Power - math word problems - page 16 of 30
Number of problems found: 599
- Function 8437
Express the volume of a cube as a function of its edge size.
- The mowers
The mowers were to mow two meadows, one twice as big as the other. They divided into two equal groups in the first half of the day. One continued to mow a larger meadow and cut it all by the end of the day. The second group mowed a smaller meadow but did
- Simplify
Simplify powers multiplication: (3+2²)(5-4²)
- Containing 8340
Calculate the perimeter of a square containing 9 acres.
- Calculate 8327
Calculate the surface area of a cube with a volume of 262,144 cm³.
- Centimeter 8324
Calculate the radius of a sphere with a volume of 6.2 dm3, round to the nearest centimeter.
- Cube into cylinder
If we dip a wooden cube into a barrel with a 40cm radius, the water will rise 10 cm. What is the size of the cube edge?
- Friction coefficient
What is the weight of a car when it moves on a horizontal road at a speed of v = 50 km/h at engine power P = 7 kW? The friction coefficient is 0.07
- Calculate 8166
Calculate the perimeter of a square when we know the length of its diagonal e = 4.2 m
- Four pavers
Four pavers would pave the square in 18 days. How many pavers do you need to add to the done work in 12 days?
- The sides 2
The sides of a trapezoid are in the ratio 2:5:8:5. The trapezoid's area is 245. Find the height and the perimeter of the trapezoid.
- Power input
The construction lift lifted a 300 kg load to a height of 12 m with uniform movement. If the efficiency is 75% and the engine has a power input of 5 kW, how long did it take for the load to be lifted?
- Cube root
For 13, Sam wrote 2891 instead of the correct cube number. By how much was he wrong?
- Block-shaped 7976
A block-shaped pool with a volume of 200m³ is to be built in the recreation area. Its length should be 4 times the width, while the price of 1 m² of the pool bottom is 2 times cheaper than 1 m² of the pool wall. What dimensions must the pool have to make
- Expression: 7974
Number 1 is the value of the expression: a 5-3 b. 22 - 32 c. (2 - 3)² d. 2 - 32 e. 32 - 22
- Rotating 7947
In the rotating cone = 100π S rotating cone = 90π v =? r =?
- Triangular pyramid
What is the volume of a regular triangular pyramid with a side 3 cm long?
- Dimensions 7932
The volume of the block is 5760 cm³. For the dimensions of a given block, a: b = 4:3, b: c = 2:5 Calculate its surface.
- Completing square
Solve the quadratic equation: m²=4m+20 using completing the square method.
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