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aalyn [17]
3 years ago
15

How do you write 21% as a fraction, mixed number, or whole number?

Mathematics
1 answer:
saul85 [17]3 years ago
8 0

Answer:

21/100 = .21 = 21%

Step-by-step explanation:

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What does a letter with a line over it mean
Helga [31]

Step-by-step explanation:

The line above the letter means "complement". If X is a set, the the complement of X (denoted by X with a line above it) is the set of all things not in X...If X is a set, then the complement of X (denoted by X with a line above it) is the set of all things not in X.

Sorry if it was complicated

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What are the partial products of 42x5?
polet [3.4K]
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Write and solve an equation for the following.
Alenkinab [10]

Answer:

4+ \frac{1}{2}x = 3

Step-by-step explanation:

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3 years ago
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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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