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slava [35]
3 years ago
8

An aquarium tank can hold 6000 liters of water. There are two pipes that can be used to fill the tank. The first pipe alone can

fill the tank in 40 minutes. The second pipe can fill the tank in 60 minutes by itself. When both pipes are working together, how long does it take them to fill the tank?
Mathematics
1 answer:
Usimov [2.4K]3 years ago
7 0
The answer is 24 minutes
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The distance between two cities on a map is measured to be 4 inches. The actual distance between the cities is 448 miles. What i
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Hey there!

There's multiple ways to express this problem, but I like to do ratios, so we'll go with that. If you prefer fractions, the first number of a ratio is the same as the numerator of a fraction and the second number is the same as the denominator. 

The ratio of this problem is 4:448. This basically means there will be 448 miles per 4 inches. This ratio can be simplified by dividing by 4 to make it 1:112. Applying the same logic, there are 112 miles per inch. 

112 miles per 1 inch should be your answer. Hope this helped you out! :-)
8 0
3 years ago
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4. triangle FBT is similar to triangle ADQ with a scale factor of 5/3. Complete the table below.
Bogdan [553]

Triangle FBT is similar to triangle ADQ with a scale factor of 5/3. AD = 9; BF = 15, DQ = 6; BT = 10, FT = 21; AQ = 12.6

∠F = ∠A = 40°, ∠Q = ∠T = 55°, ∠B = ∠D = 85°

<h3>What are similar triangles?</h3>

Similar triangles are triangles that have the same shape and the ratio of their corresponding sides are in the same proportion. Corresponding angles are equal.

triangle FBT is similar to triangle ADQ with a scale factor of 5/3.

AD = 9; BF = 9 * 5/3 = 15

DQ = 6; BT = 6 * 5/3 = 10

FT = 21; AQ = 21 * 3/5 = 12.6

∠F = ∠A = 40°, ∠Q = ∠T = 55°, ∠B = ∠D = 85°

Find out more on similar triangles at: brainly.com/question/2644832

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2 years ago
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3 years ago
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