Let: eq 1:2x+5y=-55
eq 2:y=3x+6
by substituting eq 2 in eq 1 we get,
2x+5(3x+6)=-55
2x+15x+30+55=0
17x + 85=0
x=-85/17
x=-5
By substituting x value in eq 2,
we have,
y=3(-5)+6=-15+6=-9
Answer:
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Answer:
x + x/2 + x-1.25=4.75
Step-by-step explanation:
binder is x
folder is x/2
higlighter is x-1.25
Answer: 91,445,760 ft³
Step-by-step explanation:
You know that the base of this pyramid is a square, then you can use the following formula to calculate its volume:

Where "s" is the lenght of any side of the base of the pyramid and "h" is the height of the pyramid.
You know that:

Then, you can substitute these values into the formula. So, you get that the volume of The Great Pyramid is:

Step-by-step explanation:
