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lions [1.4K]
2 years ago
5

What is the area of a circle with a radius of 20 inches?

Mathematics
1 answer:
slega [8]2 years ago
6 0
31.4 square inches-btw dont press the link someone in the comments gave you
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Solve for x using desmos or the quadratic formula 2x^2 - 5x - 12 = 0
ivanzaharov [21]

Answer:

x = 4 or x = (-3)/2

Step-by-step explanation:

Solve for x over the real numbers:

2 x^2 - 5 x - 12 = 0

x = (5 ± sqrt((-5)^2 - 4×2 (-12)))/(2×2) = (5 ± sqrt(25 + 96))/4 = (5 ± sqrt(121))/4:

x = (5 + sqrt(121))/4 or x = (5 - sqrt(121))/4

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(5 - 11)/4 = -6/4 = -3/2:

Answer:  x = 4 or x = (-3)/2

5 0
3 years ago
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FIRST BRAINIEST Tifania and Sean tried to find the circumference of a circle with a radius of 14 cm. Their work is shown below.
Simora [160]
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8 0
2 years ago
Which equation does not have the same solution as the others?
ladessa [460]
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4 0
3 years ago
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