Llcoolbeans9794 Llcoolbeans9794
  • 06-10-2021
  • Mathematics
contestada

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

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namwanjemacklineeliz
namwanjemacklineeliz namwanjemacklineeliz
  • 06-10-2021

Answer:

f=40

Step-by-step explanation:

f=28, a=7

[tex]f \infty a \\ f = ka \\28 = k(7) \\ 28 = 7k \\ \frac{28}{7} = \frac{7k}{7} \\ 4 = k \\ k = 4 \\ f = 4a \\ a = 10 \\ f = 4(10) \\ f = 40[/tex]

Hope that this is helpful.

Have a nice day.

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bob6720 bob6720
  • 06-10-2021
F=40
Don’t really know how to explain it tho
Answer Link

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