Answer:
3x+8y=-5-equatin.1
-2x+2y=18-equation.2
now,
subtracting both equation.1 by equation.2,then
3x+8y=-5
-8x+8y=72
+ - -
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Does this graph show a function? explain how you know
1 answer:
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Alright, lets get started.
The length of each section what carpenter needs to cut is 3 feet and 8 inches.
Converting 3 feet and 8 inches into feet only, we know,
So, 3 feet 8 inches = feet
It means length of each section = feet
Carpenter needs to cut 4 sections, so length of 4 sections will be =
2/3 feet means 8 inches so she needs board 14 feet 8 inches
Board is only sold by the feet only so, she has to puchase 15 feet board. : Answer
Hope it will help :)