Answer:
2/10 or 0.2
i dont know which tenths you wanted so i did both
Answer: 32x-68
Step-by-step explanation:
(f•g) is equal to f(gx)
f(x)=4(2x-5)+3
Which is 8x-20+3=8x-17
Now multiply by 4.
4(8x-17)
= 32x-68
Step-by-step explanation:
solve it through simultaneous equations
for fun guys : 10+6.5x=y
for game bank : 22+3.5x=y
10+6.5x=22+3.5x
3x=12
x=4
cost is same when game rentals =4
that cost= $36
Answer:
A) 252 ways (use 'n choose k' formula)
B) 6 ways (use 'n choose k' formula again).
C) 6/252 basically elementary combinatorics
Answer: 2 hours
Explanation: As Jenny left the hospital 3 hours before Kristin and was travelling at 30 km/hour she should have gotten 90 km before Kristin started driving. As Kristin was travelling at 75 km/hour she will get 45 km closer to Jenny every hour (30-75= (-45)). 45 km/90 km= 2 hours to catch up.
