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4 years ago

What's the answer to -7(3m-4)+2

1 answer:

3 0

-7(3m - 4) + 2

First, expand to get rid of parentheses. / Your problem should look like: $-21m + 28 + 2$
Second, add 28 + 2. / Your problem should look like: $-21m + 30$

Answer: -21m + 30

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Answer:

B) y = - $\frac{1}{4}$ x + 2

Step-by-step explanation:

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3 years ago

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barxatty [35]

Answer:

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Step-by-step explanation:

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3 years ago

Need 4 and 5 done asap! pls and thank you

NeX [460]

Problem 4:

4a = -15

4b = -75

4c = 125

Problem 5:

5a = -5

5b = 95

5c = -19 $\frac{1}{3}$

Step-by-step explanation:

See attached for my work.

For problem 4, we substitute the different values given for x and solve.

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3 years ago

What is the first step in solving the quadratic equation -5x^2+8=133?

bezimeni [28]

Answer:

a) subtracting '8' on both sides, we get

- 5 x² + 8-8 = 133-8

- 5 x² = 125

b) The solution is x = 5 i

Step-by-step explanation:

Explanation:-

Step (i):-

Given quadratic equation - 5 x² + 8 = 133

subtracting '8' on both sides, we get

- 5 x² + 8-8 = 133-8

- 5 x² = 125

Step(ii):-

dividing '-5' on both sides, we get

$\frac{-5 x^2}{-5} = \frac{125}{-5}$

x² = -25

$x = \sqrt{-25}$

x = 5 i

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4 years ago

Read 2 more answers

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3 years ago