Latest word problems
Number of problems found: 785
- Add sub fractions
What is 4 1/2+2/7-213/14?
- Spherical section cut
Find the volume of a spherical section if the radius of its base is 10 cm and the magnitude of the central angle ω = 120 degrees.
- Ground level
The temperature at ground level in Helsinki is 20°C lower than in London. The temperature in a basement flat in Helsinki is 5°C below the temperature at ground level. If it is -29°c in the basement, what is the temperature in London?
- Hexaprism container
Calculate the volume and surface of a container in the shape of a regular hexagonal prism with a height of 1.4 m with a base edge of 3dm and a corresponding height of 2.6 dm.
Six-eights of the one hundred pupils joined the Math Glee club. If the members of the Math Glee club were grouped into three, how many members were in each group?
Data showed that 22% of people in a small town was infected with the COVID-19 virus. A random sample of six residents from this town was selected. Find the probability that exactly two of these residents was infected.
- Prism height
What is the height of the prism with the base of a right triangle with 6 cm and 9 cm? The diaphragm is 10.8 cm long. The volume of the prism is 58 cm3. Calculate its surface.
The germination of seeds of a certain species of carrot is 96%. What is the probability that at least 25 seeds out of 30 will germinate?
- The temperature 11
The temperature at midmorning was 31°C. Early in the evening, the temperature dropped by 5°C. What was the resulting temperature?
Weather. At 5:00 a. M. , the temperature was 28°C and at noontime it rose by 9°C. By 4:00 p. M. , it dropped 3°C and by nighttime it was 4°C less. What is the room temperature this time?
For the price of one pineapple, I will buy two oranges. For the price of three oranges, I will buy four apples. I will buy 6 bananas for the price of three apples. What is the price of one banana if I pay 1 euro for one pineapple?
- Annual growth
The population has grown from 25,000 to 33,600 in 10 years. Calculate what was the average annual population growth in%?
- Buoyancy force
An adult male has a volume of about 0.070 m3. How much buoyancy does it affect him when he is completely immersed in water?
- Orange and tangerine trees
Brad's father asked an engineer to survey the field behind their house. He wanted to plant some orange and tangerine trees there. According to the survey, the field is thirty-two feet long and six yards wide. What is the area of the field in sq feet?
Dhea is biking for 20 mins every day before going to school. She looked at her watch and she already achieved 10 hours of biking. How many days in total did she achieve?
- The bath
Dad poured 50 liters of water at 60°C into the tub. How much cold water must be added at 10°C to obtain a bath that has a temperature of 40°C?
- The fish
The fish vendor sells 5/7 kilos of bangus for Php 72.50. If you will buy 2 1/2 kilos of bangus, how much will cost?
- Math homework
It took Jose two-thirds of an hour to complete his math homework on Monday, three-fourths of an hour on Tuesday, any two- fifths of an hour on Wednesday. How many hours did it take Jose to complete his homework altogether?
- Common difference
The 4th term of an arithmetic progression is 6. If the sum of the 8th and 9th term is -72, find the common difference.
- Mappings of complex numbers
Find the images of the following points under mappings: z=3-2j w=2zj+j-1