Isolating a variable in the formula - math word problems - page 135 of 144
Number of problems found: 2866
- 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 3024
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? - Circumference 2951
What is the radius of a circle with a circumference of 28 cm? - Diameter 2949
What is the diameter of a circle with an area of 35 cm square? - Calculate 2946
The block's surface area is 94 cm². The lengths of its two edges are a = 3 cm and b = 5 cm. Calculate the length of its third edge. Let's say: From the formula for the block surface, first calculate c. - Even / odd numbers
a / Using variable n, write two consecutive odd numbers. b / The sum of three consecutive odd numbers is 333. What are these numbers?
- Unknown number
Determine the unknown number, which doubles its fourth square and is equal to the fifth square. - Car consumption
When driving in the city, the car has an average consumption of k liters of gasoline per 100 km, but when driving on the highway, it consumes an average of 20% liters less. Express the consumption of a car if it travels 25 km in the city and 75 km on the - Tripled square
If you tripled the length of the sides of the square ABCD, you increased its area by 200 cm². How long is the side of the square ABCD? - Destination 2894
The passenger train is 60 km from the destination station and runs at a steady speed of 54 km/h. How far will it be from the destination station in 45 minutes? - Rectangle
The length of the rectangle is in the ratio of 5:12, and the circumference is 238 cm. Calculate the length of the diagonal and the area of the rectangle.
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