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abruzzese [7]
3 years ago
11

X + y = k

Mathematics
2 answers:
Nadusha1986 [10]3 years ago
4 0
We are given with two equations X + y = k and <span>x - y = k. to find the solution of the </span>system<span> of linear equations, we can use elimination by adding the equations to eliminate y. hence the third equation is 2x= 2k ; x = k, hence y is equal to zero. Answer is C</span>
DerKrebs [107]3 years ago
4 0
Hello,

I suppose X is the same as x.

x+y=k
x-y=k
2x=2k==>x=k and y=k-k=0
sol={(k,0)}

Answer C
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Answer:

For more;

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for less;

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Step-by-step explanation:

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we can have something like 4.76

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3 years ago
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3 years ago
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KonstantinChe [14]

Answer:

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7 0
3 years ago
Nancy put new insulation in her attic and discovered that her heating bill for December decreased from $160 to $100. What is the
WINSTONCH [101]

Answer:

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Step-by-step explanation:

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4 0
2 years ago
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natka813 [3]

Answer:

  (a)  4 seconds

Step-by-step explanation:

The given point (4, 0) on the parabola tells you the answer to the question: the coin was in the air 4 seconds before its height is 0. It is no longer in the air at that point.

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<em>Additional comment</em>

In order to match the rest of the problem statement, the first given x-intercept must be (-2, 0).

4 0
2 years ago
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