2x+8y=20;y=2
2x+8(2)=20
2x+16=20
-16 -16
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2x=4
x=2
The coordinate will be (2,2)! Hope that was helpful :)
Answer:
5
Step-by-step explanation:
difference in y is 3
difference in answer is 15
15 divided by 3 is 5
Answer:
2
Step-by-step explanation:
this is because the inequality sign says greater than OR equal too, this would make the line solid, and since it's greater, all the values above that line would be included in the inequality
So since we know what x is, we can substitute it into the original equation for x like so to solve for y...
(2y - 8) + 5y - 10 = 0
2y - 8 + 5y = 10
2y + 5y = 18
7y = 18
y = 18/7 (or about 2.57)
So now we know what x is, we can sub it into the below equation to solve for x...
x = 2(18/7) - 8
x = 36/14 - 8 (or about -5.43)
It takes 48 hours if 12 people built the same wall.
Please see the attached picture for full solution
Hope it helps
Good luck on your assignment
