What do you need help with I cant help if I don't know what problems to solve
Answer:
(X,Y)(18,12)
Step-by-step explanation:
x + y = 30
2x + 4y = 84
___________
2x+2y=60
2x+4y=84
_________
-2y=-24/-2y
y=12
2x+4(12)=84
2x+48=84
2x=84-48
2x/2=36/2
X=18
It will take him 30-45 minutes to catch up with her. Hope I could help! :)
Answer:
3%
Step-by-step explanation:
Erin earned 6191.50 -6100 = 91.50 in interest in 6 months on a 6100 principal. Then the annual interest rate is ...
I = Prt
r = I/(Pt) = 91.50/(6100·6/12) = .03 = 3%
The interest rate was 3%.
Answer:
540
Step-by-step explanation:
I honestly put it in my calculator and squared it,
291600
/ \
540 540
you have a pair, you don't have to do anything else, and you're done