Grade - math word problems - page 470 of 968

Number of problems found: 19341

Penalty success increase
Maroš, the captain of the football team Coyotes from Kojetín, converted 15 penalties out of 20, so he has a success rate of 75%. How many percentage points will his success rate increase if he converts the following 5 penalties without hesitation?
Aquarium water height
The bottom of the aquarium measures 30 cm and 50 cm. To what height will the aquarium be filled if 60 liters of water are poured into it?
Per mille decimal
Write the per mille as a decimal number 2 ‰ 50 ‰ 2.5 ‰ 0.6 ‰
Per mille fraction
Write the per mille as a fraction Seven ‰ 25 ‰ 15 ‰ 10 ‰ 2.5 ‰ 1.7 ‰ 0.8 ‰ 2 ‰
Motorcycle engine
The motorcycle engine has a constant power of 1.2 kW for 0.5 hours. How much work does the engine do? Express work in kWh and Ws units.
Three examples per-mille
A. Calculate 1.5 ‰ from 4.5 liters of blood. Express the result in milliliters. B. Calculate three ‰ from € 50,000. C. The tray they brought breakfast to the landlord's bed is made of an alloy that contains 830 ‰ of silver. How much silver did they use on
Gas pipeline
Worker Miller excavated the gas pipeline in 15 hours, worker Lawrence in 12 hours, and worker Spencer in 10 hours. After how many hours of joint work will the excavation be completed?
Pizza circumference
Calculate the circumference of a pizza with a diameter of 62 cm. How big is the plate on which it is placed when it covers it?
Inclined plane
1. How much work W do we have to do to pull a body weighing 200 kg along an inclined plane with a length of 4 m to a total height of 1.5 m? 2. Find the force we need to exert to do this if we neglect frictional resistance. 3. Find the force we would need
Divisors of 560
Which of the numbers 5, 6, 7, 14, and 15 are divisors of 560? Please justify the answer.
Four-digit numbers
How many four-digit numbers can we make from the numbers 2, 6, 3, 5, 1, and 9 if we cannot repeat the numbers in the number?
Two-digit number writing
Write all two-digit numbers using the numbers 4 and 7
Mr. Michal
Mr. Michal commutes to work and back on the motorway. Sometimes he is in a hurry and exceeds the permitted speed, at other times he follows the rules. Sometimes on the motorway the speed is checked by radar, and at other times not. a) how many different c
Rectangle area decrease
The rectangle has side lengths of a = 40 cm and b = 10 cm. We reduce side a's length by 30% and side b by 10%. Determine how much less the area of the rectangle has decreased in percentages.
Barrel water remaining
There were 50 liters of water in two barrels. Kate took several liters from the first barrel and watered the vegetables in the garden. From the second barrel, Kevin took as much water as was left in the first barrel and watered the flowers. How many liter
The missing digit
Complete the missing digit in the number 3 ∗ 43 to form a number divisible by three. If there are multiple options, list them all. (The omitted digit is marked with the symbol ∗. ) Answers must be justified!
Prime factors
Factor the number 6600 into the product of prime numbers.
Book shelf positions
How many positions are there to store three books on the shelf?
Motorcyclist and a car
The passenger car left at 7:00 and was heading east at a speed of 60 km/h. A motorcyclist left the same place and headed north at 40 km/h. What will be their air distance at ten o'clock?
Ski lift height
What height difference does the 2.5 km long ski lift overcome when the horizontal distance of the entry and exit station is 1200 meters?

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