elyseellison elyseellison

22-05-2024
Mathematics

Answered

Y=kx
If y=72 when x=80
What is the value of k

Answer :

jimrgrant1 jimrgrant1

22-05-2024

Answer:

k = [tex]\frac{9}{10}[/tex] = 0.9

Step-by-step explanation:

given

y = kx

substitute y = 72 and x = 80 into the equation

72 = 80k ( divide both sides by 80 )

[tex]\frac{72}{80}[/tex] = k , then

k = [tex]\frac{9}{10}[/tex] = 0.9

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