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MArishka [77]
3 years ago
11

What is an equation of the line that passes through the points (-4, -1) and (6, -1)

Mathematics
1 answer:
expeople1 [14]3 years ago
3 0

Answer:

y = -1

Step-by-step explanation:

y2 - y1 / x2 - x1

-1 - (-1) / 6 - (-4)

0

y = 0x + b

-1 = 0(-4) + b

-1 = 0 + b

-1 = b

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Answer:

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Step-by-step explanation:

Lets calculate areas:

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a) A circle of 2 inches of radius has an area of 2²π = 4π square inches, hence the probability of hitting that area is 4π/100π = 1/25 = 0.04

b) If the dart s within 2 inches of the rim, then it is not at distance 8 inches from the center (that is the complementary event). The probability for the dart to be at 8 inches of the center is 8²π/100π = 64/100 = 16/25 = 0.64, thus, the probability that the dart is at distance 2 or less from the rim is 1-0.64 = 0.36.

c) The first quadrant has an area exactly 4 times smaller than the area of the target (each quadrant has equal area), thus the probability for the dart to fall there is 1/4 = 0.25

d) If the dart is within 2 inches from the rim (which has probability 0.36 as we previously computed), then it will be equally likely for the dart to be in either of the 4 quadrants (the area that is within 2 inches from the rim forms a ring and it has equal area restricted on each quadrant). Therefore, the probability for the dice to be in the first qudrant and within 2 inches from the rim is 0.36*1/4 = 0.09.

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Step-by-step explanation:

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