Grade - math word problems - page 436 of 950
Number of problems found: 18992
- Soldiers 31501
The soldiers walked 90km in 3 days. The next day, they left twice more than the first day and the third day three times more than the second day. How many km did they march on each day? - Half-cylinder-shaped 31491
How many cubic meters of air is in an empty half-cylinder-shaped aircraft hangar if the hall is 30 m long and 12 m high at the highest point? - Wedding guests
Fifteen wedding guests could not agree on who would stand in the wedding photo. The groom suggested that all possible sets of wedding guests be made in the photographs. - Two gears
Two gears with 13 and 7 teeth rotate locked into each other. We want both wheels to be in the starting position again. How many turns does a big wheel have to make? - Guests - party
There are 13 guests at a party. They clink their wine glasses with each other. How many clinks will we hear in total? - Motorcycle 31451
The distance is 77 km. A car at 100 km/h and a motorcycle at 80 km/h will run against him for half an hour. Later. When will they meet? - Circular park
The circular park has an area of 1600 m². Cross the park, right in its center, leads the trail. What is the length of the trail? - Resistance 31421
What resistance must the electric element have to pass through a current of 4.4A at a voltage of 220V? - Individual 31411
On sources with voltage U = 12V, resistors R1 = 1 Ohm, R2 = 2 Ohm and R3 = 9 Ohm are connected in series. Determine the current I flowing from the source and the voltage drops U1, U2, and U3 on the individual resistors. - Following 31401
The two natural numbers are in the ratio of 3:13, and we will denote their sum. Which of the following values cannot its sum be? a) 64 b) 96 c) 112 d) 39 - School committee
Seven students were elected to the school committee. How many ways can the President, Vice-President, Secretary, and Treasurer be selected? - Calculation 31381
A chain was stretched between two identical gears with a diameter of 40 cm. The distance between the wheel centers is 1.8 m. Calculate the length of the chain. Procedure and calculation - Performance 31371
According to the plan, seven pavers were to pave the square in 14 days. After two days of work, another 5 pavers came to help them. How many days from the arrival of the pavers will the work be completed? (tile performance is the same) - Circumference + sides
The lengths of the triangle sides are in the ratio of 3:5:7. Its circumference is 45 cm. Find its lengths. - Participants 31351
How many ways can the first, second, and third prizes be awarded to the 15 participants in the math competition? - The body
The body has 2 m, 2 dm, and 10 cm dimensions. It weighs 28 kg. What is its density? - General line equations
In all examples, write the GENERAL EQUATION OF a line that is given in some way. A) the line is given parametrically: x = - 4 + 2p, y = 2 - 3p B) the slope form gives the line: y = 3x - 1 C) the line is given by two points: A [3; -3], B [-5; 2] D) the lin - Ten persons
Ten persons, each person, make a hand to each person. How many hands were given? - Savings 31311
Petr spent a fifth of his savings on a compact disc and 25% on a book on nature. He has 550 CZK left. How many crowns did Petr save? - Kilograms 31301
From two types of tea for 160 CZK per 1 kg and 220 CZK per kilogram, 20 kilograms of the mixture for 205 CZK per kilogram will be prepared. How many kilograms of each type of tea need to be mixed?
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