Rearrange variables - math word problems - page 119 of 147
Number of problems found: 2922
- Trapezoid 15
The area of a trapezoid is 266. What is the value of x if the bases are b₁ = 2x − 3 and b₂ = 2x + 1, and the height is h = x + 4? - Cylinder diameter
The volume of the cylinder is calculated as V = 1/4 pi times d on the type times v. Express the average d using the volume V and the height in the cylinder. Calculate d for V = 1000 l and v = 23 dm - Isosceles right triangle
The area of an isosceles right triangle is 18 dm². Calculate the length of its base. - Equilateral triangle
The equilateral triangle has a 23 cm long side. Calculate its area. - Billboard
A rectangular billboard is 2.5 m long with a diagonal of 2.8 m long. Calculate the perimeter and the area of the billboard. - Isosceles triangle
Calculate the area and perimeter of an isosceles triangle ABC with base AB if a = 6 cm, c = 7 cm. - Land - isosceles trapezoid
Calculate the building plot's area and perimeter using an isosceles trapezoid with bases of 120 m and 95 m and a height of 50 m. - Flu cases
There were 36 new cases of influenza at the school during the study week, which was 40 percent less than in the previous week. How many new flu cases have been reported in the last week? - Perimeter to area
Calculate the area of a circle with a perimeter of 15 meters. - Diagonals of diamond
Find the area and circumference of the diamond ABCD with 15 m and 11 m diagonals. - Cone cutout
The cone shell with a base radius of 20 cm and a height of 50 cm unfolds into a circular cutout. How big is the center angle of this cutout? - Cone volume
The area of the rotating cone shell is 240 cm2, and the area of its base is 160 cm². Calculate the volume of this cone. - Tea mixture
We add 4 kg of tea to 2 kilograms of tea for 15 €, and we get the mixture for 12 €. How much is kg of second tea? - Trapezoid - central median The central median divides the trapezoid into two smaller trapezoids. Find the ratio of its areas.
- Parallelogram
Calculate the unknown side of a parallelogram if you know the perimeter o and one side: a) o = 7.2 cm; b = 1.8 cm b) o = 5.4 cm; a = 1.9 cm - Rhombus
One angle of a rhombus is 136°, and the shorter diagonal is 8 cm long. Find the length of the longer diagonal and the side of the rhombus. - Cost reduction
Two MP3 players whose prices were equal initially were discounted, the first by 20%, the second by 35%. After the price reduction, their prices were 750 CZK different. What was each player's original price? - Land exchange
Mr. Sova had a plot of land with an area of 3600 m². However, he exchanged it for another square plot, which was 5 m larger. How many m² does the larger land now have? - Rectangular trapezoid
The rectangular trapezoid ABCD is: /AB/ = /BC/ = /AC/. The length of the median is 6 cm. Calculate the perimeter and area of a trapezoid. - Elements
If the number of elements is decreased by two, the number of permutations is decreased 30 times. How many elements are?
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