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3 years ago

PLEASE I really need help

Mathematics

1 answer:

fredd [130]3 years ago

6 0

I would say Jupiter but i may be wrong

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The sum of a number and 15 is 63 find the number

tatuchka [14]

Answer:

x = 48

Step-by-step explanation:

$x+15=63\\x=48$

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Anika [276]

I believe the answer is A 3^7

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2 years ago

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The probability that an American CEO can transact business in a foreign language is .20. Twelve American CEOs are chosen at rand

NNADVOKAT [17]

Answer with Step-by-step explanation:

We are given that

The probability that an American CEO can transact business in foreign language=0.20

The probability than an American CEO can not transact business in foreign language= $1-0.20=0.80$

Total number of American CEOs chosen=12

a. The probability that none can transact business in a foreign language= $12C_0(0.20)^0(0.80)^{12}$

Using binomial theorem $nC_r(1-p)^{n-r}p^r$

The probability that none can transact business in a foreign language= $\frac{12!}{0!(12-0)!}(0.8)^{12}=(0.8)^{12}$

b.The probability that at least two can transact business in a foreign language= $1-P(x=0)-p(x=1)=1-((0.8)^{12}+12C_1(0.8)^{11}(0.2))=1-((0.8)^{12}+12(0.8)^{11}}(0.2))$

c.The probability that all 12 can transact business in a foreign language= $12C_{12}(0.8)^0(0.2)^{12}$

The probability that all 12 can transact business in a foreign language= $\frac{12!}{12!}(0.2)^{12}=(0.2)^{12}$

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3 years ago

A plant has a height of 8 1/4 inches what is the height of the plant after it grows 1 7/8 inches?

laila [671]

Answer:

Step-by-step explanation:

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2 years ago

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What is { 1 + 7 - 6 + 99 }

Igoryamba

1 + 7 - 6 + 99 = 101

Step-by-step explanation:

7 + 1 = 8

8 - 6 = 2

99 + 2 = 101

Hope to be brainliest! #SpreadTheKnowledge

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3 years ago

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