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Oksana_A [137]
3 years ago
14

Ray LC is an angle bisector of ∠JLY, m∠JLC = (6x + 1)°, and m∠JLY = (10x + 16)°.

Mathematics
1 answer:
Sloan [31]3 years ago
3 0
4x + 15 = 6x - 1
x = 8
m∠JLC = 47°
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Suppose that 80% of all trucks undergoing a brake inspection at a certain inspection facility pass the inspection. Consider grou
Gwar [14]

Answer:

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Step-by-step explanation:

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We have to find the probability, that at least 9 trucks from 16 have good brakes, however fewer than 12 trucks from 16 have good brakes. That actually means the the number of trucks with good brakes has to be 9, 10 or 11 trucks from 16.

We have to find the probability of each event (9, 10 or 11 trucks from 16 will pass the inspection) .  To find the required probability 3 mentioned probabilitie have to be summarized.

So P(9/16 )=  C16 9 * P(good brakes)^9*Q(bad brakes)^7

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P(10/16)=16!/10!/6!*0.8^10*0.2^6=11*13*7*0.8^10*0.2^6=approx 0.007

P(11/16)=16!/11!/5!*0.8^11*0.2^5=13*21*16*0.8^11*0.2^5=approx 0.12

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7 0
3 years ago
In a recent survey, three out of every five students said they would prefer going to a water park for the class trip.
zhuklara [117]

Answer:

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8 0
3 years ago
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<h3>Answer:</h3>

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rewona [7]
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Radius = 29
3 0
3 years ago
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