Answer:
D: 13
Step-by-step explanation:
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Answer:
16
Step-by-step explanation:
because juan is spend 28 on gift and he added a 16 .
D. 7/8
7/8 = 0.875
2/3 = 0.66667
Since 7/8 is the largest value, it is the furthest from zero.
For the given systems A and B:
1) Replace the first equation of A by the sum between the two equations of A.
2) Yes, the systems are equivalent.
<h3>
How to get system B from system A?</h3>
Here we have the two systems of equations:
A:
6x - 5y = 1
-2x + 2y = -1
B:
4x - 3y = 0
-2x + 2y = -1
The second equation is the same in both systems, so we only look at the first equations.
In A we have:
6x - 5y = 1
If we add the second equation of A, then we get:
(6x - 5y) + (-2x + 2y) = 1 + (-1)
4x - 3y = 0
This is the first equation of B.
Then we need to replace the first equation by the sum between the first and second equations.
2) Are the systems equivalent?
Yes, because we did not "modify" system A, we just rewrite it and we got system B, then both systems have the same solutions.
If you want to learn more about systems of equations:
brainly.com/question/847634
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