Answer:
(5,-5)
Step-by-step explanation:
<u>Eliminate</u><u> </u><u>y-term</u>

We can eliminate x-term but for this system of equations, eliminating y-term is faster.
<u>Substitute</u><u> </u><u>x</u><u> </u><u>=</u><u> </u><u>5</u><u> </u><u>in</u><u> </u><u>any</u><u> </u><u>given</u><u> </u><u>equations</u><u>.</u>
I will choose to substitute in the first equation.

<u>Answer</u><u> </u><u>Check</u>
Substitute both x-value and y-value in any given equations

The equation is true. (<em>It</em><em> </em><em>is</em><em> </em><em>better</em><em> </em><em>to</em><em> </em><em>check</em><em> </em><em>both</em><em> </em><em>the</em><em> </em><em>answer</em><em> </em><em>for</em><em> </em><em>both</em><em> </em>equation.)
Thus the answer is (5,-5)
Answer:
Yes
Step-by-step explanation:
It is a function since each x-coordinate is used only once. No two x-coordinates are equal. That makes it a function.
Answer: Yes
Answer:
-60 1/4 or -60.25
Step-by-step explanation:
you would subtract 30 1/4 by 90 1/2 to get the difference from the beginning to the end of the day
Answer:
7a+16b+30
Step-by-step explanation:
I think maybe
Answer:
The correct answer is 2! Because the lines start off at the top and then cross.
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