Rearrange variables - math word problems - page 73 of 147

Number of problems found: 2922

Number difference puzzle
When I subtract their difference from the sum of two arbitrary numbers, I always get twice the second number. Why?
Trapezoid circuit area
A right-angled trapezoid has parallel sides of 9 cm and 50 mm, and the shorter leg is 3 cm long. Calculate the perimeter and area.
Prism height calculation
The 4-sided prism has a volume of 648 cubic cm. The trapezoid, its base, has the dimensions a-10 cm, c-8 cm, h-6 cm. Calculate the height of the prism
Rectangle area comparison
The rectangle has 10 and 8 cm dimensions on a 1:10 scale plan. How many times does it have more area than on the plan?
An example
An example is playfully for grade 6 from Math, and I don't know how to explain it to my daughter when I don't want to use the calculator to calculate the cube root. Thus: The student made a cuboid from a block of 16x18x48 mm of plasticine. What will be th
Trapezoid angle calculation
In the ABCD trapezoid: | AD | = | CD | = | BC | a | AB | = | AC |. Determine the size of the delta angle.
Currant bush planting
Gardeners planted 16% more currant bushes than initially planned. They planted a total of 145 shrubs. What was the original plan?
Triangle branch length
The right triangle has an area of 225 cm². One of its legs is twice the length of the other. Find the lengths of its legs.
Class student formula
There are x girls and nine boys in the class. Write a formula for the number y of all students in the class. Express the number of girls from the formula.
Two rectangular boxes
Two rectangular boxes with dimensions of 5 cm, 8 cm, 10 cm, and second of 5 cm, 12 cm, and 1 dm will be replaced by a single cube box of the same cubic volume. Calculate its surface.
Ant food transport
Fifteen ants bring 10 g of food to the anthill in 1 hour. In how many hours will five ants carry 1 kg of food?
Cube edge calculation
What is the edge size of a cube with an area of 37.5 m²?
The edge of a cube
How much does the edge of a cube of 54.9 cm³ measure?
Cylinder volume comparison
The cylinder has a volume of 200 liters. What is the volume in liters of a second cylinder twice as wide and half-height? (π = 3.14)
Cube edge doubling
There is a cube with an edge. How long must the cube's edge be in which the volume should be twice the volume of the original cube?
Squares ratio
The first square has a side length of a = 6 cm. The second square has a circumference of 6 dm. Calculate the proportions of the perimeters and the proportions of these squares. (Write the ratio in the basic form). (Perimeter = 4 * a, area S = a²)
Cuboid and ratio
A cuboid has a volume of 810 cm³. The lengths of edges from the same vertex are in a ratio of 2:3:5. Find the dimensions of a cuboid.
Cylinder surface calculation
The cylinder has a volume of 2000 liters and a height of 8 dm. What is its surface?
Square circuit ratio
The area of one square is 81 cm², and the area of the other is 225 cm². What is the ratio of their circuits?
Road embankment volume
The road embankment has a cross-section of an isosceles trapezoid with bases 16 m and 10 m long and with arms 5 m long. How many cubic meters of soil is in the 400 meters long dam?

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