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777dan777 [17]
2 years ago
9

Why did the clock in the cafeteria run slow and Cheddarched Don’t delete my question

Mathematics
2 answers:
Bond [772]2 years ago
6 0

Answer:

part 1: first one: 7

Step-by-step explanation:

matrenka [14]2 years ago
4 0

Answer: It always went back four seconds!

Step-by-step explanation:

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Step-by-step explanation:

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3 years ago
How do you make fractions into decimals
ahrayia [7]

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you divide the nominator by the denominator

Step-by-step explanation:

For example:

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3 0
3 years ago
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The mean height of married American women in their early twenties is 64.5 inches and the standard deviation is 2.5 inches. The m
SSSSS [86.1K]

Answer:

The equation for regression line and predicting a husband's height for married couples in their early 20s

Equation: Y'=33.67+0.54*X'

Step-by-step explanation:

r=0.5

x'=64.5

Sx=2.5

y'=68.5

Sy=2.7

General regression line equation is:

Y'=a+b*X'

so the slope of the regression line is the linear correlation coefficient multiplied by the standard deviation for y' divided by the standard deviation for x'

b=r*\frac{S_{y}}{S_{x}}\\b=0.5*\frac{2.7}{2.5}\\b=0.54

The intercept with axis y is the mean of the decreased by the product of the slope and the mean of x

a=y'-b*x'\\a=68.5-0.54*64.5\\a=33.67

The equation regression line then is:

Y'=33.67+0.54*X'

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3 years ago
Calculate the Average of...
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You add them and then divide by how many numbers there are.

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How to create every number from 1-50 and I you could only use numbers 1,2,3,4
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3 years ago
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