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Alex
3 years ago
12

I need help remembering how to solve for the equation of best fit

Mathematics
1 answer:
Fynjy0 [20]3 years ago
8 0
<span>Here is a step by step process of how to do the paper and pencil solution:1.  Prepare a scatter plot of the data on graph paper.2.  Using a strand of spaghetti, position the spaghetti so that the plotted points are as close to the strand as possible.

3.  Find two points that you think will be on the "best-fit" line.  

<span>4.  </span>We are choosing the points (9, 260) and (30, 530).  
You may choose different points. 5.  Calculate the slope of the line through your two points (rounded to three decimal places).6.  Write the equation of the line. 7.  This equation can now be used to predict information that was not plotted in the scatter plot.  
<span><span>Question: </span>Predict the total calories based upon 22 grams of fat.</span><span>ANS: </span><span>427.141 calories</span></span>
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Sandy plays tennis once every 6 six days. Jim plays once every 8 eight days. If they both played tennis today, in how many days
tiny-mole [99]

Answer: 24 days

Step-by-step explanation:

Sandy plays tennis once every 6 six days while Jim plays tennis once every 8 eight days.

To get the number of days they will play on the same day again, we find the lowest common multiple for the numbers.

The lowest common multiple is the smallest positive integer which is evenly divisible by both 6 and 8.

6 = 6, 12, 24, 30

8 = 8, 16, 24, 32

The lowest common multiple is 24.

In 24 days, they will play on the same day again

8 0
3 years ago
Solve the proportion. 2x/5 = 9/15
Over [174]

x = 3/2

Getting x on one side of the equation:

(2/5)x = 9/15

x = (9/15)(5/2)

x = 9/6

x = 3/2

4 0
3 years ago
Read 2 more answers
Highlight (1) Calculator
melisa1 [442]
Answer- 16
explanation- that’s what it is
4 0
3 years ago
Anne has 24 pencils in a box.eighteen has #2 marked on them and the 6 are marked #3.what is fraction of pencils are marked 3
Arada [10]
1/4 because 6/24 can be simplified all the way down to 1/4
6 0
2 years ago
Write the equation of the directrix of the conic section shown below.
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<span>The equation of the directrix of the conic section </span>y^2 + 16y + 4x + 4 = 0 is x = 16.
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