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nikitadnepr [17]
3 years ago
6

What is the measure of c? A. 20 B. 14 C. 16 D. 22

Mathematics
1 answer:
Harman [31]3 years ago
5 0

Answer:

A

Step-by-step explanation:

The measurements of the segments fall on similar triangles. This means the lengths of each segment can be found using proportions.

Remember, a proportion is an equation which sets equal ratios equal to each other.

\frac{c}{k}=\frac{a}{j}\\\\\frac{c}{32}= \frac{15}{24}

To solve for c, multiply numerators and denominators across the equal sign:

24c = 32(15)

24c = 480

c = 20

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Vera_Pavlovna [14]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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10m/s

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Answer :

C

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Answer:

The  value  is  C \approx \$76

Step-by-step explanation:

From the question we are told that

   The  area of the rectangular pen is  A =  24 \ yard^2

     The  cost of material used to make one side is  z = \$ 6

    The  cost of material used to make the other sides is  r  =  \$ 3

Now  , the fence to be build around the rectangular pen  has four sides, the first opposite sides are equal, let assume each of the to be x yard   and the other opposite sides are also equal as well let assume of the to be y yard

So the cost is mathematically represented as

       C =  zx  +  r (x + 2y )

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=>   C =   9x  +  6y

Now the area of the fence is mathematically represented as

      A =  x* y =  24

=>    y  =  \frac{24}{x}

=>  C =   9x  +  6[\frac{24}{x} ]

=>   C =   9x  +  [\frac{144}{x} ]

Now differentiating

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     C'  =  9 - 288x^{-2}

At minimum C' =  0

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Now substituting for x in the equation above to obtain minimum cost

       C =   9(5.66)  +  [\frac{144}{5.66} ]

       C \approx \$76

   

 

8 0
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Answer:

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Step-by-step explanation:

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