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Flauer [41]
3 years ago
10

If a sprinkler waters 1 over 20 of a lawn in 1 over 5 of an hour, how much time will it take to water the entire lawn?

Mathematics
1 answer:
Lubov Fominskaja [6]3 years ago
4 0
Answer: C. 4 hours

Explanation: 
You first measure how long 1/5 of an hour is in which is 12 minutes. You then multiply 12 by 20 because it takes 12 minutes to get 1/20 of the lawn watered. Your answer now should be 240. Finally, divide that number by 60 because you are measuring time in hours. Your final answer should be 4 hours.
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Answer:

B

Step-by-step explanation:

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7 0
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tino4ka555 [31]

Answer:

x = - \frac{1}{4}

Step-by-step explanation:

To find f(g(x)) substitute x = g(x) into f(x), that is

f(g(x))

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= 2(x + 1)² ← expand using FOIL

= 2(x² + 2x + 1) ← distribute

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To find g(f(x)) substitute x = f(x) into g(x), that is

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= g(2x²)

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----------------------------------------------------------

Equating  gives

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2 years ago
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Step-by-step explanation:

6 0
3 years ago
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NemiM [27]
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6 0
3 years ago
Read 2 more answers
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