$-5x+y=-3 \ \ \ |\times 8 \\
3x-8y=24 \\ \\
-40x+8y=-24 \\
\underline{3x-8y=24 \ \ \ \ \ \ \ } \\
-40x+3x=24-24 \\
-37x=0 \ \ \ |\div (-37) \\
x=0 \\ \\
3x-8y=24 \\
3 \times 0 -8y=24 \\
-8y=24 \ \ \ |\div (-8) \\
y=-3 \\ \\
\boxed{(x,y)=(0,-3)}$

6 0

3 years ago

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In 2009, Jennifer made $11.50 an hour, and in 2010, she made $12.75 an hour. What is the percent of change in Jennifer’s pay per

PolarNik [594]

Answer:

10.87%

Step-by-step explanation:

Change in pay:

12.75 - 11.50 = 1.25

Percent of change:

1.25/11.50*100% = 10.87% (rounded)

3 0

3 years ago

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Find the value of x. help pls !

Ad libitum [116K]

Answer:

Step-by-step explanation:

7 0

3 years ago

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What is 4/7 times 5/p

Phantasy [73]

Answer:

p = 35/4 = 8.750

Step-by-step explanation:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

4/7-(5/p)=0

6 0

3 years ago