Equation

Problem 16501

Consider the line $5 x+2 y=7$ What is the slope of a line perpendicular to this line? What is the slope of a line parallel to this line?
Slope of a perpendicular line $\square$
Tolope of a pat alicilime

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Problem 16502

Score: 1/5 Penalty: 1 off
Question Watch Video Show Examples
Value Equations (Basic) L1
Value Inequalities (Level 1)
Value Equations (Basic) L2 ts \& Graph Absolute Value (No Table Given) $4=|-3 a+4|$
Solve for all values of $a$ in simplest form.
Answer Attempt 2 out of 2 ( $\oplus$ Additional Solution $\Theta$ Remove Solution $a=0$ $\square$ $a=$ Submit Answer Still Stuck? Log Out

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Problem 16503

Back to Content 6.07 Quiz: Similar Polygons $\triangle A B C$ is similar to $\triangle Q R S$ . Also, side $A B$ measures 50 cm , side $A C$ measures 60 cm , and side $Q S$ measures 6 cm .
What is the measure of side $Q R$ ?
Enter your answer in the box. the measure of side $Q R=$ $\square$ cm

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Problem 16504

1 Matching 2 points
The equation $5\left(\frac{1}{3}\right)^{3 x-1}=10$ is rewritten in the form $\log _{b} d=c$ . Find b, d, and c. b $\square$ $\qquad$ c $\square$ $\qquad$ d $\square$

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Problem 16505

$3 x-2=4 y+5$

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Problem 16506

5 VAT (Use with 18.5) 1 Where Hakim lives the VAT is $15 \%$ . How much must he pay for a movie that is priced at $\$ 60$ (before VAT)?
2 A dress costs \ $195.50, including 15\% VAT. What is the cost before the VAT is added? 3 A$ \ $100$ shirt was discounted $15 \%$ . VAT of $15 \%$ was added to the sale price. What was the final cost of the shirt?
6 Hire purchase (Use with 18.6) 1 An item purchased on hire purchase had 29\% added to the original cost. If the cash price was $\$ 600$ , what was the hire purchase price?
2 Suzanne bought a music player on hire purchase by paying $\$ 1$ down, and 12 payments of $\$ 52$ . What was her total cost?
7 Exchanging currency (Use after 18.7) 1 Amal paid $T T \$ 39.10$ for lunch in Trinidad, and Che paid $B B \$ 14$ for a similar lunch in Barbados. If the rate of exchange was $B B \$ 1=\Pi \$ 3.20$ , who paid more for his lunch?
2 If US $\$ 1=\mathrm{BB} \$ 1.98$ , how many US dollars is BB $\$ 118.80$ ?

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Problem 16507

$\tan (x+y+z) = \frac{\tan x + \tan y + \tan z - \tan x \tan y \tan z}{1 - \tan x \tan y - \tan x \tan z - \tan y \tan z}$

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Problem 16508

$8 + \boxed{\phantom{12}} \cdot 4 = 56$
Calculate the number that should go in the box below.

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Problem 16509

Find an equation for the graph shown $y(x)=$ Question Help: Video Message instructor Submit Question

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Problem 16510

Solve for $x$ in the triangle. Round your answer to the nearest tenth. $55^{\circ}$ $12$ $x$

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Problem 16511

A kite flying in the air has an 86-ft string attached to it, and the string is pulled taut. The angle of elevation of the kite is $53^\circ$ . Find the height of the kite. Round your answer to the nearest tenth. 86 $53^\circ$ ft

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Problem 16512

Find x. Round your answer to the nearest tenth of a degree. $x = \Box^{\circ}$ 13 9

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Problem 16513

[-/1 Points] DETAILS MY NOTES SPRECALC7 11.1.048.MI.
Find an equation for the parabola that has its vertex at the origin and satisfies the given conditions. Focal diameter 5 and focus on the negative $y$ -axis $\square$ Need Help? Read It Watch it Master It Submit Answer

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Problem 16514

$49b = 0$ $b = 0$ Add 18 to both sides Subtract 18 from both sides Multiply both sides by 18 Divide both sides by 18 Apply the distributive property

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Problem 16515

Solve $\sin(x) = 0.7$ on $0 \le x < 2\pi$ .
There are two solutions, A and B, with $A < B$ .
A =
B =
Give your answers accurate to 3 decimal places.

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Problem 16516

4. On Monday, the value of a checking account was \$65. The value began dropping \$17 every day for 12 days. What was the value after 12 days?

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Problem 16517

Find all values of $m$ for which the equation has two complex (non-real) solutions.
$4v + (m + 3) = -5v^2$
Write your answer starting with $m$ , followed by an equals sign or inequality symbol (for example, $m < 5$ ). Reduce all fractions.

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Problem 16518

What does the law of cosines reduce to when dealing with a right triangle? A. The Pythagorean theorem B. The formula for a triangle's area C. The formula for a triangle's area D. The law of sines

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Problem 16519

Graph the line with the equation $y = x - 4$ .

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Problem 16520

Solve each equation. Remember to check for extraneous solutions.
11) $\frac{a-6}{6a^2} = \frac{1}{6a^2} + \frac{a+5}{3a^2}$

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Problem 16521

Graph the line with the equation $y = -\frac{2}{5}x + 1$ .

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Problem 16522

Graph the line with the equation $y = -\frac{1}{3}x - 5$ .

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Problem 16523

11) Solve $cos(2x) = \frac{-1}{2}$

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Problem 16524

Graph this line using intercepts: $7x - y = -7$ Click to select points on the graph.

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Problem 16525

In the diagram, $a \perp b$ . Find the value of $x$ that makes $b||c$ .
$c$ $a$ $b$ $(9x + 18)^{\circ}$ $x =$

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Problem 16526

64 is 4 times the difference between Sarah's age, $a$ , and 44. Assume Sarah is older than 44.
Write an equation to determine Sarah's age (a). $\square$ Find Sarah's age. $\square$

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Problem 16527

4. What value of $r$ makes this equation true? $336 \div r=48$ a. 7 b. 6 c. 8 d. 9

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Problem 16528

Natasha needs to save \$479.58 for a vacation. She has saved \$149.88, and earns \$7.85 an hour helping at the playground. How many hours must she work to meet her goal?

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Problem 16529

Challenge: A 3 kg model airplane is traveling at a speed of 33 m/s. The operator then increases the speed up to 45 m/s in 2 seconds. How much force did the engine need in order to make this change?

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Problem 16530

Find the equation of the line that contains the point $(-2,-1)$ and is perpendicular to the line $2 x+3 y=9$ . Write the line in slope-intercept form, if possible. Graph the lines.
Select the correct choice below and fill in the answer box to complete your choice. A. The equation of the perpendicular line in slope-intercept form is $\square$ $\square$ . (Simplify your answer. Type your answer in slope-intercept form. Use integers or fractions for any numbers in the equation.) B. The equation of the perpendicular line cannot be written in slope-intercept form. The equation of the perpendicular line is $\square$ $\square$ . (Simplify your answer. Use integers or fractions for any numbers in the equation.)

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Problem 16531

$\text{A 6-foot-3 person standing near a tree casts a 5-foot-long shadow. The tree casts a shadow that is 18 feet long. What is the height of the tree? Round to the nearest hundredth if necessary.}$

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Problem 16532

According to the graph, what is the value of the constant in the equation below?
Height = Constant $\cdot$ Width
(1, 1.5) (2, 3) (4, 6) (6, 9)
A. 0.667 B. 1.5 C. 3 D. 2

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Problem 16533

A person is standing 150 feet from the base of a statue. If the statue is sitting on the ground and is 21 feet tall, what is the angle of elevation from the person's eye to the top of the statue? Assume the person's eye-level is 5.5 feet above the ground. 5.9° 7.3° 6.2° 8.0°

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Problem 16534

Determine the value of x. $147^\circ$ $x + 42^\circ$ $2x$

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Problem 16535

Verify that the origin is a regular singularity of each of the equations $2-6$ and that the roots of the indicial equation (40.38) do not differ by an integer. Find, by the method of Frobenius, two independent solutions of each equation and intervals of convergence.
2. $x^{2} y^{\prime \prime}+x\left(x+\frac{1}{2}\right) y^{\prime}+x y=0$ .

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Problem 16536

Solve for $x$ :
$10^{5x-10} = 7^{2x-5}$
$x =$
You may enter the exact value or round to 4 decimal places.

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Problem 16537

Find the Value of $x$ :- $3^{2 x-6}=10^{2 x-6}$

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Problem 16538

$20 \cdot 50 + 16 \cdot 50$
$h$
$hyp$
$20$
$\frac{1}{2}$
$(16)(18.3)$
$8$
$h^2 + 8^2 = 20^2$
$h^2 + 64 = 400$
$-64 -64$
$h^2 = 336$
$h = 18.3$

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Problem 16539

(1) $a=$

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Problem 16540

At a certain college, it is estimated that at most 32% of the students ride bicycles to class. Does this seem to be a valid estimate if, in a random sample of 98 college students, 39 are found to ride bicycles to class? Use a 0.01 level of significance. Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table.
Let a success be a student that rides a bicycle to class. Identify the null and alternative hypotheses. A. $H_0$ : $p = 0.32$ $H_1$ : $p < 0.32$
B. $H_0$ : $p = 0.32$ $H_1$ : $p \ne 0.32$
C. $H_0$ : $p > 0.32$ $H_1$ : $p = 0.32$
D. $H_0$ : $p < 0.32$ $H_1$ : $p = 0.32$
E. $H_0$ : $p \ne 0.32$ $H_1$ : $p = 0.32$
F. $H_0$ : $p = 0.32$ $H_1$ : $p > 0.32$
Identify the critical region. Select the correct choice below and fill in the answer box(es) to complete your choice. (Round to two decimal places as needed.) A. $z <$ B. $z <$ or $z >$ C. $z > 2.33$
Find the test statistic. $z =$ (Round to two decimal places as needed.)

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Problem 16541

Quadratic Equations Unit Test Part 1
Which of the following quadratic equations is not solvable by grouping?
$2x^2 - 2x - 10 = 0$
$2x^2 + 14x + 12 = 0$
$x^2 - 2x + 1 = 0$
$x^2 - 12x + 35 = 0$

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Problem 16542

Use the tables to answer the question. Jamal Step 1: Set equation $=0$ . Step 2: Write quadratic equation as the product of two factors. Step 3: Set each factor equal to $0$ . Step 4: Solve each equation.
$x^2 + 4x - 12 = 0$ $(x+6)(x-2) = 0$ $x+6=0$ and $x-2=0$ $x=-6$ and $x=2$
George Step 1: Begin with the equation. Step 2: Write quadratic equation as the product of two factors. Step 3: Set each factor equal to $0$ . Step 4: Solve each equation.
$x^2 + 4x - 5 = 7$ $(x+5)(x-1) = 7$ $x+5=0$ and $x-1=0$ $x=-5$ and $x=1$
When trying to solve the quadratic equation $x^2 + 4x - 5 = 7$ , Jamal and George each provided their work in the tables. Each said they used the Zero Product Property to solve the equation after step 2. Explain how you know the correct student's solution is accurate and how you know the incorrect student's solution is inaccurate.

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Problem 16543

In the figure below, $m\angle MKJ = 128^\circ$ .
$48^\circ$ $(5x)^\circ$
(a) Write an equation to find $x$ . Make sure you use an "=" sign in your answer. Equation:
(b) Solve for $x$ . $x =$

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Problem 16544

Solve the equation using the quadratic formula. $x^{2}-4 x+8=0$
The solution set is $\square$ \}. (Simblify vour answer. Type an exact answer, usin

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Problem 16545

29. $\quad 6^{n-2}=50$

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Problem 16546

$A = \frac{1}{2}bh$ Area of the triangle = $8$ ft $^2$ $8 = \frac{1}{2}(x+1)(3x-7)$ $3x^2 - 7x + 3x - 7$ $\frac{1}{2}(3x^2 - 4x - 7)$ $(3x - 7)$ ft $x = 1.4$ cannot be negative $(x + 1)$ ft

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Problem 16547

Solve for $v$ .
$\frac{4}{5v - 20} - 3 = -\frac{8}{v - 4}$
If there is more than one solution, separate them with commas. If there is no solution, click on "No solution".

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Problem 16548

Question Watch Video
Write the log equation as an exponential equation. You do not need to solve $\log _{2 x}\left(x^{2}-3 x+14\right)=3$
Answer Attempt 1 out of 2

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Problem 16549

6) $7 v+8(7 v-8)=-379$

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Problem 16550

Question 7 Given the circle equation: $(x - 2)^2 + (y - 1)^2 = 25$ , answer parts a-c.
Question 7 Part A Graph the circle $(x - 2)^2 + (y - 1)^2 = 25$ . Upload a picture of your graph below.
Question 7 Part B For each point, determine if it is on the circle. If not, decide whether it is inside the circle or outside of the circle. (4,0) (-3, 3) (-2,-2)
Question 7 Part C How can you use distance calculations to decide if a point is inside, on, or outside a circle?

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Problem 16551

$x \cdot \log_{x} 12 = \log_{x} 75 - 2$

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Problem 16552

In 6-14, solve each equation.
6. $t-\frac{2}{3}=25 \frac{3}{4}$

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Problem 16553

8. $13.27=t-24.45$

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Problem 16554

Find the conversion factor $x$ to convert grams of Bromine (Br) to moles using its molar mass of 79.9 g/mol.

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Problem 16555

Marta paid \$30 for 3 shirts and got \$6.03 change. What is the cost of each shirt? A. \$23.97 B. \$6.99 C. \$7.99 D. \$8.32

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Problem 16556

Flora bought 4 pizzas at \$11.95 each and paid \$3.20 for delivery. What is her total cost?

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Problem 16557

Find the hypotenuse of a right triangle with legs $a=16$ and $b=30$ . What is its length in units?

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Problem 16558

Calculate the infusion rate in drops per minute (gtt/min) for $500 \mathrm{mg}$ ampicillin in $100 \mathrm{~mL}$ over 30 minutes with a drop factor of $10 \mathrm{gtt}/\mathrm{mL}$ .

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Problem 16559

What number is 28% of if 48% of 28 equals that number? A) 3.76 B) 13 C) 48 D) 58.3

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Problem 16560

Calculate: $\frac{5}{6}-\frac{1}{5}=$

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Problem 16561

What is the sum of $\frac{1}{10}$ and $\frac{5}{8}$ ?

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Problem 16562

The equation is $10z + 4 = 144$ . Solve for $z$ to find the number.

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Problem 16563

Find the hypotenuse of a right triangle with legs $a=20$ and $b=48$ .

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Problem 16564

A cell phone plan costs \ $21 monthly plus \$5 per GB of data. Write the equation for cost$ C $in terms of data$ d$. If the bill is \$52, how many GB did you use?
$C = 21 + 5d$

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Problem 16565

When $20.4 \mathrm{~g}$ of carbon reacts with oxygen, $11.6 \mathrm{~g}$ of oxygen remains. Find the mass of carbon dioxide produced.

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Problem 16566

Find the dimensions of a rectangular garden that is $20 \mathrm{ft}$ longer than its width and has an area of $4125 \mathrm{ft}^{2}$ .

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Problem 16567

Let the number of ten dollar bills be $x$ . Then, the number of five dollar bills is $2x$ . Solve for $x$ given $5(2x) + 10(x) = 720$ . How many ten's are there?

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Problem 16568

Juan bought a \$ 16,100 truck, paid \$ 4,100 down, and took a loan with \$ 265.62 monthly for 4 years. Find: (a) Total cost of the truck. (b) Interest paid on the loan.

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Problem 16569

Define a linear equation for the monthly cost $C$ of a cell phone plan based on data usage $d$ in GB, given $C = 21 + 5d$ .

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Problem 16570

A rectangular room's width is 2 times its length, with a perimeter of 28 m. Find the dimensions rounded to two decimal places.

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Problem 16571

Juan rented a truck for \$18.99 plus \$0.76 per mile. He paid \$111.71 total. How many miles did he drive?

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Problem 16572

Macy walked her dog 0.8 km for 3 days. Which equation finds the total distance? A $3 \times 0.8=0.24$ B $0.3 \times 0.8=0.24$ C $3 \times 0.8=2.4$ D $3 \times 0.8=2.04$

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Problem 16573

Find the derivative of the implicit function: $y^2 + \sin y + x + y + y \sin x + y \sin y + \cos(y^2 + 1) + \sin y + x^2 + 4y = \cos x$ and $3xy^2 + \cos y^2 = 2x^3 + 5$ and $\tan(5y) - y \sin x + 3xy^2 = 9$ .

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Problem 16574

Solve for $t$ using the square root property: $2 t^{2}-45=-19$ . Find $t=$ .

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Problem 16575

Find leg $x$ in a right triangle with sides 18 and 9. $x$ is a leg, not the hypotenuse.

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Problem 16576

Complete the square for the equation $p^{2}+14 p-33=10$ . Write it as $(p-a)^{2}=b$ and find $p=$ .

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Problem 16577

A truck goes 441 miles at 63 mph. Use $d = r t$ to find the travel time in hours.

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Problem 16578

Solve the equation $4 m^{2}-3 m-2=0$ using the quadratic formula and list solutions in simplest radical form.

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Problem 16579

How many unique 3-digit numbers with non-repeating digits are divisible by 5?

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Problem 16580

Determine the nature of roots for a quadratic equation based on the discriminant values: 0, 4, 2, and -2.

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Problem 16581

If 1585 plasma TVs are sold, how many flatscreen TVs were sold if the ratio is 3:5? Also, for 27,360 total seats sold, find general admission seats if the ratio is 4:5.

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Problem 16582

Solve: $\sqrt{-1 x+68}=x-12$ . Find $x=$ (Separate answers with commas; use integers or reduced fractions. If none, enter DNE.)

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Problem 16583

Solve for $x$ : $x^{3/5} = 8$

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Problem 16584

Solve $a^{2}=15 a-56$ . Find $a=$ . If multiple solutions, separate with a comma.

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Problem 16585

Solve the equation $3 r^{3}-12 r=-2 r^{2}+8$ for real values of $r$ . Provide answers as integers or simplified fractions, separated by commas.

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Problem 16586

Find three consecutive even integers where the smallest plus twice the median equals 20 more than the largest: $x + 2(x + 2) = (x + 4) + 20$ .

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Problem 16587

Solve the quadratic $p^{2}+14 p-33=10$ by completing the square. Give the equation as $(p-a)^{2}=b$ and list solutions.

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Problem 16588

Find the leg length $x$ in a right triangle with one leg 18 and hypotenuse 9.

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Problem 16589

Solve the equation $4 m^{2}-3 m-2=0$ using the quadratic formula. Provide solutions in simplest radical form.

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Problem 16590

In Amanda's class, the ratio of students with widow's peaks to those without is 3:2. With 35 students, how many lack widow's peaks? $\frac{3}{2} w p=35$

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Problem 16591

Convert $86_{\text {twelve }}$ to decimal. What is the decimal value?

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Problem 16592

In a class of 32 students with a junior to senior ratio of 5:3, how many are seniors? (A) 3 (B) 8 (C) 9 (D) 1 (E) 20

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Problem 16593

Find the leg $x$ of a right triangle with hypotenuse 18 and other leg 9. Provide the exact value. $x=$

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Problem 16594

Morgan's new balance after a \$600 purchase with a 10.99% APR and 4.5% minimum payment is needed. Round to the nearest cent.

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Problem 16595

Morgan's new balance after a \$600 purchase on a card with 20.99\% APR and 4\% minimum payment is needed.

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Problem 16596

Gina's credit card has an APR of 18.99% and a limit of \$1600. If she buys \$200, what is her minimum payment at month-end?

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Problem 16597

Find all $\theta$ in $[0^{\circ}, 360^{\circ})$ such that $\sin \theta=\frac{1}{2}$ . What are the values of $\theta$ ?

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Problem 16598

Find the height of a tree that casts a 26m shadow with a sun angle of elevation of $24^{\circ}$ . Options: 10m, 11m, 12m, 13m.

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Problem 16599

Solve the equation $-2 \sin ^{2} \theta+\cos \theta=-1$ for $0 \leq \theta<2 \pi$ .

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Problem 16600

Solve $-2 \sin ^{2} \theta+\cos \theta=-1$ for $0 \leq \theta<2 \pi$ . Options include $\frac{\pi}{3}, \pi$ .

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1 ...163 164 165 166 167 168 169 ...188

Equation

Problem 16501

Consider the line 5x+2y=75 x+2 y=75x+2y=7 What is the slope of a line perpendicular to this line? What is the slope of a line parallel to this line?Slope of a perpendicular line □\square□Tolope of a pat alicilime

Problem 16502

Problem 16503

Problem 16504

1 Matching 2 pointsThe equation 5(13)3x−1=105\left(\frac{1}{3}\right)^{3 x-1}=105(31​)3x−1=10 is rewritten in the form log⁡bd=c\log _{b} d=clogb​d=c. Find b, d, and c. b □\square□ \qquad c □\square□ \qquad d □\square□

Problem 16505

3x−2=4y+53 x-2=4 y+53x−2=4y+5

Problem 16506

Problem 16507

Problem 16508

8+12⋅4=568 + \boxed{\phantom{12}} \cdot 4 = 568+12​⋅4=56Calculate the number that should go in the box below.

Problem 16509

Find an equation for the graph shown y(x)=y(x)=y(x)= Question Help: Video Message instructor Submit Question

Problem 16510

Solve for xxx in the triangle. Round your answer to the nearest tenth. 55∘55^{\circ}55∘ 121212 xxx

Problem 16511

A kite flying in the air has an 86-ft string attached to it, and the string is pulled taut. The angle of elevation of the kite is 53∘53^\circ53∘. Find the height of the kite. Round your answer to the nearest tenth. 86 53∘53^\circ53∘ ft

Problem 16512

Find x. Round your answer to the nearest tenth of a degree. x=□∘x = \Box^{\circ}x=□∘ 13 9

Problem 16513

[-/1 Points] DETAILS MY NOTES SPRECALC7 11.1.048.MI.Find an equation for the parabola that has its vertex at the origin and satisfies the given conditions. Focal diameter 5 and focus on the negative yyy-axis □\square□ Need Help? Read It Watch it Master It Submit Answer

Problem 16514

49b=049b = 049b=0 b=0b = 0b=0 Add 18 to both sides Subtract 18 from both sides Multiply both sides by 18 Divide both sides by 18 Apply the distributive property

Problem 16515

Solve sin⁡(x)=0.7\sin(x) = 0.7sin(x)=0.7 on 0≤x<2π0 \le x < 2\pi0≤x<2π.There are two solutions, A and B, with A<BA < BA<B.A = B = Give your answers accurate to 3 decimal places.

Problem 16516

4. On Monday, the value of a checking account was \$65. The value began dropping \$17 every day for 12 days. What was the value after 12 days?

Problem 16517

Find all values of mmm for which the equation has two complex (non-real) solutions.4v+(m+3)=−5v24v + (m + 3) = -5v^24v+(m+3)=−5v2Write your answer starting with mmm, followed by an equals sign or inequality symbol (for example, m<5m < 5m<5). Reduce all fractions.

Problem 16518

What does the law of cosines reduce to when dealing with a right triangle? A. The Pythagorean theorem B. The formula for a triangle's area C. The formula for a triangle's area D. The law of sines

Problem 16519

Graph the line with the equation y=x−4y = x - 4y=x−4.

Problem 16520

Solve each equation. Remember to check for extraneous solutions.11) a−66a2=16a2+a+53a2\frac{a-6}{6a^2} = \frac{1}{6a^2} + \frac{a+5}{3a^2}6a2a−6​=6a21​+3a2a+5​

Problem 16521

Graph the line with the equation y=−25x+1y = -\frac{2}{5}x + 1y=−52​x+1.

Problem 16522

Graph the line with the equation y=−13x−5y = -\frac{1}{3}x - 5y=−31​x−5.

Problem 16523

11) Solve cos(2x)=−12cos(2x) = \frac{-1}{2}cos(2x)=2−1​

Problem 16524

Graph this line using intercepts: 7x−y=−77x - y = -77x−y=−7 Click to select points on the graph.

Problem 16525

In the diagram, a⊥ba \perp ba⊥b. Find the value of xxx that makes b∣∣cb||cb∣∣c.ccc aaa bbb (9x+18)∘(9x + 18)^{\circ}(9x+18)∘ x=x =x=

Problem 16526

64 is 4 times the difference between Sarah's age, aaa, and 44. Assume Sarah is older than 44.Write an equation to determine Sarah's age (a). □\square□ Find Sarah's age. □\square□

Problem 16527

4. What value of rrr makes this equation true? 336÷r=48336 \div r=48336÷r=48 a. 7 b. 6 c. 8 d. 9

Problem 16528

Natasha needs to save \$479.58 for a vacation. She has saved \$149.88, and earns \$7.85 an hour helping at the playground. How many hours must she work to meet her goal?

Problem 16529

Challenge: A 3 kg model airplane is traveling at a speed of 33 m/s. The operator then increases the speed up to 45 m/s in 2 seconds. How much force did the engine need in order to make this change?

Problem 16530

Problem 16531

Problem 16532

According to the graph, what is the value of the constant in the equation below?Height = Constant ⋅ \cdot ⋅ Width(1, 1.5) (2, 3) (4, 6) (6, 9)A. 0.667 B. 1.5 C. 3 D. 2

Problem 16533

A person is standing 150 feet from the base of a statue. If the statue is sitting on the ground and is 21 feet tall, what is the angle of elevation from the person's eye to the top of the statue? Assume the person's eye-level is 5.5 feet above the ground. 5.9° 7.3° 6.2° 8.0°

Problem 16534

Determine the value of x. 147∘147^\circ147∘ x+42∘x + 42^\circx+42∘ 2x2x2x

Problem 16535

Problem 16536

Solve for xxx:105x−10=72x−510^{5x-10} = 7^{2x-5}105x−10=72x−5x=x =x=You may enter the exact value or round to 4 decimal places.

Problem 16537

Find the Value of xxx :- 32x−6=102x−63^{2 x-6}=10^{2 x-6}32x−6=102x−6

Problem 16538

20⋅50+16⋅5020 \cdot 50 + 16 \cdot 5020⋅50+16⋅50hhhhyphyphyp20202012\frac{1}{2}21​(16)(18.3)(16)(18.3)(16)(18.3)888h2+82=202h^2 + 8^2 = 20^2h2+82=202h2+64=400h^2 + 64 = 400h2+64=400−64−64-64 -64−64−64h2=336h^2 = 336h2=336h=18.3h = 18.3h=18.3

Problem 16539

(1) a=a=a=

Problem 16540

Problem 16541

Quadratic Equations Unit Test Part 1Which of the following quadratic equations is not solvable by grouping?2x2−2x−10=02x^2 - 2x - 10 = 02x2−2x−10=02x2+14x+12=02x^2 + 14x + 12 = 02x2+14x+12=0x2−2x+1=0x^2 - 2x + 1 = 0x2−2x+1=0x2−12x+35=0x^2 - 12x + 35 = 0x2−12x+35=0

Problem 16542

Problem 16543

In the figure below, m∠MKJ=128∘m\angle MKJ = 128^\circm∠MKJ=128∘.48∘48^\circ48∘ (5x)∘(5x)^\circ(5x)∘(a) Write an equation to find xxx. Make sure you use an "=" sign in your answer. Equation:(b) Solve for xxx. x=x = x=

Problem 16544

Solve the equation using the quadratic formula. x2−4x+8=0x^{2}-4 x+8=0x2−4x+8=0The solution set is □\square□ \}. (Simblify vour answer. Type an exact answer, usin

Consider the line $5 x+2 y=7$ What is the slope of a line perpendicular to this line? What is the slope of a line parallel to this line?
Slope of a perpendicular line $\square$
Tolope of a pat alicilime

1 Matching 2 points
The equation $5\left(\frac{1}{3}\right)^{3 x-1}=10$ is rewritten in the form $\log _{b} d=c$ . Find b, d, and c. b $\square$ $\qquad$ c $\square$ $\qquad$ d $\square$

$3 x-2=4 y+5$

$8 + \boxed{\phantom{12}} \cdot 4 = 56$
Calculate the number that should go in the box below.

Find an equation for the graph shown $y(x)=$ Question Help: Video Message instructor Submit Question

Solve for $x$ in the triangle. Round your answer to the nearest tenth. $55^{\circ}$ $12$ $x$

A kite flying in the air has an 86-ft string attached to it, and the string is pulled taut. The angle of elevation of the kite is $53^\circ$ . Find the height of the kite. Round your answer to the nearest tenth. 86 $53^\circ$ ft

Find x. Round your answer to the nearest tenth of a degree. $x = \Box^{\circ}$ 13 9

[-/1 Points] DETAILS MY NOTES SPRECALC7 11.1.048.MI.
Find an equation for the parabola that has its vertex at the origin and satisfies the given conditions. Focal diameter 5 and focus on the negative $y$ -axis $\square$ Need Help? Read It Watch it Master It Submit Answer

$49b = 0$ $b = 0$ Add 18 to both sides Subtract 18 from both sides Multiply both sides by 18 Divide both sides by 18 Apply the distributive property

Solve $\sin(x) = 0.7$ on $0 \le x < 2\pi$ .
There are two solutions, A and B, with $A < B$ .
A =
B =
Give your answers accurate to 3 decimal places.

Find all values of $m$ for which the equation has two complex (non-real) solutions.
$4v + (m + 3) = -5v^2$
Write your answer starting with $m$ , followed by an equals sign or inequality symbol (for example, $m < 5$ ). Reduce all fractions.

Graph the line with the equation $y = x - 4$ .

Solve each equation. Remember to check for extraneous solutions.
11) $\frac{a-6}{6a^2} = \frac{1}{6a^2} + \frac{a+5}{3a^2}$

Graph the line with the equation $y = -\frac{2}{5}x + 1$ .

Graph the line with the equation $y = -\frac{1}{3}x - 5$ .

11) Solve $cos(2x) = \frac{-1}{2}$

Graph this line using intercepts: $7x - y = -7$ Click to select points on the graph.

In the diagram, $a \perp b$ . Find the value of $x$ that makes $b||c$ .
$c$ $a$ $b$ $(9x + 18)^{\circ}$ $x =$

64 is 4 times the difference between Sarah's age, $a$ , and 44. Assume Sarah is older than 44.
Write an equation to determine Sarah's age (a). $\square$ Find Sarah's age. $\square$

4. What value of $r$ makes this equation true? $336 \div r=48$ a. 7 b. 6 c. 8 d. 9

According to the graph, what is the value of the constant in the equation below?
Height = Constant $\cdot$ Width
(1, 1.5) (2, 3) (4, 6) (6, 9)
A. 0.667 B. 1.5 C. 3 D. 2

Determine the value of x. $147^\circ$ $x + 42^\circ$ $2x$

Solve for $x$ :
$10^{5x-10} = 7^{2x-5}$
$x =$
You may enter the exact value or round to 4 decimal places.

Find the Value of $x$ :- $3^{2 x-6}=10^{2 x-6}$

$20 \cdot 50 + 16 \cdot 50$
$h$
$hyp$
$20$
$\frac{1}{2}$
$(16)(18.3)$
$8$
$h^2 + 8^2 = 20^2$
$h^2 + 64 = 400$
$-64 -64$
$h^2 = 336$
$h = 18.3$

(1) $a=$

Quadratic Equations Unit Test Part 1
Which of the following quadratic equations is not solvable by grouping?
$2x^2 - 2x - 10 = 0$
$2x^2 + 14x + 12 = 0$
$x^2 - 2x + 1 = 0$
$x^2 - 12x + 35 = 0$

In the figure below, $m\angle MKJ = 128^\circ$ .
$48^\circ$ $(5x)^\circ$
(a) Write an equation to find $x$ . Make sure you use an "=" sign in your answer. Equation:
(b) Solve for $x$ . $x =$

Solve the equation using the quadratic formula. $x^{2}-4 x+8=0$
The solution set is $\square$ \}. (Simblify vour answer. Type an exact answer, usin

29. $\quad 6^{n-2}=50$

Solve for $v$ .
$\frac{4}{5v - 20} - 3 = -\frac{8}{v - 4}$
If there is more than one solution, separate them with commas. If there is no solution, click on "No solution".

Question Watch Video
Write the log equation as an exponential equation. You do not need to solve $\log _{2 x}\left(x^{2}-3 x+14\right)=3$
Answer Attempt 1 out of 2

6) $7 v+8(7 v-8)=-379$

$x \cdot \log_{x} 12 = \log_{x} 75 - 2$

In 6-14, solve each equation.
6. $t-\frac{2}{3}=25 \frac{3}{4}$

8. $13.27=t-24.45$

Find the conversion factor $x$ to convert grams of Bromine (Br) to moles using its molar mass of 79.9 g/mol.

Find the hypotenuse of a right triangle with legs $a=16$ and $b=30$ . What is its length in units?

Calculate the infusion rate in drops per minute (gtt/min) for $500 \mathrm{mg}$ ampicillin in $100 \mathrm{~mL}$ over 30 minutes with a drop factor of $10 \mathrm{gtt}/\mathrm{mL}$ .

Calculate: $\frac{5}{6}-\frac{1}{5}=$

What is the sum of $\frac{1}{10}$ and $\frac{5}{8}$ ?

The equation is $10z + 4 = 144$ . Solve for $z$ to find the number.

Find the hypotenuse of a right triangle with legs $a=20$ and $b=48$ .

When $20.4 \mathrm{~g}$ of carbon reacts with oxygen, $11.6 \mathrm{~g}$ of oxygen remains. Find the mass of carbon dioxide produced.

Find the dimensions of a rectangular garden that is $20 \mathrm{ft}$ longer than its width and has an area of $4125 \mathrm{ft}^{2}$ .

Let the number of ten dollar bills be $x$ . Then, the number of five dollar bills is $2x$ . Solve for $x$ given $5(2x) + 10(x) = 720$ . How many ten's are there?

Define a linear equation for the monthly cost $C$ of a cell phone plan based on data usage $d$ in GB, given $C = 21 + 5d$ .

Macy walked her dog 0.8 km for 3 days. Which equation finds the total distance? A $3 \times 0.8=0.24$ B $0.3 \times 0.8=0.24$ C $3 \times 0.8=2.4$ D $3 \times 0.8=2.04$

Solve for $t$ using the square root property: $2 t^{2}-45=-19$ . Find $t=$ .