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3 years ago

11

Tiffany buys a basket of watermelons on sale for $9 before tax.The sale tax is 9% What is the total price Tiffany pays for the b

asket of watermelon

1 answer:

Lelechka [254]3 years ago

5 0

To find the price including tax (9%) you have to multiply it by 1.09.
y=9(1.09)
y=9.81
$9.81
Hope I helped...

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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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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

$\frac{dP}{dx} =0 \\ \\ \Rightarrow1- \frac{576}{x^2} =0 \\ \\ \Rightarrow \frac{576}{x^2} =1 \\ \\ \Rightarrow x^2=576 \\ \\ \Rightarrow x=\sqrt{576}=24$

Now, recall that

$y= \frac{288}{x} = \frac{288}{24} =12$

Thus, the length of fencing needed is given by

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

Therefore, 48 feets of fencing is needed to enclose the garden.

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Answer:

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Step-by-step explanation:

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diamong [38]

Answer:

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