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ahoney2233
08.04.2020 •
Mathematics
Plzz help see the attachment you will get 15 points
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Ответ:
A, B, and D
Step-by-step explanation:
Let's put all the answer choices in for x and y in both equations:
A) x = 0, y = 10
10 - 10 = 2 * 0 --> 0 = 0, which works
1/2 * 10 = 0 + 5 --> 5 = 5, which works
So, A is correct
B) x = 1, y = 12
12 - 10 = 2 * 1 --> 2 = 2 which works
1/2 * 12 = 1 + 5 --> 6 = 6, which works
So, B is correct
C) x = 2, y = -6
-6 - 10 = 2 * 2 --> -16 = 4, which doesn't work
So, C is incorrect
D) x = -5, y = 0
0 - 10 = 2 * -5 --> -10 = -10, which works
1/2 * 0 = -5 + 5 --> 0 = 0, which works
So, D is correct
Thus, the answers are A, B, and D.
Hope this helps!
Ответ:
a, b & d
Step-by-step explanation:
y - 10 = 2x
Divide by 2
½y - 5 = x
½y = x + 5
Basically both equations represent the same line, so infinite solutions
(0,10) is a solution
10 - 10 = 2(0)
0 = 0
(1,12) is a solution
12 - 10 = 2(1)
2 =
(2,-6) is not a solution
-6 - 10 = 2(2)
-16 = 4
(-5,0) is a solution
0 - 10 = 2(-5)
-10 = -10
Ответ: