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Alik [6]
3 years ago
6

What is the surface area of the cylinder with height 7 cm and radius 5 cm? Round

Mathematics
1 answer:
nalin [4]3 years ago
5 0

Answer:

376.991 cm²

Step-by-step explanation:

SA_{cylinder} = 2\pi r^{2}  + 2\pi rh

Surface Area = 2π(5²) + 2π(5)(7)

                      = 50π + 70π

                      = 120π

                      = 376.9911184... ≈ 376.991

<h2>Derive Surface Area of A Cylinder</h2>

If you take a look at a net of a cylinder, you can see it is composed of two circles(bases) and a rectangular strip with the length of the diameter of the circle

The formula for the area of a circle = πr², and since there are 2, it is 2πr²

The formula for circumference of a circle = 2πr, and since we are multiplying that by the height by the height of the cylinder, it is 2πrh

∴ 2πr² + 2πrh

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The drama club you are part of is hosting a pancake breakfast. You are in charge of buying the sausage, which costs $5 per pound
antiseptic1488 [7]

Answer:

<h2>C.</h2>

Step-by-step explanation:

Look at the pictures.

x - sausage

y - bacon

A. 20 pounds of sausage and 90 pound of bacon

x = 20 → y = 100 > 90

B. 40 pound of sausage and 40 pound of bacon

x = 40 → y = 75 > 40

C. 60 pound of sausage and 80 pound of bacon

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D. 80 pound of sausage and 20 pound of bacon​

x = 80 → y = 25 > 20

4 0
3 years ago
Read 2 more answers
Jade buys a blouse and a skirt for 3/6 of their original price. Jade pays a total of $31 for the two items. If the original pric
Damm [24]

Answer:

3/4 times 18= 13.5

31.5-13.5=18  

It cost 18 dollars for the skirt with a discount.

It cost 13.5 for the blouse as opposed to the original price of 18 dollars.

18(skirt)+13.5(blouse)=31.5

If you set up a proportion to find the original price of the skirt you will get the answer.  

18/x=75/100

75x=18 times 100

75x=1800

75x/75=1800/75

x=24  

The original price of the skirt is 24 dollars.

Step-by-step explanation:

4 0
3 years ago
Please help immediately
Mila [183]
Add all of the scores together which gives you

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= -3650

Hope this helps! (:
5 0
3 years ago
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The hypotenuse of a right triangle is startroot 21 endroot21 in and one leg measures 44 in. find the length of the other leg.
34kurt
Hypotenuse is√21?
a=4

4²+b²=21
b²=5
b=√5
7 0
3 years ago
Kevin has 5 times more baseball cards than his brother, Billy. If Billy has c number of cards, how many cards does Kevin have
mylen [45]
The answer would be 5*C or 5C or 5(C) they all mean the same exact thing but if Kevin has 5 times as much no matter what billy has you’ll have to multiply that by 5 to see how much Kevin’s has so if billy has c then you multiply that by 5
8 0
3 years ago
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