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Mathematics

1 answer:

3241004551 [841]3 years ago

8 0

The numbers are 9 and 27.

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A coin is tossed three times. what is the probability of getting two heads and one tail?

Lera25 [3.4K]

If the order doesn't matter, then the probability is 37.5%
If it has to be head head tail, then the probability is 12.5%

If the order doesn't matter, the possible outcomes that have two heads and one tail are HHT, HTH, and THH. Since these all have a probability of 12.5% of occuring, the probability of any of them occuring is 37.5%

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3 years ago

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Guys can you please help me I really dont understand algebra?

KonstantinChe [14]

Yes it is linear since it's in the standard form Ax+By = C

A = 2

B = -8

C = 16

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2 years ago

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A kite was flying 50 ft high from ground level. Suddenly it loses 20 ft in height due to wind.

goldfiish [28.3K]

Answer:

30ft

Step-by-step explanation:

50- 20 = 30

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Seraphina is driving two hours to visit her family. For the first hour, she traveled at a speed of 62 miles per hour. Then, in t

Murljashka [212]

Answer:

11.3%

Step-by-step explanation:

$\%\ increase=\frac{final-initial}{initial} \times 100\%\\\%\ increase=\frac{69-62}{62} \times 100\%\\\%\ increase=\frac{7}{62} \times 100\%\\\%\ increase=11.3\%$

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3 years ago

Researchers ask a random sample of 1,001 adults nationwide whether they favor or oppose the legalization of marijuana. Fifty-fiv

natima [27]

Answer:

b. It will decrease by a factor of 2

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of $\pi$ , and a confidence interval $1-\alpha$ , we have the following confidence interval of proportions.