Grade - math word problems - page 289 of 968
Number of problems found: 19343
- Car kinetic energy
A railway car weighing 10 t moves around the Earth at a speed of 10 m/s. Determine the kinetic energy of the car relative to the Earth and relative to another car moving at a speed of 10 m/s relative to the Earth, both in the same direction and the opposi - Water + barrel
A barrel of water weighs 520 kg. The weight of the barrel is 60% of the total weight. What is the weight of the water? - Square triangle area
The area of the ABCD square in the picture is 36 cm². Points E and F are the centers of the square BC and CD sides. What is the area of the triangle AEF in cm²? - Cube volume edge
The cube with a volume of 216 l has an edge with the following: - Number line midpoint
You will find an unknown number on the number line between 428 and the unknown number 290. - Tank spherical canopy
The gas tank consists of a 16 m high cylinder with a diameter of 28 m, which is closed at the top by a spherical canopy. The center of the spherical surface lies 4 m below the bottom of the cylinder. Please calculate the spherical surface's radius and the - Increased sides
If side b of the rectangle increases by 1 cm and the other side decreases by 4 cm at the same time, the area of the rectangle decreases by 48 cm². If side b increases by 2 cm and side a decreases by 1 cm at the same time, the area of the rectangle increas - Depth angle
Determine the height of the cloud above the lake's surface if we see it from place A at an elevation angle of 20° 57'. From the same place A, we see its image in the lake at a depth angle of 24° 12'. Observation point A is 115 m above the lake level. - Number reduction percent
If you reduce the unknown number by 90, you get 88% of its original value. Specify this unknown number. - Block edge sum
The block has a square base of 36 dm2, and its height is 1/3 of the length of the base edge. Find the sum of the lengths of all edges of a block. - Number divisible four In entry 85 * 0, replace the asterisk with a number to give the smallest possible four-digit number divisible by 4.
- Cylinder radius hundredfold
The length of the radius of the rotating cylinder base is 5 m. You calculate the radius of an equally high cylinder, the volume of which is a hundredfold. - Fountain sidewalk area
A 2 m wide sidewalk is built around the circular fountain. The radii of the circles that delimit the path on both sides are 4:3. What area in square meters does this sidewalk occupy? - Car meeting time
At 10:00 AM, a car started from place A at a speed of 70 km/h. 0.5 hours later, a car started from the same point at a speed of 100 km/h. What time did they meet? How many kilometers from point A did they travel before they met? - Octagon side perimeter
The perimeter of the regular octagon is 8u + 16 cm. Calculate the side if u = 0.5 cm. - Garden perimeter area
Calculate the perimeter and the area of a rectangular garden if the diagonal length is 18 m long and one of the sides of the garden is 9 m long. - Product discount price
The product was discounted by 15% and the price after the discount is 300 euros. How much did it cost before the deal? - Son birth year
My only son was born when I was 37 years old. That was exactly 32 years after the death of my grandfather, and he died at the age of 64. Dedecek was 12 years older than Grandma; they got married in 1947, just when Grandma was 18 years old. What year was m - Number percentage smaller
60 is 20% less than what number? - Nut mix weight
Mom bought a mixture of nuts. It contains 0.2 kg of hazelnuts. 1/4 kg of cashew nuts and 2/3 kg of peanuts. How much did the whole mix weigh?
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