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Ann [662]
3 years ago
12

A coach writes the batting order of his starting 9 out of the team of 20 on a piece of paper. How many different ways could the

list be written?
Mathematics
1 answer:
Leni [432]3 years ago
5 0

Answer:

Total number of orders = 77,520

Step-by-step explanation:

Given:

Number of students on team = 20

Number of students on the starting line =9

Find:

Total number of orders

Computation:

Total number of orders = 20! / [20 - 7]!(7!)

Total number of orders = 20! / [13]!(7!)

Total number of orders = [20 x 19 x 18 x 17 x 16 x 15 x 14] / [7 x 6 x 5 x 4 x 3 x 2 x 1]

Total number of orders = 77,520

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You roll two dice. What is the probability that the average of the high and low roll is exactly 3, to four decimal places?
Sladkaya [172]

Answer:

0.1111

Step-by-step explanation:

Given that you  roll two dice.

the average of the high and low roll is exactly 3,

Since die can show only 1 to 6 we can say average can be 3 in each of the following case.

(1,5) (2,4) (3,3) (4,2) (5,1)

There cannot be any other combination to get average of 3.

Thus favourable events = 4

Sample space will have

(1,1)...(1,6)

(2,1)....

(6,1)...(6,6) i.e. 36

So probability that the average of the high and low roll is exactly 3

=\frac{4}{36} \\=0.1111

8 0
3 years ago
Find the apothem and area of a square with a radius of 9.
Nonamiya [84]

Answer:

I think the answer is 18 square or 324.

Step-by-step explanation:

6 0
3 years ago
What is how do I find m and b?
IrinaK [193]

Answer:

<h2>m = 21, b = 5 → y = 21x + 5</h2>

Step-by-step explanation:

The slope-intercept form of an equation of a line:

y=mx+b

<em>m</em><em> - slope</em>

<em>b</em><em> - y-intercept → (0, b)</em>

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

=====================================

From the table we have y-intercept (0, 5) → <em>b = 5 </em>and other point (1, 26).

Calculate the slope:

m=\dfrac{26-5}{1-0}=\dfrac{21}{1}=21

8 0
3 years ago
Which points in the scatter plot are outliers?
____ [38]
Its H and K.... they are the only 2 dots that are not in the close group
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3 years ago
Read 2 more answers
PLEASE HURRY I WILL GIVE 20 POINTS
Viktor [21]

Answer:

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Step-by-step explanation:

6 0
2 years ago
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