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3 years ago

9

In a certain county, the number of charter schools is 10 less than twice the number of alternative schools. We know that there a

re 46 charter schools in the county. How many alternative schools are in the county?

1 answer:

Feliz [49]3 years ago

5 0

2x - 10 = 46. (X = Alternative Schools)

x = 28

28 Alternative Schools.

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Greeley [361]

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3 years ago

The box plot shows the time it takes you and your classmates to get to school. What is the median time spent traveling to school

Vinvika [58]

B 12 minutes
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3 years ago

The value of b when solving the equation 2 (6 + 12) = 16 is:

elena-s [515]

Answer:

Step-by-step explanation:

2(6+12)=16

2 X 6 + 2 X 12

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HOPE U GE5T IT

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2 years ago

Brad has two lengths of copper pipe to fit together one has a length of 2 5/12 feet and the other has a length of 3 7 12 ft how

leva [86]

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4 0

2 years ago

) 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