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Vaselesa [24]
3 years ago
12

Find the circumference of the circle. round your answer to the nearest centimeter.

Mathematics
1 answer:
Julli [10]3 years ago
7 0
What is the radius of the circle? 
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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
Mark drove 50 percent of the distance.
Lapatulllka [165]
Break everything into 8ths.

50% = 1/2=4/8

4/8+1/8=5/8
the remaining distance is 8/8-5/8. so 3/8, not 1/4
6 0
3 years ago
PLEASE HELP !!!! ILL GIVE BRAINLIEST !!!
devlian [24]
Alternate exterior angles lie on the outer part and are opposite each other
4 and 6
1 and 7
7 0
3 years ago
Help please? Im so lost...
posledela

Answer:

d. 89 degrees

cuz they're alternate interior angles

hope that helps uhh!! :)

4 0
3 years ago
Does anyone know this?
Aneli [31]

Answer:

I am pretty sure its 45 degrees

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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