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Ira Lisetskai [31]
3 years ago
12

You use about 15 gallons of water when you shower. If you take 20% less time when you shower, estimate how many gallons of water

you would use in a week if you took a shower a day.
a. 100
b. 85
c. 40
d. 20
Mathematics
1 answer:
PIT_PIT [208]3 years ago
8 0
I would have to say 85 but thats just a guess.
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Determine the value of f (4) if f (x) = 3x -- 1
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The route used by a certain motorist in commuting to work contains two intersections with traffic signals. The probability that
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Answer:

a) P(X∩Y) = 0.2

b) P_1 = 0.16

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Step-by-step explanation:

Let's call X the event that the motorist must stop at the first signal and Y the event that the motorist must stop at the second signal.

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Then, the probability P(X∩Y) that the motorist must stop at both signal can be calculated as:

P(X∩Y) = P(X) + P(Y) - P(X∪Y)

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