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kvv77 [185]
4 years ago
14

What is the surface area to a cylinder

Mathematics
1 answer:
Maslowich4 years ago
7 0

Answer:

  A. 2(Pi)rh+2(Pi)r^2

Step-by-step explanation:

The surface area of a cylinder is the sum of the lateral area and the area of the two circular ends.

The lateral area is the product of the circumference of the cylinder and its height:

  lateral area = 2πrh

The area of the two ends is twice the area of each of those circles, so is ...

  total end area = 2(πr²)

Then the total surface area of a cylinder is ...

  SA = 2πrh +2πr²

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Does y=3^t represent growth or decay?​
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Answer:

Decay

Step-by-step explanation:

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3 years ago
What is the GCF for 9y, 6x and 2g?
rosijanka [135]
The GCF for the numbers 9,6,2 is 1. Since there are no variables in common the answer is just 1.
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4 years ago
Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar(s) the degree of th
Artyom0805 [142]

Answer:

Degree of the function = 5

y-intercept = (0, 12)

Step-by-step explanation:

Degree of a polynomial function is determined by the degree of the term having highest degree.

In the given function,

f(x) = -(x + 1)²(2x - 3)(x + 2)²

(x + 1)² → highest degree term = x²

(2x - 3) → highest degree term = x

(x + 2)² → highest degree term = x²

When we multiply these terms,

(x + 1)²(2x - 3)(x + 2)² highest degree term of the function will be,

x^{2} \times x \times x^{2} = x^{5}

Therefore, degree of the function = 5

For y-intercept,

f(0) = -(0 + 1)²(0 - 3)(0 + 2)² = 12

Therefore, y-intercept of the function is (0, 12)

3 0
3 years ago
Help Me please!!!!! Rn
Sergio039 [100]

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20 degrees

Step-by-step explanation:

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4 0
3 years ago
Read 2 more answers
A building in the shape of a rectangular prism needs to be painted. Some facts about the building are shown below.
algol [13]

Answer:

(2)(120)(80) + (2)(120)(50) - (4)(60)(5²)

Step-by-step explanation:

The lateral faces of the building are the 4 sides of the building consisting:

2 rectangles of 120 ft by 80 ft

Area of the two rectangular faces = (2)(120)(80)

And

2 rectangles of 120 ft by 50 ft

Area of the two rectangular faces = (2)(120)(50)

✔️Total lateral surface area of the building = (2)(120)(80) + (2)(120)(50)

Note: we are asked to find the expression that represents the total surface area that needs to be painted given that there are 60 windows on each lateral face of the building of the shape of a square with side lengths of 5 ft.

Therefore, the total lateral surface area of the building that will be painted = total lateral surface of the building - total area covered by the 60 windows on each face of the building

Surface area covered by 60 windows in the 4 lateral face of the building = (4)(60)(5²)

✅total lateral surface area of the building that will be painted = (2)(120)(80) + (2)(120)(50) - (4)(60)(5²)

3 0
3 years ago
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