Grade - math word problems - page 934 of 945
Number of problems found: 18898
- Isosceles triangle
Calculate the perimeter of the isosceles triangle with arm length 87 cm and base length of 95 cm.
- Minute angle
Find the size of the angle, which takes a minute hand for 30 minutes.
- Guess number
With what number should be divided, number 10387 to be reduced by 30%?
- Secret number
Find the secret number n, which reversed decreases by 15.4 if the number increases by 15.4.
- Angles
The triangle is one outer angle 82°6' and one internal angle 48°36'. Calculate the other interior angles of a triangle.
- Rectangle SS
The perimeter of a rectangle is 154 dm, and its diagonal is 62.36 dm. Find the dimensions of the rectangle.
- Logarithm
Determine the number whose decimal logarithm is -3.8.
- 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 4.1 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?
- 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.
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