Rearrange variables - math word problems - page 20 of 147

Number of problems found: 2922

Arithmetic sequence
Determine the sum of the first 12 terms of an AP (arithmetic sequence) if a4 is equal to 7 and a8 is equal to minus 1.
Trapezoid perimeter base
An isosceles trapezoid has one base twice as short as the other. Its area is 42 cm², and its height is 4 cm. Calculate its circumference if you know that the arm is 5.3 cm long.
Triangle height line
In the right triangle KLM, the hypotenuse l = 9 cm and the perpendicular k = 6 cm. Calculate the size of the height vl and the line tk.
Glass cocktail level
The cone-shaped glass has a volume of 2.5 dl and a diameter of 13 cm. How much cocktail is left in the glass if the level only reaches half the height of the glass?
Pool depth volume
Calculate the depth of a pool that is 10 m long and 5 m wide if its volume is 65 m³
Diagonal of a cube
Calculate the volume of a cube with a face diagonal of u = 20 cm.
Rectangle perimeter ratio
The sides of the rectangle are in the ratio of 5 : 8. Its perimeter measures 208 cm. Determine the area of this rectangle.
Circular segment
A circular segment has an area of 6.04 cm², the central omega angle is 15 degrees, what is the radius?
Triangle perimeter area
What are the sides of a right-angled triangle with a perimeter of 45 centimeters and a volume of 67.5 cm²?
Amazon river length
The longest Brazilian river, the Amazon, is ten times longer than the two Czech rivers, Vltava and Berounka. The ratio of the lengths of the Vltava and Berounka is 9:5. At the same time, the length ratio of the Vltava and Morava rivers is 5:4. How many ki
Circle equation points
Determine the equation of the circle that passes through the point M(-1,2) and N( 3,0) and whose center lies on the line p: x=-3+t, y=-1+t,
Trapezoid garden width
The trapezoidal garden has parallel sides of 14 m and 20 m, and its area is 136 square meters. How wide is the garden?
Circle point equation
Determine the equation of the circle that is the set of all points of the plane that are twice as far from the point [3,7] as they are from the point [0,1].
Thermal energy
From the formula for calculating thermal energy Q=m*c*t, express t and calculate by how many °C 2 kg of water must be heated to increase its energy by 126 kJ
Arithmetic mean relation
If the arithmetic mean of the numbers a1, a2, a3, a4, and a5 is the number A, the arithmetic mean of the numbers a1, a2, a3, and a4 is the number B, then what is a5 equal to?
Clock triangle angles
Calculate the sizes of the interior angles in the triangle whose vertices are the points marked by the numbers 1, 5, and 8 on the clock face.
Chocolate piece total
How many pieces does the chocolate have if I ate 6/7 of it, which is 12 pieces?
Multiply x times
Susan divided the number 52 by the number 2 eight times and multiplied it by the number 2 six times. What number did she get?
Box height volume
What is the height of a box whose base edges are 50 mm long and 0 full six dm if its volume is 120 cubic centimeters?
Trapezoid interior angles
Given is an isosceles trapezoid ABCD with bases 10 cm and 14 cm. The height of the trapezoid is 6 cm. Determine the interior angles of the trapezoid.

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