3 years ago

Help me please BRAINLIEST REWARD!

Mathematics

1 answer:

hichkok12 [17]3 years ago

6 0

Answer:

see explanation

Step-by-step explanation:

Given that t and w vary inversely then the equation relating them is

t = $\frac{k}{w}$ ← k is the constant of variation

To find k use the condition t = $\frac{1}{5}$ when w = 4

k = tw = $\frac{1}{5}$ × 4 = $\frac{4}{5}$

t = $\frac{4}{5w}$ ← equation of variation

When w = 9, then

t = $\frac{4}{5(9)}$ = $\frac{4}{45}$

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