# Expression of a variable from the formula - math word problems

#### Number of examples found: 808

- The perimeter 3

The perimeter of a rectangle is 35 cm. The ratio of the length to its width is 3:2. Calculate the dimensions of the rectangle - Natural gas in kWh

Gas consumption for 2017 was 11,301 kWh I paid 532 € How much 1 m^{3}? - Four integers

Fnd four consecutive integers so that the product of the first two is 70 times smaller than the product of the next two. - Diameter = height

The surface of the cylinder, the height of which is equal to the diameter of the base, is 4239 cm square. Calculate the cylinder volume. - Eggs

3400 eggs sliced hens for February and March. We have to calculate how many hens can make 3400 eggs when one hen give 2 eggs a day for 59 days. - Find the 2

Find the term independent of x in the expansion of (4x^{3}+1/2x)^{8} - Perimeter from area

What is the perimeter of the square if its content is 64 cm^{2}? - Height of the arc - formula

Calculate the height of the arc if the length of the arc is 77 and chord length 40. Does exist a formula to solve this? - Cube surfce2volume

Calculate the volume of the cube if its surface is 150 cm^{2}. - Square

Calculate the area of the square shape of the isosceles triangle with the arms 50m and the base 60m. How many tiles are used to pave the square if the area of one tile is 25 dm^{2}? - Container

The container has a cylindrical shape the base diameter 0.8 m and the area of the base is equal to the area of the wall. How many liters of water can we pour into the container? - Finding the base

Find unknown base of percent: 12.5 percent of what = 16 ? - Cube into sphere

The cube has brushed a sphere as large as possible. Determine how much percent was the waste. - Family

Son is 3/5 smaller than the mother. Mother is 99 cm higher than the son. How tall is the mother? - Former price

The price of an article is cut by 10%, to restore it to the former value, by what percent the new price must be increased? - Slant height

The slant height of cone is 5cm and the radius of its base is 3cm, find the volume of the cone - In and out

The empty tank is filled in 12 minutes and empty in 16 minutes. How long does it take to fill if we forgot to close the drain? If the tank has 1000 l. - Cube 8

The surface of the cube is 0.54 m^{2}. Calculate the length of the cube edge. - Bamboo

Bamboo high 32 feet was at a certain height broken by the wind so the bamboo top reached the ground at a distance of 16 feet from the trunk. At what height from the ground was the bamboo broken? - Tangent

What distance is the tangent t of the circle (S, 4 cm) and the chord of this circle, which is 6 cm long and parallel to the tangent t?

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