2 years ago

Bottom#9 Find the value of X. Round answer to nearest tenth please.

Mathematics

1 answer:

Alik [6]2 years ago

7 0

The answer is arctan(16/17). Use a calculator to evaluate it.

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Use the formula to find the standard error of the distribution of differences in sample means, x¯1-x¯2 . Samples of size 110 fro

Volgvan

Answer:

2.104

Step-by-step explanation:

Data provided in the question:

For sample 1,

n₁ = 110

μ₁ = 94

s₁ = 14

For sample 2,

n₂ = 85

μ₂ = 72

s₂ = 15

Now,

Standard error = $\sqrt{\frac{s^2_1}{n_1}+\frac{s^2_2}{n_2}}$

Standard error = $\sqrt{\frac{14^2}{110}+\frac{15^2}{85}}$

Standard error = √4.43

Standard error = 2.104

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2 years ago

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Studentka2010 [4]

Answer:

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Step-by-step explanation:

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2 years ago

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julsineya [31]

Answer:

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Step-by-step explanation:

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2 years ago

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220 miles on 8 gallons. How many miles in one gallon?

Likurg_2 [28]

Answer:

Tune answer is 27. 5

Step-by-step explanation:

220/8=27. 5

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2 years ago

Pls help with this question! Its due today!

blagie [28]

Answer:

down below.

Step-by-step explanation:

straight lines are always 180.

$x+34+2x+2=180\\3x+36=180\\3x+36-36=180-36\\3x=144\\3x/3=144/3\\x=48$

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3 years ago