2 years ago

10f – 6 – 10f = -8(-2f - 10) + 10

Mathematics

1 answer:

netineya [11]2 years ago

8 0

Answer:

f= -6 i think

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Answer: Our required formula becomes :

$a=f(b)=-13-\frac{7}{4}b$

Step-by-step explanation:

Since we have given that

$4a+7b=-52\\$

We need to write a formula for f(b) in terms of b So, it becomes

$4a=-52-7b\\\\a=\frac{-52-7b}{4}\\\\a=\frac{-52}{4}-\frac{7b}{4}\\\\a=-13-\frac{7b}{4}$

Hence, our required formula becomes :

$a=f(b)=-13-\frac{7}{4}b$

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Step-by-step explanation:

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Cost per kg=(total cost)/(total kg)

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