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3 years ago

B^2-c^2-10(b-c) factor

Mathematics

1 answer:

trasher [3.6K]3 years ago

5 0

Factor the polynomial.

b^2 − c^2 − 10b + 10c

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Work out<br><br> 1/3 + 2/9<br><br> Give your answer in its simplest form

Soloha48 [4]

Step-by-step explanation:

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Topic: Fractions

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2 years ago

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Simplify each expression

svp [43]

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3 years ago

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The perimeter of a particular square and the circumference of a particular circle are equal. What is the ratio of the area of th

oksano4ka [1.4K]

<h2>Ratio of area of the square to the area of the circle = π/4</h2>

Step-by-step explanation:

Let the side of square be a and radius of circle be r.

The perimeter of a particular square and the circumference of a particular circle are equal.

Perimeter of square = 4 x a = 4a

Circumference of circle = 2πr

Given that

4a = 2πr

$a=\frac{\pi r}{2}$

We need to find the ratio of the area of the square to the area of the circle.

Area of the square = a²

Area of the circle = πr²

$\texttt{Ratio of area of the square to the area of the circle =}\frac{a^2}{\pi r^2}\\\\\texttt{Ratio of area of the square to the area of the circle =}\frac{\left ( \frac{\pi r}{2}\right )^2}{\pi r^2}\\\\\texttt{Ratio of area of the square to the area of the circle = }\frac{\pi}{4}$

Ratio of area of the square to the area of the circle = π/4

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2 years ago