If f =28 when a = 7 find f when a is 10 (direct proportion)

asked Sep 1, 2022 207k views

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2 votes

F=40
Don’t really know how to explain it tho

Nga answered Sep 1, 2022

by Nga

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4 votes

Answer:

f=40

Explanation:

f=28, a=7

$f \infty a \\ f = ka \\28 = k(7) \\ 28 = 7k \\ (28)/(7) = (7k)/(7) \\ 4 = k \\ k = 4 \\ f = 4a \\ a = 10 \\ f = 4(10) \\ f = 40$

Hope that this is helpful.

Have a nice day.

Phitsch answered Sep 6, 2022

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