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Problem 28401

Solve the compound inequality: $3 \leq \frac{1}{4} x + 4 < 5$ .

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Problem 28402

Calculate the value of \tan \left(\frac{-9 \pi}{4}\right)-\cos \left(\frac{-9 \pi}{4}\right} without a calculator.

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Problem 28403

Evaluate the limit: $\lim _{x \rightarrow 0} \frac{7 \sin (3 x)}{3 x}$ .

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Problem 28404

Find the exact value of $\cos ^{-1}\left[\cos \left(\frac{\pi}{10}\right)\right]$ .

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Problem 28405

Find the limit as $x$ approaches 0: $\lim _{x \rightarrow 0} \frac{7 \sin (3 x)}{3 x}$ .

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Problem 28406

Calculate \tan \left(\frac{-9 \pi}{4}\right) - \cos \left(\frac{-9 \pi}{4}\right} without a calculator.

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Problem 28407

Evaluate the limit: $\lim_{x \to 0} \frac{-3x + 1 - \cos(x)}{2x}$

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Problem 28408

Calculate Jason's GPA based on his 15 credit hours and grades: A (5), A (4), B (3), B (2), B (1) using $A=4, B=3$ .

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Problem 28409

Find the exact value of $\tan^{-1}(-1)$ .

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Problem 28410

Solve the system by the elimination method. $\begin{array}{l} 6 x=3 y-2 \\ 5 x+1=7 y \end{array}$

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Problem 28411

「济] Type the integer that makes the following addition sentence true: $2+\square=90$ Submit

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Problem 28412

View Policies
Current Attempt in Progress Assume the sample is a random sample from a distribution that is reasonably normally distributed and we are doing inference for a sample mean. Find endpoints of a t-distribution with $1 \%$ beyond them in each tail if the sample has size $n=18$ .
Round your answer to three decimal places. endpoints $= \pm$ $\square$

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Problem 28413

Given the reference angle $t=90^{\circ}$ find the measure of $\theta$ in standard position if its terminal side lies in: (a) quadrant I: $\square$ (b) quadrant II: $\square$ (c) quadrant III: $\square$ (d) quadrant IV: $\square$ Check Answer

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Problem 28414

Solve the given equation and find all solutions, in degrees, that lie in the interval $\left[0^{\circ}, 360^{\circ}\right]$ .
Do not enter the degree sign. If there is more than one angle, separate them by a comma. $\cos (\theta)=0.2$ $\theta=$ $\square$ (Rounded to the nearest whole degree) Check Answer

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Problem 28415

A hypothesis test is to be performed. Determine the null and alternate hypotheses. In 1990, the average duration of long-distance telephone calls originating in one town was 6.5 minutes. A long-distance telephone company wants to perform a hypothesis test to determine whether the average duration of long-distance phone calls has changed from the 1990 mean of 6.5 minutes. $\begin{array}{l} H_{0}: \mu=6.5 \text { minutes } \\ H_{1}: \mu<6.5 \text { minutes } \\ H_{0}: \mu=6.5 \text { minutes } \\ H_{1}: \mu>6.5 \text { minutes } \\ H_{0}: \mu \neq 6.5 \text { minutes } \\ H_{1}: \mu=6.5 \text { minutes } \\ H_{0}: \mu=6.5 \text { minutes } \\ H_{1}: \mu \neq 6.5 \text { minutes } \end{array}$

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Problem 28416

Find $\sin 2 x, \cos 2 x$ , and $\tan 2 x$ if $\sin x=\frac{1}{\sqrt{10}}$ and $x$ terminates in quadrant II. $\sin 2 x=$ $\square$ $\cos 2 x=$ $\square$

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Problem 28417

Exercise 3.9
4. A merchant made a profit of $17 \%$ by selling goods for Birr 175.50 . How much was the original price of the goods?
2. A trader bought a TV set for Birr 2000 and sold it at a loss of $5.5 \%$ . What was the selling price?
3. If a company's profit was Birr 1.4 billion in 2010 and Birr 1.8 billion in 2011. What percent of the 2010 profit the company obtained in 2011?
4. A Shopkeeper M sells some goods to N and makes a profit of $15 \%$ . N resells to P at a loss of $5 \%$ . If P pays Birr 13.11, how much did M pay for the goods? S. A profit of $24 \%$ was made when a book was sold for Birr 34.10 ; find the selling price that would have given a profit of $28 \%$ .
6. $\sqrt{ }$ A shoe factory produces 800 pairs of shoes a day. Due to material shortage, the factory produced only 240 pairs of shoes a day. Calculate the percent decrease in shoe production.

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Problem 28418

3 8 points
In units of $h R$ , what is the amount of energy associated with the transition from $n=4$ to $n=1$ in the hydrogen emission spectrum? ( h is Planck's constant and $R=3.3 \times 10^{15} \mathrm{~Hz}$ in the Rydberg equation, although you don't need to use these numbers in this problem.) $\frac{1}{16} h R$ $\frac{3}{4} h R$ $\frac{1}{4} h R$ $\frac{15}{16} h R$ 4 8 points

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Problem 28419

Straight-Line Depreciation Equipment acquired at the beginning of the year at a cost of $\$ 470,000$ has an estimated residual value of $\$ 62,000$ and an estimated useful life of five years. Determine the following. a. The depreciable cost b. The straight-line rate $\square$ $\square$ \% c. The annual straight-line depreciation $\square$

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Problem 28420

Question 4 $0 / 1$ pt $3 \rightleftarrows 19$ Details Next
How much money is in an account after 5 years if $\$ 3000$ is invested at $2 \%$ interest compounded: A) monthly? $\square$ B) weekly? $\square$ C) continuously? $\square$
Submit Question

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Problem 28421

14. (2 points) Suppose that $f$ is a continuous function and that $\int_{-1}^{1} f(x) d x=\pi$ . What is the value of $\int_{0}^{\pi} f(\cos (x)) \sin (x) d x ?$ A. 0 B. $-\pi$ C. $\pi$ D. $2 \pi$ E. The integral is undefined

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Problem 28422

Units-of-Activity Depreciation A truck acquired at a cost of $\$ 202,800$ has an estimated residual value of $\$ 18,000$ , has an estimated useful life of 440,000 miles, and was driven 113,000 miles during the year. Determine the following. If required, round your answer for the depreciation rate to 2 decimal places. a. The depreciable cost b. The depreciation rate c. The units-of-activity depreciation for the year $\square$ \\square $per mile$ \square$

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Problem 28423

Units-of-Activity Depreciation
A tractor acquired at a cost of $\$ 678,000$ has an estimated residual value of $\$ 48,000$ , has an estimated useful life of 45,000 hours, and was operated 3,330 hours during the year. Determine the following. a. The depreciable cost b. The depreciation rate $\square$ \\square $per hour c. The units-of-activity depreciation for the year$ \square$

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Problem 28424

Revision of Depreciation Equipment with a cost of $\$ 304,000$ has an estimated residual value of $\$ 41,600$ , has an estimated useful life of 16 years, and is depreciated by the straight-line method. a. Determine the amount of the annual depreciation. \\square $b. Determine the book value at the end of the tenth year of use.$ \square $c. Assuming that at the start of the eleventh year the remaining life is estimated to be eight years and the residual value is estimated to be$ \ $16,800$ , determine the depreciation expense for each of the remaining eight years. 5 $\square$

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Problem 28425

Question 12 (1 point)
Which of the following would cause an increase in the supply of a product at a given price?
a reduction in the cost of resources to produce the product an increase in the cost of resources to produce the product an increase in the price of the product a decrease in the cost of producing a substitute product

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Problem 28426

$7 / 32$ A line is perpendicular to $\mathrm{y}=2 \mathrm{x}-7$ . What is the slope of this line? $-1 / 2$ $-2$ 2 $1 / 2$

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Problem 28427

Let $f(x)=\left(3 x^{2}+5 x+7\right)^{6}$ $f^{\prime}(x)=$

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Problem 28428

Dimethyl ether, a useful organic solvent, is prepared in two steps. In the first step, carbon dioxide and hydrogen react to form 'methanol and water: $\mathrm{CO}_{2}(g)+3 \mathrm{H}_{2}(g) \rightarrow \mathrm{CH}_{3} \mathrm{OH}(I)+\mathrm{H}_{2} \mathrm{O}(I) \quad \Delta H=-131 . \mathrm{kJ}$
In the second step, methanol reacts to form dimethyl ether and water: $2 \mathrm{CH}_{3} \mathrm{OH}(I) \rightarrow \mathrm{CH}_{3} \mathrm{OCH}_{3}(g)+\mathrm{H}_{2} \mathrm{O}(I) \quad \Delta H=8 . \mathrm{kJ}$
Calculate the net change in enthalpy for the formation of one mole of dimethyl ether from carbon dioxide and hydrogen from these reactions. Round your answer to the nearest kJ. $\square$ kJ

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Problem 28429

To estimate the height of a building, two students find the angle of elevation from a point (at ground level) down the street from the building to the top of the building is $36^{\circ}$ .
From a point that is 200 feet closer to the building, the angle of elevation (at ground level) to the top of the building is $53^{\circ}$ . If we assume that the street is level, use this information to estimate the height of the building. Give your answer to the nearest foot. Put units in the second box.
The height of the building is

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Problem 28430

Which of the following items is the most demand elastic?
Residential land
Restaurant meals
Motor Vehicles Shoes

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Problem 28431

Capital Expenditure and Depreciation; Parital-Year Depreciation Willow Creek Company purchased and installed carpet in its new general offices on April 30 for a total cost of $\$ 18,000$ . The carpet is estimated to have a 15 -year useful life and no residual value. a. Prepare the joumal entry necessary for recording the purchase of the new carpet, If an amount box does not require an entry, leave it blank.
Apr. 30 Carpet $\checkmark$ $\square$ $\square$ Cash $\square$ $\square$
Fuoluck
Phack My Work calculations.
Dec. 31 $\square$ $\square$ $\square$ Accumulated Depreciation-Carpet $\square$ $\square$

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Problem 28432

Question 21 (1 point) Marginal utility is the:
change in total utility realized by consuming one more unit of a good. change in total utility realized by consuming another unit of a good divided by the change in the price of that good. total utility associated with the consumption of a certain number of units of a good divided by the number of units consumed. sensitivity of consumer purchases of a good to changes in the price of that good. uestion 22 (1 point)

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Problem 28433

Question Translate and solve: The difference of $f$ and $\frac{1}{3}$ is $\frac{2}{3}$ .

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Problem 28434

Save \& Exit Certify Lesson: Chapter 7 Review
Question 14 of 18, Step 1 of 1 21/27 Correc
Solve the following quadratic equation using the quadratic formula. $-x^{2}=8$
Answer

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Problem 28435

Solve for all values of $x$ : $\frac{1}{x-1}-2=\frac{x}{x-1}$

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Problem 28436

Using algebraic methods, find the solution sets for the following. Give your solutions in interval notation. (a) $6 x^{2} \geq 24 x-18$ (b) $\frac{3}{x+1}<15$

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Problem 28437

A triangle has sides with lengths of 74 yards, 48 yards, and 55 yards. Is it a right triangle? yes no
Submit

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Problem 28438

Sale of Equipment
Equipment was acquired at the beginning of the year at a cost of $\$ 537,500$ . The equipment was depreciated using the straight-line method based on an estimated useful life of 9 years and an estimated residual value of $\$ 40,995$ . a. What was the depreciation for the first year? Round your answer to the nearest cent. \\square $b. Using the rounded amount from Part a in your computation, determine the gain or loss on the sale of the equipment, assuming it was sold at the end of year eight for$ \ $88,967$ . Round your answer to the nearest cent. Enter your answer as a positive amount. $\$$ $\square$ Loss Fooduack Chack My Wark c. Journalize the entry to record the sale. If an amount box does not require an entry, leave it blank. Round your answers to the nearest cent.
Cash $\square$ Accumulated Depreciation-Equipment $\sim$ $\square$ $\square$ Loss on Sale of Equipment $\square$ $\square$ Equipment $\square$ $\square$ $\square$ $\square$

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Problem 28439

Use a linear approximation to estimate the following quantity. Choose a value of a that produces a small error and does not require the use of a calculator. $\frac{1}{\sqrt[3]{711}}$
The linear approximation of $\frac{1}{\sqrt[3]{711}}$ is $\square$ . (Type an exact answer.)

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Problem 28440

- (c): Your answer is incorrect.
Suppose $Z$ follows the standard normal distribution. Calculate the following probabilities using the ALEKS calculator. Round your responses to at least three decimal places. (a) $P(Z>-1.40)=0.919$ (b) $P(Z \leq-0.56)=0.288$ (c) $P(0.33<Z<1.94)=0.356$

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Problem 28441

8. Which of the following equations is perpendicular to the line $2 x+3 y=6$ ? a. $y=-\frac{1}{2} x+4$ c. $y=-\frac{3}{2} x+1$ b. $y=\frac{3}{2} x-1$ d. $y=2 x+3$

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Problem 28442

Solve the triangle if $\angle A=113^{\circ}, a=31, b=18$ . If no answer exists, enter DNE for all answers. $\angle B$ is $\square$ degrees $\angle C$ is $\square$ degrees $c=$ $\square$ Assume $\angle \boldsymbol{A}$ is opposite side $\boldsymbol{a}, \angle \boldsymbol{B}$ is opposite side $\boldsymbol{b}$ , and $\angle \boldsymbol{C}$ is opposite side $\boldsymbol{c}$ . Round all answers to 2 decimal places as necessary. Question Help: Message instructor

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Problem 28443

25. What is the rate of change for the furction $f(x)=2(4)^{*}$ over the interval $[1,3]$ ? a) 32 b) 128 c) 60 d) 120

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Problem 28444

Test Scores Which is a better relative position, a score of 80 on a geography test that has a mean of 71 and a standard deviation of 6.5 , or a score of 65 on an accounting test that has a mean of 55 and a standard deviation of 2.5?
Part: $0 / 2$ $\square$
Part 1 of 2
Find the corresponding $z$ score for each test score. Round $z$ scores to two decimal places. Geography test $z=$ $\square$ Accounting test $z=$ $\square$

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Problem 28445

from 1 to 8 Question 40 of 40 This test: 40 point(s) possible This question: 1 point(s) possible Submit test
Consider a drug that is used to help prevent blood clots in certain patients. In clinical trials, among 5829 patients treated with this drug, 151 developed the adverse reaction of nausea. Use a 0.01 significance level to test the claim that $3 \%$ of users develop nausea. Does nausea appear to be a problematic adverse reaction?
Identify the null and alternative hypotheses for this test. Choose the correct answer below. A. $H_{0}: p=0.03$ $H_{1}: p>0.03$ B. $H_{0}: p=0.03$ $H_{1}: p<0.03$ C. $H_{0}: p=0.03$ $H_{1}: p \neq 0.03$ D. $H_{0}: p \neq 0.03$ $H_{1}: p=0.03$
Identify the test statistic for this hypothesis test. The test statistic for this hypothesis test is $\square$ (Round to two decimal places as needed.) Identify the P -value for this hypothesis test. The P -value for this hypothesis test is $\square$ (Round to three decimal places as needed.)

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Problem 28446

Homework
Quizzes \& Tests Study Plan Gradebook eText Chapter Contents > Skills for Success
Tools for Success
Multimedia Library Learning Guide
Purchase Options
Document Sharing Homework: HW 4.1-4.2-4.3 Question 20, 4.3.VQ-3 HW Score: 56\%, 14 of 25 Help Part 1 of 4 points Points: 0 of 1 Save
Question list Question 19 Question 20 Question 21 Question 22 Question 23 Question 24 Question 25
Watch the video and then solve the problem given below. Click here to watch the video. - The angle $t$ is an acute angle and $\boldsymbol{\operatorname { s i n }} t$ and $\boldsymbol{\operatorname { c o s }} t$ are given. Use identities to find $\tan t, \csc t, \sec t$ , and $\cot t$ . Where necessary, rationalize denominators. $\sin t=\frac{1}{6}, \cos t=\frac{\sqrt{35}}{6}$ $\boldsymbol{\operatorname { t a n }} \mathrm{t}=$ $\square$ (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression. Rationalize all denominators.) Incorrect: 0

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Problem 28447

Question 10 10 pts
The complex roots of the graph above are $x \pm y i$ .
What is the value of $x$ ? $\square$ 2 $\square$ What is the value of $y$ ?

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Problem 28448

Give the slope between the points $(-4,-2) \quad(5,-13)$ OK

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Problem 28449

The graph shows speed $v$ as a function of time $t$ for a 0.20 kg object traveling along a straight, horizontal track. The change in the kinetic energy of the object over the time interval shown in the graph is most nearly

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Problem 28450

An ice cream cone with a 7 -centimeter diameter and 9-centimeter depth is filled exactly level with the top of the con Approximate how much ice cream (in cubic centimeters) is in the cone. Use $\frac{22}{7}$ for $\pi$ .
The cone contains about $\square$ cubic centimeters of ice cream. (Simplify your answer. Type a whole number, fraction, or mixed number.)

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Problem 28451

Find all exact solutions on the interval $[0,2 \pi)$ . If there is more than one answer, enter them as a comma separated list. $\begin{array}{l} 2 \cos ^{2}(t)+\cos (t)=1 \\ t=\square \text { help (angles). } \end{array}$

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Problem 28452

Find the height of the tree shown to the right.

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Problem 28453

37 What is the coefficient of the $2^{\text {nd }}$ term in the expansion of $(4 x+y)^{4}$ ? (A) 256 (B) 384 (C) 512 (D) 768

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Problem 28454

A point charge of $2 \mu \mathrm{C}$ is placed at the origin. There is an external uniform field $\mathbf{E}=600 \mathrm{iN} / \mathrm{C}$ . What is the net force on a $6 \mu \mathrm{C}$ charge placed at $(3 \mathrm{~m}, 3 \mathrm{~m})$ ? $7.843 \cdot 10^{-3} \mathrm{j}+4.243 \cdot 10^{-3} \mathrm{jN}$
Note: You can earn partial credit on this problem. Show: $\square$ Correct Answers

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Problem 28455

Solve for all values of $x$ : $-1-\frac{x}{x-1}=-\frac{1}{x-1}$
Answer Attempt 1 out of 2

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Problem 28456

19. Each point lies on the terminal arm angle $\theta$ in standard position. Determ in the specified domain. Round answ the nearest hundredth of a unit. a) $\mathrm{A}(-3,4), 0<\theta \leq 4 \pi$ b) $\mathrm{B}(5,-1),-360^{\circ} \leq \theta<360^{\circ}$ c) $\mathrm{C}(-2,-3),-\frac{3 \pi}{2}<\theta<\frac{7 \pi}{2}$

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Problem 28457

Progress: Question ID: 109878
The movement of the progress bar moy be uneven because questions can be worth more or less (including zero) depenaling on your answer. A camper attaches a rope to the top of her tent to give it more support. She stakes the rope, which is 8 ft long, to the ground at a distance of 6 feet from the middle of her tent. About how tall is her tent? 4.5 feet 6 feet 5.3 feet

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Problem 28458

What is the axis of symmetry of the parabola $y=5 x^{2}+3 ?$ $\square$
Save answer

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Problem 28459

What is the value of $y$ ? $\begin{array}{l} 9 y=27 \\ \frac{9 y}{9}=\frac{27}{9} \end{array}$ $y=$

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Problem 28460

Probability Outcomes and event probability Almas
A number cube is rolled three times. An outcome is represented by a string of the sort OEE (meaning an odd number on Español the first roll, an even number on the second roll, and an even number on the third roll). The 8 outcomes are listed in the table below. Note that each outcome has the same probability.
For each of the three events in the table, check the outcome(s) that are contained in the event. Then, in the last column, enter the probability of the event. \begin{tabular}{|c|c|c|c|c|c|c|c|c|c|} \hline \multirow[t]{2}{}{} & \multicolumn{8}{|c|}{Outcomes} & \multirow{2}{}{Probability} \\ \hline & EOO & EEE & OEE & EEO & OEO & EOE & 000 & OOE & \\ \hline \begin{tabular}{l} Event \\ A: An \\ even \\ number \\ on the \\ first roll \\ or the \\ third roll \\ (or \\ both) \end{tabular} & 0 & 0 & ○ & ○ & 0 & ○ & 0 & 0 & — \\ \hline \begin{tabular}{l} Event \\ B: Two or more odd numbers \end{tabular} & 0 & 0 & ○ & 0 & 0 & 0 & 0 & $v$ & — \\ \hline \begin{tabular}{l} Event \\ C: No \\ odd \\ numbers \\ on the \\ first two \\ rolls \end{tabular} & 0 & 0 & ○ & ○ & ○ & ○ & 0 & 0 & $\square$ \\ \hline \end{tabular}

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Problem 28461

Question Find the $y$ -intercept of the following function. $f(x)=12 x^{2}-4 x-21$
Give your answer as an ordered pair.

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Problem 28462

Question Find the $x$ -intercept(s) of the following function. $f(x)=12 x^{2}-4 x-21$
Select all correct answers.

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Problem 28463

The smallest natural number which is the solution of the inequality $1 \leq|x-1| \leq 3$ is $\qquad$
Single-digit integer (-9 to 9)

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Problem 28464

Question Based on the degree of the polynomial $f(x)$ given below, what is the maximum number of turning points the graph of $f(x)$ can have? $f(x)=\left(x^{2}-7\right)\left(x^{2}-6\right)\left(x^{2}+4\right)$

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Problem 28465

एउटा मोबाइलको क्रय मूल्य रु. 21000 र अङ्कित मूल्य क्रय मूल्यभन्दा $30 \%$ ले बढी छ । The cost price of a mobile is Rs. 21000 and the marked price is $30 \%$ above the cost price. (a) नाफा प्रतिशत निकाल्ने सूत्र लेखनुहोस् । Write the formula to find profit percent. [1K] $\text { [Ans: Profit\% }=\frac{\text { Profit }}{C P} \times 100 \% \text { ] }$ (b) अङुकित मूल्य पत्ता लगाउनुहोस् । Find the marked price. [2U] [Ans: Rs. 27300] (c) उक्त मोबाइल रु. 24024 मा बेचिएको भु छुट रकम पत्ता लगाउनुहोस् I If mobile phone was sold for Rs. 24024, find the discount amount. [1A] [Ans: Rs. 3276]

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Problem 28466

14
Uung the Venn Dragram below, the value of P(AUC) is?
a None of chorices
a 0.73 C 0.88 d. 032 e. $a_{62}$

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Problem 28467

Time
It mo evente are independent the special rulle of multiplication is used to fin Probability of their joint occurrence (2 maikk) 0 a. $P(A$ ind $B)=P(A) \times P(B \mid A)$ b. $P(A \cup B)=P(A) \times P(B)-P(A \cap B)$ c None of the options are correct d $P(A$ and $B)=P(A) \times P(B)$

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Problem 28468

burvinin 7 Morinet thentrod Time left 0.45 .55 Plag queritan a 0992
b. None of the choices
c 0892 d 0.012

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Problem 28469

The remainder obtained when $17^{201}$ is divided by 18 , is :

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Problem 28470

Lani asks 24 students in her class how they travel to school and displays her results in a pictogram. What fraction of students cycle to school? Give your answer in its simplest form.
How students travel to school \begin{tabular}{|c|c|c|} \hline Bus & 수수 & \\ \hline Car & 郘 & Key \\ \hline Walk & & R ${ }_{\text {P }}=2$ students \\ \hline Cycle & หํ & \\ \hline \end{tabular}

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Problem 28471

James writes down the number 60 . He wants to multiply it by one of the fractions below to get the biggest answer possible. Which of the three fractions below should he use? What is the answer to this multiplication? 60 $\square$ $=$ $\square$ $\frac{3}{5} \quad \frac{1}{2} \quad \frac{7}{10}$

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Problem 28472

Meiosis is the process through which sex cells, or egg and sperm cells, are produced in multicellular organisms. This process is divided into two phases-meiosis I and meiosis II.
The picture below shows one stage that occurs during meiosis I.
What is the name of this phase and what occurs during this phase? A. Anaphase I; during this phase, homologous chromosome pairs separate, but sister chromatids remain attached to each other. B. Metaphase II; during this phase, homologous chromosomes line up in the middle of the cell. C. Anaphase II; during this phase, homologous chromosomes separate, and sister chromatids are pulled apart. D. Metaphase I; during this phase, homologous chromosome pairs line up in the middle of the cell.

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Problem 28473

Work out $\frac{1}{7}+\frac{2}{3}$

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Problem 28474

Calculate $1 \frac{2}{7}+2 \frac{2}{3}$ as a mixed number

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Problem 28475

Find the inverse Laplace transform of $\frac{s}{(s+1)^{2}}$ a. $\frac{t^{4}}{4} e^{-t}$ b. $4 t^{3} e^{t}$ c. $(1-t) e^{-t}$ d. $4 t^{4} e^{t}$

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Problem 28476

Find the Laplace transform of $t f^{\prime \prime}(t)$ . a. $\mathcal{L}\left\{t f^{\prime \prime}(t)\right\}=-f(0)-s^{2} F^{\prime}(s)+2 s F(s)$ b. $\mathcal{L}\left[t f^{\prime \prime}(t)\right]=-2 s F(s)-s^{2} F^{\prime}(s)+f(0)+f^{\prime}(0)$ c. $\mathcal{L}\left\{t f^{\prime \prime}(t)\right\}=f(0)-s^{2} F^{\prime}(s)-2 s F(s)$ d. $\mathcal{L}\left\{t f^{\prime \prime}(t)\right\}=\frac{2 s F(s)-2 f(0)-f^{\prime}(0)}{s^{3}}$

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Problem 28477

Find the inverse Laplace transform of $F(s)=\ln \left(1+\frac{1}{s^{2}}\right)$ a. $\frac{2-2 \cos (t)}{t}$ b. $\frac{\sin (t)}{t}$ C. $\frac{\cos (t)}{t}$ d. $\frac{2-2 \sin (t)}{t}$

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Problem 28478

Find the Laplace transform of $t f^{\prime \prime}(t)$ . a. $\quad \mathcal{L}\left\{t f^{\prime \prime}(t)\right\}=\frac{2 s F(s)-2 f(0)-f^{\prime}(0)}{s^{3}}$ b. $\quad \mathcal{L}\left[t f^{\prime \prime}(t)\right]=-2 s F(s)-s^{2} F^{\prime}(s)+f(0)+f^{\prime}(0)$ c. $\mathcal{L}\left\{t f^{\prime \prime}(t)\right\}=-f(0)-s^{2} F^{\prime}(s)+2 s F(s)$ d. $\mathcal{L}\left\{t f^{\prime \prime}(t)\right\}=f(0)-s^{2} F^{\prime}(s)-2 s F(s)$
Clear my choice

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Problem 28479

За январь-март показатель повысился на 17\%, а за апрель-июнь на 3\%. Рассчитать среднемесячный прирост за I полугодие.

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Problem 28480

Descriptive Statistics Finding a percentage of a total amount in a circle graph 3/5
The circle graph shows how the annual budget for a company is divided by department. If the total annual budget is $\$ 10,000,000$ , what amount is budgeted for Research? \\square\square$

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Problem 28481

e) $\int_{2}^{4} \frac{\ln x}{x} d x$

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Problem 28482

- Higher Level
Ilowing simultaneous equations for $x, y, w \in \mathbb{Z}$ : $\begin{aligned} x+2 y & =143 \\ y+3 w & =-74 \\ 4 x+5 w & =4 \end{aligned}$

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Problem 28483

f) $\int_{1}^{3} x^{2} \ln x d x$

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Problem 28484

The graph of linear function $f$ passes through the point $(1,-9)$ and has a slope of -3 .
What is the zero of $f$ ?
F 2 G 4 H -6 J -2

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Problem 28485

Question 9
Solve the proportion. If necessary, round to the nearest hundredth. $\begin{array}{l} \frac{18}{26}=\frac{3}{g+4} \\ g= \end{array}$

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Problem 28486

Question Watch $V$
Solve the following quadratic equation for all values of $x$ in simplest form. $(x-6)^{2}-23=-12$
Answer Attempt 1 out of 2

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Problem 28487

Question Watch Video Show Examples
If using the method of completing the square to solve the quadratic equation $x^{2}+8 x+37=0$ , which number would have to be added to "complete the square"? Answer Attempt 1 out of 2

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Problem 28488

Solve: $y^{(v i)}+y^{\prime \prime \prime}=0$

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Problem 28489

Solve the IVP: $y^{\prime \prime}-2 y^{\prime}+2 y=x+1, y(0)=3, y^{\prime}(0)=1$

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Problem 28490

Solve the IVP: $y^{\prime \prime}+y=\cos x, y(0)=1, y^{\prime}(0)=-1$
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Problem 28491

Question- Use Newton's method to find the maximum of: $f(x)=x^{3}-6 x^{2}+4 x$ Jse an initial guess: $x_{0}=0$ . The first iteration gives the following value for $x_{1}$ : a. 0.25 b. -0.3333 c. 0.8333 d. 0.3333

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Problem 28492

Find the range. Write in interval notation. $g(z)=\sqrt{4 z+6}-1$
Type to search symbols

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Problem 28493

57. $-5>p-\frac{1}{5}$

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Problem 28494

$\text{جد قيم } \, x \, \text{التي تجعل الزاوية بين المتجهين منفرجة}$

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Problem 28495

30 shares of stock were purchased for $\$ 35$ per share with a $\$ 6$ commission. What is the total cost of this investment?
Total Cost = \ $[$ \square$
Total Cost $=$ number of shares $\cdot$ price per share + commission ASUS Vivobook

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Problem 28496

Use the Product Rule or the Quotient Rule to find the derivative of the function. $\begin{array}{l} f(t)=7 t^{5} \cos (t) \\ f^{\prime}(t)=\square \end{array}$ Need Help? Read It Show My Work

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Problem 28497

(1) (1,0 ponto) Use a Regra de L'Hôspital para calcular os seguintes limites, se for necessário: (a) $\lim _{x \rightarrow+\infty} \frac{\ln x}{\sqrt[3]{x}}$ (b) $\lim _{x \rightarrow 0} \frac{x}{e^{x}+\cos x}$ (c) $\lim _{x \rightarrow 0^{+}} \operatorname{sen} x \ln x$

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Problem 28498

The aromatic hydrocarbon cymene $\left(\mathrm{C}_{10} \mathrm{H}_{14}\right)$ is found in nearly 100 spices and fragrances including coriander, anise, and thyme. The complete combustion of 1.608 g of cymene in a bomb calorimeter ( $C_{\text {calorimeter }}=3.640 \mathrm{~kJ} /{ }^{\circ} \mathrm{C}$ ) produced an increase in temperature of $19.35^{\circ} \mathrm{C}$ . Calculate the molar enthalpy of combustion of cymene ( $\Delta H_{\text {comb }}$ ) in kilojoules per mole of cymene.

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Problem 28499

15) The LCM of $29^{9}$ and $29^{11}$ is a) $29^{9}$ b) $29^{11}$ c) $29^{20}$ d) $29^{99}$ e) 29

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Problem 28500

1. In the computer lab, there are 14 desktops and $16 \$$ laptops. Approximately what percent of the computers are laptops?
2. Three of the thirty computers are out of service. What percent of the computers are operating properly?
3. Wu saved $\$ 75$ towards a new $\$ 250$ mountain bike. What percent of the total cost of the bike has Wu saved?
4. A student was marked tardy five different times in a 40 day period. What percent of the time was the student tardy?
5. Mr. McCoy receives a $\$ 80.00$ bill for his meal. He leaves $\$ 14.40$ as a tip. What percent tip did he leave?
6. A grocery delivery service charges a $\$ 10$ delivery fee per order. If the order is \$159, then what percent is the delivery fee?

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Solve

Problem 28401

Solve the compound inequality: 3≤14x+4<53 \leq \frac{1}{4} x + 4 < 53≤41​x+4<5.

Problem 28402

Calculate the value of \tan \left(\frac{-9 \pi}{4}\right)-\cos \left(\frac{-9 \pi}{4}\right} without a calculator.

Problem 28403

Evaluate the limit: lim⁡x→07sin⁡(3x)3x\lim _{x \rightarrow 0} \frac{7 \sin (3 x)}{3 x}limx→0​3x7sin(3x)​.

Problem 28404

Find the exact value of cos⁡−1[cos⁡(π10)]\cos ^{-1}\left[\cos \left(\frac{\pi}{10}\right)\right]cos−1[cos(10π​)].

Problem 28405

Find the limit as xxx approaches 0: lim⁡x→07sin⁡(3x)3x\lim _{x \rightarrow 0} \frac{7 \sin (3 x)}{3 x}limx→0​3x7sin(3x)​.

Problem 28406

Calculate \tan \left(\frac{-9 \pi}{4}\right) - \cos \left(\frac{-9 \pi}{4}\right} without a calculator.

Problem 28407

Evaluate the limit: lim⁡x→0−3x+1−cos⁡(x)2x\lim_{x \to 0} \frac{-3x + 1 - \cos(x)}{2x}limx→0​2x−3x+1−cos(x)​

Problem 28408

Calculate Jason's GPA based on his 15 credit hours and grades: A (5), A (4), B (3), B (2), B (1) using A=4,B=3A=4, B=3A=4,B=3.

Problem 28409

Find the exact value of tan⁡−1(−1)\tan^{-1}(-1)tan−1(−1).

Problem 28410

Solve the system by the elimination method. 6x=3y−25x+1=7y\begin{array}{l} 6 x=3 y-2 \\ 5 x+1=7 y \end{array}6x=3y−25x+1=7y​

Problem 28411

「济] Type the integer that makes the following addition sentence true: 2+□=902+\square=902+□=90 Submit

Problem 28412

Problem 28413

Given the reference angle t=90∘t=90^{\circ}t=90∘ find the measure of θ\thetaθ in standard position if its terminal side lies in: (a) quadrant I: □\square□ (b) quadrant II: □\square□ (c) quadrant III: □\square□ (d) quadrant IV: □\square□ Check Answer

Problem 28414

Problem 28415

Problem 28416

Find sin⁡2x,cos⁡2x\sin 2 x, \cos 2 xsin2x,cos2x, and tan⁡2x\tan 2 xtan2x if sin⁡x=110\sin x=\frac{1}{\sqrt{10}}sinx=10​1​ and xxx terminates in quadrant II. sin⁡2x=\sin 2 x=sin2x= □\square□ cos⁡2x=\cos 2 x=cos2x= □\square□

Problem 28417

Problem 28418

Problem 28419

Problem 28420

Question 4 0/10 / 10/1 pt 3⇄193 \rightleftarrows 193⇄19 Details NextHow much money is in an account after 5 years if $3000\$ 3000$3000 is invested at 2%2 \%2% interest compounded: A) monthly? □\square□ B) weekly? □\square□ C) continuously? □\square□Submit Question

Problem 28421

Problem 28422

Problem 28423

Problem 28424

Problem 28425

Problem 28426

7/327 / 327/32 A line is perpendicular to y=2x−7\mathrm{y}=2 \mathrm{x}-7y=2x−7. What is the slope of this line? −1/2-1 / 2−1/2 −2-2−2 2 1/21 / 21/2

Problem 28427

Let f(x)=(3x2+5x+7)6f(x)=\left(3 x^{2}+5 x+7\right)^{6}f(x)=(3x2+5x+7)6 f′(x)=f^{\prime}(x)=f′(x)=

Problem 28428

Problem 28429

Problem 28430

Which of the following items is the most demand elastic? Residential landRestaurant mealsMotor Vehicles Shoes

Problem 28431

Problem 28432

Problem 28433

Question Translate and solve: The difference of fff and 13\frac{1}{3}31​ is 23\frac{2}{3}32​.

Problem 28434

Save \& Exit Certify Lesson: Chapter 7 ReviewQuestion 14 of 18, Step 1 of 1 21/27 CorrecSolve the following quadratic equation using the quadratic formula. −x2=8-x^{2}=8−x2=8Answer

Problem 28435

Solve for all values of xxx : 1x−1−2=xx−1\frac{1}{x-1}-2=\frac{x}{x-1}x−11​−2=x−1x​

Problem 28436

Using algebraic methods, find the solution sets for the following. Give your solutions in interval notation. (a) 6x2≥24x−186 x^{2} \geq 24 x-186x2≥24x−18 (b) 3x+1<15\frac{3}{x+1}<15x+13​<15

Problem 28437

A triangle has sides with lengths of 74 yards, 48 yards, and 55 yards. Is it a right triangle? yes noSubmit

Problem 28438

Problem 28439

Problem 28440

Problem 28441

8. Which of the following equations is perpendicular to the line 2x+3y=62 x+3 y=62x+3y=6 ? a. y=−12x+4y=-\frac{1}{2} x+4y=−21​x+4 c. y=−32x+1y=-\frac{3}{2} x+1y=−23​x+1 b. y=32x−1y=\frac{3}{2} x-1y=23​x−1 d. y=2x+3y=2 x+3y=2x+3

Problem 28442

Problem 28443

25. What is the rate of change for the furction f(x)=2(4)∗f(x)=2(4)^{*}f(x)=2(4)∗ over the interval [1,3][1,3][1,3] ? a) 32 b) 128 c) 60 d) 120

Problem 28444

Problem 28445

Problem 28446

Problem 28447

Question 10 10 ptsThe complex roots of the graph above are x±yix \pm y ix±yi.What is the value of xxx ? □\square□ 2 □\square□ What is the value of yyy ?

Problem 28448

Give the slope between the points (−4,−2)(5,−13)(-4,-2) \quad(5,-13)(−4,−2)(5,−13) OK

Problem 28449

The graph shows speed vvv as a function of time ttt for a 0.20 kg object traveling along a straight, horizontal track. The change in the kinetic energy of the object over the time interval shown in the graph is most nearly

Problem 28450

Problem 28451

Problem 28452

Solve the compound inequality: $3 \leq \frac{1}{4} x + 4 < 5$ .

Evaluate the limit: $\lim _{x \rightarrow 0} \frac{7 \sin (3 x)}{3 x}$ .

Find the exact value of $\cos ^{-1}\left[\cos \left(\frac{\pi}{10}\right)\right]$ .

Find the limit as $x$ approaches 0: $\lim _{x \rightarrow 0} \frac{7 \sin (3 x)}{3 x}$ .

Evaluate the limit: $\lim_{x \to 0} \frac{-3x + 1 - \cos(x)}{2x}$

Calculate Jason's GPA based on his 15 credit hours and grades: A (5), A (4), B (3), B (2), B (1) using $A=4, B=3$ .

Find the exact value of $\tan^{-1}(-1)$ .

Solve the system by the elimination method. $\begin{array}{l} 6 x=3 y-2 \\ 5 x+1=7 y \end{array}$

「济] Type the integer that makes the following addition sentence true: $2+\square=90$ Submit

Given the reference angle $t=90^{\circ}$ find the measure of $\theta$ in standard position if its terminal side lies in: (a) quadrant I: $\square$ (b) quadrant II: $\square$ (c) quadrant III: $\square$ (d) quadrant IV: $\square$ Check Answer

Find $\sin 2 x, \cos 2 x$ , and $\tan 2 x$ if $\sin x=\frac{1}{\sqrt{10}}$ and $x$ terminates in quadrant II. $\sin 2 x=$ $\square$ $\cos 2 x=$ $\square$

Question 4 $0 / 1$ pt $3 \rightleftarrows 19$ Details Next
How much money is in an account after 5 years if $\$ 3000$ is invested at $2 \%$ interest compounded: A) monthly? $\square$ B) weekly? $\square$ C) continuously? $\square$
Submit Question

$7 / 32$ A line is perpendicular to $\mathrm{y}=2 \mathrm{x}-7$ . What is the slope of this line? $-1 / 2$ $-2$ 2 $1 / 2$

Let $f(x)=\left(3 x^{2}+5 x+7\right)^{6}$ $f^{\prime}(x)=$

Which of the following items is the most demand elastic?
Residential land
Restaurant meals
Motor Vehicles Shoes

Question Translate and solve: The difference of $f$ and $\frac{1}{3}$ is $\frac{2}{3}$ .

Save \& Exit Certify Lesson: Chapter 7 Review
Question 14 of 18, Step 1 of 1 21/27 Correc
Solve the following quadratic equation using the quadratic formula. $-x^{2}=8$
Answer

Solve for all values of $x$ : $\frac{1}{x-1}-2=\frac{x}{x-1}$

Using algebraic methods, find the solution sets for the following. Give your solutions in interval notation. (a) $6 x^{2} \geq 24 x-18$ (b) $\frac{3}{x+1}<15$

A triangle has sides with lengths of 74 yards, 48 yards, and 55 yards. Is it a right triangle? yes no
Submit

8. Which of the following equations is perpendicular to the line $2 x+3 y=6$ ? a. $y=-\frac{1}{2} x+4$ c. $y=-\frac{3}{2} x+1$ b. $y=\frac{3}{2} x-1$ d. $y=2 x+3$

25. What is the rate of change for the furction $f(x)=2(4)^{*}$ over the interval $[1,3]$ ? a) 32 b) 128 c) 60 d) 120

Question 10 10 pts
The complex roots of the graph above are $x \pm y i$ .
What is the value of $x$ ? $\square$ 2 $\square$ What is the value of $y$ ?

Give the slope between the points $(-4,-2) \quad(5,-13)$ OK

The graph shows speed $v$ as a function of time $t$ for a 0.20 kg object traveling along a straight, horizontal track. The change in the kinetic energy of the object over the time interval shown in the graph is most nearly

37 What is the coefficient of the $2^{\text {nd }}$ term in the expansion of $(4 x+y)^{4}$ ? (A) 256 (B) 384 (C) 512 (D) 768

Solve for all values of $x$ : $-1-\frac{x}{x-1}=-\frac{1}{x-1}$
Answer Attempt 1 out of 2

What is the axis of symmetry of the parabola $y=5 x^{2}+3 ?$ $\square$
Save answer

What is the value of $y$ ? $\begin{array}{l} 9 y=27 \\ \frac{9 y}{9}=\frac{27}{9} \end{array}$ $y=$

Question Find the $y$ -intercept of the following function. $f(x)=12 x^{2}-4 x-21$
Give your answer as an ordered pair.

Question Find the $x$ -intercept(s) of the following function. $f(x)=12 x^{2}-4 x-21$
Select all correct answers.

The smallest natural number which is the solution of the inequality $1 \leq|x-1| \leq 3$ is $\qquad$
Single-digit integer (-9 to 9)

Question Based on the degree of the polynomial $f(x)$ given below, what is the maximum number of turning points the graph of $f(x)$ can have? $f(x)=\left(x^{2}-7\right)\left(x^{2}-6\right)\left(x^{2}+4\right)$

14
Uung the Venn Dragram below, the value of P(AUC) is?
a None of chorices
a 0.73 C 0.88 d. 032 e. $a_{62}$

burvinin 7 Morinet thentrod Time left 0.45 .55 Plag queritan a 0992
b. None of the choices
c 0892 d 0.012

The remainder obtained when $17^{201}$ is divided by 18 , is :

Work out $\frac{1}{7}+\frac{2}{3}$

Calculate $1 \frac{2}{7}+2 \frac{2}{3}$ as a mixed number