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Hunter-Best [27]
4 years ago
12

10x + 10y = −10 9x + 10y = −18

Mathematics
2 answers:
Anna71 [15]4 years ago
6 0

Answer:

(8,-9)

Step-by-step explanation:

andreev551 [17]4 years ago
5 0

Answer:

Step-by-step explanation:

10x+10y=-10

9x+10y=18

= 10x+10y=-10

-9x-10y=18

= x=8

step two is to find y:

10x+10y=-10

10(8)+10y=-10

80+10y=-10

10y=-90

y=-9

your answer:

(x,y)= (8,-9)

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3 0
3 years ago
If A = {2, 3, 4, 5} B = {4, 5, 6, 7} C = {6, 7, 8, 9} D = {8, 9, 10, 11}, find (A ∪ B) ∪ C
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Step-by-step explanation:

7 0
3 years ago
If M is the midpoint of XY, find the coordinates of X if M(-3,-1) and Y(-8,6).
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Answer:

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Read 2 more answers
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