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Mrac [35]
3 years ago
5

The circumference of a circle is 28 x inches. What is the length of the radius of this circle?

Mathematics
1 answer:
meriva3 years ago
4 0
Answer: 14



Explanation: The radius is half of the value of the circumference.
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If the first chapter of a certain book is 16 pages long and makes up 4% of the book, how many pages does the entire book have?
galina1969 [7]
If 16 pages equal to 4%, how many pages will equal to 100%?

4/100 = 16/x
4x=1600
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So total pages should be 400.
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1) A radio signal travels from the earth and through space at a speed of 300,000 km/s. How far into space would the signal trave
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Answer:

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3 years ago
EasyElectrics supermarket orders light bulbs from suppliers, AA Electronics and AAA Electronics. EasyElectrics purchases 30% of
saw5 [17]

Answer: (a) 0.006

               (b) 0.027

Step-by-step explanation:

Given : P(AA) = 0.3 and P(AAA) = 0.70

Let event that a bulb is defective be denoted by D and not defective be D';

Conditional probabilities given are :

P(D/AA) = 0.02 and P(D/AAA) = 0.03

Thus P(D'/AA) = 1 - 0.02 = 0.98

and P(D'/AAA) = 1 - 0.03 = 0.97

(a) P(bulb from AA and defective) = P ( AA and D)

                                                       = P(AA) x P(D/AA)

                                                       = 0.3 x 0.02 = 0.006

(b) P(Defective) = P(from AA and defective) + P( from AAA and defective)

                         = P(AA) x P(D/AA) + P(AAA) x P(D/AAA)

                         = 0.3(0.02) + 0.70(0.03)

                         = 0.027

3 0
3 years ago
When you solve for the area of a circle, and you get a answer, do you have to put squared?
SSSSS [86.1K]
It's not a must so you don't really have to it depends on the question
6 0
3 years ago
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