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UkoKoshka [18]
3 years ago
12

Rewrite in simplest terms: -8(-2a+4a-8)-7a

Mathematics
1 answer:
Ksenya-84 [330]3 years ago
6 0

Answer:

-23a + 64

Step-by-step explanation:

-8(-2a + 4a - 8) - 7a

First combine like terms

-8(2a - 8) - 7a

Then distribute

-16a + 64 -7a

Combine like terms

-23a + 64

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Answer:

b= 1421/956

Step-by-step explanation:

  1. 9.14b +0.42 = 9.56b
  2. 9.56b - 8.3 = 5.91
  3. 9.56b= 5.91 +<u>8</u><u>.</u><u>3</u>
  4. 9.56b = 14.21
  5. Now devide both sides by 9.56
  6. Your Final answer is: b= 1421/956
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The area is A = 1/2(8+11)*12.

A = 1/2 (19)*12 = 104.5

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