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Alex
3 years ago
15

4x-5x+7-9y+2x+34 (Simply)

Mathematics
2 answers:
Studentka2010 [4]3 years ago
5 0
I believe it is 1x - 9y + 41
Whitepunk [10]3 years ago
3 0

Answer:

Hi there!

Your answer is:

x-9y +41

Step-by-step explanation:

4x-5x+7-9y+2x+34

COMBINE LIKE TERMS!

First, X

4x-5x+2x

-1x+2x

x

x+7-9y+34

Next, whole numbers

7+34

41

x-9y +41

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3 years ago
Jocelyn is training for a race by running several miles each day. she tracks her progress by recording her average speed in minu
Luden [163]

Finding the regression equation, her average speed on the 9th day should be expected to be of 6.92 minutes per mile.

<h3>How to find the equation of linear regression using a calculator?</h3>

To find the equation, we need to insert the points (x,y) in the calculator.

Researching the problem on the internet, the values of x and y are given as follows:

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Hence, using a calculator, the equation for the average minutes per mile after t days is given by:

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Hence, for the 9th day, t = 9, hence the estimate is:

V(9) = -0.15143(9) + 8.28 = 6.92 minutes per mile.

More can be learned about regression equations at brainly.com/question/25987747

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2 years ago
Help I’m in 5th 14 question
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