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3 years ago

8

1. 8 x (-7)

1 answer:

iogann1982 [59]3 years ago

5 0

Is x a variable in these problems or is x acting as a multiplication sign?

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3/4, -7/10, -3/4, 8/10 least to greatest

lesya [120]

-7/10 -3/4 8/10 3/4
least/middle/middle/greatest

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3 years ago

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How to solve -4{1-2x}-1=7x

mina [271]

Answer:

<h2>x = 5</h2>

Step-by-step explanation:

$-4(1-2x)-1=7x\qquad\text{use the distributive property}\ a(b+c)=ab+ac\\\\(-4)(1)+(-4)(-2x)-1=7x\\\\-4+8x-1=7x\qquad\text{combine like terms}\\\\8x+(-4-1)=7x\\\\8x-5=7x\qquad\text{add 5 to both sides}\\\\8x-5+5=7x+5\\\\8x=7x+5\qquad\text{subtract}\ 7x\ \text{from both sides}\\\\8x-7x=7x-7x+5\\\\x=5$

7 0

3 years ago

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BEST ANSWER GETS BRAINLIEST!!!!PLEASE HELLPP

Sonja [21]

1/3b = 4/5
Do the cross multiplication
1(5) = 3b(4)
5=12b
<span>b=5/12</span>

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3 years ago

What are compatible numbers?

posledela

Numbers that are close in value to the actual numbers.

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3 years ago

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What is the percent of change from 2000 to 300?

abruzzese [7]

Answer:

50%

Step-by-step explanation:

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8 0

3 years ago