Themes, topics - math word problems - page 64 of 168
Number of problems found: 3355
- MO Z7–I–6 2021
In triangle ABC, point D lies on the AC side and point E on the BC side. The sizes of the angles ABD, BAE, CAE, and CBD are 30°, 60°, 20°, and 30°, respectively. Find the size of the AED angle. - Long hot dog
In Kostelec above Black Forest, they made a record-long hot dog. When he slowly moved it to the square, one of the spectators decided to measure its length: the size of his footprint was 28 cm; he measured 20 feet in the travel direction and counted 5 fee - Crimson Lynx
Captain Emily has a ship, the H. M. S Crimson Lynx. The ship is five furlongs from the dread pirate Umaima and her merciless band of thieves. If her ship hasn't already been hit, Captain Emily has a probability of 3/5 of hitting the pirate ship. If her sh - Moment 42661
The crane arm is 3 m long, and a force of 600 N acts here. Find the moment of force. - Two cars
Two cars, spaced d1 = 500 m apart, start moving against each other at time t1 = 0, the first car with acceleration a1 = 4 m/s² and the second with acceleration a2 = 6 m/s². At what time t2 do they meet? What distances s1 and s2 will move from the start to - Potential 42561
The elevator cabin weighing 720 kg goes from the ground floor to the top floor of the building, at 125 m. How much potential energy does the elevator cabin have on the top floor of the building - at the height of 125 m? - Two solutions
What strong solution is created by mixing 3 liters of 30% solution and 2 liters of 70% solution? - Straight-line 42511
The lady and the gentleman run toward each other in an even, straight-line motion. The lady runs at a speed of 25.2 km/h, and the man at a speed of 18 km/h. When they are 300m apart, we start timing. How long before the lady and the man fall into each oth - Michael 42461
Michael will read the book in 8 days if she reads 15 pages daily. How many pages does she have to read per day if she wants to finish the book six days after the start of reading? How many pages does the book have? - Seamstresses 42451 Eight seamstresses will make the order in 15 shifts. How many will be sewists if they have to complete an order three shifts earlier?
- Kilometers 42251
On the first day, cyclists walked 2/5 of the way, which is 4/35 km. How many kilometers do they have to travel the next day to complete the entire route? - Inflation and deposits
A client deposits 100,000 euros in XYZ bank for a term deposit with an interest rate of 4% pa (per annum). After six months, you went to get the money. How much did he have in his account with the described half-yearly interest? PS When you deposit money - Radiators
Calculate the radiator output if it has a thermal gradient (difference between inlet water and return temperatures) a) 5°C b) 10°C c) 15°C d) 20°C A heating water volume flow is 45 kg/h. How fast the water flows from the supply pipe to the radiator e) DN1 - Free fall
The elevator car weighing 720 kg, is torn off at the height of 125 m and begins to fall in a free fall. How much kinetic energy did the elevator car have when it hit the ground floor of the building when the free fall of the car lasted 5 s? - Efficiency 41901
What percentage is the loss of a machine that works with an efficiency of 0.78? - Performance 41891
The car's engine develops a power of 1800N. Find its performance if it travels evenly on a horizontal path at 48 km/h. - Five-digit number
Anna thinks of a five-digit number not divisible by three or four. If he increments each digit by one, it gets a five-digit number divisible by three. If he reduces each digit by one, he gets a five-digit number divisible by four. If it swaps any two digi - Gravitational 41861
Find the potential gravitational energy of a 2000kg tow cage relative to the bottom of an 850m deep draw pit when the cage is on the surface. - G Force, mass The car, with a weight of 20 kN, travels at a speed of 54 km/h. What is its kinetic energy?
- Average 41841
What work do we do if we pull out a 58mm nail with an average force of 350N?
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