Algebra - math word problems - page 236 of 303
Number of problems found: 6048
- Reduce ratio
Express the following ratio in simplest form: 30:42
- How many
How many numbers are less than 222 with a digit sum of 8?
- Sum and ratio
The sum and ratio of two numbers are equal to 10. Which numbers are they?
- Hens and pigs
Hens and pigs have 46 feet in total. At least how much can heads have?
- Have solution
The sum of four consecutive even numbers is 92. Determine these numbers.
- Consecutive numbers
The sum of ten consecutive numbers is 105. Determine these numbers (write first and last).
- Classroom 3
How many children are in the classroom, where 13 children are higher than Lenka and nine children lower than Lenka?
- Ratio
5 numbers are in the ratio 1:2:4:5:5. Their sum is 29172. What are the numbers?
- Acceleration 3503
What speed was the car moving until the driver started braking when it moved with a constant acceleration a = -1.2m/s² during braking until it stopped, traveling a distance of 135m?
- Function: 83053
The inverse function to the function f(x) = √(x-3) for x ≥ 3 is the function:
- Determine 23131
Determine x in the ratio: 200:6 = x: 400
- Expression: 4085
Determine the x and y values in the expression: x! · 10^y = 0.0504.
- Expression 3801
What is the value of x in the expression 8^x = 1/64
- Probability 64764
Petra wrote natural numbers from 1 to 20 on 20 tickets. Milady had one ticket pulled out. What is the probability that Milada will pull out a ticket with a number divisible by three?
- Gardening
In the gardening community, Mr. Strawberry had 16 liters of water in his barrel. Neighbor Malina had three times more water in his barrel than Mr. Strawberry. It started to rain and the same amount of water rained into both barrels. After the rain, Mr. Ma
- Thermal energy
From the formula for calculating thermal energy Q=m*c*t, express t and calculate by how many °C 2kg of water must be heated to increase its energy by 126kJ
- MO Z7-II-1 2020
Dragons and cyclops live on a fairy-tale island. All dragons are red, three-headed, and two-legged. All cyclops are brown, one-headed, and two-legged. Cyclops have one eye in the middle of their foreheads, dragons have two eyes on each head. Cyclops and d
- Braking distance
The car travels at an average speed of 12 km/h and detects an obstacle 10 m in front of it. At 1 m in front of the obstacle, it already runs 2 km/h. What is the braking distance? What is the required deceleration for a stop: A) 1m B) 1s?
- Speedboat and train
At 12:15, a train speeding 55km/h left the station. Twelve minutes later, an 80km/h speedboat set off behind the train. What time does the express train catch up? How far from the station?
- Collection 64884
Five friends compared how much old iron they brought to the collection. It was 55 kg on average, but Ivan got only 43 kg. How many kg on average did they bring without Ivan?
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