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Lynna [10]
4 years ago
8

If y= 1/4x and x = -12, find y.

Mathematics
2 answers:
11111nata11111 [884]4 years ago
6 0

Answer:

y = -3

Step-by-step explanation:

y= 1/4x and x = -12

Substitute x=12 into the first equation

y = 1/4(-12)

y = -3

tangare [24]4 years ago
4 0

Answer:

-3

Step-by-step explanation:

1/4 x -12

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Simplify the problem thank you
NikAS [45]

Given the expression:

\displaystyle \large{ \sqrt[3]{ - 125} }

Definition:

\displaystyle \large{ y  = \begin{cases}   \pm \sqrt[n]{x}  \longrightarrow n  = (2,4,6,8,...)  \:  \: (x \geqslant 0) \\   \sqrt[n]{x}\longrightarrow n = (1,3,5,7,...) \:  \: (x \in \R) \end{cases}}

First, factor the -125. -125 comes from (-5)×(-5)×(-5) or (-5)^3.

\displaystyle \large{ \sqrt[3]{ ( - 5) \times ( - 5) \times ( - 5)} }

Because if (-5)^2 = 25 then 25×(-5) again will be -125.

Since this is the cube root, we have to pull out 3 terms in one. There are 3 fives that we can take off and therefore,

\displaystyle \large \boxed{ - 5}

5 0
3 years ago
Read 2 more answers
cindy had 12 black shoes and 4 red shoes in her closet. what is the ratio of red shoes to black shoes?
qwelly [4]

Answer:

the answer is B because 3x4 is 12

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4 years ago
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