Let the speed for the first 12 mi be x mi/h, the speed for 18 mi was (x+4) mi/h
thus given that
time=distance/speed
the average time will be:
3=(12+18)/(x+x+4)
3=30/(2x+4)
solving for x we get
3(2x+4)=30
6x+6=30
6x=24
x=4 mi/hr
Answer: 12 mi/hr
Answer: 9π/20 radians
How to: <u>Convert from degrees to radians using the ratio π/180 .</u>
Have a great day !
Answer:
1 x 1+0 x 1/10+5 x 1/100+9 x 1/1000
Step-by-step explanation:
Y=377a-327
if it algebra then it’s going to be a formula of y=x+b
Answer:
friction
lol you’re welcome
