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Verizon [17]
3 years ago
10

HELP WITH 10 QUESTIONS?!?! HERE IS THE FIRST 1.

Mathematics
1 answer:
madreJ [45]3 years ago
4 0
5x - 5y = 10
x - y = 2 . . . (1)
3x - 2y = 2 . . . (2)

(1) x 3 => 3x - 3y = 6 . . . (3)
(2) - (3) => y = -4

From (1), x - (-4) = 2
x = 2 - 4 = -2

Solution is (-2, -4)
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Simplify the equation -4d - 37 = 7d + 18
exis [7]

Answer:

d=-5

Step-by-step explanation:

-4d-37=7d +18

move the terms to its correct side

-4d-7d=18+37

calculate the like terms together.

-11d=55

divide both sides by -11. both of the negavtive (-11) will cancel out and become d on the left and on the right 55 will be divided by -11 = -5. the 5 is negative because there's a negative -11 if there were a postive 11 it will be 5 instead of D=-5

5 0
3 years ago
Read 2 more answers
−8 3/4÷2 1/6 please show me ur work
nalin [4]

Answer:

  • - 4 1/26

Step-by-step explanation:

<u>Solving in steps:</u>

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6 0
4 years ago
Morgan has an 8-foot board that must be cut into boards that are feet long. How many of the smaller boards can he get from the 8
MrMuchimi
Just multiply all the eights
6 0
4 years ago
Read 2 more answers
If XY=24, XZ=22, and JQ=5, find the radius of the circumscribed circle of triangle XYZ.
grandymaker [24]
23 to the 3 because I just took it
3 0
3 years ago
Number 6 mainly and any other if you want to help:) looka t the pic
soldier1979 [14.2K]
Let the amount B pays be £x
So,
A pays £125
B pays £x
They pay in the ration 3:2
Therefore,
125/x = 3/2
Cross multiplying we get,
125 x 2 = 3x
3x = 250
x = £63.33
3 0
3 years ago
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