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ziro4ka [17]
2 years ago
10

What is the surface area of the cylinder in terms of pi the diagram is not drawn to scale radius of 9 and height of 19

Mathematics
2 answers:
Lesechka [4]2 years ago
6 0

Answer:

504\pi in²

Step-by-step explanation:

Confirmed

Misha Larkins [42]2 years ago
3 0
Hello!

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

SA = 2 \pi rh + 2 \pi  r^{2}

SA is surface area
r is radius
h is height

Put in the values you know

SA = 2  \pi  9 * 19 + 2 \pi  9^{2}

Square the number

SA = 2 \pi  9 * 19 + 2 \pi  81

Multiply the 9, 19 and 2

SA = 342 \pi  + 2 \pi 81

Multiply the 2 and 81

SA = 342 \pi  + 162 \pi

Add

SA = 504 \pi

The answer is 504 \pi

Hope this helps!
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Answer:

He would get there at 1:15 (I did this in my head, may be wrong)

Step by step solution:

We know the motorist left home at 10. We can divide the 260/80 and we get 3 hrs, we still have 20 km left over, keep on dividing and you get 1:15 p.m.

6 0
2 years ago
A High School soccer team is going to Columbus, Ohio to see a professional soccer game. A coordinate grid is superimposed on the
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Answer: The coordinate are

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Step-by-step explanation:

The coordinates of the rest stop will be the mid point between the high school is at point (3, 4) and the stadium in Columbus at point (7, 1).

Mid point = (X1 +X2)/2 , (Y1+Y2)/2

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The approximate distance between the high school and the stadium will be

D^2 = (7-3)^2 +( 4-1)^2

Where D = distance

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3 years ago
What is equivalent to 4x-2=38
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7 0
2 years ago
A regular pentagon has side lengths of 10 cm and an
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Answer: 172 square centimeters.

Step-by-step explanation:

Hi, to answer this question we have to apply the next formula:

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Where:

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a: apothem

Replacing with the values given and solving for A (area):

A =1/2 x (5 x10) x 6.88

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Feel free to ask for more if needed or if you did not understand something.

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