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KonstantinChe [14]
3 years ago
12

An average tub bath uses 8 gallons of water and an average shower uses 6 gallons. to provide baths for 60 people, how much more

water will be needed if tubs are used instead of showers?
Mathematics
1 answer:
viva [34]3 years ago
7 0
<span>You need (8-6) 2 extra gallons to take a bath. With sixty people bathing, you'll need 60*2=120 extra gallons to meet the extra demand for water. Alternatively, you could note that 60 bathers*8 gallons per bath=480 gallons of water would be used for 60 baths and 60*6=360 needed for showers. The difference would be 480-360=120 gallons.</span>
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Answer:

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Step-by-step explanation:

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4 0
2 years ago
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If the given values in a right triangle are cos A =
Vlad1618 [11]
See the picture attached to better understand the problem

we know that
in the right triangle ABC
cos A=AC/AB
cos A=1/3
so
1/3=AC/AB----->AB=3*AC-----> square----> AB²=9*AC²---->  equation 1

applying the Pythagoras Theorem
BC²+AC²=AB²-----> 2²+AC²=AB²---> 4+AC²=AB²----> equation 2

substitute equation 1 in equation 2
4+AC²=9*AC²----> 8*AC²=4----> AC²=1/2----> AC=√2/2
so
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the answer is
the hypotenuse is (3√2)/2

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