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azamat
4 years ago
13

The radius if a sphere is 5 feet. Find the area

Mathematics
2 answers:
vlada-n [284]4 years ago
7 0
I hope this helps you



Area of Sphere =4.pi.r^2


Area of Sphere =4.pi.5^2


Area of Sphere =100.pi


Area of Sphere =314
allsm [11]4 years ago
3 0
The surface area (A) of a sphere is A=4πr²

By inserting the value of the radius (r), the surface area is found

A=4πr²       r=5
A=4π5²
  = 4π(25)
  = 100π
  = 314ft²

The area is 314 ft²
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C.) I believe is the correct answer
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3 years ago
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The appropriate choice is ...
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3 years ago
A model rocket is launched with an initial upward velocity of 57m/s. The rocket's height h (in meters) after t seconds is given
vesna_86 [32]

The  values of for which the rocket's height is 29 meters are 0.75 and -0.67.

<h3>What is a velocity?</h3>

Velocity can be described as a vector quantity having both direction and magnitude which is the distance traveled per time.

We were given the  rocket's height h  as h=57t-5t^2 which is an equation, and we were been given the height which is the value that can be input into the equation as  is 29 meters , then we can proceed to simplify the equation as

h=57t-5t^2

29=57t-5t^2

then we will have  57t-5t^2-29=0

with the use of quadratic formula the values of t are : 0.75 and -0.67

Then we can chose 0.75 seconds

Therefore, after the calculation with the use of the quadratic equation, we can come into conclusion that the values that are required in the question are 0.75 and -0.67.

Learn more about velocity at:

brainly.com/question/4535155

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NOTE: This is a complete question, there were no given options, even on the internet.

6 0
1 year ago
find an equation for the line through (4,7) with the given relationship to y=2x-4: a. parallel &amp; b. perpendicular
stiks02 [169]
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y - 7 = 2(x - 4)
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4 0
3 years ago
Please help ASAP. I will award brainliest.
svetoff [14.1K]

what's the answer chocies

5 0
3 years ago
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