3 years ago

X^2+x-5=0nsolve using the quadratic formula

Mathematics

1 answer:

Dennis_Churaev [7]3 years ago

8 0

Answer:

57776esae r esspustae

Step-by-step explanation:

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3 years ago

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3 years ago

A sphere has a diameter of 12.5 inches. What is the surface area of the sphere? 50π in² 156.25π in² 625π in² 2604.17π in²

Advocard [28]

Hello!

To find the surface area of a sphere you use the equation

$A = 4 \pi r^{2}$

A is surface area
r is radius which is half the diameter

Put in the values you know

$A = 4 \pi 6.25^{2}$

Square the number

$A = 4 \pi 39.0625$

Multiply the 4 and the 39.0625

$A = 156.25 \pi$

The answer is $B) 156.25 \pi in^{2}$

Hope this helps!

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3 years ago