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4 years ago

48.073 rounded to the nearest hundredth

Mathematics

1 answer:

aleksandrvk [35]4 years ago

7 0

Number: 48.073

Nearest: hundredths (2 decimal)

Result: 48.07

hope this helped and hope its correct tell me it its not !!!

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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

NEED HELP QUICK NO LINKS PLEASE!

Juli2301 [7.4K]

Answer:

3. 4x^2y

Step-by-step explanation:

The GCF of 36 and 14 is 4.

The GCF of x^2y and x^2y^2 is x^2y

Multiply the two GCF and you get 4x^2y

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3 years ago

Read 2 more answers

Divide. Round to the nearest tenth? 2.1/1.488

Keith_Richards [23]

2.1/1.488
=1.41129

Rounded to the nearest tenth is, 1.4.

I hope this helped! ;)

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3 years ago

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The probability of pulling an orange is 2 out of 5 if I 20 times how many of them would be orange

telo118 [61]

The answer would be 8.

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3 years ago

I need help understanding square roots

Vlad [161]

I wonder if you mean to write $\sqrt[3]{256}$ in place of $3\sqrt{256}$ ...

If you meant what you wrote, then we have

$\sqrt{256}=\sqrt{16^2}=16$

$3\sqrt{256}=3\cdot16=48$

If you meant to write $\sqrt[3]{256}$ (the cube root of 256), then we could go on to have

$\sqrt[3]{256}=\sqrt[3]{16^2}=\sqrt[3]{(4^2)^2}=\sqrt[3]{4^4}=\sqrt[3]{4^3\cdot4}=4\sqrt[3]4$

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3 years ago