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Trava [24]
3 years ago
8

Calculate the circumference of the inscribed circle. [Use π = 3]

Mathematics
2 answers:
kiruha [24]3 years ago
6 0

Answer:

To answer the question, we need a radius or diameter. For know, I hope this equation helps.

Step-by-step explanation:

C=2π<em>r</em>

Circumference = 2 (pi) radius

For your problem, it says to use 3 for pi.

C=2(3)<em>r</em>

*If you have the diameter, but not the radius, divide that number by 2. Your radius is half the diameter.

Tju [1.3M]3 years ago
3 0

Answer:

b 36

Step-by-step explanation:

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Step-by-step explanation:

1)

\frac{2}{3} +\frac{4}{5} =\frac{10+12}{15}=\frac{22}{15} .

2) the same value of the denominator of the fractions.

3) 4²*2²=16*4=64 or 4²*2²=(4*2)²=8²=64.

Megan's answer is correct.

4) if the given length is 2,25=9/4 (feet), then the length of each piece is 9/4 :3=3/4=0.75 (feet) or 3/4*12=9 (inches).

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6 0
2 years ago
A driving exam consists of 30 ​multiple-choice questions. Each of the 30 answers is either right or wrong. Suppose the probabili
Butoxors [25]

Answer:

a. P(x>20)=0.19

b. P(x≥6)=0.72

c. P(x≤20)=0.81

d. A and C

Step-by-step explanation:

We know that:

1) the probability that a student makes fewer than 6 mistakes is 0.28

P(x

2) The probaiblity that a student makes between 6 to 20 mistakes is 0.53.

P(6\leq x\leq20)=0.53

We will express the proabilibities in function of the information we have.

a. Probability that a student makes more than 20 mistakes.

P(x>20)=1-P(x\leq20)=1-(P(x20)=1-(0.28+0.53)=1-0.81=0.19

b. Probability that the student make 6 or more mistakes

P(x\geq6)=1-P(Px

c. Probability that a student makes 20 mistakes at most

P(x\leq20)=P(x

d. A and C, because A takes a event of more than 20 mistakes and C takes the event of 20 or less mistakes. Both events cover a probability of 1.

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3 years ago
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