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dexar [7]
3 years ago
8

A wheel with a diameter of 21 inches is rolling on a farm. After 100 revolutions, approximately how many inches has the wheel tr

aveled? Use 22/7 for pi
Mathematics
2 answers:
makvit [3.9K]3 years ago
6 0

Answer:69420

Step-by-step explanation:

if you go 21 inches down a 100 inch slope you will be 79 inches

Igoryamba3 years ago
3 0
It’s 69420...........................
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What is true of the coefficient of​ variation?
DedPeter [7]

Answer:

A. The coefficient of variation is best used when comparing two data sets that use the same units of measure.

Step-by-step explanation:

The coefficient of variation (CV), is simply the standard deviation (itself a measure of variance or variation) relative to the mean of a distribution.

The coefficient of variation expresses a random variable’s variability in percentage terms. Therefore it is possible, through the coefficient of variation, to compare the variability of data across different samples, especially if the random variables are recorded in different units of measurement (such as cm, kg and minutes).

A coefficient of variation is always interpreted as a percentage. <u>Mathematical representation is:</u>

Coefficient\ of\ variation\ = \frac{Standard\ deviation}{Mean}\ \%

The coefficient of variation is best used when comparing two data sets that use the same units of measure.

Hence, the option (A) is the correct option.

5 0
3 years ago
What is the equation of the line that passes through the point (- 1, 5) and is parallel to the line y = - 3x + 5
Harlamova29_29 [7]

Answer:

<h2>          y - 5 = -3(x + 1)</h2>

Step-by-step explanation:

Parallel lines has the same slope.

The equation of a line that passing through point (x₁, y₁) with a slope of m is:

y - y₁ = m(x - x₁)

m = -3

(-1, 5)   ⇒  x₁ = -1,  y₁ = 5

Therefore the equation:

y - 5 = -3(x + 1)

5 0
3 years ago
The left and right page numbers of an open book are two consecutive integers whose sum is 195
marusya05 [52]

Answer:

97, 98

Step-by-step explanation:

a = first number

a + 1 = consecutive number

then:

a + a+1 = 195

2a + 1 = 195

2a = 195 - 1

2a = 194

a = 194/2

a = 97

a + 1 = 98

Check:

97 + 98 = 195

8 0
2 years ago
Why is it that sin 5π
nika2105 [10]
Because arcsin or sin-1 only gives outputs that are in the first and fourth quadrant.
5pi / 6 is in the second quadrant.
7 0
3 years ago
In these triangles, side AB is congruent to ide DF, and see is congruent to
kompoz [17]

Answer:

hope it helps you see the attachment for further information

3 0
3 years ago
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