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Anit [1.1K]
3 years ago
14

How do you do surface area? and this question

Mathematics
2 answers:
marta [7]3 years ago
6 0

Answer:

you take all the point from around then multiply and do the same with the base

Step-by-step explanation:

  • take 2 times 2.8
  • 12 times 4
  • 4 times 4
  • add them all
MaRussiya [10]3 years ago
5 0
You would have to multiply 2x2.8, 12x4 and 4x4 after this you add them together which I think equals 69.6
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Use the following table for questions 11-13.A baseball manager believes a linear relationship exists between the number of Home
slamgirl [31]

The regression equation of Y on X is given by the following formula:

Y-\bar{Y}=b_{yx}(X-\bar{X})

Where byx is given by the formula:

b_{yx}=\frac{N\sum^{}_{}XY-\sum^{}_{}X\sum^{}_{}Y}{N\sum^{}_{}X^2-(\sum^{}_{}X)^2}

Where N is the number of values (N=8). We need to find the sum of X values, the sum of Y values, the average of X, the average of Y, the sum of X*Y and the sum of X^2.

The table of values is:

The values we need to know are on the following table:

By replacing the known values in the formula we obtain:

\begin{gathered} b_{yx}=\frac{8\cdot26125-167\cdot995}{8\cdot4649-(167)^2} \\ b_{yx}=\frac{209000-166165}{37192-27889} \\ b_{yx}=\frac{42835}{9303} \\ b_{yx}=4.6 \end{gathered}

Now, the average of X and Y is the sum divided by N, then:

\begin{gathered} \bar{X}=\frac{167}{8}=20.87 \\ \bar{Y}=\frac{995}{8}=124.37 \end{gathered}

Replace these values in the formula and find the regression equation as follows:

\begin{gathered} Y-124.37=4.6(X-20.87) \\ Y-124.37=4.6X-4.6\cdot20.87 \\ Y=4.6X-96.11+124.37 \\ Y=4.6X+28.26 \end{gathered}

The answer is a) y=4.6x+28.26

7 0
1 year ago
The pool has a diameter of 5 feet and a height of 3 feet
BigorU [14]

Answer:

what are you asking

Step-by-step explanation:

cool?

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Answer:

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Step-by-step explanation:

you should replace every x with the number given which is here equals -4

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your answer is 5/6 is bigger
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