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devlian [24]
3 years ago
11

a cylindrical water tank contain 462000 litre of water and its radius is 3.5 metre find the height of the tank​

Mathematics
1 answer:
Law Incorporation [45]3 years ago
3 0

Volume of a cylinder = PI x radius^2 x Height

Replace the known information:

462,000 = 3.14 x 3.5^2 x height

Simplify:

462,000 = 3.14 x 12.25 x height

462,000 = 38.465 x height

Divide both sides by 38.465:

Height = 462,000 / 38.465

Height = 12,010.919 meters ( round answer as needed)

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Next-door neighbors Bob and Jim use hoses from both houses to fill Bob's swimming pool. They know that it takes 22 h using both
FrozenT [24]

Answer:

correct answer: Bob's hose required alone 33 hours and Jim's hose required alone 66 hours

Step-by-step explanation:

Given:

Bob's hose time = 50% of Jim's hose time ⇒

⇒ Jim's hose time = 2 · Bob's hose time

Let be x  Bob's hose time and  2x Jim's hose time

The following equation will solve the problem:

1/x + 1/ 2x = 1/22  

The common denominator for both fractions is 2x, so we will multiply the first fraction by the number 2 and get:

2/2x + 1/2x = 1/22 ⇒ 3/2x = 1/22 ⇒ x = 3 · 22 / 2 ⇒ x = 3 · 11 = 33 hours

Bob's hose time x = 33 hours and

Jim's hose time 2x = 66 hours

God is with you!!!

4 0
3 years ago
Which point is a solution to the system of equations?<br> y = 2x + 2<br> Y = 3x
Kay [80]

Answer:

(2,6)

Step-by-step explanation:

y = 2x + 2

Y = 3x

2x+2=3x

2x-3x+2=0

-x+2=0

-x=-2

x=2

y=3(2)=6

                           

7 0
2 years ago
What does Mutually exclusive mean
REY [17]

Answer:

Mutually exclusive is a statistical term describing two or more events that cannot coincide. It is commonly used to describe a situation where the occurrence of one outcome supersedes the other

Step-by-step explanation:

:)

6 0
3 years ago
Read 2 more answers
Maple grove wants to include two types of maple trees, the namesake of the city, for their parks. Two varieties of maple trees h
klasskru [66]
75x+90y<=70,000 x<=y
5 0
3 years ago
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If you could help I would really appreciate it, but if not that’s fine. Thank you.
zloy xaker [14]

Answer:

2x - 5 if x ≤ 2

f(-1) = -7

Step-by-step explanation:

x ≤ 2 = (-1) ≤ 2

x > 2 = (-1) > 2

2x - 5

2(-1) - 5

-2 - 5

-7

8 0
3 years ago
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