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spayn [35]
3 years ago
9

Henge

Mathematics
1 answer:
stiks02 [169]3 years ago
3 0

Answer:

$356.78

Step-by-step explanation:

$178.39 * 2

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the volume of the rectangular prism shown below is 96 cubic feet. The dimensions of the prism base are 4 feet and 3 feet. What i
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Height=volume:base area
96:(4*3)= 96:12=8
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A bivariate data set has x = 21, sx = 13, y = 55, sy = 27, and r = .88. What is the equation for the regression line of y on x?
earnstyle [38]

Answer:

c) y=16.57+1.83x

Step-by-step explanation:

Equation for regression line of y on x is given as

\hat{y}=mx+b --- (1)

where

\hat{y} = predicted value

m = slope of line

b = intercept

m and b are found as

m=r\frac{S_{y}}{S_{x}}---(2)\\\\b=\bar{y}-m\bar{x}---(3)

r = correlation coefficient = 0.88

Sx = standard deviation for independent variable x = 13

Sy = standard deviation for dependent variable y = 27

\bar{x} = mean value of independent variable x = 21

\bar{x} = mean value of dependent variable y = 55

Substituting these values in (2) and (3)

m=r\frac{S_{y}}{S_{x}}\\\\m=(0.88)\frac{27}{13}\\\\m=1.83

b=\bar{y}-m\bar{x}\\\\b=55-(1.827)(21)\\\\b=16.57

Putting these values of m and b in (1)

y=1.83x+16.57

5 0
3 years ago
Brian compared the decimals 66.10, 21.10, and 66.11.
kogti [31]
Your answer is C hope this helps
3 0
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I NEED HELP PLEASE!!!!!!!
Nostrana [21]
1) 7 hours and 33 minutes
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I don’t understand this and I’ve been trying to figure it out but I’m lost
Levart [38]

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<u>Step-by-step explanation:</u>

The Annual Expenses are:

  • Car Insurance =  $850
  • <u>             Books </u>=  <u>$400 </u>

                       Total = $1250

There are 12 months in a year so divide the Annual Expense by 12:

\dfrac{1250}{12}          

   <u>    1 0 4</u>

12 ) 1250

    <u> -12↓↓ </u>

          5↓

       <u> - 0↓  </u>

           50

       <u>  - 48 </u>

             2      ← The remainder is less than one-half so don't round up

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