Math word problems

From our database of math word problems and examples we offer:

• Right 24
  Right isosceles triangle has an altitude x drawn from the right angle to the hypotenuse dividing it into 2 unequal segments. The length of one segment is 5 cm. What is the area of the triangle? Thank you.
• Seven tractors
  Seven tractor plowed 308 ha field in four days. How many hectares of fields will plowe 9 tractors in 3 days at the same power?
• Children in the classroom
  How many children are in the classroom, where Ladislav is 10th lightest and 16th heaviest in class?
• Inverse matrix
  Find how many times is the larger determinant is the matrix A, which equals 9 as the determinant of its inverse matrix.
• Average height
  In a class are 34 students. The average height of students is 165 cm. What will be the average height of students in the classroom when two pupils tall 176 cm and 170 cm moved from this school/class?
• Forth and back
  Car goes from point A to point B at speed 78 km/h and back at 82 km/h. If went there and back at speed 81 km/h journey would take five minutes less. What is the distance between points A and B?
• Cuboid box
  How many m² paper is needed for the sticking cuboid box of dimensions 50 cm, 40 cm and 30 cm? To the folds add one-tenth the area.
• Cuboid - Vab
  Find the surface of the cuboid when its volume is 52.8 cubic centimeters, and the length of its two edges is 2 centimeters and 6 centimeters.
• Sandbox
  Sandbox has area of 32 sq ft and length of 4 1/2 ft. What is width of sandbox.
• Efficiency
  A certain device consumes 28 kW and delivers 14 kW. Find its efficiency.
• Function
  For linear function f(x) = ax + ​​b ‬ is f(14)=179; f(15)=154. Calculate m, if f(m) = 2019 .
• Four integers
  Fnd four consecutive integers so that the product of the first two is 70 times smaller than the product of the next two.
• Pairs
  At the table sit 10 people, 5 on one side and 5 on the other side. Among them are 3 pairs. Every pair wants to sit opposite each other. How many ways can they sit?
• Four sides of trapezoid
  Trapezoid is given by length of four sides: 40.5 42.5 52.8 35.0. Calculate its area.
• Fisherman
  Fisherman caught 32 fish, which is four times more than last year. How many fish he caught last year?
• Cuboid walls
  If the areas of three adjacent faces of a cuboid are 8 cm², 18 cm² and 25 cm². Find the volume of the cuboid.
• Jose and Kaitlyn
  Jose and Kaitlyn have a contest to see who can throw a baseball the farthest. Kaitlyn wins, with a throw of 200 ft. If Jose threw the ball 3/4 as far as Kaitlyn, how far did Jose throw the ball?