3 years ago

Set up the appropriate function to be maximized or minimized.

Mathematics

1 answer:

rosijanka [135]3 years ago

8 0

I would have to say is $14 per foot

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Answer:

Step-by-step explanation:

let the cost of apple pie be $x$ and the cost of chocolate pie be $y$ .

We then express the situation as:

$2y+4x=38\ \ \ \ \ \ ...eqtn1\\\\14y+12x=138\ \ \ \....eqtn2$

#Make y the subject of the formula in equation 1 then substitute in 2:

$2y=38-4x\\y=19-2x\\\\\therefore 14(19-2x)+12x=138\\\ \ 266-28x+12x=138\\\ \ 128=16x\\x=8\\\\y=19-2\times8=3$

Hence, the cost of a chocolate pie is $3

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What is b^2 = 49 on khan academy

pogonyaev

Answer:

b=7

Step-by-step explanation:

7 squared is 49, so b equals 7. I hope that was what you were looking for, and that it helps.

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