Tutors Answer Your Questions about Travel Word Problems (FREE)
Question 572577: at 9:45am Margie threw a ball upwards while standing on a platform 35 ft. above the ground.
The height after t seconds follows the equation:h(t)= -0.6t^2+72t+35
a.) What will the maximum height of the ball be?
b.)How long will it take the ball to reach its maximum height?
I have tried this problem a few times and keep getting 107.36ft. I dont think im doing the set up correctly. Thanks for the help!
Click here to see answer by Alan3354(31538)  |
Question 572639: An airline offers daily flights between Chicago and Denver. The total monthly cost C (in millions of dollars) of these flights is modeled by
C=Square root of 0.2x + 1
where x is the number of passengers (in thousands). The total cost of the flights for June is 1.7 million dollars. How many passengers flew in June? (Round your answer to the nearest whole number.)
Click here to see answer by josmiceli(9819)  |
Question 572820: Travis paddles his kayak in the harbor at Morro Bay, California, where the incoming tide has caused a current in the water. From the point where he enters the water, he paddles 2 miles against the current, then turns around and paddles 2 miles back to where he started. His average speed when paddling with the current is 3 miles per hour faster than his speed against the current. If the complete trip (out and back) takes him 1.4 hours, find his average speed when he paddles against the current.
Click here to see answer by mananth(12270)  |
Question 573483: A mother jogs at the same rate of 4.5 mph and her daughter jogs at the rate of 5 mph. The mother begins her jog and, 15 minutes later, the daughter begins her jog following the same route. How long will it take the daughter to overtake her mother and how far will they have jogged?
Click here to see answer by josmiceli(9819)  |
Question 573698: A cyclist rides 600 meters up a hill and 400 meters down the other side. his speed is twice as fast downhill as uphill and the whhole journey takes 4 minutes. how long does it take him to reach the summit?
My working out
Distance over time= speed so the total journey is 1000 meters and the total time is 4 minutes(240 seconds)
Click here to see answer by josmiceli(9819)  |
Question 573819: sam lives 45 miles due West of where he works. Everyday he drives on the highway at 65 mph. Jim works in the same building, and lives 30 miles due East, but is only able to drive 40 mph. If they both leave at the exact same time, who reaches work first? what is the difference in their travel times (rounded to the nearest hundredth of an hour)? if they do not stop at the building where they work and just kept on driving, after how much time would they pass each other on the road? Round to the nearest THOUSANDTH of an hour. How many miles are they from the office building when they pass one another?
Click here to see answer by ankor@dixie-net.com(15747)  |
Question 574263: Two cars are 261 miles apart, they travel towards each other and meet in 3 Hrs. 1 car travels 1 MPH faster than the other. What is average speed of each car?
I believe I have this set up correctly but instructor marked it incorrect.
D/t=r
261/3=r
87=r of one car
R+1=88mph of second car
Is there anything I am leaving our?
Click here to see answer by stanbon(57984) |
Question 574272: Please, need help with this problem.
Ted walked for 30 minutes and biked for 60 minutes. He bikes four times faster than he walks. If the total distance travaled is 9 miles, then what was his walking speed in miles per hour
Click here to see answer by stanbon(57984) |
Question 574369: Flying to Moscow with a tailwind a plane averaged 142 km/h. On the return trip the plane only averaged 76 km/h while flying back into the same wind. Find the speed of the plane in still air and the speed of the wind.
Click here to see answer by Alan3354(31538)  |
Question 574461: during the first part of the trip a canoeist travels 40 miles at a certain speed the canoeist travels 20 miles on the seconf part of the trip at a speed 5 mph slower the total time for the trip is 3 hours what was the speed on each part of the trip?
Click here to see answer by mananth(12270)  |
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