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2 years ago

Solve the equation. Justify each step. I need help pls :/

Mathematics

1 answer:

olga_2 [115]2 years ago

3 0

Answer:

x=1/4

Step-by-step explanation:

x+1/2=3/4

group like terms

x=3/4-1/2

x=1/4

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The radius of a circular sign is 12 12 inches. Equal parts of the sign are painted red red and yellow yellow. How many square in

iragen [17]

Answer:

226.285 square

Step-by-step explanation:

Given:

The radius of a circular sign is 12 inches.

Equal parts of the sign are painted red and yellow.

Question asked:

How many square inches are painted each color?

Solution:

Here given that <u> a circular sign is divided into two equal parts </u>and one part is painted with red and other with yellow and we have to calculate the area of each color:

We will find area of semicircle of each color:

$Area\ of\ semicircle =\frac{\pi x^{2}}{2}$

$=\frac{\frac{22}{7}\times12\times12 }{2} \\ \\ =\frac{\frac{3168}{7} }{2} \\ \\ =\frac{452.57}{2} \\ \\= 226.285\ square\ inches$

Thus, 226.285 square inches are painted each color.

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