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kodGreya [7K]
3 years ago
8

Brad thought he would get 13 questions on his test but actually got 15 what is the percent of error

Mathematics
1 answer:
LenKa [72]3 years ago
3 0
13 of 25 would mean that the percent of error is 86%
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Step-by-step explanation:

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Brainliest ! 40 points , pls answer all or don't answer
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Answer:

The answer to your question is below

Step-by-step explanation:

1.- Find the volume of the cylinder

Data

diameter = 9 cm

radius = 4.5 cm

height = 15 cm

Formula

   V = πr²h

   V = π(4.5)²(15)

  V = 303.75π         This is te answer for the volume in terms of π

       = 952.78 cm³                

2.- Find the volume of the cylinder

height = 40 yd

radius = 12 yd

Formula

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       = 18086.4 cm³

3.- What is the height .......

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Area of the base = 11 x 11 = 121 cm²

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2 years ago
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37. A square has an area of 75 square meters.
alina1380 [7]

Answer:

C. 8.7 meters will be closest length

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2 years ago
What is the sum of all the integers between -20 and 20
Valentin [98]

Answer:

Zero

Step-by-step explanation:

Because integers are equal in magnitude but opposite in sign, therefore they will cancel out each other leaving zero as answer.

- 20  - 19 - 18 - 17 - 16 - 15.. - 1 + 0 +  \\ 1 ..... + 15 + 16 + 17 + 18 + 19 + 20 \\  = 0

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PLEASSSEEE ELXPLAIN THE ANSWER I REALLY NEED HELP ON THIS
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Answer:

It will take him <u>20 days</u> to read a 300-page book.

Step-by-step explanation:

Given:

Stephen read a 90-page book in 6 days.

If he continues reading at that rate.

Now, to find the time it will take him to read a 300-page book.

So, we solve using unitary method:

If, Stephen read 90 pages in 6 days.

So, Stephen read 1 page in = \frac{6}{90} days.

Thus, Stephen read 300 page in = \frac{6}{90} \times 300

=\frac{1800}{90}

=20\ days.

Therefore, it will take him 20 days to read a 300-page book.

4 0
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