3 years ago

What are gifts of money that can be used for college expenses?

SAT

1 answer:

iris [78.8K]3 years ago

6 0

It might be tuitions or grants.

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The in this passage is a common characteristic of the romantic movement.

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The what? What passage?

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How does the kitchen setting affect both arturo and martin

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Answer:Arturo usually feel comfortable in the restaurant. But today, in the kitchen, he working for martin, who refuse to treat him specially.

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2 years ago

What's the correct answer

zaharov [31]

A. have and are. those are the right answers.

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3 years ago

An astronaut takes what he measures to be a 10-min nap in a space station orbiting earth at 8000 m/s. A signal is sent from the

dangina [55]

Answer:

The astronaut was asleep longer on earth then he was in space

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calculate the boring stuff (speed, time) and it shows that he was asleep for a greater value in space

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3 years ago

A political candidate has asked his/her assistant to conduct a poll to determine the percentage of people in the community that

Alexxandr [17]

Answer:

The size of the sample needed = 67.65

Explanation:

Given that :

The margin of error = 10% = 0.10

The confidence level = 90% = 0.90

Level of significance = 1 - 0.90 = 0.10

At ∝ = 0.10

$Z_{\alpha/2}= Z_{0.10/2} = 1.645$

Since the proportion of people that supported him/her is not given, we assumed p = 0.50

The margin of error formula can be expressed as:

$M.O.E = Z_{\alpha/2} \times \sqrt{\dfrac{p(1-p)}{n}}$

$0.10 = 1.645 \times \sqrt{{\dfrac{0.5(1-0.5)}{n}$

Squaring both sides; we have:

$0.10^2 = 1.645^2 \times {\dfrac{0.5(1-0.5)}{n}$

$0.01 = 2.706025 \times \dfrac{0.25}{n}$

$n= 2.706025 \times \dfrac{0.25}{0.01 }$

n = 67.65

Therefore, the required sample size = 67.65

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3 years ago