Grade - math word problems - page 672 of 968
Number of problems found: 19341
- Average mark
In the 6th class, the average half-year mark in physics was 1.7. At the end of the year, Matthew improved his grade from 2 to 1, Ivana from 3 to 2, and Elena from 4 to 2. Paul's grade worsened from 3 to 4. The average mark of the whole class thus improved - Drawing Gym to Scale
The gym at the school is 12 m wide and 1800 cm long. Draw it on a scale of 1:500 - Surface of cubes
Peter molded a cuboid of 2 cm, 4 cm, and 9 cm of plasticine. Then, the plasticine was split into two parts in a ratio of 1:8. From each piece, a cube was made. In what ratio are the surfaces of these cubes? - Strawberry Jam Sugar
Friends Marika and Kate decided to prepare strawberry jam together according to the recipe. They needed 50 g of sugar for 0.5 kg of fruit. How many kilograms of sugar must the friends prepare if they make jam from 2.3 kg of strawberries? - Quality class
The probability that a product is of 1st, 2nd or 3rd quality class is 0.5, 0.3 and 0.2. The probability that products in these quality classes pass acceptance inspection at the customer is respectively 0.9, 0.7 and 0.2. a) What is the probability that a r - The bulbs
The bulbs are connected serially to two bulbs and one resistor. Each bulb has a resistivity of 100 ohms, and the resistor has a resistivity of 60 ohms. The voltage source in the circuit is 24 volts. Do you know what voltage to measure on individual applia - Calculate
Calculate the area cm² diamond with a side length of 9.8 cm and a height on the side of 5 cm. - Two Numbers Ratio Larger
The ratio of the two natural numbers is 2:3. The smaller natural number from this pair is 12. Calculate the larger. - The well
The well has the shape of a cylinder with a diameter of 2 m. From ground level to water level are 4 meters, and the water depth in the well is 6 m. How many m³ of soil did they dig when digging a well? How many liters of water are in the well? - Team athletes
There are 99 athletes on the American team. There were 35 more athletes in the Japanese expedition than in the American one. There is an eighth less in the Czech expedition than in the Japanese expedition. How many athletes are there on individual expedit - Balls Two Colors Ratio
Peter chose balls of two colors. The numbers of yellows and reds were in the ratio of 7:5, and the yellows were six more. How many did he have? - How much
How much money will we pay for 20 planks 4m long, 15cm wide, and 26mm thick when 1m³ of wood costs 4500kč? - Pyramid Surface Area Ratio
The area of a regular quadrilateral pyramid's mantle is equal to twice its base's area. Calculate the pyramid's surface if the length of the base edge is 20 dm. - Kilometers Driven Increase
In 2016, we drove 52893.9 km, and in 2017, we drove 64035.4 km. By how many kilometers did they increase? - Pool tiles
The pool is 25 m long, 10 m wide, and 160 cm deep. How many m² of tiles will be needed on the walls and the bottom of the pool? How many tiles are needed when one tile has a square shape with a 20 cm side? How much does it cost when 1 m² of tiles costs 25 - Natural numbers equation
Find the natural numbers x and y such that: 1/2 = x / y and in addition that: x + y = 6 - Inverse matrix columns
Find how many columns will contain the inverse matrix to matrix C if matrix C contains nine elements. - Flying
The airplane from Prague to Bratislava was flying at a speed of 60 km/h less and back by 70 km/h greater than the original speed. What was the original speed if the plane returned to Prague according to the timetable? - Pyramid Volume Trapezoid Base
Calculate the volume of a 1.3 dm high pyramid with a trapezoidal base. The bases are 2.3 dm and 1.6 dm long, and the pyramid's height is 1.8 dm. - Exponential warm
Suppose that a body with temperature T1 is placed in surroundings with temperature T0 different from that of T1. The body will either cool or warm to temperature T(t) after time t, in minutes, where T(t)=T0 + (T1-T0)e^(-kt). If we placed jello salad at 30
Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
