Answer:
Learned
Step-by-step explanation:
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Hello,
I don't see a graph you can edit your answer by putting a graph then I can help you.
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Volume: h • pi r^2
Volume: (7.5) • pi (2)^2
Volume: 94.247796
Just round to your teacher’s liking
cost of pencil = x = 0.07
and cost of eraser = y = 0.03
Step-by-step explanation:
let cost of pencil = x
and cost of eraser = y
So, we have equations:

Solving both equations to find value of x and y
Let:

Multiply eq(1) with 4 and eq(2) with 3 and subtract

Putting value of x in equation 1:

So, x= 0.07 and y = 0.03
cost of pencil = x = 0.07
and cost of eraser = y = 0.03
Keywords: System of equations
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