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Whitepunk [10]
3 years ago
10

Find the distance between two points (4, 5), (-4, -1)

Mathematics
1 answer:
dimaraw [331]3 years ago
4 0

Answer:

distance = 10 units

Step-by-step explanation:

(x.y) = \sqrt{(-4-4)^{2}+(-1-5)^{2} }= 10

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What is the equation of the line best fit for the following data? Round the slope and y-intercept of the line to three decimal p
kari74 [83]

Answer:

y=1.383x-1.526

Step-by-step explanation:

The given data table is

x :        4       7       10       12       13

y :        5       7       12       14       18

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The general form of a best fit line is

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where, m is slope and b is y-intercept.

m=\frac{\sum_{i=1}^nx_iy_i-n\overline{x}\overline{y}}{\sum_{i=1}^nx_i^2-n\overline{x}^2}

b=\overline{y}-b\overline{x}

Using the graphing calculator we get

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Substitute m=1.383 and b=-1.526 in equation (1).

y=1.383x-1.526

Therefore, the equation of best fit line is y=1.383x-1.526.

4 0
3 years ago
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What is the result of substituting for y in the bottom equation?
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The answer is the option A, which is: A. x-7=x²+2x-4
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To solve this problem you must apply the proccedure shown below:
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0.06x0.06 = 0.0036 

dont wory about the zeros just the actual numbers than add the zeros
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3 years ago
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