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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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Every rational number is a
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<em>Greetings from Brasil...</em>

a - whole number

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3 years ago
A car skids to a stop, leaving four skid marks with an average length of 60 feet. The road is asphalt. Skid tests reveal a drag
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∑F = ma

N − mg = 0

N = mg

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∑F = ma

-Nμ = ma

-mgμ = ma

-gμ = a

Given μ = 0.75 and g = 32 ft/s²:

a = -(32 ft/s²) (0.75)

a = -24 ft/s²

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v² = v₀² + 2aΔx

(0 ft/s)² = v₀² + 2 (-24 ft/s²) (60 ft)

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v₀ ≈ 37 mph

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Answer:

There is no graph attached but it would look like this

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