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kobusy [5.1K]
4 years ago
11

What is the answer to 3(m-4)-6(2m-1)

Mathematics
2 answers:
Cerrena [4.2K]4 years ago
7 0
3(m-4)-6(2m-1)
Distibuthing 3 through prantheses
3m-3*4-6(2m-1)
3m-12-6(2m-1)
Distributhing  6 through parantheses
3m-12-6*2m+6
3m-12-12m+6
3m-6-12m
-9m-6
Nana76 [90]4 years ago
6 0
3(m-4)-6(2m-1)= \\ \\ 3m-12-12m+6=\\ \\ \boxed{-9m-6}
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Step-by-step explanation:

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A storage shed is to be built in the shape of a box with a square base. It is to have a volume of 567567 cubic feet. The concret
adell [148]

Answer:

length of the base = 9 ft

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Step-by-step explanation:

given data

volume =  567 cubic feet

base costs = ​$2 per square​ foot

roof costs ​= $5 per square​ foot

sides costs ​$4.50 per square foot

solution

we take here length of the base = x ft

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so Volume will be express as

volume = x²× y

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y =  \frac{567}{x^2}

and

we know  cost of material is express as here

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put here value

cost  = x²(2) + x²(5)  + 4xy (4.5)

cost = 7x² + 18xy

put here y  value

cost =   7x² + 18 x ( \frac{567}{x^2} )

differentiate and  we get

C' = 14x - \frac{10206}{x^2}  

we put here C' = 0 and we get

14x - \frac{10206}{x^2}   = 0

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4 0
4 years ago
The number y of raccoons in an area after x years can be modeled by the function y= 0.4x^2+2x+2. When were there about 50 raccoo
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Answer:

9 years.

Step-by-step explanation:

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= (-2 +/- sqrt 9) / 0.8

=  8.74 , - 13.75   (ignore the negative).

So it's 9 years.

7 0
3 years ago
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