Answer:
9.76 years turns 900 dollars into 1200 dollars.
Step-by-step explanation:
A(t) = 900*(1.03)^t
1200 = 900 * (1.03)^t Divide by 900
1200/900 = (1.03)^t
1.333 = 1.03^t Take the log of both sides.
- log(1.3333) = t * log(1.03)
- log 1.3333 = .1249
- log 1.03 = .0128
1.249 = 0.0128*t
1.249/0.0128 t = 9.76 years.
Negative divide or multiply by negative is negative
so g is -1
Answer:
Ashley is paid 9.75h+15 and William is paid 10.25h+12
Step-by-step explanation:
9514 1404 393
Answer:
85 km/h
Step-by-step explanation:
Let s represent the speed of the slower car. Then the travel time is ...
time = distance/speed
2 = 360/(s +(s+10))
4s +20 = 360 . . . . . multiply by 2s+10
4s = 340 . . . . . . . . . subtract 20
s = 85 . . . . . . . . . . . divide by 4
__
The rate of the slower car is 85 km/h.
