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zheka24 [161]
3 years ago
6

I need help please :-)

Mathematics
1 answer:
ra1l [238]3 years ago
8 0

Answer:

  A. 1

  B. slope: 1/2 mile/minute; the slope represents the speed of the car

  C. correlation

Step-by-step explanation:

A. The points in the table lie on a straight line, so the correlation coefficient is exactly 1.

__

B. The ratio of distance to time is speed. That ratio for this data is 10 miles/20 minutes = 1/2 mile/minute. This is the slope of the graph.

__

C. Passage of time does not cause the car to go any particular distance, nor does the car's traveling cause time to pass. The best that can be said is that the car's distance traveled is strongly correlated with the time it takes. (The reason the car goes some distance is likely due to a cause not mentioned in the problem statement, for example, it was switched on and the motor started.)

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snow_lady [41]
A: Package A is a better deal. For example, if you get 5 car washes from each package, the results are $47 for package A and $56 for package B.
B:
Package A: 1-15, 2-1, 3-15, 4-1, 5-15, 6-1, 7-15, 8-1.
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3 0
3 years ago
Jennifer is buying party supplies. She is planning on buying twice as many balloons as noisemakers. The number of napkins Jennif
pishuonlain [190]

Answer:

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Step-by-step explanation

a quarter of 65 is 16 4 over 25

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4 0
3 years ago
Someone please help!!!! 20 Points to whoever answers CORRECTLY first. <br> Thanks
ZanzabumX [31]

Answer:

3) 361/11

4) 51

Step-by-step explanation:

for both problems, they give you the length of the segment so you just add both of the segments equal to the length of the whole segment. then for whatever you find as x, plug it into the equation.

ex. 7x+1+4x-3=42

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8 0
3 years ago
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agasfer [191]

Answer:

The first one is 36 the second one is 48 and the last one is 60

Step-by-step explanation:

I hope this helps :)

6 0
3 years ago
2x + y = 4<br> -4x – 2y = -8<br><br> Solve the system of equations
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Answer: y  =  4  −  2 x

Step-by-step explanation: :)

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