Grade - math word problems
Number of examples found: 5336
- Air mass
What is the weight of the air in a classroom with dimensions 10 m × 10 m × 2.7 m ? The air density is 1.293 kg/m3.
- A cloth
There are flower cloth 495 meters, white cloth 330 meters. What is the percentage of white cloth? How much is white cloth less than flower cloth?
- Doug biked
Doug biked 5 1/4 miles in 3/4 of an hour. What is his average speed?
- Two rectangles 2
A square of area 36 cm2 is cut out to make two rectangles. A and B The area of area A to area B is 2 : 1 Find the dimensions of rectangles A and B.
- Red diplomas
He numbers of students with honors in 2013 and 2014 are in ratio 40:49. How big is the year-on-year percentage increase?
- Coordinates of vector
Determine the coordinate of a vector u=CD if C(19;-7) and D(-16;-5)
- Perpendicular prism
Calculate the volume of the perpendicular prism if its height is 60.8 cm and the base is a rectangular triangle with 40.4 cm and 43 cm legs.
- Cube cut
The cube ABCDA'B'C'D ' has an edge of 12cm. Calculate the area of diagonal cut B DD'B '.
- Ruler and compass
Use a ruler and compass to construct a triangle ABC with AB 5cm BAC 60° and ACB 45°.
- Ladder slope
What is the slope of a ladder 6.2 m long and 5.12 m in height.
- Ten fractions
Write ten fractions between 1/3 and 2/3
- Mow the lawn
Dano would mow the lawn in 12 hours and Milada in 16 hours. How long will take the lawn mow together?
The garden grows 312 roses and 389 tulips. Which flowers are more? How many?
How many hours are, if the time that elapsed since 8:00 is 2/5 of the time that will past till midnight?
- After 16 years
After 16 years will Dana be five times older as she was four years ago. After how many years will Dana celebrate her 16th birthday?
- Scale of the map
Determine the scale of the map if the actual distance between A and B is 720 km and distance on the map is 20 cm.
- Sequence - 5 members
Write first five members of the sequence ?
- Motor oil
30 liters of oil cost 28.80 Euros. How much cost a liter?
- Equation with abs value
How many solutions has the equation ? in the real numbers?
How many meters of fencing it is required to purchase if our garden is rectangular measuring 20 m and 180 dm.