Rearrange variables - math word problems - page 135 of 147
Number of problems found: 2922
- Pyramid
The pyramid has a base rectangle with a = 6 cm and b = 8 cm. The side edges are the same, and their length is 12.5 cm. Calculate the surface of the pyramid. - Cuboid and ratio
A cuboid has dimensions in a ratio of 1:2:6, and the surface area of the cuboid is 1000 dm². Calculate the volume of the cuboid. - Cylindrical tank
The cylindrical tank holds 600hl water and is deep 2.5 m. Calculate the diameter of the cylinder. - Electron charge
How many electrons must be together to put a charge of -1 C together? - Watch production
The first machine was made for hours to watch pieces. The more powerful machine produced 32 more watches in the same period. How many watches would both machines produce together in 3 hours? - Trip expenses
Expenditures on joint trips for pupils were: Travel expenses in euros. Meals in euros. Three nights in euros. Small expenses in euros. Calculate the amount of c that each student paid. - Soap cost
A box with six pieces of soap costs x crowns. How much will five pieces of soap cost? - Expression calculation
Calculate the value of the expression x / y if you know that (-4x + 3y) / y = 5 - Above Earth
To what height must a boy be raised above the earth to see one-fifth of its surface? - Number power
We have a number. If we divide its fourth power by its square, we get the number 0.25. Find this number. - Inverse function
Perform the inverse function from f: y = 4x + 5. - Water height
The bottom is 25 m wide and 10 m long, and there is 37640 hl of water. What height does the water reach? - Airplane
An aviator can see a part of the Earth's surface with an area of 200,000 km². How high is he flying? - Geometric sequence
A1 + a3 = 15 a1 + a2 + a3 = 21 Calculate a1 and q (quotient of the geometric sequence). - Price increase
A 20 percent price increase meant a 90-crown raise. How much cost a product after? - Gasoline tank cylindrical
What is the inner diameter of the tank, which is 8 m long and contains 40 cubic meters of gasoline? - The cylinder base
A cylinder with a base area of 8 dm² has a volume of 120 litres. From the cylinder, which was full of water, 40 litres were removed. At what height from the bottom (to the nearest dm) is the water level? - Rectangle
The length of the rectangle is 12 cm greater than three times its width. What dimensions and area does this rectangle have if its circumference is 104 cm? - Positive number
Which positive number equals twice its square? - Painters
Five painters painted the fence for eight days. How many days over will it take to work if they paint the fence with only four decorators?
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