2 years ago

Please help me! Reward will be brainliest!

Mathematics

2 answers:

puteri [66]2 years ago

5 0

Answer:

(9, 12)

Step-by-step explanation:

zloy xaker [14]2 years ago

5 0

Answer:You will go 9 points the the right and 12 points up and that's the distance between the two points :D

Step-by-step explanation:

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2 years ago

The weekly earnings of students in one age group are normally distributed with a standard deviation of 47 dollars. A researcher

ELEN [110]

Answer:

Option D) 340

Step-by-step explanation:

We are given the following in the question:

Alpha, α = 0.05

Population standard deviation, σ = $47

Margin of error = 5

95% Confidence Interval:

$\mu \pm z_{critical}\frac{\sigma}{\sqrt{n}}$

$\text{Margin of error} = z_{critical}\frac{\sigma}{\sqrt{n}}$

Putting the values, we get,

$z_{critical}\text{ at}~\alpha_{0.05} = 1.96$

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Thus, the correct answer is

Option D) 340

7 0

3 years ago

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valentina_108 [34]

Answer:

105?

Step-by-step explanation:

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3 years ago

Read 2 more answers

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Sergio039 [100]

I believe it's $\sqrt[12]{2}$

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3 years ago

if i earned 250$ a week and put 25% away into savings, how much would i have in 3 years in my savings?

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Answer:

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Step-by-step explanation:

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2 years ago