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gulaghasi [49]
3 years ago
10

NEED HELP PLEASE: Four shaded circles, each of radius 4 feet, are packed in a square as shown. Suppose you drop a coin onto the

square at random. What is the probability that the center of the coin lands in a non-shaded area?

Mathematics
1 answer:
GarryVolchara [31]3 years ago
6 0

Answer:

16.0%

Step-by-step explanation:

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Analyze tables use the table that shows the percents of blood types of 145 donors during a recent blood drive
Alenkinab [10]

Answer:

a. 16

b. 80

c. Blood type AB

Step-by-step explanation:

Given:

O = 45%

A = 40%

B = 11%

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Total number of donors = 145

a. No. of donors that had type B blood = \frac{11}{100}*145 = \frac{1,595}{100} = 15.95

Type B blood donors ≈ 16

b. No. of blood donors without blood type O = \frac{40 + 11 + 4}{100}*145 = \frac{55}{100}*145 = \frac{7,975}{100} = 79.75

Those without blood type O ≈ 80

c. Find the number of people that had type AB:

Type AB = \frac{4}{100}*145 = 5.8 ≈ 6. This is less than 10 donors.

Therefore, blood type AB had less than 10 donors.

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3 years ago
I NEEEEEEEEEEED HELP!
lubasha [3.4K]

Answer:

c

Step-by-step explanation:

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There are exactly 360° in a circle, so the angle measure would be 3/360 * 360 = 3°.

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What is the number pie
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You meant pi, pi is a irrational number, but they use 3.14 for approximation, so that is your answer.

Hope this helped!

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