2 years ago

Find the surface area of a cylinder with a height of 7 ft and a base radius of 2 ft.

Mathematics

1 answer:

Temka [501]2 years ago

8 0

Step-by-step explanation:

If r=2 and h =7 then Surface area= A= 2pi* r* h +2pi *r^2=113.1 ft^2

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Marrrta [24]

Answer:

Below in bold.

Step-by-step explanation:

(a) Using the Pythagoras theorem:

30^2 = 21^2 + p^2

p^2 = 30^2 - 21^2 = 459

p = √459

= 21.4 cm to nearest tenth.

(b) cos P = 21/30 = 0.70

m < P = 45.57 degrees to nearest hundredth.

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Translate the statement into an equation or inequality. The sum of 5 and a number is less than the product of the number and 7 m

RideAnS [48]

Answer:

2x-4=10

2x=14

x=7

2. 3x+3=2x-1

3x-2x=-1-3

x=-4

3. 7x+x=24

8x=24

x=3(

4. 5+x=-18

x=-18-5

x=-23

5. -14=10-6x

6x=10+14

6x=24

x=4

6. 2x-2=x+12

2x-x=12+2

x=14

7. 3x-31=2

3x=2+31

3x=33

x=11

8. 5x-14=16

5x=16+14

5x=30

x=6

9. 2x+8=4(5-x)

2x+8=20-4x

2x+4x=20-8

6x=12

x=2

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2x-3=3+3x

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3 years ago