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larisa86 [58]
3 years ago
5

Question 20

Mathematics
1 answer:
kenny6666 [7]3 years ago
6 0

Answer:

It is nCk = 8C4=70

Step-by-step explanation:

Use the combination formula for n = 8, k = 4

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The diameter of a circle 8 centimeters. What is the circles area?use 3.14 for n
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Answer:

50.24 cm^2

Step-by-step explanation:

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A = 50.24 cm^2

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The probability that a traffic light will be green is 40%. If you pass through 3 lights on your way to the store, what is the pr
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Answer:

0.216

Step-by-step explanation:

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The probability of a light being red is not affected by the colour of the previous light, so at each of the 3 lights, the probability of red is always 60%.

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3 years ago
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KonstantinChe [14]

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Step-by-step explanation:

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If the three  points are co-linear, there are infinitely many planes through the line that contains the three points.

If we  have three distinct points in 3-space then there is a plane that contains these three points.

The third statement holds true for three points R,S and T.

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- Dale needs to buy some pencils. Brand A has a pack of 48 pencils for $7.97. Brand B has a pack of 72 pencils for $9.88.
Oksanka [162]

Answer:

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Step-by-step explanation:

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it can't be the rest... ion even know how to explain it.

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