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Aleonysh [2.5K]
3 years ago
8

Which description represents the absolute value of-5?

Mathematics
2 answers:
Aleksandr [31]3 years ago
8 0

Answer:

A. the distance between 0 and -5 on a number line

Step-by-step explanation:

The absolute value is the positive form of an integer. In this case it would be 5. I believe the answer is A because the distance between 0 and -5 on a number line is 5.

mixas84 [53]3 years ago
4 0

Answer:

the distance bettwen 0 and -5 on a number line

Step-by-step explanation:

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If the square of twice a number is 81, what is the number? I tried doing 2x^2=81 but that did not come out to the answer 4.5,-4.
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If the number is n then

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(2n)²
that was your mistake, because (2n)²=4n², not 2n²

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divide by 2
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4 years ago
If y = kx, and x = 3 and y = 15, calculate k.
kenny6666 [7]

Answer:

k = 5

Step-by-step explanation:

Since the equation is y = kx and x equals 3 while y equals 15, in order to solve this equation we are going to have to substitute the variables with their answers:

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Now to check our work we are going to substitute 5 for the variable k, 3 for the variable x and 15 for the variable y.

y = kx

15= (5)(3)

15 = 15

Tada, I hope this helps you!

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