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Colt1911 [192]
3 years ago
15

What is the area of a circle with a diameter of 26 centimeters?

Mathematics
1 answer:
Gennadij [26K]3 years ago
8 0
A=πr² 

A=π13²

A=530.93
hope this helped
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Can you solve and explain the steps you world use in solving 2 step equations?
DaniilM [7]

Step-by-step explanation:

First, add or subtract both sides of the linear equation by the same number.

Secondly, multiply or divide both sides of the linear equation by the same number.

4 0
3 years ago
Which is greater, 2 or -13?
sineoko [7]
Positive numbers are always greater than negative numbers.

Therefore 2 > -13. In words, 2 is greater than -13.
6 0
3 years ago
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Identify the slope of the line for the equation y = 10x + 3.
Iteru [2.4K]

Answer:324

Step-by-step explanation:

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7 0
3 years ago
The table below shows data from a survey about the amount of time students spend doing homework each week. The students were in
nadezda [96]

Answer:

The correct option is;

Both spreads are best described by the standard deviation

Step-by-step explanation:

The given information are;

,                                    College                       High School

High,                              20                               20

Low,                                6                                 3

Q₁,                                   8                                 5.5

Q₃,                                  18                                16

IQR,                                 10                                10.5

Median,                           14                                11

Mean,                              13.3                             11

σ,                                      5.2                             5.4

Checking for outliers, we have

College

Q₁ - 1.5×IQR gives 8 - 1.5×10 = -7

Q₃ + 1.5×IQR gives 18 + 1.5×10 = 33

For high school

Q₁ - 1.5×IQR gives 5.5 - 1.5×10.5 = -10.25

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Therefore, there are no outliers and the data is representative of the population

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The difference between the low and the high is also approximately 3 standard deviations

Therefore the college spread is best described by the standard deviation

Similarly for the high school students, the IQR is approximately two standard deviations, the  difference between the mean, 11 and Q₁, 5.5, and between Q₃, 16 and the mean,11 is approximately the standard deviation, σ, 5.4

Therefore the high school spread is also best described by the standard deviation.

4 0
3 years ago
EVALUATE THE FOLLOWING:<br> A) 85!/82!<br> B) nC0<br> C) nPn
Leno4ka [110]

Answer:

Step-by-step explanation:

85!/82! = 85*84*83 = 592620

n choose 0 is always equals 1

n P n also always equals 1

5 0
1 year ago
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