Linearity

Problem 2801

You work 30 hours at \$8.25/hour and want to earn \$396 total. How many hours do you need to work landscaping?

See Solution

Problem 2802

Solve $9x-5=9x-5$ and check if there's a solution or if it's infinitely many solutions.

See Solution

Problem 2803

Solve $4s - 13 = 30s$ . Check the solution; enter NO SOLUTION or INFINITELY MANY if applicable. What is $s$ ?

See Solution

Problem 2804

Is the equation $4x - 1 + 8x = 7$ true? Yes or No.

See Solution

Problem 2805

You work 30 hrs/wk at \$8.25/hr and want to earn \$396 total. How many hrs/wk at \$11.00/hr do you need to work?

See Solution

Problem 2806

Which table matches the equation $y=-2x+17$ ?

See Solution

Problem 2807

$m + 10 = 74$ donde $m$ es la renta de Mai.

See Solution

Problem 2808

Lena usó 2.6 litros de combustible y ahora tiene 3.89 litros. ¿Cuál era la cantidad inicial $A$ ? Escribe y resuelve la ecuación: $A - 2.6 = 3.89$ .

See Solution

Problem 2809

En una tienda, Hong ha hecho 5 compras y tiene 6.5 puntos.
(a) Escribe una ecuación para hallar $n$ , donde $n$ son los puntos por compra: $n \times 5 = 6.5$ .
(b) Resuelve para $n$ .

See Solution

Problem 2810

Un mago alarga una cuerda 2.3 m y mide 9.16 m al final.
(a) Escribe la ecuación: $L + 2.3 = 9.16$ .
(b) Resuelve para $L$ . ¿Cuánto mide la cuerda al inicio?

See Solution

Problem 2811

A grandmother's grandson is 2 years older than her granddaughter, and together they are at least 12 years old. Find their ages.

See Solution

Problem 2812

Solve the system $x+y=2$ and $x-y=3$ . What is the value of $x$ ?

See Solution

Problem 2813

Determine the relationship between $x$ and $y$ for the equations $y=2x$ and $y=x+2$ .

See Solution

Problem 2814

Solve the inequality $9>2 x+5$ by ordering these steps: copy, subtract 5, simplify, divide by 2, simplify.

See Solution

Problem 2815

The equation $10 x=10$ has how many solutions?

See Solution

Problem 2816

The population function is $p(t)=0.4t+28.2$ . Which statement about the town's population growth is true? A) B) C) D)

See Solution

Problem 2817

Find the slope and $y$ -intercept for these equations: a) $7y + 12x - 2 = 0$ , b) $12x = 6y + 4$ .

See Solution

Problem 2818

The Garza family drives to a park. The distance left is $315-55h$ . What does each part of this expression represent?

See Solution

Problem 2819

Mark's age, $x$ , is 6 times his age 2 years ago. Which equation is correct? 1) $x=2 x+6$ 2) $x=6 x-2$ 3) $x=6(x-2)$ 4) $x=6 x+2$

See Solution

Problem 2820

Allen traveled for 7 hours at 40 mph. How long did Anna take at 50 mph? Set up: $7(40)=x(50)$ . Find $x$ .

See Solution

Problem 2821

Seven less than the quotient of $x$ and 12 equals five times $x$ . Which equation represents this? $\frac{x}{12}-7=5 x$ $7-\frac{x}{12}=5 x$ $\frac{x}{12}-7+5 x$ $7-\frac{x}{12}+5 x$

See Solution

Problem 2822

Iris charges a fee plus an hourly rate of $1 \frac{1}{5}$ times her fee. For a 7-hour job, she charged \$470. Find her fee and hourly rate.

See Solution

Problem 2823

An aircraft consumes fuel at $7 \mathrm{lbs} /$ minute. If it used 560 lbs, how long was the flight?

See Solution

Problem 2824

Solve for $x$ in the equation $s=\frac{u-x}{f}$ . What is $x$ ?

See Solution

Problem 2825

Harry's current age plus his age next year equals 15. How old will he be in 13 years?

See Solution

Problem 2826

Janelle hikes a 33-mile trail with a distance ratio walked to left as $4:7$ . How many miles has she walked?

See Solution

Problem 2827

Eight times a number, $x$ , equals one-third of the sum of the number and two. Which equation represents this? $8 x=\frac{1}{3}(x+2)$

See Solution

Problem 2828

Cindy's age, $x$ , is 3 times her age 6 years ago. Which equation is correct?
1. $x=3 x+6$
2. $x=3(x-6)$
3. $x=3-6 x$
4. $x=3 x-6$

See Solution

Problem 2829

Ben works 4 hours daily and earns the same total as Allen. What is Ben's hourly wage?
Set up: $8(10)=4(x)$ Identify: Ben's wage is the unknown. Strategize: Let $x=$ Ben's unknown wages. Solve: $x=20$ Check: $8(10)=4(20)$

See Solution

Problem 2830

Determine if the lines $y=x+3$ and $y=2x+3$ are parallel.

See Solution

Problem 2831

Determine if the lines $y + 5x = 1$ and $y = 5x + 4$ are parallel.

See Solution

Problem 2832

Find the value of $a$ for the parallel lines $y=4x-5$ and $y=ax+2$ .

See Solution

Problem 2833

Find the line parallel to $y=-3x+7$ that passes through the point $(1,3)$ .

See Solution

Problem 2834

Find the slope of the line given by the equation $y=5x-4$ .

See Solution

Problem 2835

Find the $y$ -coordinate for the line $x = 2y + 1$ when $x = -1$ .

See Solution

Problem 2836

Find the $y$ -intercept of the equation $10x + 3y = 12$ .

See Solution

Problem 2837

Find the line equation with slope -3 passing through the point $(1,-2)$ .

See Solution

Problem 2838

Use row operations to solve the system:
5 $x_{1}$ + 10 $x_{2}$ = 15 3 $x_{1}$ + 7 $x_{2}$ = 6
Provide the solution as an ordered pair.

See Solution

Problem 2839

Do the planes $x_{1}+4 x_{2}+x_{3}=5$ , $x_{2}-x_{3}=1$ , and $2 x_{1}+10 x_{2}=8$ intersect at a common point? A, B, or C?

See Solution

Problem 2840

Find the $y$ -intercept of the equation $8x + 3y = 15$ .

See Solution

Problem 2841

Find the $x$ -coordinate for the line $x=3y-5$ when $y=2$ .

See Solution

Problem 2842

Find the slope and $y$ -intercept value of the line: $y=3x-8$ .

See Solution

Problem 2843

Find the line equation with slope -2 passing through the point $(4,-7)$ .

See Solution

Problem 2844

Find the line parallel to $y=3x+6$ that passes through the point $(3,2)$ . What is its equation?

See Solution

Problem 2845

Use row operations to solve the system: 5 $x_1$ + 10 $x_2$ = 15, 3 $x_1$ + 7 $x_2$ = 6.

See Solution

Problem 2846

Choose values for $h$ and $k$ so the system has no solution, a unique solution, or many solutions.
1. $x_{1}+h x_{2}=3$
2. $2 x_{1}+6 x_{2}=k$
a. Fill in the blanks for when there are no solutions.

See Solution

Problem 2847

Use row operations to solve the system:
7x₁ + 14x₂ = -21 4x₁ + 5x₂ = 6

See Solution

Problem 2848

Brian made 4 purchases earning 9.6 points. Find points per purchase $n$ using the equation $4n = 9.6$ and solve for $n$ .

See Solution

Problem 2849

Choose $h$ and $k$ for the system to have (a) no solution, (b) a unique solution, and (c) many solutions. $\begin{array}{r} x_{1}+h x_{2}=5 \\ 4 x_{1}+8 x_{2}=k \end{array}$

See Solution

Problem 2850

Find two consecutive even integers such that their sum is at most 7 more than half the sum of the next two even integers.

See Solution

Problem 2851

A fish tank can hold 315 gallons. If a hose fills it at 15 gallons every 10 minutes, how many hours until it overflows?

See Solution

Problem 2852

Use the rule $y=4x+5$ to find $y$ values for $x=1, 2, 4, 7$ . Fill in the table with these results.

See Solution

Problem 2853

Use the function $y=2x-1$ to find $y$ for $x=2, 5, 6, 7$ . Fill in the missing values.

See Solution

Problem 2854

Logan's bill for 80 copies is \$13.00. If machine-fed copies cost \$0.08 and hand-fed copies \$0.20, find the number of each type.

See Solution

Problem 2855

Lindsay wants to earn at least \ $300 babysitting ($ 12/hr $) and mowing lawns ($ 15/hr$) in a max of 50 hours. Solve:
$\begin{cases} 12x + 15y \geq 300 \\ x + y \leq 50 \end{cases}$
Which job combo meets her goals?

See Solution

Problem 2856

Solve the equation $1 - 4x - 7 - 3x + 4 = 25$ .

See Solution

Problem 2857

Luke has 67 coins (quarters and dimes) totaling \$0.60. Find the number of each type of coin.

See Solution

Problem 2858

Lynsay wants to earn at least \ $300 babysitting ($ 12/hour) and mowing ($15/hour) without exceeding 50 hours. Solve:
$\left\{\begin{array}{l} 12 x+15 y \geq 300 \\ x+y \leq 50 \end{array}\right.$
What's the minimum total hours to achieve this?

See Solution

Problem 2859

Luke has 67 coins (quarters and dimes) worth \$10.60. Find the number of each type of coin.

See Solution

Problem 2860

Find $y$ using $m=10$ , $x=3$ , and $b=8$ in the equation $y=m x+b$ .

See Solution

Problem 2861

Graph the given functions, f and g , in the same rectangular coordinate system. Then describe how the graph of g is related to the graph of f. $\begin{array}{l} f(x)=x \\ g(x)=x-6 \end{array}$
Use the graphing tool to graph the functions.
How is the graph of f shifted to get the graph of g ? The graph of g is the graph of f shifted $\square$ by $\square$ units.

See Solution

Problem 2862

MyOpenMath Hacse Mathematics IXL - Find the slope... sites-aeropostalch- Algebra 2 D. 1 Find the slope of a linear function W67
Find the slope of the line that passes through $(7,7)$ and $(1,12)$ . Simplify your answer and write it as a proper fraction, improper fraction, or integer. $\square$ Submit

See Solution

Problem 2863

10. The ratio of pencils to pens in a box is 3 to 2 . If there are 30 pencils and pens altogether, how many penclls are there? (c) 16 (1) 17 - 18
19

See Solution

Problem 2864

Find the slope of the line that passes through $(1,13)$ and $(8,9)$ . Simplify your answer and write it as a proper fraction, improper fraction, or integer. $\square$ Submit

See Solution

Problem 2865

10. The ratio of pencils to pens in a box is 3 to 2 . If there are 30 pencils and pens altogether, how many pencils are there? (A) 16 (B) 17 (C) 18 (D) 19

See Solution

Problem 2866

Find an ordered pair $(x, y)$ that is a solution to the equation. $\begin{array}{l} 3 x+y=5 \\ (x, y)=(\square, \square) \end{array}$

See Solution

Problem 2867

9. Шар, цагаан будгийг $1: 12$ харьцаатай хольж ханыг будсан. a) 1.4 л шар будгийг хэдэн л цагаан будагтай холих вэ? б) Ханыг нийтдээ 19.5 л будгаар будсан бол шар будаг хэдэн проценттой нь тэнцүү вэ?

See Solution

Problem 2868

$\begin{array}{l}-5 x-y+2 z=4 \\ 4 x+9 y-5 z=-12 \\ 2 x-5 y+z=2\end{array}$

See Solution

Problem 2869

9. Шар, цагаан будгийг $1: 12$ харьцаатай хольж ханыг будсан. a) 1.4 л шар будгийг хэдэн л цагаан будагтай холих вэ? б) Ханыг нийтдээ 19.5 л будгаар будсан бол шар будаг хэдэн проценттой нь тэнцүү вэ?

See Solution

Problem 2870

27. Нийлбэр нь 156 -тай тэнцүү гурван тооны I нь II-тайгаа $3: 2$ , II нь III-тай $2: 7$ харьцаа уүсгэдэг бол эдгээр тоог ол.

See Solution

Problem 2871

29. Нэг нь нөгөөгөөсөө 138 -аар их байх хоёр тоо $13: 1.5$ харьцаа үүсгэдэг бол эдгээрийг ол.
30. Гурван тоо $3: 7: 5$ харьцаа үүсгэнэ. I тоо II-аасаа 36 -аар бага бол эдгээр тоог ол.

See Solution

Problem 2872

Practice and Problem-Solving Exercises MATHEMATICAL PRACTICES (A) Practice
Solve each equation using addition or subtraction. Check your answer. See Problems 1 and 2.
10. $6=x+2$
11. $27+n=46$
12. $23=v+5$
13. $4=q+13$
14. $f+9=20$
15. $-5+a=21$
16. $-17=3+k$
17. $5.5=-2+d$
18. $c+4=-9$
19. $67=w-65$
20. $23=b-19$
21. $g-3.5=10$
22. $y-19=37$
23. $q-11=-9$
24. $-2.5=p+7.1$
25. $j-3=-7$
Solve each equation using multiplication or division. Check your answer.
26. $-8 n=-64$
27. $-7 y=28$
28. $5 b=145$
See Problems 3 and 4.
30. $-96=4 c$
31. $11=2.2 t$
32. $17.5=5 s$
29. $6 a=0.96$
34. $\frac{m}{7}=12$
35. $35=\frac{j}{5}$
36. $\frac{k}{7}=13$
33. $7 r=\frac{7}{2}$
38. $14=\frac{z}{2}$
39. $\frac{q}{-9}=-9$
40. $-13=\frac{m}{-5}$
37. $-39=\frac{9}{3}$
Solve each equation. Check your answer.
42. $\frac{2}{3} q=18$
43. $\frac{3}{4} x=9$
44. $\frac{5}{8} y=-1$
41. $\frac{k}{4}=-\frac{17}{2}$
46. $\frac{1}{5} x=\frac{2}{7}$
47. $36=\frac{4}{9} d$
48. $-6=\frac{3}{7} n$ (D) See Problem 5.
Define a variable and write an equation for each situation. Then solve. See Problem 6.
50. Music You have a rack that can hold 30 CDs. You can fit 7 more CDs on the rack before the rack is full. How many CDs are in the rack?
51. Population In a 3-year period, a city's population decreased by 7525 to about 581,600 . What was the city's population at the beginning of the 3 -year period?

See Solution

Problem 2873

32. Гурван тоо $1 \frac{1}{3}: \frac{5}{6}: \frac{2}{3}$ харьцаа үүсгэнэ. II тоо III-аасаа 12 -оор их бол эдгээр тоог ол.

See Solution

Problem 2874

For $f(x)=-4 x+5$ , find each value. Progress: 0/2
Part 1 of 2 (a) $f(5)+2=$

See Solution

Problem 2875

Sarah downloads movies from a website that charges a $\$ 10$ membership fee plus $\$ 1$ for every movie downloaded. Lisa downloads movies from a different website that charges a $\$ 5$ fee per month and $\$ 2$ for each movie downloaded. These equations represent this situation. $\begin{array}{l} y=x+10 \\ y=2 x+5 \end{array}$
In the equations, which are drawn on the graph, $x$ represents the number of movies downloaded and $y$ represents the money spent. tum All rights reserved.

See Solution

Problem 2876

Select the correct answer from each drop-down menu.
Juan wants to find two numbers such that their sum is 33 and their difference is 13.
The equations that will help him find the answer are $\square$ and $\square$ The two numbers are $\square$ and $\square$

See Solution

Problem 2877

Select the correct answer.
Adam placed an order with an online clothing store. He ordered 5 shirts and 4 pairs of shoes, and he paid $\$ 155$ . His friend ordered 3 shirts and 2 pairs of shoes. His bill totaled $\$ 85$ . Assume that all of the shirts are the same price and all of the shoes are the same price. What is the cost of one shirt and one pair of shoes? A. A shirt costs $\$ 10$ , and a pair of shoes cost $\$ 25$ . B. A shit costs $\$ 15$ , and a pair of shoes costs $\$ 20$ . C. A shirt costs $\$ 20$ , and a pair of shoes costs $\$ 15$ . D. A shirt costs $\$ 25$ , and a pair of shoes cost $\$ 10$ .

See Solution

Problem 2878

6
Drag each system of equations to the correct location on the table.
Classify each system of equations as having a single solution, no solution, or infinite solutions. $\begin{array}{r} x+y=15 \\ 2 x-y=15 \end{array}$ $\square$

See Solution

Problem 2879

Select the correct answer.
What is the solution to this system of equations? $\begin{aligned} 2 t+w & =10 \\ 4 t & =20-2 w \end{aligned}$ A. It has no solution. B. It has infinite solutions C. It has a single solution: $t=4, w=2$ . D. It has a single solution: $t=2, w=6$ . E. It has a single solution: $t=6, w=-2$ .

See Solution

Problem 2880

Find the values of $x$ and $y$ that satisfy the given equation. $4 x-2 y j=24+16 j$ $\mathrm{x}=$ $\square$ (Type an exact answer, using radicals and $j$ as needed.)

See Solution

Problem 2881

Eric and Linda are paid $\$ 41.25$ for their work. Eric worked 2.5 hours, and Linda worked 3 hours. They split the money according to the amount of time each of them worked. How much is Eric's share of the money? Explain.
Eric and Linda are paid \\square $(Type integers or decimals.) for each hour worked. Eric's share of the money is$ \$$ $\square$.

See Solution

Problem 2882

The following formulas give animal populations as functions of time, $t$ , in years. Describe the growth of each population in words. (a) $P=1200+300 t$
The population is $\square$ .
Its initial value is $i$
The change is happening at $\square$ (b) $P=2700-80 t$
The population is $\square$ .
Its initial value is $\square$ $\square$ .
The change is happening at $\square$ (c) $P=1700(1.03)^{t}$
The population is $\square$ .
Its initial value is $\square$ .
The change is happening at $\square$ of $\square$

See Solution

Problem 2883

$y-\frac{1}{2}=-\frac{1}{7}$

See Solution

Problem 2884

Write the linear equation that gives the rule for this table. \begin{tabular}{|c|c|} \hline $x$ & $y$ \\ \hline 4 & -4 \\ \hline 5 & -5 \\ \hline 6 & -6 \\ \hline 7 & -7 \\ \hline \end{tabular}
Write your answer as an equation with y first, followed by an equals sign. $\square$ Submit Work it out Not feeling ready yet? These can he
Write a linear equation from two points Find the slo

See Solution

Problem 2885

Write the linear equation that gives the rule for this table. \begin{tabular}{|c|c|} \hline $x$ & $y$ \\ \hline 2 & 16 \\ \hline 3 & 17 \\ \hline 4 & 18 \\ \hline 5 & 19 \\ \hline \end{tabular}
Write your answer as an equation with y first, followed by an equals sign. $\square$
Submit
Workit out Not feeling ready yet? These can help

See Solution

Problem 2886

Write the linear equation that gives the rule for this table. \begin{tabular}{|c|c|} \hline $x$ & $y$ \\ \hline 4 & -12 \\ \hline 5 & -15 \\ \hline 6 & -18 \\ \hline 7 & -21 \\ \hline \end{tabular}
Write your answer as an equation with y first, followed by an equals sign. $\square$ Submit
Work it out Not feeling ready yet? These can help: Write a linear equation from two points
Find the slope from a table Write an equation from a graph using a table
Lesson: Unear functions Lesson: Slope

See Solution

Problem 2887

Write the linear equation that gives the rule for this table. \begin{tabular}{|c|c|} \hline $x$ & $y$ \\ \hline 5 & -45 \\ \hline 6 & -54 \\ \hline 7 & -63 \\ \hline 8 & -72 \\ \hline \end{tabular}
Write your answer as an equation with y first, followed by an equals sign. $\square$ Submit Work it out
Not feeling ready yet? These can help: Write a linear equation from two points Find the slope from a table
Write an equation from a graph using a table Lesson: Linear functions Lesson: Slope

See Solution

Problem 2888

Write the linear equation that gives the rule for this table. \begin{tabular}{|c|c|} \hline $x$ & $y$ \\ \hline 2 & 64 \\ \hline 3 & 74 \\ \hline 4 & 84 \\ \hline 5 & 94 \\ \hline \end{tabular}
Write your answer as an equation with y first, followed by an equals sign. $\square$ Submit
Work it out Not feeling ready yet? These can help: Write a linear equation from two points Find the slope from a table
Write an equation from a graph using a table Lesson: Linear functions Lesson: Slope

See Solution

Problem 2889

Select all the correct systems of equations.
Which systems of equations have no solution? $\begin{aligned} x+4 y & =23 \\ -3 x & =12 y+1 \end{aligned}$ $\begin{aligned} 2 x+y & =17 \\ -4 x & =2 y-34 \end{aligned}$ $\begin{aligned} 2 x+4 y & =22 \\ -x & =2 y-11 \end{aligned}$ $\begin{aligned} 3 y & =10-x \\ 2 x+6 y & =7 \end{aligned}$ $\begin{aligned} 2 x+y & =15 \\ x & =15-2 y \end{aligned}$ $\begin{aligned} y & =13-2 x \\ 4 x-y & =-1 \end{aligned}$

See Solution

Problem 2890

Write the linear equation that gives the rule for this table. \begin{tabular}{|c|c|} \hline $x$ & $y$ \\ \hline 0 & 73 \\ \hline 1 & 78 \\ \hline 2 & 83 \\ \hline 3 & 88 \\ \hline \end{tabular}
Write your answer as an equation with y first, followed by an equals sign. $\square$ Submit Work it out Not feeling ready yet? These can help:
Write a linear equation from two points Find the slope from a table
Write an equation from a graph using a table Lesson: Linear functions Lesson: Slope

See Solution

Problem 2891

Leaming Assessment \begin{tabular}{l} Write the linear equation that gives the rule for this table. \\ \begin{tabular}{cc|c} \hline \\ \hline \end{tabular} \\ \hline \end{tabular} \begin{tabular}{|c|c|} \hline $x$ & $y$ \\ \hline 2 & -36 \\ \hline 3 & -28 \\ \hline 4 & -20 \\ \hline 5 & -12 \\ \hline \end{tabular}
Write your answer as an equation with y first, followed by an equals sign. $\square$ Submit
Work it out Not feeling ready yet? These Write a linear equation from two points

See Solution

Problem 2892

Select the correct answer.
The elimination method is ideal for solving this system of equations. By which number must you multiply the second equation to eliminate the $y$ -variable, and what is the solution for this system? $\begin{array}{l} x+3 y=42 \\ 2 x-y=14 \end{array}$ A. Multiply the second equation by -3 . The solution is $x=12, y=9$ . B. Multiply the second equation by -2 . The solution is $x=12, y=10$ . C. Multiply the second equation by 2 . The solution is $x=15, y=9$ . D. Multiply the second equation by 3 . The solution is $x=12, y=10$ .

See Solution

Problem 2893

Write the linear equation that gives the rule for this table. \begin{tabular}{|c|c|} \hline $x$ & $y$ \\ \hline 1 & 1 \\ \hline 2 & -26 \\ \hline 3 & -53 \\ \hline 4 & -80 \\ \hline \end{tabular}
Write your answer as an equation with y first, followed by an equals sign. $\square$ Submit

See Solution

Problem 2894

Learn with an example or Watch a video
Find the $y$ -intercept of the line $y=\frac{6}{7} x-\frac{9}{8}$ . Write your answer as an integer or as a simplified proper or improper fraction, not as an ordered pair. $\square$ Submit

See Solution

Problem 2895

Which point of intersection is the solution to the system of equations $y=\frac{2}{5} x-\frac{1}{2}$ and $y=-\frac{1}{3} x+\frac{2}{3}$ ?

See Solution

Problem 2896

स5ा
Find the $y$ -intercept of the line $y=x-1$ . Write your answer as an integer or as a simplified proper or improper fraction, not as an ordered pair. $\square$ Submit Work it out Not feeling ready yet? This can help:

See Solution

Problem 2897

11
Type the correct answer in each box.
John sells plain cakes for $\$ 8$ and decorated cakes for $\$ 12$ . On a particular day, John started with a total of 100 cakes, and sold all but 4. His sales that day totaled $\$ 800$ .
He sold $\square$ plain cakes and $\square$ decorated cakes that day.

See Solution

Problem 2898

Find the $y$ -intercept of the line $y=-9 x+\frac{2}{9}$ . Write your answer as an integer or as a simplified proper or improper fraction, not as an ordered pair. $\square$ Submit Work it out

See Solution

Problem 2899

Find the slope of the line $y=-8 x-5$ . Write your answer as an integer or as a simplified proper or improper fraction. $\square$ Submit Work it out Not feeling ready yet? This can help: Lesson: Slope-intercept form

See Solution

Problem 2900

45. 46 Хоорондоо 63 км зайтай хоёр суурингаас хоёр явган хүн зэрэг гарч 9 цагийн дараа уулзж Харав 1 на 1.5 дахин хурдан, 1 нь 2 дахин хурдан явбал тэд 5 цаг 15 минутын дараа уулзах байсан бол хүн бүрийн хурдыг ол Онгон сум 780 км/ц хурдтай нисэж яваад ниссэн зайнаасаа 680 км-ээр бага зай үлдэж үед 230 китай писав Онгоцны бүх замын туршид явсан дундаж хурд 800

See Solution

1 ...26 27 28 29 30 31 32 ...39

Linearity

Problem 2801

You work 30 hours at \$8.25/hour and want to earn \$396 total. How many hours do you need to work landscaping?

Problem 2802

Solve 9x−5=9x−59x-5=9x-59x−5=9x−5 and check if there's a solution or if it's infinitely many solutions.

Problem 2803

Solve 4s−13=30s4s - 13 = 30s4s−13=30s. Check the solution; enter NO SOLUTION or INFINITELY MANY if applicable. What is sss?

Problem 2804

Is the equation 4x−1+8x=74x - 1 + 8x = 74x−1+8x=7 true? Yes or No.

Problem 2805

You work 30 hrs/wk at \$8.25/hr and want to earn \$396 total. How many hrs/wk at \$11.00/hr do you need to work?

Problem 2806

Which table matches the equation y=−2x+17y=-2x+17y=−2x+17?

Problem 2807

m+10=74m + 10 = 74m+10=74 donde mmm es la renta de Mai.

Problem 2808

Lena usó 2.6 litros de combustible y ahora tiene 3.89 litros. ¿Cuál era la cantidad inicial AAA? Escribe y resuelve la ecuación: A−2.6=3.89A - 2.6 = 3.89A−2.6=3.89.

Problem 2809

En una tienda, Hong ha hecho 5 compras y tiene 6.5 puntos. (a) Escribe una ecuación para hallar nnn, donde nnn son los puntos por compra: n×5=6.5n \times 5 = 6.5n×5=6.5.(b) Resuelve para nnn.

Problem 2810

Un mago alarga una cuerda 2.3 m y mide 9.16 m al final. (a) Escribe la ecuación: L+2.3=9.16L + 2.3 = 9.16L+2.3=9.16. (b) Resuelve para LLL. ¿Cuánto mide la cuerda al inicio?

Problem 2811

A grandmother's grandson is 2 years older than her granddaughter, and together they are at least 12 years old. Find their ages.

Problem 2812

Solve the system x+y=2x+y=2x+y=2 and x−y=3x-y=3x−y=3. What is the value of xxx?

Problem 2813

Determine the relationship between xxx and yyy for the equations y=2xy=2xy=2x and y=x+2y=x+2y=x+2.

Problem 2814

Solve the inequality 9>2x+59>2 x+59>2x+5 by ordering these steps: copy, subtract 5, simplify, divide by 2, simplify.

Problem 2815

The equation 10x=1010 x=1010x=10 has how many solutions?

Problem 2816

The population function is p(t)=0.4t+28.2p(t)=0.4t+28.2p(t)=0.4t+28.2. Which statement about the town's population growth is true? A) B) C) D)

Problem 2817

Find the slope and yyy-intercept for these equations: a) 7y+12x−2=07y + 12x - 2 = 07y+12x−2=0, b) 12x=6y+412x = 6y + 412x=6y+4.

Problem 2818

The Garza family drives to a park. The distance left is 315−55h315-55h315−55h. What does each part of this expression represent?

Problem 2819

Mark's age, xxx, is 6 times his age 2 years ago. Which equation is correct? 1) x=2x+6x=2 x+6x=2x+6 2) x=6x−2x=6 x-2x=6x−2 3) x=6(x−2)x=6(x-2)x=6(x−2) 4) x=6x+2x=6 x+2x=6x+2

Problem 2820

Allen traveled for 7 hours at 40 mph. How long did Anna take at 50 mph? Set up: 7(40)=x(50)7(40)=x(50)7(40)=x(50). Find xxx.

Problem 2821

Seven less than the quotient of xxx and 12 equals five times xxx. Which equation represents this? x12−7=5x\frac{x}{12}-7=5 x12x​−7=5x 7−x12=5x7-\frac{x}{12}=5 x7−12x​=5x x12−7+5x\frac{x}{12}-7+5 x12x​−7+5x 7−x12+5x7-\frac{x}{12}+5 x7−12x​+5x

Problem 2822

Iris charges a fee plus an hourly rate of 1151 \frac{1}{5}151​ times her fee. For a 7-hour job, she charged \$470. Find her fee and hourly rate.

Problem 2823

An aircraft consumes fuel at 7lbs/7 \mathrm{lbs} /7lbs/ minute. If it used 560 lbs, how long was the flight?

Problem 2824

Solve for xxx in the equation s=u−xfs=\frac{u-x}{f}s=fu−x​. What is xxx?

Problem 2825

Harry's current age plus his age next year equals 15. How old will he be in 13 years?

Problem 2826

Janelle hikes a 33-mile trail with a distance ratio walked to left as 4:74:74:7. How many miles has she walked?

Problem 2827

Eight times a number, xxx, equals one-third of the sum of the number and two. Which equation represents this? 8x=13(x+2)8 x=\frac{1}{3}(x+2)8x=31​(x+2)

Problem 2828

Cindy's age, xxx, is 3 times her age 6 years ago. Which equation is correct? 1. x=3x+6x=3 x+6x=3x+6 2. x=3(x−6)x=3(x-6)x=3(x−6) 3. x=3−6xx=3-6 xx=3−6x 4. x=3x−6x=3 x-6x=3x−6

Problem 2829

Ben works 4 hours daily and earns the same total as Allen. What is Ben's hourly wage? Set up: 8(10)=4(x)8(10)=4(x)8(10)=4(x) Identify: Ben's wage is the unknown. Strategize: Let x=x=x= Ben's unknown wages. Solve: x=20x=20x=20 Check: 8(10)=4(20)8(10)=4(20)8(10)=4(20)

Problem 2830

Determine if the lines y=x+3y=x+3y=x+3 and y=2x+3y=2x+3y=2x+3 are parallel.

Problem 2831

Determine if the lines y+5x=1y + 5x = 1y+5x=1 and y=5x+4y = 5x + 4y=5x+4 are parallel.

Problem 2832

Find the value of aaa for the parallel lines y=4x−5y=4x-5y=4x−5 and y=ax+2y=ax+2y=ax+2.

Problem 2833

Find the line parallel to y=−3x+7y=-3x+7y=−3x+7 that passes through the point (1,3)(1,3)(1,3).

Problem 2834

Find the slope of the line given by the equation y=5x−4y=5x-4y=5x−4.

Problem 2835

Find the yyy-coordinate for the line x=2y+1x = 2y + 1x=2y+1 when x=−1x = -1x=−1.

Problem 2836

Find the yyy-intercept of the equation 10x+3y=1210x + 3y = 1210x+3y=12.

Problem 2837

Find the line equation with slope -3 passing through the point (1,−2)(1,-2)(1,−2).

Problem 2838

Use row operations to solve the system: 5x1x_{1}x1​ + 10x2x_{2}x2​ = 15 3x1x_{1}x1​ + 7x2x_{2}x2​ = 6 Provide the solution as an ordered pair.

Problem 2839

Do the planes x1+4x2+x3=5x_{1}+4 x_{2}+x_{3}=5x1​+4x2​+x3​=5, x2−x3=1x_{2}-x_{3}=1x2​−x3​=1, and 2x1+10x2=82 x_{1}+10 x_{2}=82x1​+10x2​=8 intersect at a common point? A, B, or C?

Problem 2840

Solve $9x-5=9x-5$ and check if there's a solution or if it's infinitely many solutions.

Solve $4s - 13 = 30s$ . Check the solution; enter NO SOLUTION or INFINITELY MANY if applicable. What is $s$ ?

Is the equation $4x - 1 + 8x = 7$ true? Yes or No.

Which table matches the equation $y=-2x+17$ ?

$m + 10 = 74$ donde $m$ es la renta de Mai.

Lena usó 2.6 litros de combustible y ahora tiene 3.89 litros. ¿Cuál era la cantidad inicial $A$ ? Escribe y resuelve la ecuación: $A - 2.6 = 3.89$ .

En una tienda, Hong ha hecho 5 compras y tiene 6.5 puntos.
(a) Escribe una ecuación para hallar $n$ , donde $n$ son los puntos por compra: $n \times 5 = 6.5$ .
(b) Resuelve para $n$ .

Un mago alarga una cuerda 2.3 m y mide 9.16 m al final.
(a) Escribe la ecuación: $L + 2.3 = 9.16$ .
(b) Resuelve para $L$ . ¿Cuánto mide la cuerda al inicio?

Solve the system $x+y=2$ and $x-y=3$ . What is the value of $x$ ?

Determine the relationship between $x$ and $y$ for the equations $y=2x$ and $y=x+2$ .

Solve the inequality $9>2 x+5$ by ordering these steps: copy, subtract 5, simplify, divide by 2, simplify.

The equation $10 x=10$ has how many solutions?

The population function is $p(t)=0.4t+28.2$ . Which statement about the town's population growth is true? A) B) C) D)

Find the slope and $y$ -intercept for these equations: a) $7y + 12x - 2 = 0$ , b) $12x = 6y + 4$ .

The Garza family drives to a park. The distance left is $315-55h$ . What does each part of this expression represent?

Mark's age, $x$ , is 6 times his age 2 years ago. Which equation is correct? 1) $x=2 x+6$ 2) $x=6 x-2$ 3) $x=6(x-2)$ 4) $x=6 x+2$

Allen traveled for 7 hours at 40 mph. How long did Anna take at 50 mph? Set up: $7(40)=x(50)$ . Find $x$ .

Seven less than the quotient of $x$ and 12 equals five times $x$ . Which equation represents this? $\frac{x}{12}-7=5 x$ $7-\frac{x}{12}=5 x$ $\frac{x}{12}-7+5 x$ $7-\frac{x}{12}+5 x$

Iris charges a fee plus an hourly rate of $1 \frac{1}{5}$ times her fee. For a 7-hour job, she charged \$470. Find her fee and hourly rate.

An aircraft consumes fuel at $7 \mathrm{lbs} /$ minute. If it used 560 lbs, how long was the flight?

Solve for $x$ in the equation $s=\frac{u-x}{f}$ . What is $x$ ?

Janelle hikes a 33-mile trail with a distance ratio walked to left as $4:7$ . How many miles has she walked?

Eight times a number, $x$ , equals one-third of the sum of the number and two. Which equation represents this? $8 x=\frac{1}{3}(x+2)$

Cindy's age, $x$ , is 3 times her age 6 years ago. Which equation is correct?
1. $x=3 x+6$
2. $x=3(x-6)$
3. $x=3-6 x$
4. $x=3 x-6$

Ben works 4 hours daily and earns the same total as Allen. What is Ben's hourly wage?
Set up: $8(10)=4(x)$ Identify: Ben's wage is the unknown. Strategize: Let $x=$ Ben's unknown wages. Solve: $x=20$ Check: $8(10)=4(20)$

Determine if the lines $y=x+3$ and $y=2x+3$ are parallel.

Determine if the lines $y + 5x = 1$ and $y = 5x + 4$ are parallel.

Find the value of $a$ for the parallel lines $y=4x-5$ and $y=ax+2$ .

Find the line parallel to $y=-3x+7$ that passes through the point $(1,3)$ .

Find the slope of the line given by the equation $y=5x-4$ .

Find the $y$ -coordinate for the line $x = 2y + 1$ when $x = -1$ .

Find the $y$ -intercept of the equation $10x + 3y = 12$ .

Find the line equation with slope -3 passing through the point $(1,-2)$ .

Use row operations to solve the system:
5 $x_{1}$ + 10 $x_{2}$ = 15 3 $x_{1}$ + 7 $x_{2}$ = 6
Provide the solution as an ordered pair.

Do the planes $x_{1}+4 x_{2}+x_{3}=5$ , $x_{2}-x_{3}=1$ , and $2 x_{1}+10 x_{2}=8$ intersect at a common point? A, B, or C?

Find the $y$ -intercept of the equation $8x + 3y = 15$ .

Find the $x$ -coordinate for the line $x=3y-5$ when $y=2$ .

Find the slope and $y$ -intercept value of the line: $y=3x-8$ .

Find the line equation with slope -2 passing through the point $(4,-7)$ .

Find the line parallel to $y=3x+6$ that passes through the point $(3,2)$ . What is its equation?

Use row operations to solve the system: 5 $x_1$ + 10 $x_2$ = 15, 3 $x_1$ + 7 $x_2$ = 6.

Choose values for $h$ and $k$ so the system has no solution, a unique solution, or many solutions.
1. $x_{1}+h x_{2}=3$
2. $2 x_{1}+6 x_{2}=k$
a. Fill in the blanks for when there are no solutions.

Use row operations to solve the system:
7x₁ + 14x₂ = -21 4x₁ + 5x₂ = 6

Brian made 4 purchases earning 9.6 points. Find points per purchase $n$ using the equation $4n = 9.6$ and solve for $n$ .

Choose $h$ and $k$ for the system to have (a) no solution, (b) a unique solution, and (c) many solutions. $\begin{array}{r} x_{1}+h x_{2}=5 \\ 4 x_{1}+8 x_{2}=k \end{array}$

Use the rule $y=4x+5$ to find $y$ values for $x=1, 2, 4, 7$ . Fill in the table with these results.

Use the function $y=2x-1$ to find $y$ for $x=2, 5, 6, 7$ . Fill in the missing values.

Solve the equation $1 - 4x - 7 - 3x + 4 = 25$ .

Find $y$ using $m=10$ , $x=3$ , and $b=8$ in the equation $y=m x+b$ .

10. The ratio of pencils to pens in a box is 3 to 2 . If there are 30 pencils and pens altogether, how many penclls are there? (c) 16 (1) 17 - 18
19

Find the slope of the line that passes through $(1,13)$ and $(8,9)$ . Simplify your answer and write it as a proper fraction, improper fraction, or integer. $\square$ Submit

Find an ordered pair $(x, y)$ that is a solution to the equation. $\begin{array}{l} 3 x+y=5 \\ (x, y)=(\square, \square) \end{array}$

$\begin{array}{l}-5 x-y+2 z=4 \\ 4 x+9 y-5 z=-12 \\ 2 x-5 y+z=2\end{array}$

27. Нийлбэр нь 156 -тай тэнцүү гурван тооны I нь II-тайгаа $3: 2$ , II нь III-тай $2: 7$ харьцаа уүсгэдэг бол эдгээр тоог ол.

32. Гурван тоо $1 \frac{1}{3}: \frac{5}{6}: \frac{2}{3}$ харьцаа үүсгэнэ. II тоо III-аасаа 12 -оор их бол эдгээр тоог ол.

For $f(x)=-4 x+5$ , find each value. Progress: 0/2
Part 1 of 2 (a) $f(5)+2=$