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posledela
3 years ago
13

a plumber is hired to stop leaks in a bathroom the faucet drips every six seconds the shower drips every 9 seconds if both fixtu

res just dripped how long will it be before they both die at the same time again explain your work
Mathematics
1 answer:
kenny6666 [7]3 years ago
5 0

Answer:

18

Step-by-step explanation:

The LCD of 6 and 9 is 18.

6: 6, 12, 18

9: 9, 18

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Write as a single term: sin(25°) cos(10°) − cos(25°) sin(10°).
eduard

Answer: cos (25° + 10°)

Step-by-step explanation: The expression:

sin(25°) cos(10°) − cos(25°) sin(10°)

is associated to the expression for the cosine of the sum of two angles that is:

cos (α+β) = sinα *cosβ -cosα*sinβ

Hence if we do α = 25° and β = 10°

by subtitution we get:

cos (25° + 10°) = sin(25°) cos(10°) − cos(25°) sin(10°)

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3 years ago
Liam sits on a merry-go-round at the local fair. He completes 12 revolutions in 4
Musya8 [376]

Answer:

1/3 min ( = 20 seconds)

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The period of the ride is the time he takes to complete 1 revolution

We are given:

12 revolutions -------> takes 4 min

1 revolution ------> takes 4/12 = 1/3 min  (= 20 seconds)

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3 years ago
The ratio of the weight of an object on Planet A to the weight of the same object on Planet B is 100 to 3. If an elephant weighs
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This problem can be solved using ratios:

100:3 = 3800:x

Now we solve for x by doing the following algebra:

3800*3 = 100x

11400 = 100x

114 = x

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