Isolating a variable in the formula - math word problems - page 133 of 144
Number of problems found: 2876
- Pyramid
The pyramid has a base rectangle with a = 6cm and b = 8cm. 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. - Electrons 3363
How many electrons must be together to put a charge of -1C together? - Machines 3358
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? - Expenditures 3355
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. - Crowns 3352
A box with six pieces of soap costs x crowns. How much will five pieces of soap cost?
- Expression 3350
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? - Specify 3347
We have a number. If we divide its fourth power by its square, we get the number 0.25. Find this number. - Function 3345
Perform the inverse function from f: y = 4x + 5. - Height 3344
The bottom is 25m wide and 10m long, and there is 37640 hl of water. What height does the water reach? - Airplane
Aviator sees part of the earth's surface with an area of 200,000 square kilometers. How high does he fly? - Calculate 3339
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
The cylinder with a base of 8 dm² has a volume of 120 liters. From a cylinder filled with water, 40 liters of water were removed. At what height from the bottom /with precision to 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 3298
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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