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zvonat [6]
3 years ago
14

A bicycle store costs ​$3150 per month to operate. The store pays an average of ​$65 per bike. The average selling price of each

bicycle is ​$155. How many bicycles must the store sell each month to break​ even?
Mathematics
1 answer:
OLga [1]3 years ago
6 0

Answer: 35

Step-by-step explanation:

-3150M-65b+155b

-3150m+92b

3150/92= 34.23913043 so about 35

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(sorry if it's too late and you've already figured it out, but here you go anyway)
The easiest way to do this is to start by FOILing then add.
So just start with (x-1)(x-1)
(x-1)(x-1)
Front: (x*x) = x^2
Outer: (x*-1) = -x
inner: (-1*x) = -x
Last: (-1*-1) = 1
Added: x^2 -2x +1
Now take that answer and do the same thing with (x-1). It's basically the same thing, just with an added thing you need to multiply.
(x-1)(x^2-2x+1)
(x*x^2) = x^3
(x*2x) = 2x^2
(x*1) = x
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(-1*-2x) = 2x
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Now add everything together:
x^3+2x^2+x-x^2+2x-1
The answer is:
x^3+x^2+3x-1
3 0
2 years ago
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wel

Answer:

Step-by-step explanation:

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Given p(x) = 78500(1.02^x), we can compare to the exponential function form to see that ...

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The increase per year is the value of 'b' with 1 subtracted:

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