Isolating a variable in the formula - math word problems - page 135 of 144
Number of problems found: 2876
- The cube
The cube has a surface area of 486 m². Calculate its volume. - Cylinder
A 1-meter diameter cylinder is 1413 liters of water, which is 60% of the cylinder. Calculate the cylinder height in meters, do not write the units. Please the resulting value round and write it as an integer. - Alcohol
How many cubic centimeters of 96% alcohol is needed to obtain 0.75 liters of 40% alcohol? - Dimensions 3086
The red cube has an edge 0.2 dm smaller than the blue cube. The surface of the blue cube is 294 cm². What are the dimensions of the cubes? - Simplify
Simplify the following problem and express it as a decimal: 5.68-[5-(2.69+5.65-3.89) /0.5] - Salary in enterprise
The average salary in the company is 27,000 CZK. 30% of workers have the lowest average income of 19,000 CZK. The wages in this group increased by 2%. How much did this increase the average wage across the company? - Subsequent 3056
There are 48 pupils in the third row and 17 more in each subsequent row than in the previous one. Find how many pupils there are in the first and tenth rows.
- Kilograms 3049
The water barrel weighs m kilograms. An empty barrel has a weight and kilograms. What is the weight of water in 15 barrels? - Kilometers 3029
The car consumed m liters of gasoline per s of kilometers. How many liters of gasoline does it consume per 100 km? - Inscribed circle
XYZ is a right triangle with a right angle at the vertex X and an inscribed circle with a radius of 5 cm. Find the area of the triangle XYZ if XZ = 14 cm. - Webshop 3027
The webshop reduced the price of the suit by p percent. What was the new cost of the suit? - Hotel
The hotel has a p floor each floor has i rooms from which the third are single, and the others are double. Find the number of beds in the hotel. - Kilogram - unit price
One kilogram of raisins costs a crown, and one kilogram of nuts a crown. They added 5 kg raisins and 3 kg nuts to the mixture. How much does 1 kg of mixture cost? - Calculate 3016
Calculate the height of the cylinder based on its surface S and the radius of the base r. a) r = 2 cm, S = 120 cm square b) r = 7 dm, S = 4,000 dm square c) r = 0.2 m, S = 20 square meters - Tank diameter
A cylindrical tank has a volume of 60 hectoliters and is 2.5 meters deep. Calculate the tank diameter.
- Rectangular trapezium
Calculate the perimeter of a rectangular trapezium when its area is 576 cm² and side a (base) is 30 cm, height 24 cm. - Cone container
The Rotary cone-shaped container has a volume of 1000 cubic cm and a height of 12 cm. Calculate how much metal we need to make this package. - Bus lines
Bus connections start from the bus stop on its regular circuit: No. 27 bus every 27 minutes and No.18 bus every half hour. If the bus stop meets at 10:15 a.m., what time do these two bus lines run? - Prism
The base of a vertical triangular prism is a right triangle with legs 4.5 cm and 6 cm long. What is the surface of the prism if its volume is 54 cubic centimeters? - Repetitions 2956
How many elements do we have if the variation of the third class without repetitions is ten times more than the variation of the second class?
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