Tow decimals that are equivalent to 7.7.

1 answer:

5 0

7.7 is equivalent to its self, and you can only make more equivalents by adding zero’s on either side, it’s better to add after decimal.

1. 7.70
2. 7.700

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Determine the solution to the equation. 2(9x - 6) = 6(3x - 2) + 2

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2 years ago

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2 years ago

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RUDIKE [14]

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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Thus, the length of fencing needed is given by

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