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Mathematics 9 Online
OpenStudy (anonymous):

Help!!!!!!! Michelle wants to plot a graph to show the price of different numbers of helmets. She has to plot the following points: (4, 99.88), (5, 124.85), (6, 149.82), (7, 174.79), (8, 199.76) Which of the following best describes how the x-axis should be labeled? From 0 to 8 at intervals of 0.5 From 0 to 20 at intervals of 4 From 0 to 10 at intervals of 2 From 0 to 6 at intervals of 2

OpenStudy (anonymous):

@jim_thompson5910

OpenStudy (anonymous):

I believe its A

OpenStudy (anonymous):

Isn't it or no?

jimthompson5910 (jim_thompson5910):

personally, I'd go with "intervals of 1" not 0.5, but that works too I guess

OpenStudy (anonymous):

Other three does not seems right? Do you think any other except A ?

jimthompson5910 (jim_thompson5910):

well D is wrong because x = 7, x = 8 are left out

jimthompson5910 (jim_thompson5910):

C is wrong because you leave out x = 5 and x = 7 (I guess you could just plot the midpoints of each interval, but that's a bit of guesswork)

jimthompson5910 (jim_thompson5910):

B has an interval too big (you leave out pretty much everything but x = 4, x = 8), so that's out too

jimthompson5910 (jim_thompson5910):

A is the best answer, but I would change the 0.5 to 1 if it were up to me

OpenStudy (anonymous):

Okay :) thank you so much!!!!!!! you are truly really great!!!!!!!!!!!!! I don't have words to say. Thank you for helping.

jimthompson5910 (jim_thompson5910):

you're welcome

OpenStudy (anonymous):

I was getting really mad when I am not getting anyone for help. honestly you are very amazing helper.

jimthompson5910 (jim_thompson5910):

I'm glad I could be of help and hopefully everything is clicking now

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