hey guys i really need help with these two questions
im studying for my math exam right now which im taking tomorrow
plz some1 help!
a traffic helicopter finds that with a tailwind her 120 km trip away from the airport takes 30 min. on her return trip to the airport, into the wind, she finds that her trip is 10 min longer . What is the spped of the helicopter. what is the speed of the wind?
rani is comparing the monthly costs fromo two internet service providers. nextaxes charges a flat monthly fee of $10, plus $0.75 per hour spend on-line. Webz changes a flat monthly fee of $5 plus $1 per hour.
a. determine when the monely costs are the same.
b. rani plans to use the internet for a tleast 30h each month. which provide should she choose.