Time - math word problems - page 34 of 142
Number of problems found: 2827
- Six speeds
A drilling machine is to have six speeds ranging from 50 to 750 revolutions per minute. If the speed forms a geometric progression, determine their values. - Life expectancy
The life expectancy of batteries has a normal distribution with a mean of 350 minutes and a standard deviation of 10 minutes. What is the range in minutes 68% of the batteries will last? What is the range in minutes? How long will approximately 99.7% of b - Three shooters
Three shooters shoot, each time, on the same target. The first hit the target with 0.7, the second with 0.8, and the third with 0.9 probability. What is the probability of hitting the target: a) just once b) at least once c) at least twice - Calculate 2
Calculate the largest angle of the triangle whose sides are 5.2cm, 3.6cm, and 2.1cm - The factory
The factory z can complete an order in 12 days, factory p in 18 days. How many days does an order completed when the first two days work only the factory z and then both factories? - Cyclist 9
A cyclist travels at a speed of 4.25 km per hour. At that rate, how far can he travel in 3.75 hours? - 40% volume
40% volume with 104 uph (units per labor hour) 8 people are working. What is the volume? - Playing
How long have we trained on the pitch when we know that the warm-up took 10 minutes, we trained passes for one-third of the time, and we played football half the time? - The train
The train passed the observer in the 20s and passed through a 1500m tunnel in 2 minutes. Calculate the speed (km/h) and train length. - Train and walker
Walker passes an hour 5 km. Express train per hour 100 km. Walker went for 4 hours. How many minutes did the distance express train? - Hour salary
You work for 4 hours on a Saturday and 8 hours on Sunday. You also receive a $50 bonus. You earn $164. How much did you earn per hour? - Acres
For two hours, 24 students harvested chestnuts on 36 acres. How many square meters are harvested by one student per hour? - Time adding
Add and write the result again as hours, minutes, and seconds: 2hodiny45min15s + 1h20m50s = - Mr and Mrs
Mr. Calda and Mrs. Cald have a total of 139 years. How many years have when we known that Mr. Calda is nine years older than Mrs. Cald? - Isosceles right triangle
The area of an isosceles right triangle is 18 dm². Calculate the length of its base. - Average speed
The plane from Prague to Warsaw flies 540 km in 1 hour and 12 minutes. Find the average speed. - Pumps
Five pumps pumped 1,800 hl of water for 3 hours. How many hectoliters of water pump same two powerful pumps for six hours? - Runner 2
Marian runs 12 meters in 8 seconds. How far would Marian run for 70 seconds if he still runs at the same pace? - Grass
Peter and Stano lawn grass for 3 hours 12 minutes. How long would it take for Peter if Stano lawn grasses himself for 384 minutes? - Blackberries
Damián gathered for 19 days 9.5 kg of blackberries. Milada gathered for two days 1.6 kg of currants. How much would collect Damián blackberries per day, and how many currants Miladka per day?
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