Grade - math word problems - page 939 of 950
Number of problems found: 18993
- Logarithm
Determine the number whose prirodzený logarithm is -3.1. - V-belt
Calculate the length of the belt on pulleys with diameters of 105 mm and 393 mm at shaft distance 697 mm. - 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 126°. They will join with a circular arc with a radius r=1110 m. How long will the arc be connecting these lines (L)? How far is the arc's center point from track crossings (x)? - Tree trunk
Calculate the average tree trunk with a circumference of 192 cm. - Tourist
Tourists walk at 4.2 km/h. Every 6 km has a 10-minute break. How many kilometers were walked when they started at 4:40 and finished at 21:40? - 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? - Seedcake
Seedcake costs 20 cents. How many minimum seedcakes must we buy that we can pay in cash, only whole euros? - 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 223 m of hot water pipelines 1" and the hot water has a price of 14.6 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. - Sphere cuts
At what distance from the center does the sphere intersect with the radius R = 46 plane if the cut area and area of the main sphere circle are in ratio 2/5? - Heron backlaw
Calculate the unknown side in a triangle with sides 39 and 38 and area 438.6. - Equilateral triangle
Calculate the side of an equilateral triangle if its area is 886 mm². - Right triangle
Right triangle legs have lengths 71 dm and 919 mm. Calculate the area of this triangle. - Triangle
Calculate the triangle's heights ABC if the triangle's sides are a=26, b=81, and c=73. - Diamond
Find the side of the diamond if its area is S = 194 cm² and one diagonal u2 = 44 cm. - Lead cube
Calculate the cube's edge made from lead, which weighs 14 kg. The density of lead is 11341 kg/m³. - Circle
How big is the area of a circle if its circumference is 51.2 cm? - Cone and cube
About what percentage has cone with base radius r larger volume than a same high cube with square base with edge length r?
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