Answer:
31=1/1
33=1/1
30=3/10
3-=-3
Step-by-step explanation:
Answer:
flip it around 9/13 reciprocal would be 13/9
Answer:
x=3 and y=1
Step-by-step explanation:
subtract equation 2 from 1
then (2x+3y) -(2x+y) =9-7
2x-2x+3y-y =2
2y=2 therefore y=1
substitute y value in 2x+y=7
2x+1=7
2x=7-1
2x=6
x=3
Unknown. C is the hypotenuse, but this problem is solvable.