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Makovka662 [10]
2 years ago
12

At 5 p.m., the total snowfall is 2 centimeters. at 10 p.m., the total snowfall is 10 centimeters. what is the mean hourly snowfa

ll? write your answer in simplest form as a fraction or mixed number.
the mean snowfall is (blank) centimeters per hour.
Mathematics
1 answer:
TEA [102]2 years ago
7 0

Answer:

The mean hourly snowfall is 2.5 centimeters

Step-by-step explanation:

The mean hourly snowfall is the number of centimeters that fell during the period divided by the number of hours.

From 5 P.M. to 9 P.M., there are 4 hours

At 5 P.M., the total snowfall is 2 centimeters.

At 9 P.M., the total snowfall is 12 centimeters.

So in those four hours, the depth of snow increases 12-2 = 10 centimeters

10/4 = 2.5

The mean hourly snowfall is 2.5 centimeters

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Is 13/ 4 the same as 3 1/4 ? Explain your answer in complete sentences. ​
Andrew [12]

Answer:

no it is not the same.

Step-by-step explanation:

it is not the same because 13/4 is smaller than 3/14. 3 1/4 includes a whole number, and 13/4 doesn't.

4 0
3 years ago
What is the sum of the exterior angle of a pentagon?​
fredd [130]

Answer:

360°

Step-by-step explanation:

The exteriors angles of a pentagon are (m + 5)°, (2m + 3)°, (3m + 2)°, (4m + 1)° and (5m + 4)° respectively. Find the measure of each angle. Hints: The sum of all exterior angles of a polygon is 360°.

3 0
3 years ago
Read 2 more answers
Rag the operation signs to make the equation true. An operation may be used once. More than once, or not at all × returned to ch
-BARSIC- [3]

Answer:

12/(7-4) + 5 * 3 = 19

Step-by-step explanation:

Given

Untrue Expression: 12 ( 7 − 4 ) + 5 3 = 19

Signs: +−×÷

Required

Use the given signs to make the equation true.

To solve this, the trial and error method will be adopted.

The trial and error method involves trying series of sign combinations in the given expression; whichever works is the right answer.

So, after few attempts the following makes the equation true

12/(7-4) + 5 * 3 = 19

To check if it's true or not; we simply expand the expression on the left hand side. This gives

12/3 + 5 * 3 = 19

4 + 5 * 3 = 19

4 + 15 = 19

19 = 19.

Hence, the sign combinations used in 12/(7-4) + 5 * 3 = 19 is correct.

3 0
2 years ago
The sum of and is -15/32 and 7/32 is
Degger [83]
It can be -8/32 or -0.25
3 0
2 years ago
Read 2 more answers
Sarah invested $125. She earned a simple interest of 2.5% on the
kykrilka [37]

Answer:

I(Interest) = $6.25

Step-by-step explanation:

The formula for Simple Interest

A = P(1 + rt)

Where

A = Amount after t years

P = Principal, initial amount invested = $125

r = Interest rate = 2.5%

t = time in years = 2 years

Step I

We the interest rate to a decimal

r = R/100 = 2.5%/100 = 0.025 per year.

Step 2

A = 125(1 + (0.025 × 2))

A = $131.25

The Amount received after 2 years = $131.25

The amount of interest Sarah received after 2 years

I = A - P

I = $131.25 - $125

I = $6.25

5 0
3 years ago
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