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charle [14.2K]
3 years ago
6

I'm not good ar graphs requesting assistance...

Mathematics
2 answers:
klasskru [66]3 years ago
6 0

Answer:

Seven erasers cost $3.50

Hope this helps :)

sergeinik [125]3 years ago
6 0

Answer:

7 erasers cost 3.50

Step-by-step explanation:

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All equilateral triangles are isosceles?<br> A. True<br> B. False
Maru [420]

Answer:

A. true

Step-by-step explanation:

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7 0
2 years ago
3x+5y=-3 x-5y=-5 show your work
frez [133]
We are given the equations 3x+5y=-3 and x-5y=-5.

Both equations have a 5y  term which allows us to easily solve the system by elimination. To do so we will add the equations together like a simple addition problem by adding the x terms together, the y terms together, and the integer answers together.

3x + 5y = -3
+x - 5y = -5
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4x + 0y = -8

The y terms cancel out since one is positive and one is negative. Now we can solve for x.

4x = -8

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Now plug -2 in for x in one of the original equations to find y.

(-2) - 5y = -5

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Our answer as an ordered pair is (2, 3/5)
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Is 4y=x a direct variation
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The direct variation equation is y =kx

Lets see:-

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<span>Answer: Yes, this is a direct variation </span>
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