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olchik [2.2K]
3 years ago
10

Please help asap ill give brainliest

Mathematics
1 answer:
natita [175]3 years ago
7 0
The formula is 1/2 x P x L + B
P=perimeter
L=Side length
B= Slanted Base length

ANSWER= 8 mi
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) A watershed experiences a rainfall of 8 inches. What is the runoff volume when the curve number is 80
finlep [7]

Answer:

5.625 inches

Step-by-step explanation:

Given that:

Total Rainfall in inches (P) = 8 inches

The runoff volume (in inches) Q = ???

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Recall that: The runoff volume can be calculated by using the formula:

Q = \dfrac{(P-0.2S)^2}{(P+0.8S)}    for P > 0.2S

Q = 0                     for P < 0.2S

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where:

curve number CN = 80

S = \dfrac{1000}{80}-10

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Since the rainfall (P) is greater than 0.25

Then:

Q = \dfrac{(P-0.2S)^2}{(P+0.8S)}  

Q = \dfrac{(8-0.2(2.5))^2}{(8+0.8(2.5))}

Q = \dfrac{(8-0.5)^2}{(8+2)}

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Q = 5.625 inches

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3 years ago
Add It!<br> 0.1496 + 0.7 =
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Answer:

Step-by-step explanation:

0.8496

7 0
3 years ago
Read 2 more answers
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