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9966 [12]
4 years ago
13

A circle’s circumference is approximately 76 cm. Find the radius, diameter, and area of the circle to the nearest centimeter. Us

e 3.14 for π. I already know the diameter and radius I just need the area.
Mathematics
1 answer:
PolarNik [594]4 years ago
3 0

Answer: Area= 459.73cm^2

Step-by-step explanation: Circumference of a circle is 2πr

76=2×3.14×r

r= 76÷(6×3.14)

r=12.10

Area of a circle= πr^2

Area= 3.14×(12.10)^2

Area= 456.73cm^2

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5 0
4 years ago
<img src="https://tex.z-dn.net/?f=%284y%20%2B%204x%29%20%3D%20" id="TexFormula1" title="(4y + 4x) = " alt="(4y + 4x) = " align="
Semmy [17]
<span> Simplifying
4x + 4y = 0

 Solving
4x + 4y = 0

 Solving for variable 'x'.
 Move all terms containing x to the left, all other terms to the right.

 Add '-4y' to each side of the equation.
4x + 4y + -4y = 0 + -4y

 Combine like terms:
4y + -4y = 0
4x + 0 = 0 + -4y
4x = 0 + -4y

 Remove the zero:
4x = -4y

 Divide each side by '4'.
x = -1y

 Simplifying
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