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2 years ago

Y=-2/3x+2, y=3/2x+8 these lines are A) parallel B)perpendicular C)neither

Mathematics

1 answer:

OLga [1]2 years ago

7 0

Answer:

B) perpendicular

Step-by-step explanation:

i graphed them

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You previously found the mean of this data set. Use that in answering the question. 63, 89, 92, 73, 79, 72, 34, 36, 94, 21, 25,

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Answer:

Sum of squares of differences = 11239.74

Step-by-step explanation:

We are given the following data set:

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We have to calculate the sum of square of the data set.

Formula:

$\text{Sum of square of differences} = \sum (x_i -\bar{x})^2$

where $x_i$ are data points, $\bar{x}$ is the mean and n is the number of observations.

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$Mean =\displaystyle\frac{962}{15} = 64.13$

Sum of squares of differences =

1.284444444 + 618.3511113 + 776.5511113 + 78.61777778 + 221.0177779 + 61.88444445 + 908.0177776 + 791.4844443 + 892.017778 + 1860.484444 + 1531.417778 + 833.2844446 + 1775.217777 + 669.0844446 + 221.0177779

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