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krok68 [10]
3 years ago
11

PLEASE HELP MY BRAIN IS SQUASHED!!!!

Mathematics
1 answer:
statuscvo [17]3 years ago
4 0

Answer:

That’s sad. Option c

Step-by-step explanation:

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When 10 b = 5 (StartRoot c EndRoot + 2) is solved for c, one equation is c = (2b minus 2) squared Which of the following is an e
Burka [1]

Answer:

I will show all the steps to lead to the solution.

1) 10b = 5 (√c + 2)  <---- starting equation

2) divide by 5 => 2 b = √c + 2

3) subtract 2 => 2b - 2 = √c

4) raise to the power 2 => (2b - 2)^2 = c, which is the expression given.

Now these are two equivalent forms:

1) extract 2 from the parentheses: c = 4 (b -1)^2

2) expand the parentheses: c = 4b^2 - 8b + 4)

Step-by-step explanation:

Choice D

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3 years ago
Numbers AMBER<br> 1<br> Explain how we know V30 lies between 5 and 6.
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Answer:

see explanation

Step-by-step explanation:

5² = 25 and 6² = 36

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Then

25 < 30 < 36

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50*x=80 (x=percent in decimal form)

x=1.6 (divide both sides by 50)

Doubke check:

50*1.6=80

80=80

Convert 1.6 into a percent:

1.6 -> 160%


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