Expression of a variable from the formula - math word problems - page 25 of 132
Number of problems found: 2638
- Perpendiculars 66274
The perpendiculars of a right triangle have lengths of 30 cm and 40 cm. What is the height of the triangle? - Centimeters 66264
The average height of the basketball team's primary five players is 196 cm. The underscore player is 216 cm tall. What is the average height of the remaining four players in centimeters? - Circumference 66134
The isosceles trapezoid ABCD has an area of 36 cm². One of its bases is two times longer than the other. Height is 4 cm. Calculate the circumference of the trapezoid. - Cylindrical 66114
The cylindrical vase has a volume of 1 l. Calculate the height of the vase if its base has an area of 0.5 dm².
- Parallelogram 65954
In the parallelogram ABCD AB = 8, BC = 5, BD = 7. Calculate the magnitude of the angle α = ∠DAB (in degrees). - Increase 65794
The area of the square is 36 cm². What will be the area of the square if we increase the length of a side by 25%? - Isosceles 65784
An isosceles triangle has an angle of 78°20' at the base. Calculate the size of the angle between the arms. - Calculate 65664
Calculate the remaining side of the rectangle when you know the size of the perimeter and the length of one side. o-38cm, a-12cm. - 100-b+a-a/2 65424
The foreman earned a € on Monday, on Tuesday b € less than €100, on Wednesday half less than on Monday. How many euros did he earn in total? Determine the correct answer expressed in an expression with a variable: A. a + 100-b+a+a/2 B. a + 100+ b+a-a/2 C.
- Expression 65104
There were x boys on the school trip. There were 6 fewer girls than boys. Everyone took the two-seater cable car from the lower to the upper station. Decide which expression expresses the number of double seats students occupy if two students occupy each. - Circumference 64994
Calculate the volume of the cylinder if the circumference of the base o = 31.4 cm, height v = 6.4 cm - Distance 64804
Dan is the square ABCD. At its diagonal AC lies point E. The distance AB is equal to the distance AE. What is the size of the EBC angle? - Developed 64664
The cyclist in the 1st stage covered 70 km at a speed of 22.1 km/h. In the 2nd stage, he covered 40 km (a total of 110 km), and his average speed increased to 22.9 km/h. What an average speed he developed in the 2nd stage. - Calculate 64584
The base of the block is a square with an area of 16 cm². The surface of the block is 128 cm². You calculate the volume of the block in cm³.
- Parallelogram 64414
The parallelogram has side a = 58cm and diagonals u = 89cm, v = 52cm. Calculate the perimeter and area of this parallelogram. - Respectively 64404
In the triangle, ABC, X, and Y are the centers of the sides BC and CA, respectively. The ABXY trapezoid has an area of 12. Calculate the area of triangle ABC. - Mountain 64314
The hiker set out on a hike at 5 km/h. After 30 minutes, a cyclist on a mountain bike set off on the same route at 20 km/h. How many minutes will the cyclist overtake the tourist? - Centimeter 64224
A ladder leans against the wall. It touches the wall at the height of 340 cm, and its lower end is 160 cm away from the wall. How long is the ladder? Express the result to the nearest centimeter. - Rectangle 64194
The rectangle has an area of 126 cm². The size of one side of the rectangle is 12 cm. Calculate the perimeter of the rectangle in cm.
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