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hichkok12 [17]
3 years ago
6

If y varies directly as x, and y is 20 when x is 4, what is the constant of variation for this relation?

Mathematics
2 answers:
Nuetrik [128]3 years ago
6 0
The variation would be x5. 4*5=20
Levart [38]3 years ago
6 0

Answer: 5

Step-by-step explanation:

Let k be the constant of variation for this relation.

If y varies directly as x, then the equation of direct variation is given by ;-

y=kx, where k is the constant of variation for the relation.

\Rightarrow\ k=\dfrac{y}{x}

Now, for the given value of y = 20 and x=4, the value of  constant of variation is given by :-

\Rightarrow\ k=\dfrac{20}{4}=5

Hence, the value of constant of variation for this relation k = 5.

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The volume of the pyramid would be 2406.16 cubic cm.

<h3>How to find the volume of a square-based right pyramid?</h3>

Supposing that:

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