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True [87]
1 year ago
14

What are the answers please help!

Mathematics
1 answer:
Softa [21]1 year ago
6 0

Answer: A, C, D

Step-by-step explanation:

A) Correct. They factored out 5.

C) Correct. They factored out 10.

D) Correct. They factored out -5.

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5000/210= with the remainder as a fraction
Softa [21]
The answer is 23 4/5
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3 years ago
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Solve the radical equation x – 7 = square root of -4x+28. Which statement is true about the solutions to the radical equation? T
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Answer:

x = 3 and 7

There are two true solutions.

Step-by-step explanation:

To solve x-7 = \sqrt{-4x+28}, use inverse operations by squaring both sides of the equal sign.

(x-7)^2 = (\sqrt{-4x+28})^2\\x^2-14x+49 = -4x+28\\x^2-14x+4x+49-28 = 0\\x^2-10x+21=0

The quadratic expression can be factored into binomials and set equal to 0 by the zero product property to find x.

(x - 3) ( x - 7) = 0

x-3 = 0 so x=3

x-7 = 0 so x=7

Now check each solution into the original equation to be sure it solve the solution and is not extraneous.

7-7 = \sqrt{-4(7)+28}\\ 0=0

and

3-7 = \sqrt{-4(3)+28}\\[tex]-4 = \sqrt{16}\\-4 =-4[/tex]

3 0
3 years ago
Distribute. 5(b - 1)
pshichka [43]

Answer:

5b-5

Step-by-step explanation:

5(b - 1)

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5b-5

4 0
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Find the slope of the line passing through the points (-6,7) and (-8,5)
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Answer:

Slope = 1

Step-by-step explanation:

4 0
2 years ago
What forms of the following equation in?<br><br> y+5=7(x−3)
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I think it would be -26
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2 years ago
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