Hannah and Andrea were selling
2 answers:
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Answer:
Step-by-step explanation:
We can add the two equations to eliminate the variable and solve for
:
Now, we can use substitution to solve for :
(given)
Hope this helps :)
The equation for finding the hypotneus of a right triangle is
so we know that 4²+b²=5²
so that would simplify as 16+b=25
so x=25-16
which is 9
so therefore we can conclude that