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Liula [17]
2 years ago
9

Can somebody please help me with this pleaseee

Mathematics
1 answer:
Semmy [17]2 years ago
6 0

Answer: -2, 2

Step-by-step explanation:

0 = 5x^2 -20

0 = 5(x^2 -4)

0 = 5(x - 2)(x + 2)

0 = x - 2

2 = x

0 = x + 2

-2 = x

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Step-by-step explanation:

5 0
2 years ago
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What is the best approximation for the area of a circle with a diameter of 13 meters?
Illusion [34]
First, find the radius of the circle. The radius of a circle is half the diameter. r=13/2=6.5 

Second, use the equation A=pi * r^2 to find the area of the circle. 
A=(3.14) * (6.5^2) = 132.665m^2 

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3 years ago
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victus00 [196]

Answer:

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8^2 +12^2 = hyp ^2

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