last weeekend trisha and becca both went on a bike ride trisha biked 8 miles in two hours and becca biked 10 kilometers in 7800
1 answer:
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Answer:
Choices C and D
Step-by-step explanation:
The most simplest way is just to solve each one and see which two have the same answer as the first expression.
But you could also see that both of the are going to cancel each other out so you are left with
which is also choice C.
For choice D I distributed the negative one to the insides of the parenthesis that left me with which is the same expression as the first one.
Using a graphical tool we obtain that the solution of this system
(intersection between the lines)
is given by the point (x,y) = (2,4)
(intersection between the lines)
is given by the point (x,y) = (2,4)