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Mathematics 15 Online
OpenStudy (anonymous):

Can some SUPPER SMART people help me please!!!!!!!!!!

OpenStudy (anonymous):

Suppose noodle soup is on sale for $0.75 a can and you have a coupon for $0.50 off your total purchase. Write a function rule for the cost of n cans of soup. (1 point) C(n) = 0.75n – 0.5 C(n) = 0.5n – 0.75 C(n) = (0.75 + n) – 0.5 C(n) = (0.5 + n) – 0.75

OpenStudy (anonymous):

Help please!

OpenStudy (anonymous):

Oh my gosh I just learn that today and my notes are at school. I wish I could help. Sorry!

OpenStudy (anonymous):

ok what about a different one?

OpenStudy (anonymous):

Another question you meant

OpenStudy (anonymous):

Find the slope of the line. graph (1 point) 1/5 –1/3 –3 5

OpenStudy (anonymous):

Oh my gosh we haven't learn that yet. Again Sorry

OpenStudy (anonymous):

its ok

OpenStudy (anonymous):

can anyone else please help me on the find the slope of the line graph please

OpenStudy (anonymous):

Suppose noodle soup is on sale for $0.75 a can and you have a coupon for $0.50 off your total purchase. Write a function rule for the cost of n cans of soup. (1 point) n = number of cans 0.75 per can. Subtract 0.50 from you're total purchase. Which works: 0.75n – 0.5 0.5n – 0.75 (0.75 + n) – 0.5 (0.5 + n) – 0.75

OpenStudy (anonymous):

For the slope of the graph I need you to, either (1) show me a picture, or (2) give me two points on the line. Take a screenshot or save the picture and attach it.

OpenStudy (anonymous):

@Bri_Durbin

OpenStudy (anonymous):

A for the first one right?

OpenStudy (anonymous):

you got it (;

OpenStudy (anonymous):

and here is the link for the graph https://www.connexus.com/content/media/680582-9112012-123955-PM-1898319252.png

OpenStudy (anonymous):

The link only works for you since you are a student there, but not for us. I have no access to it. /:

OpenStudy (anonymous):

*to the picture in the link.

OpenStudy (anonymous):

i think that it is -3 for the graph it that right???

OpenStudy (anonymous):

I can't see the graph. But if you know that slope is rise/run, you should be able to figure it out. (:

OpenStudy (anonymous):

OpenStudy (anonymous):

Right! (:

OpenStudy (anonymous):

there is the graph and was it A for the first question???

OpenStudy (anonymous):

Yes.

OpenStudy (anonymous):

so is it -3 for the graph?

OpenStudy (anonymous):

Yes, -3 is the slope of the graph.

OpenStudy (anonymous):

Write an equation in point-slope form for the line through the given point with the given slope. (–7, 9); m = 4/5 (1 point) y + 7 = 4/5(x – 9) y – 7 = 4/5(x + 9) y – 9 = 4/5(x + 7) y + 9 = 4/5(x – 7) you are the best can i have help with a few more???

OpenStudy (anonymous):

I think that it is B???

OpenStudy (anonymous):

Point-Slope form is y - y1 = m(x - x1) m is slope x1 and y1 stand for the x and y vaues of the given point (x, y) (–7, 9) m = 4/5 Plug in the values. y - 9 = 4/5(x -(-7)) Two negative signs(--) equal a positive(+) so... y - 9 = 4/5(x + 7)

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