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marshall27 [118]
3 years ago
5

If y = kx, what is the value of k if y = 20 and x = 0.4? A)5 B)8 C)9.6 D)50

Mathematics
2 answers:
lara31 [8.8K]3 years ago
7 0

Given expression :

  • y = kx

let's plug the value of x as 0.4 and y as 20 in the given equation :

  • 20 = 0.4k

  • k = 20 ÷ 0.4

  • k = 50

correct choice - D. 50

JulsSmile [24]3 years ago
5 0

\\ \sf\longmapsto y=kx

\\ \sf\longmapsto k=\dfrac{y}{x}

  • put values

\\ \sf\longmapsto k=\dfrac{20}{0.4}

\\ \sf\longmapsto k=50

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