Electric energy

Most natural application of trigonometry and trigonometric functions is a calculation of the triangles. Common and less common calculations of different types of triangles offers our triangle calculator. Word trigonometry comes from Greek and literally means triangle calculation.

Next similar math problems:

1. Bulbs
   There are 875 identical light bulbs in the sports hall lightning for 2 hours. How long does it lightning 100 this light bulbs?
2. Cows
   4 cows spent 16 bags of hay in 5 days. How many bags of hay sacks is needed for 5 cows for seven days?
3. Bicycle
   The bicycle pedal gear has 36 teeth, the rear gear wheel has 10 teeth. How many times turns rear wheel, when pedal wheel turns 120x?
4. Masons
   1 mason casts 30.8 meters square in 8 hours. How long casts 4 masons 178 meters square?
5. 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?
6. Donuts
   Find how many donuts each student will receive if you share 126 donuts in a ratio of 1:5:8
7. Five pumps
   The water tank is filled with two pumps in 48 minutes. How long would it take to fill it with 5 same pumps?
8. Pumps
   After the floods, four equally powerful pumps exhausted water from the flooded cellar in 6 hours. How many hours would take a drained out with three equally powerful pumps?
9. Cook on gas
   The gas cylinder will last for 30 weekends for 2 hours of daily cooking. How many days will we be able to cook on a new cylinder when we cook 3 hours a day?
10. Runner 2
    Marian run 12 meters in 8 seconds. How far would Marian run for 70 seconds, if still run at the same pace?
11. Three workers
    Three workers got paid for work. First earn € 50, the second € 100 and third € 60. For further work should receive together € 735. How do you divide that amount in order to be distributed in the same proportion as the first job?
12. New computer
    New computer process a certain amount of data for 6 hours. For how many hours will process the same amount of data older computer that has a quarter lower performance?
13. Feed for horses
    In the kennel have feed for two horses for 21 days. The station brought an additional 5 horses. How many days will last the feed for all the horses if they have the same daily ration?
14. Land area
    A land area of Asia and Africa are in a 3: 2 ratio, the European and African are is 1:3. What are the proportions of Asia, Africa, and Europe?
15. Line segment
    The 4 cm long line segment is enlarged in the ratio of 5/2. How many centimeters will measure the new line segment?
16. Peppers
    In the box are yellow (a), green (b) and red (c) peppers. Their amount is in a ratio 2:4:1 . Most are yellow peppers and green the least. Calculate the number of peppers each type if the total number of peppers is 70.
17. Diplomas
    Suzanne helped write out diplomas. Issuance its first took 3 minutes, each next 2.3 minutes. How much time it will take to write out n=16 diplomas (including the first), write out this pace?