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Kisachek [45]
3 years ago
13

-7 (-1-m)????????????????????

Mathematics
1 answer:
juin [17]3 years ago
8 0
-7(-1-m)
First: You would distribute your -7 to your -1 and your -m
Note: A positive and a positive makes a negative.
You would get: 7m+7 as your answer
HOPE THIS HELPS! ^_^
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Please include step by step instruction, so I can learn how to solve the problem. Thank you
Yuki888 [10]

9514 1404 393

Answer:

  A, C

Step-by-step explanation:

First of all, recognize that any basic arithmetic operation between a rational number and an irrational number will have an irrational result. That means, you can eliminate any answer choices that involve an irrational number.

Fractions and mixed numbers involving integers are <em>always rational</em>, so you only need to look at the radicals. You know 9 is 3×3, so is a perfect square, and √9 = 3 is rational. You know 5 is not a perfect square, so <em>√5 is irrational</em>.

Considering the above, any expression involving √5 will have an irrational result. That means you can eliminate choices B and D.

  choices A and C will result in a rational number

_____

<em>Additional comment</em>

  A = 6.8 +0.75 = 7.55 (rational)

  C = 6.8 × 0.75 = 5.100 (rational)

7 0
2 years ago
Need help finding the answer.
Bingel [31]

Answer:

angle 2= 52.7° (same as angle 4)

angle 1 and angle 3 = 127.3°

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Aaron bought a new TV for $1,224. He is paying it off over a period of 12 months. How much will Aaron pay per month for his new
boyakko [2]

1224 / 12 = 102

He will be paying $102 a month for his TV

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Tpy6a [65]

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Step-by-step explanation:

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-16y = -12x + 48

y = .75x -3

The rate of change is .75 or 3/4.

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