Answer:
x = 1
y = -1
Step-by-step explanation:
y = 3x + 4y
3x + 3y = 0
So, we have 2 equations that are
3x + 3y = 0
x + 2y = -1
Times the second equation by -3
3x + 3y = 0
-3x - 6y = 3
-3y = 3
y = -1
Now put -1 in for y and solve for x
x + 2(-1) = -1
x - 2 = -1
x = 1
Let's check
1 + 2(-1) = -1
1 - 2 = -1
-1 = -1
So, x = 1 and y = -1 is the correct answer.
y = –x + 5
A.
(2, 7)
B.
(0, 5)
C.
(1, 4)
D.
The system has no solution.
B. 1 12⁄7
C. 1 7⁄12
D. 7 1⁄2
The linear speed of the object is
The linear speed :
The linear speed of the object is
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