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Damm [24]
3 years ago
9

How to solve a\10=-10

Mathematics
1 answer:
koban [17]3 years ago
4 0

Answer:

a = - 100

Step-by-step explanation:

Given

\frac{a}{10} = - 10

Multiply both sides by 10 to clear the fraction

a = 10 × - 10 = - 100

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You are designing a rectangular garden. the garden will be enclosed by fencing on three sides and by a house on the fourth side.
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Suppose the dimensions of the rectangle is x by y and let the side enclosed by a house be one of the sides measuring x, then the sides that is to be enclosed are two sides measuring y and one side measuring x.

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The area of the rectangle is given by xy,

i.e.

xy = 288  \\  \\  \\  \\ \Rightarrow y= \frac{288}{x}

Substituting for y into the equation for the length of fencing needed, we have

P=x+2\left( \frac{288}{x} \right)=x+ \frac{576}{x}

For the amount of fencing to be minimum, then

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Now, recall that

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Thus, the length of fencing needed is given by

P = x + 2y = 24 + 2(12) = 24 + 24 = 48.

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