Rearrange variables - math word problems - page 142 of 145

Number of problems found: 2899

ISO triangle
Calculate the area of an isosceles triangle KLM if its sides' length is in the ratio k:l:m = 4:4:3 and has a perimeter 352 mm.
Iron sphere
Iron sphere weights 100 kg and density ρ = 7600 kg/m³. Calculate the volume, surface, and diameter of the sphere.
Cuboid aquarium
Cuboid 25 times 30 cm. How long does the cuboid's third side contain 30 liters of water?
Cathethus and the inscribed circle
A right triangle is given one cathetus long 14 cm and the radius of the inscribed circle of 5 cm. Calculate the area of this right triangle.
Do you solve this?
Calculate the area S of a rectangle and the lengths of its sides if its perimeter is 472 cm and the sides are in the ratio of 1:3.
ISO trapezoid v2
The bases of the isosceles trapezoid are measured 20 cm and 4 cm, and their perimeter is 55 cm. What is the area of a trapezoid?
One and a half chicken
One and a half chicken bears one and a half eggs in one and a half days. How many eggs can withstand from 9 chicken in 9 days?
Gold coin
The gold coin contains 966 permille pure gold, which is 8.7 g. What is the weight of the coin in grams?
Cross-sections of a cone
Cone with base radius 15 cm and height 20 cm divided by parallel planes to base into three bodies. The planes divide the height of the cone into three equal parts. Determine the volume ratio of the maximum and minimum of the resulting body.
Sequence
Find the common ratio of the sequence -1, 3, -9, 27, -81. Please ratio writes as a decimal number rounded to a tenth.
Cone and the ratio
The rotational cone has a height of 59 cm, and the ratio of the base surface to the lateral surface is 10: 12. Calculate the surface of the base and the lateral surface.
Crystal water
The chemist wanted to check the water content of the crystallization of chromic potassium alum K₂SO₄ * Cr₂ (SO₄) 3 * 24 H₂O, which took a long time in the laboratory. From 96.8 g of K₂SO
Garden
Father dug up the garden in 19 few hours. Son in 23 hours. How many hours does it take to dig up the garden together?
RT 11
Calculate the area of the right triangle if its perimeter is p = 45 m and one cathetus is 20 m long.
Liters in cylinder
Determine the height at which level 18 liters of water in a cylindrical container having a bottom diameter 24 cm.
Rhombus diagonal
The area of a rhombus is 790. One diagonal measures 45. Find the length of the second diagonal.
Flowerbed 2
Around the square flower bed in a park is a sidewalk about 1.3 m wide. The area of this sidewalk is 246 m². What is the area of the flowerbed?
Trapezoid ABCD v2
Trapezoid ABCD has a length of bases in ratio 2:7. The area of triangle ACD is 140 dm². What is the area of trapezoid ABCD?
Truncated cone
Calculate the height of the rotating truncated cone with volume V = 1471 cm³ and a base radii r₁ = 6.1 cm and r₂ = 7.9 cm.
Ethnicity
The share of ethnicity XY is 73%, which is 1/5 more than in the prewar period. What was the share of that ethnicity in the prewar period?

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