Percentages + power - practice problems - last page
Number of problems found: 52
- Specify 3808
Specify a number that is 61% less than 10². - Square
The square's side length decreases by 25%. Now it has an area of 28 cm² lower. Find the side of the original square. - Lathe
Calculate the percentage of waste if the cube with 53 cm long edge is lathed to the cylinder with a maximum volume. - Construction 1639
A group of masons had to finish the rough construction within three days. On the first day, they completed a third of this task, but on the second day, they were delayed and did 15% less work than the first day. By what % relative to the second day must t
- Elevator
In homes with more floors, elevators are used. For passenger transport, the most commonly used traction elevator counterweight. The top of the shaft engine room with the engine. The car is suspended on a rope, which is guided up over two pulleys to the co - Sale
If the product was twice price cut by 25%, what percentage was the price cut in total? - Efficiency
A certain device consumes 28 kW and delivers 14 kW. Find its efficiency. - Lathe
From the cube of edge, 37 cm was a lathed maximum cylinder. What percentage of the cube is left as waste after being lathed? - Cube zoom
How many percents do we increase the volume and surface of the cube if we magnify its edge by 47 %?
- Sphere fall
How much percent fall volume of a sphere if diameter decreases 3×? - Computer revolution
When we started playing with computers, the first processor, which I remember was the Intel 8080 from 1974, with the performance of 0.5 MIPS. Calculate how much percent of a year rose CPU performance when Intel 486DX from 1992 has 54 MIPS. What would - Cube in ball
The cube is inscribed into the sphere of radius 181 dm. How many percent is the volume of cube of the volume of the sphere?
We apologize, but in this category are not a lot of examples.
Do you have homework that you need help solving? Ask a question, and we will try to solve it.
Do you have homework that you need help solving? Ask a question, and we will try to solve it.