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gtnhenbr [62]
2 years ago
8

During a thunderstorm, 4

Mathematics
2 answers:
Oduvanchick [21]2 years ago
7 0

Answer: 1.6 in per hour

Scorpion4ik [409]2 years ago
4 0

Answer:

hourly rate.

Step-by-step explanation:

As others have noted, it is a simple mathematical division problem (4/2.5) and the average is 1.6 inches per hour.

However, if this is for sizing civil works such as culverts or plumbing storm water drainage systems to mitigate flooding, the highest rate per hour must be known and usually the highest ten minutes rainfall rate expressed as an hourly rate.

For example, if 4.0 inches fell over that 2.5 hours, nothing says that a rain band did not dump 3 inches in the first hour, (3 inches per hour cumulative) or 0.75 inches in a ten minute period (4.5 inches per hour rate), with the remainder of the storm tapering off to lesser rates. So the average is correct, but the peak hour is much more important for practical purposes.

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The figures are similar. Find x. 9/15 4/x
Inessa [10]

9/15=4/x  

One solution was found :

                  x = 20/3 = 6.667

Rearrange:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :  

                    9/15-(4/x)=0  

Step by step solution :

Step  1  :

           4

Simplify   —

           x

Equation at the end of step  1  :

  9    4

 —— -  —  = 0  

 15    x

Step  2  :

           3

Simplify   —

           5

Equation at the end of step  2  :

 3    4

 — -  —  = 0  

 5    x

Step  3  :

Calculating the Least Common Multiple :

3.1    Find the Least Common Multiple

5 0
3 years ago
A circle has an area of 40 square meters. Which answer is closest to the measure of its diameter?
Cerrena [4.2K]

Answer: The correct answer is 7.12 m.

Step-by-step explanation:

The expression for the area of the circle is as follows;

A=\pi r^{2}

Here, A is the area of the circle and r is the radius of the circle.

Calculate the radius of the circle.

A=\pi r^{2}

Put A= 40 square meter and \pi=3.14.

40=(3.14) r^{2}

r=3.56 m

The expression for the diameter is as follows;

d= 2r

Here, d is the diameter of the circle and r is the radius of the circle.

Put r= 3.56 m.

d= 2(3.56)

d= 7.12 m

Therefore, the closest answer to the measure of the diameter of the circle is 7.12 m.

8 0
3 years ago
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What is the value of the expression 22 + 82 ÷ 22?
OLEGan [10]

Answer:

The answer is 25.72727272 repeating

Step-by-step explanation:

if you needed to simplify this answer it would be 26.

4 0
3 years ago
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