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Alex787 [66]
3 years ago
6

Stephen Kiprotich, the 2012 Olympic marathon winner, completed the 26.219 miles in 128 minutes. What was his speed in kilometers

per minute?
Mathematics
1 answer:
EleoNora [17]3 years ago
3 0

Answer:

0.205 (rounded)

Step-by-step explanation:

Perform long division by multiplying the numbers by 1000 to remove the decimals and then solving. Or you could have just used a calculator lol. So I did like 5 digits of it, and you could just round to 0.205, I wouldn't go too far with the decimals even though it is a terminating decimal I believe.

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Jordan made this design from three pieces of square shaped cloth. What is the total area of design Jordan made? EXPLAIN how u fo
dezoksy [38]

Applying the area of a square, the total area of the design is: <em>116 cm²</em>

<h3>Area of Square</h3>

A square has equal side lengths, s, this, the area of a square is given as: A = s².

The three pieces of square shaped cloth that Jordan made the design from is shown in the image attached below.

To find the total area of the design, find the area of each square shaped cloth and add all together.

Thus, applying the area of a square, the total area would be:

Total Area = 4² + 6² + 8²

Total Area = <em>116 cm²</em>

Learn more about area of square on:

brainly.com/question/16758129

7 0
3 years ago
Given the table of the following quadratic function, which statement about this function is NOT true?
kipiarov [429]

Answer:

C. The minimum of the function f(x) is 8.

Step-by-step explanation:

The curve opens downward so 8 is a maximum.

6 0
4 years ago
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Solve x + x + 2 + 2x = -2 for x
kakasveta [241]

Answer:

-1

Step-by-step explanation:

4x=-4

X = - 1

That's itt

8 0
4 years ago
What is 52divided by 8
scoray [572]
The answer to 52\8 is 6.5.
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3 years ago
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The standard deviation is expressed in absolute terms (i.e. in the same unit of measure as the data: lbs;inches;dollars;etc) whi
NikAS [45]

Answer:

a) True

Step-by-step explanation:

The given statement is true.

\text{Standard Deviation} = \sqrt{\displaystyle\frac{\sum (x_i -\bar{x})^2}{n-1}}  

where x_i are data points, \bar{x} is the mean and n is the number of observations.  

Mean = \displaystyle\frac{\text{Sum of all observations}}{\text{Total number of observation}}

The standard deviation express the variation of data from the mean and therefore, have the same unit as the data like lbs, inches, dollars, etc.

Coefficient of variation on the other hand is the ratio of standard deviation and mean. It is also a measure of dispersion but since it is a ratio, the units cancel each other.

C.V = \dfrac{s}{\bar{x}}

Thus, coefficient of variation is dimensionless.

Thus, it is a relative measure.

3 0
3 years ago
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