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3 years ago

What is the solution to 5 + 6x = 2x - 7

Mathematics

2 answers:

Olenka [21]3 years ago

6 0

The answer is x= - 3 :)

Doss [256]3 years ago

4 0

Step-by-step explanation:

5+6x=2x-7

We simplify the equation to the form, which is simple to understand

5+6x=2x-7

We move all terms containing x to the left and all other terms to the right.

+6x-2x=-7-5

We simplify left and right side of the equation.

+4x=-12

We divide both sides of the equation by 4 to get x.

x=-3

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3 years ago

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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

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

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Since the rainfall (P) is greater than 0.25

Then:

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

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

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4 0

3 years ago

Classify the statements based on whether they are represented by +3 or -3.

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Answer:

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Step-by-step explanation:

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2 years ago

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AveGali [126]

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AleksandrR [38]

Answer:

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Step-by-step explanation:

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2 years ago

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