Unit conversion - math word problems - page 126 of 129

Number of problems found: 2565

Area
Calculate: x = 8 m² + 8 dm² + 8 cm²
Clock
How many hours are 10 days?
Sphere
The sphere's surface is 27100 cm², and the weight is 117.8 kg. What is its density?
Height 2
Calculate the height of the equilateral triangle with side 22.
Garden
How many steps of 76 cm circumvent the square garden with area 1.8 ha?
Bricks
Brick has volume 2.4 dm³. How many bricks can drive a truck with a capacity of 15 ton? The density of brick is 2 g/cm³.
Rainfall
Annual rainfall in our country is an average of 619 mm. How many m³ of water rains on average per hectare?
Trunk
Calculate the length of the biggest fishing rod that can be inserted into the trunk of a car with dimensions 152 x 82 × 81 cm.
Rotating cone II
Calculate the area of the surface of a rotating cone with base radius r=15 cm and height h=13 cm.
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?
The angle of lines
Calculate the angle of two lines y=x-8 and y=+12
Minute angle
Find the size of the angle, which takes a minute hand for 30 minutes.
Clock
How long is the trajectory of the second hand of hours for day, if it is 15 mm long?
Earth parallel
Earth's radius is 6377 km long. Calculate the length parallel to latitude 75°.
Track arc
Two straight tracks are at an angle 74°. They will join with a circular arc with a radius r=1127 m. How long will the arc be connecting these lines (L)? How far is the arc's center point from track crossings (x)?
Tourist
Tourists walk at 4.1 km/h. Every 5 km has a 20-minute break. How many kilometers were walked when they started at 4:40 and finished at 10:30?
Conserving water
Calculate how many euros are spent annually on unnecessary domestic hot water, which cools during the night in the pipeline. The residential house has 129 m of hot water pipelines 5/8" and the hot water has a price of 7 Eur/m³.
Sphere slices
Calculate the volume and surface of a sphere if the radii of a parallel cut r₁=32 cm, r₂=47 cm, and its distance v=21 cm.
Lead cube
Calculate the cube's edge made from lead, which weighs 14 kg. The density of lead is 11341 kg/m³.
Pump
What power does a pump output to move 1060 hl of water to a height of 43 m for 8 hours?

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