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2 years ago

14

I WILL GIVE 69 POINTS AND BRAINLIEST TO WHOEVER ANSWERS ALL 5 QUESTIONS

2 answers:

irina [24]2 years ago

7 0

You can only see the top sentence

Aneli [31]2 years ago

7 0

The first answer is c I believe

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Find the value of x:

cluponka [151]

5x - 20 = 8x - 65
-20 = 3x - 65
3x = 45
x = 15

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2 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:

<u>Change in pay:</u>

12.75 - 11.50 = 1.25

<u>Percent of change:</u>

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

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2 years ago

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Francis can buy 7 shirts for $42 or 8 shirts for $48. How much will she pay for nine?

Delvig [45]

Answer:

$54

Step-by-step explanation:

$42/7=6\\48/8=6\\x/9=6\\x=54$

Hope this helped :D

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2 years ago

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Solve for the value of x 3x - 9 + 12 - 6x = -18

Zinaida [17]

Answer:

x=7

Step-by-step explanation:

$3x-9+12-6x=-18$

now let’s put together the like terms

$3-3x=-18$

$-3x=-21$

now we divide $-21$ By $-3$

the result is

$x=7$

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3 years ago

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What number should be added to both sides of the equation to complete the square?

Studentka2010 [4]

Answer:

16

Step-by-step explanation:

Given

x² + 8x = 4

To complete the square

add ( half the coefficient of the x- term )² to both sides

x² + 2(4)x + 16 = 4 + 16, thus

(x + 4)² = 20 ← equivalent equation

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3 years ago