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Gre4nikov [31]
2 years ago
14

Hey! I could really use some help! I need this done by 2PM Mountain Time please! Also, I need it typed In any pictures as an asn

wer I can't see. ;(

Mathematics
2 answers:
grigory [225]2 years ago
7 0
Just find the y intercept for both lines and calculate the change in y with respect to the x axis, aka slope. You can write an equation from any line by doing what I just said. The y-intercept is the y value where the function intercepts the y-axis.

Red Line:
Y-intercept = 2
Slope = 1/1

Blue Line:
Y-intercept = 4
Slope = -1/2

And you should know the equation, atleast I hope you do.
y = mx + b
m being the slope
b being the y-intercept

You now got:
y = x + 2
and
y = -(1/2)x + 4

Make them equal to each other since they are both equal to y. Solve for x and then solve for the actual y value. I don’t want to do everything for you, since you wouldn’t really learn anything
yKpoI14uk [10]2 years ago
4 0

Answer:

The red one would be x+2

It begins at 2 and it increases by 1 at a time

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Answer:

  • x = 40°

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Answer:

She have <u>53</u> type of quarters and <u>27</u> type of nickels.

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Given:

Sam has a jar contain 80 coins, all of which are either quarters or nickels.

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Now, to get each type of coin she have.

Let the number of quarters be x.

And let the number of nickels be y.

<u><em>So, total number of coins:</em></u>

x+y=80

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Substituting the value of y from equation (1):

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