Expression of a variable from the formula - math word problems - page 118 of 133
Number of problems found: 2644
- Mean
For a student's food, the mean of 50 items is 38.6. When checking the work, he found that he had taken one item as 50 to read as 40 in these circumstances correctly. What should the correct arithmetic mean? - Specify 3808
Specify a number that is 61% less than 10². - Rectangle
Calculate the area of the rectangle if its length is 12 cm longer than its width and length is equal to the square of its width. - Difference 3802
Determine the second term and the difference AP if a3 = 5 and a1 + a3 = 16.
- Expression 3801
What is the value of x in the expression 8^x = 1/64 - Determine 3800
Dano and Juraj have a total of 120 euros. Juraj has 40% less money than Daniel. Determine how much money Daniel and Juraj have. - Cargo
The car with cargo weighs 7610 kg. The car's weight is 23% of the car's total weight and cargo. How heavy is the cargo? - Q of GP
Calculate the quotient of geometric progression if a1=5 and a1+a2=12. - Determine 3796
Determine the quotient and the second GP member if a3 = -5, a2 + a3 = -7
- Prism bases
Volume perpendicular quadrilateral prism is 360 cm³. The edges of the base and height of the prism are in the ratio 5:4:2. Find the area of the base and walls of the prism. - Determine 3789
Determine x if 52% of x equals 9.1 * 6. - Determine 3784
The teacher brought to class two wooden models of cones, which were made of the same type of wood. The first model weighed 800g. The other had twice the base radius but half the height. Determine the mass of the second cone in grams. - Sides ratio
Calculate the circumference of a triangle with area 84 cm² if a:b:c = 10:17:21 - Determine 3782
Determine the value of x if x0.5 = 6
- Determine 3779
Determine the perimeter of the rectangle if its length and width are 2:1 and the area is 98 cm². - Exponential equation
Find x, if 625^x = 5 The equation is exponential because the unknown is in the exponential power of 625 - Table
The circumference of the rectangle table is 420 cm. Length to width ratio is 5:2 . Calculate table dimensions and dimensions reduced in the ratio of 3:5 - Painting rooms
If Daniel paints for three hours daily, he completes it in 7.5 days. How many hours a day would he have to work to finish the job 1.5 days earlier? - Determine 3763
Determine the first and third GP members if q = -8, and a2 + a5 = 8176
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