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4 years ago

The area of a library table top is 27 1/8 Square feet the table is 3 1/2 feet wide what is the length of the table

Mathematics

1 answer:

zhuklara [117]4 years ago

6 0

Answer:

7.75 or 7 3/4

Step-by-step explanation:

Divide 27 1/8 by 3 1/2 to find the length, because Length x Width = Area

When you divide, you get 7.75

This is the length.

You can also convert it into fraction form and get 7 3/4

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Ainat [17]

<h2>○=> <u>Correct option</u> :</h2><h2> $\color{plum}\tt\bold{(B)}$ </h2><h3>○=> <u>Steps to derive correct option</u> :</h3>

We know that :

$\color{hotpink} \tt \: circumference \: of \: a \: circle\color{plum} = 2\pi r$

So, let the diameter of this circle be x.

Which means :

$=\tt2 \times \pi \times r$

$=\tt 2 \times x \times \pi = 12\pi$

$=\tt 2x\pi = 12\pi$

$=\tt x = \frac{12}{2}$

$= \tt \: x = 6 \: m$

Thus, the radius of the circle Robert drew = 6 m

Since the circle in option B has a radius of 6 m, it is the circle Robert drew.

▪︎<em>Therefore, the correct option is (B)</em>

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3 years ago

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3 years ago

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coldgirl [10]

The value of x would be 4m

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3 years ago

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P(a) = 2a -3; find p(a) = 15

Andrei [34K]

Since both is equal to p(a), you can set them as equal to each other:

15 = 2a - 3
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3 years ago

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julsineya [31]

Answer:

Hey there!

First, we want to find the side length of the large triangle.

1/2bh=y cm^2

bh=2y cm^2

Since b and h are the same here, we have b^2= 2y, $b=\sqrt{2y}$ .

And we have FC= $\frac{\sqrt{2y} }{2}$ .

Area of shaded triangle: $\frac{1}{2} (\frac{\sqrt{2y} }{2})(\frac{\sqrt{2y} }{2})$ .

This is equal to: $\frac{1}{2}(\frac{2y}{4})$ , or y/4.

Let me know if this helps :)

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3 years ago