Grade - math word problems - page 604 of 968
Number of problems found: 19341
- Volume of ball
Find the volume of a volleyball with a radius of 4 1/2 decimeters. Use 22/7 for π - The volume 2
The volume of a cube is 27 cubic meters. Find the height of the cube. - Mini-survey
In our class's mini-survey about the popularity of individual subjects, it turned out that 11.1% of pupils like mathematics, 18.5% enjoy languages, 30.4% like physical education, and the remaining 12 pupils have several popular subjects. How many students - Cube diagonals
Calculate the length of the side and the diagonals of the cube with a volume of 27 cm³. - On a farm
A farm has 900 rabbits, 700 sheep, 300 cattle, and 500 pigs. What percentage of the total number of animals are rabbits? - Clogging
How much distilled water must the pharmacist add to 30 g of a 30% hydrogen peroxide solution to obtain a 3% solution for clogging? - Rectangle 45
The perimeter of a rectangle is 60 cm if the length of the rectangle is 20 cm. a)find the width b)find the area. - Apartment rent difference
The apartment on the first floor has an annual rent of 10% higher than the same apartment on the second floor. The difference in the yearly rent is €105. What are the annual rent for the apartment on the first floor and the apartment on the second floor? - Two friends
Peter can do all his work himself in 6 hours, while Martin can do the same work himself in 8 hours. Peter worked first and was then replaced by Martin, so the whole work was done in 6.5 hours. Calculate how long Peter worked before being replaced by Marti - Diamond diagonals
Find the diamond diagonal's lengths if the area is 156 cm² and the side is 13 cm long. - Matrix determinant change
We have a matrix of order n ≥ 3. If we add the last column to each column (including the last), how does its determinant change? - The cyclist
The cyclist drove from A to B, 60 km away. The first half drove at 30 km/h, and the second at 20 km/h. How long did it take for him? - Dental check class
Class 7B is having a preventive dental check-up. Two dental caries were found in a quarter of the pupils and one caries in an eighth. Half of the class had all their teeth healthy. How many pupils go to class 7B if three pupils are absent on the day of th - Light bulb resistance
The resistance of a 40 W light bulb is 10 Ohms. What voltage source is connected to it? What current is flowing through it? - Cell division
At the end we could have something simpler and a bit (at least mathematically) more fun... At the beginning there was nothing... But no, here we have at the beginning one single cell. This cell is not just any ordinary cell, it is special, because there i - Adding mixed numbers
Add these two mixed numbers: 1 5/6 + 2 2/11= - Wage variance deviation
A statistician monitored the variance of monthly wages and found its value to be 640,000. Determine the standard deviation of salaries after a one-off increase of: a) CZK 1,800, b) 5%. - Wafers
They used 200 pieces to make wafers. One hundred fifty-seven topped with caramel topping and 100 with sugar topping. How many wafers did both toppings have? - Tomas Sisters Combined Age
Tomas is 15 years old and has three sisters. Martina is two, Karolina 5, and Zorka 6 years old. How many years will Tomas be as old as all his sisters? - Sugar production From 1 ton of beet, 150 kg of sugar is produced. 450 kg of lime is consumed to clean 1 ton of sugar. Calculate how many kgs of lime are consumed when processing 1 ton of sugar beet.
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