Answer:
It has a single solution x=-3 y=26
Step-by-step explanation:
The ratios of coefficients of x and y are different, so the pair of equations has one solution. It is easy to tell the first offered solution (15, 17) does not satisfy the first equation, so that choice is eliminated.
Fortunately, the second offered solution, (x, y) = (-3, 26), satisfies both equations.
The equations have a single solution: (x, y) = (-3, 26).
Answer:
Step-by-step explanation:
res is A.
Thank goodness. This is the most difficult math problem I've ever done here. Everything else is too easy. What grade are you in?
Answer:
9.90
Step-by-step explanation:
a2+b2=c2
(7)2+(7)2=c2
49+49=c2
98=c2
√98=√c2
9.90=c
