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Lapatulllka [165]
3 years ago
10

Mr. Sonny's science class is calculating the average number of blinks per minute. Jan blinks 72 times in 4 minutes. What is her

Mathematics
1 answer:
serg [7]3 years ago
6 0

Answer:

18

Step-by-step explanation:

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A cylindrical water tank has a diameter of 9 feet and a height of 16 feet. Each can of paint covers 50 square feet. What is the
iVinArrow [24]

Answer:

12 cans

Step-by-step explanation:

The area of the outside of the tank:

radio = half diameter = 4.5 ft.

base: A_{b} =\pi r^{2} =\pi (4.5)^{2} =20.25\pi

Top: = base =20.25\pi

cylinder: 2\pi rh=2\pi (4.5)(16)=144\pi

Total area to paint: 144\pi +2(20.25\pi) =184.5\pi =579.6sq.ft.

Number of cans of paint:

c=\frac{579.6}{50} =11.59=12

Hope this helps

7 0
2 years ago
Find a third point on the line that passes through (4, 1) and (0, 3)
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6 0
3 years ago
An air plane moves at a constant speed of 120 miles per hour for 3 hours. How far does it go?
Anvisha [2.4K]

Answer: 360

Step-by-step explanation: All you got to do is multiply 120 by 3

7 0
3 years ago
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After school, Hugo helps out at a bunny shelter called Hoppy's Home. He cleans cages and feeds all 8 bunnies at the shelter. In
amm1812

Answer:

25.3

1_ draw a triangle

the shortest side is a which will be 8(bunnies)

diagonal will be c ( what you need to find )

the last side will be b.

so the equation is a2+b2=c2 ( 2=squared)

that means..... 8x8+24x24=c

8x8=64

24x24=576

then add

576+64=640

the find square root

√640=25.2982212813

simplify to 25.3

you know your answer is correct because c is always the biggest side

5 0
3 years ago
Urgent help please !!!
chubhunter [2.5K]

Answer:

The answer is A. 3x + 3

Step-by-step explanation:

Umm yea its that

6 0
3 years ago
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