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2 years ago

Square root 11 +3 square root 11

Mathematics

1 answer:

Anastasy [175]2 years ago

3 0

Answer:

13.2664991614

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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 = ???

The curve number CN = 80

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

$S = \dfrac{1000}{CN}-10$

where:

curve number CN = 80

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

S = 2.5 inches

Since the rainfall (P) is greater than 0.25

Then:

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

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

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

$Q = \dfrac{(7.5)^2}{(10)}$

$Q = \dfrac{(56.25)}{(10)}$

Q = 5.625 inches

Thus, the runoff volume = 5.625 inches

4 0

3 years ago

Find the value for the given variables. Give the variables in simplest radical form.

Svetach [21]

$\huge\boxed{ \boxed{\mathrm{ \underline{Answer}࿐ }}}$

The given triangle is a right angled triangle,

so let's apply trigonometry here :

$\sin(30) = \dfrac{7}{y}$

$\dfrac{1}{2} = \dfrac{7}{y}$

$y = 7 \times 2$

$y = 14 \: \: units$

Now,

$\cos(30) = \dfrac{x}{y}$

$\dfrac{ \sqrt{3} }{2} = \dfrac{x}{14}$

$x = \dfrac{14 \sqrt{3} }{2}$

$x = 7 \sqrt{3}$

$x = 12.12 \: \: units$

_____________________________

$\mathrm{ ☠ \: TeeNForeveR \:☠ }$

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kaheart [24]

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Crank

Answer:

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Step-by-step explanation:

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