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Ainat [17]
3 years ago
10

Find an

Mathematics
1 answer:
Ne4ueva [31]3 years ago
3 0
-5x+4y-7x-9y
-12x-5y
12x+5y=I
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I need help with number 3
yan [13]
First check whether the point (-6,8) is the solution to any of the equations. To check, just plug in the x and y values of the points into the equation and see if they give you a true statement. 
5(-6)+3(8)=-6
-30+24=-6
-6=-6
That's a true statement so the point is the solution to the first equation.
2(-6)+(8)=-4
-12+8=-4
-4=-4
It is a true statement so the point is a solution for both equations
There are no other solution because lines can only intersect in one or infinite points, but that is only if they are the same lines, which is not true in this circumstance.
A. It is the only solution to the set. 
Hope this helps.
7 0
3 years ago
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Which method do you prefer to use to find sums
VMariaS [17]
Usually you use addition to find a sum.
4 0
3 years ago
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For a car rental, the rental agency charges $21.00$⁢21.00 per day, plus $0.23$⁢0.23 for each additional mile above 125125. find
Mashutka [201]
21d+.23x (d being per day) (x being every mile above 125)
7 0
3 years ago
The perimeter of a rectangle is 64cm.
Svet_ta [14]

Answer:

4cm

Step-by-step explanation:

28 + 28 = 56

64 - 56 = 8

8/2=4

just to check : 4 + 4 + 28 + 28 = 64

hope this helps x

brainliest plx?

6 0
3 years ago
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Scott’s bank account showed a balance of $750 on Sunday. During the next five days, he made one deposit of $140 and numerous wit
musickatia [10]

Answer:

4

Step-by-step explanation:


5 0
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