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Mamont248 [21]
3 years ago
13

This math problem. Help

Mathematics
2 answers:
Nataliya [291]3 years ago
5 0

Answer:

Try 0

Step-by-step explanation:

Helga [31]3 years ago
4 0

Answer:

0

Step-by-step explanation:

Plug in the corresponding numbers to the corresponding variables. Note that:

y = 9

z = 0

Plug in 9 for y, 0 for z.

(2z)/y = (2(0)/(9) = (0)/9 = 0

0 is your answer.

~

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1. Direct variation
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(1) y = 7x , (2) y = 11x , (3) y = 9x , (4) y = 28x

given y varies directly as x then y = kx ( k is the constant of variation )

(1) find k using the given conditions k = \frac{y}{x} = \frac{63}{9} = 7

equation is y = 7x

(2) k = \frac{121}{11} = 11

equation is y = 11x

(3) k = \frac{36}{4} = 9

equation is y = 9x

(4) k = \frac{224}{8} = 28

equation is y = 28x


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Step-by-step explanation:

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