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Effectus [21]
2 years ago
13

See attachment below.

Mathematics
1 answer:
larisa86 [58]2 years ago
4 0

<u>27</u><u>.</u><u>2</u><u> </u><u>in</u><u>.</u>

Step-by-step explanation:

Using 2 pi r theta over 360°

Arc length =2/3 x pi x 13 in.

=27.227136 in.

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A die with six faces has the number 1 painted on three of its faces, the number 2 painted on 2 of its faces, and number 3 on one
salantis [7]

Answer:

a) S = {1, 2, 3}

b) P(odd number) = \frac{2}{3}

c) No

d) Yes

Step-by-step explanation:

a) The sample space is the set of all possible outcomes. By definition, the elements of a set should not be repeated. Hence, the sample space S = {1, 2, 3}

However, the sample is not equiprobable because each element has different probabilities.

b) P(odd number) = \frac{number of odd digits}{number of faces}=\frac{4}{6}=\frac{2}{3}

Note that the odd numbers are 1 (on three faces) and 3 (on one face).

c) The fact the die has been biased does not change the possible outcomes. It only changes the probability of getting any given number.

d) Because the 3-face has been loaded, this probability changes. In fact, it is calculated thus:

Let's assume the probability for 1 or 2 is x. Then that of 3 is 2x(because it is twice the others). The sum of probabilities must be 1.

x+x+x+x+x+2x=1

7x=1

x=\frac{1}{7}

P(odd number) = 3\timesProb(1) + Prob(3)

= 3\times\frac{1}{7}+\frac{2}{7} = \frac{5}{7}

7 0
3 years ago
Plz help
Lina20 [59]
This question makes no sense
7 0
3 years ago
Please helppppppppppppp
Serggg [28]

Answer:

101

HOPE THIS HELPS

- Todo ❤️

Step-by-step explanation:

Suplemetary angles

180-79=101

4 0
2 years ago
A circular pan has a diameter of 8 inches. What is the exact area of the pan?
NISA [10]
You would divide the diameter in half to get the radius which is 4. And do the formula which is a=pie(r) squared. So the answer would be 50.24
8 0
3 years ago
Read 2 more answers
The graph of y=-3x+4 is:
Mariulka [41]

y=-3x+4

this is a line with slope -3 and y intercept of 4

the line is all the points that are the solutions to the equation

D.a line that shows the set of all solutions to the equation


4 0
3 years ago
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