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Agata [3.3K]
2 years ago
6

Three runners competed in a race. Data were collected at each mile mark for each runner. If the runner ran at a constant pace, t

he data would be linear. A regression line fitted to their data. Uses the residual plots to decide which data set is best fit by the regression line, and then identify the runner that kept the most consistent pace.

Mathematics
1 answer:
Pachacha [2.7K]2 years ago
4 0

Answer: Runner C ;)

Step-by-step explanation:

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Brady has $180 and makes $6 an hour. Nick has no money but makes $8 an hour.
a_sh-v [17]

Answer:

brady: y= 6h + 180

nick: y= 8h

Step-by-step explanation:

h in this situation is the same as x but I made it h to stand for hours worked

I'm also not sure if thats what you needed if not lmk

3 0
2 years ago
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Last question please help me
Inessa [10]

Answer: OPTION D

Step-by-step explanation:

The formula for calculate the surface area of a rectangular prism is:

SA_{rp}=2(wh+lw+lh)

Where w is the width, h is the height and l is the length.

You can see in the figure attached that:

l=3.4ft

w=3ft

h=4.1ft

Therefore, when you substitute these values into the formula you obtain that the surface area is:

SA_{rp}=2[(3ft*4.1ft)+(3.4ft*3ft)+(3.4ft*4.1ft)]=72.88ft^{2}

3 0
2 years ago
Determine whether a triangle with given side lengths will be a right triangle?
mr Goodwill [35]

Answer:

Step-by-step explanation:

Apply the Pythagorean Theorrem.  Find the sum of the squares of the two shortest sides and determine whether this sum equals the square of the longest side:

#19:  5^2 + 12^2 = ? = 13^2

 25  +  144  = ? = 169    This is true, so you do have a right triange in #19.

#21:  2^2 + 4^2 = ? = 7^2, or 4 + 16 = ? = 49     This is false.  Not a right

                                                                            triangle.

Apply this same approach (Pythagorean Theorem) to the remaining problems.

4 0
2 years ago
x2 – 144 = 0 (what formula did you use besides calculator or quadratic formula ) show work on how you solved plz :D (put down 26
SVEN [57.7K]
2X - 144 = 0
+ 144. + 144
2X = 144
/2. /2.
X = 72
3 0
2 years ago
Read 2 more answers
NEED ANSWER ASAP (with work) <br><br> the diagram below shows a pentagon. Find the value of X.
Vera_Pavlovna [14]

Answer:

Step-by-step explanation:

Yes, I know the answer but I don’t have the work sorry

8 0
3 years ago
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