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victus00 [196]
3 years ago
13

A 20,000 gallon tank is 3/4full. If the drain valve on this tank allows 2.5 gallons of water to be drained per minute, about how

many hours will it take to drain the tank?
Mathematics
1 answer:
patriot [66]3 years ago
6 0

Answer:

100 Hours

Step-by-step explanation:

since the tank has 15,000 gallons of water. it drains at a rate of 150 gallons per hour so 15,000 divided by 150 equals 100

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Find the 7th term of the geometric sequence -5, 15, 45, 135, 405,...
katovenus [111]

Answer:

1,215

Step-by-step explanation:

Because if you think of it it multiplies by 3x so 3x5=? 15! 15x3=? 45! 45x3=? 405! 405x=3? 1,215! 1,215x3=? 3,645! anyways, I can go on and on I hope this answer was right!

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3 years ago
Describe the correct answer to this problem including units what is the surface area of the figure
Brrunno [24]

Answer:

<h2>        A = 22.5π ft² ≈ 70.686 ft²</h2>

Step-by-step explanation:

A = π×(2.5)² + π×2.5×6.5 = 6.25π + 16.25π = 22.5π ≈ 70.686 ft²

{6.5 ft is not a height, it's slant length}

4 0
3 years ago
Select all that are true.
babymother [125]

Qiestion:

Select all that are true.

A. 6.22 - 4 = 6.28

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E. 41.5 - 33.25 = 29.10

Answer:

C and D are the answer

7 0
3 years ago
Read 2 more answers
Which expression is equivalent to 3a2 + 6a + 5a2?
Vaselesa [24]
\begin{gathered} 3a^2+6a+5a^2 \\ \text{collect like terms} \\ 3a^2+5a^2+6a \\ 8a^2+6a \end{gathered}

4 0
1 year ago
May 18, 9:17:46 AM
julia-pushkina [17]

Answer:

y=5/4x+2 is a line perpendicular to y=4/5x+2

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