Themes, topics - math word problems - page 166 of 167
Number of problems found: 3338
- Free fall
Pavel fall from height 9 m. Calculate the speed at which he hit the ground when falling with acceleration g = 9.81 m/s² - Pool
If water flows into the pool through two inlets, it will fill for 5 hours. If the first inlet fills the pool 5 hour longer than the second, how long does it take to fill with two inlets separately? - Wiring
The conduit has a cross-section 54² mm. Maybe put it into 6 conductors with a cross section S2 $mm²? - Cyclist
The cyclist goes uphill 7 km for 46.9 minutes and downhill minutes for 15.4 minutes. Both are applied to the pedals with the same force. How long does he pass 7 km by plane? - Floor
The room's floor area is 33 m2, and its width is 4 m. How many centimeters of circumference was measured on the floor on the map at the scale 1:75? - Daily average
Calculate the average temperature during the day, when 14 hours were 24 °C and 10 hours was 14 °C. - Car - simple
The car is traveling at 77 km per hour. How long is the distance it can travel in 1 minute? - Map
Forest has an area of 77 ha. How much area is occupied by forest on the map at scale 1:10000? - Triangle P2
Can a triangle have two right angles? - Triangle
Prove whether you can construct a triangle ABC if a=8 cm, b=6 cm, c=10 cm. - Pumps
The tank is filled with two pumps in 23 minutes. The first pump is filled in 37 minutes earlier than the second one. How many minutes is filled with the first pump? - Reciprocal
It is true (prove it) that if a > b > 0: (1)/(a)< (1)/(b) - Pipes
The water pipe has a cross-section 1903 cm². An hour has passed 859 m³ of water. How much water flows through the pipe with cross-section 300 cm² per 11 hours if water flows at the same speed? - Gold wire
From one gram of gold was pulled wire 1.4 km length. What is its diameter if the density of Au is ρ=19.5 g/cm³? - Proof I
When added to the product of two consecutive integers larger one, we get the square larger one. Is this true or not? - Train
The train passes part of the line for 55 minutes at a speed of 70 km/h. What speed would you have to go to shorten the driving time of 16 minutes? - Pump
What power does a pump output to move 1060 hl of water to a height of 43 m for 8 hours? - Fan
The fan has a speed of 155 RPM. Calculate for the time of one fan period. - Compound interest
Calculate the time when the deposit in the bank with interest 2.6% p.a. doubles. - Carbon dioxide
Calculate how many grams of oxygen are in 59 grams of carbon dioxide CO2. The relative atomic mass of oxygen is 16, and of carbon is 12.
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