Answer:
139.7124
Step-by-step explanation:
9.6+5.42-3.2 (^2)
11.82^2
= 139.7124
Answer:
42.194988
Step-by-step explanation:
There are 42.194988 km in 1 marathon
Answer:
You cant simplify it??????
Step-by-step explanation:
Answer:
x=-5, y=-1
Step-by-step explanation:
Substitute x=-4+y into -2x-5y=15. So we have
-2(-4+y)-5y=15
8-2y-5y=15
-7y=7
y=-1
And x is -4+y so x= -4+(-1)= -5.