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anygoal [31]
3 years ago
5

HURRYYYYY ITS DUE IN 20 MINUTES

Mathematics
1 answer:
dedylja [7]3 years ago
3 0

Step-by-step explanation:

Volume of cylinder

πr²h = π×(12)²×(18)

Choco : Vanilla : Strawberry

3 : 2 : 1

to find volume of strawberry,

\frac{1}{6}  \times volume \: of \: cylinder

then use your calculator

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Use algebraic rules of equations to predict the solution to the system of equations. Include all of your work for full credit.
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2 years ago
It is known that the population variance equals 484. With a .95 probability, the sample size that needs to be taken to estimate
Hitman42 [59]

Answer:

The minimum sample size is n = 75 so that the desired margin of error is 5 or less.                          

Step-by-step explanation:

We are given the following in the question:

Population variance = 484

Standard deviation =

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Confidence level = 0.95

Significance level = 0.05

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Formula:

Margin of error =

E = z\times \dfrac{\sigma}{\sqrt{n}}\\\\n = (\dfrac{z\times \sigma}{E})^2

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Putting values, we get

E\leq 5\\\\1.96\times \dfrac{22}{\sqrt{n}} \leq 5\\\\\sqrt{n} \geq 1.96\times \dfrac{22}{5}\\\\n \geq (1.96\times \dfrac{22}{5})^2\\\\n \geq 74.373

Thus, the minimum sample size is n = 75 so that the desired margin of error is 5 or less.

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2 years ago
Multiply out and simplify: (x + 6)(x - 2)
Gwar [14]

Answer:

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Step-by-step explanation:

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It is 

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