Answer:
x represents hours of babysitting
y represents hours of music lesson
hours on babysitting: 11
hours on music lessons: 7
Step-by-step explanation:
x+y=18
5x+12y=139
-5(x+y=18)
=-5x-5y=-90
(5x+12y=139) + (-5x-5y=-90)
7y=49
y=7
x+7=18
x=11
Answer:
60
Step-by-step explanation:
we know that it is less then 90 degrees so it can't be 110 and 70 degrees would be more extended from the horizontal line
Answer:
Roughly 2 years
Step-by-step explanation:
3500(1.05)^t=3850
(1.05)^t=1.1
t=1.953
So roughly 2 years
Answer:
D. 0.62
Step-by-step explanation:
I calculated it logically
