Grade - math word problems - page 299 of 967
Number of problems found: 19337
- Raindrops
The car runs on a horizontal track at a constant speed of 20 m2-1. It is raining. Raindrops fall in a vertical direction at a speed of 6 m/s. a) How fast is the speed of the drops relative to the car windows? b) What is the angle of the raindro - Saving account
After a year, the bank added 54 euros to Mrs. Eve's savings account. The interest rate on her savings account is 1.25% p.a. How many euros did Mrs. Eve have in her account a year ago? - Side wall planes
Find the volume and surface of a cuboid whose side c is 30 cm long and whose body diagonal forms angles of 24°20' and 45°30' with the planes of the side walls. - A box 4
A box open at the top has a rectangular base of 200 mm x 300 mm and an altitude of 150 mm. If the base and the sides are 10 mm thick, find the box's total surface area. - How many
How many euros will Mr. Kováč earn if he gives two-fifths of his earnings to repay the loan, one-quarter of his earnings for an apartment and a telephone, and he has 350 euros left for other expenses? - Sphere submerged in the cone
A right circular cone with a top width of 24 cm and an altitude of 8 cm is filled with water. A spherical steel ball with a radius of 3.0 cm is submerged in the cone. Find the volume of water below the sphere. - Similar frustums
The upper and lower radii of a frustum of a right circular cone are 8 cm and 32 cm, respectively. If the altitude of the frustum is 10 cm, how far from the bottom base must a cutting plane be made to form two similar frustums? - Mr. Vandar
Mr. Vandar washed 1/4 of his laundry, and his son washed 2/7 of it. Who washed most of the laundry? How much of the laundry still needs to be washed? - Square garden
The square garden has an area of 36 square meters. What area will its image have in the 1:60 scale? - Triangle angle sides
In the right triangle ABC, calculate the magnitude of the interior angles if / AB / = 13 cm; / BC / = 12 cm and / AC / = 5 cm. - Aquarium shelf area
The block-shaped aquarium is 40 cm high and has a volume of 80 l. What area in m² will it occupy on the shelf on which it is built? - Nitric acid
We want to prepare 200 g of 30% nitric acid. We have enough 12% and 60% of this acid. How many of which will we need? - Cosine
Cosine and sine theorem: Calculate all unknown values (side lengths or angles) from triangle ABC. c = 2.9 cm; β = 28°; γ = 14° α =? °; a =? cm; b =? cm - Cosine Cosine and sine theorem: Calculate all unknown values (sides and angles) of the triangle ABC. a = 20 cm; b = 15 cm; γ = 90°; c =? cm; α =? °; β =? °
- Block edge reduction
We will reduce one edge of the block with dimensions of 2 cm, 4 cm, and 6 cm by 20%. How does the volume of a block change? What percentage? - Kindergarten milk consumption
Each of the 60 kindergarten children drank 1.5 liters of milk on Monday morning and 1.8 liters of milk in the afternoon. How many liters of milk did all the children of this kindergarten drink on Monday? - Living room plan
The drawing of the apartment has a scale of 1:200. The living room measures 2 cm × 3 cm on the drawing. What is the actual area of the living room in square metres? - Mother daughter cleaning
The daughter needs 12 hours to clean up after the painters. The mother could do the same cleaning in 8 hours. How long will it take to clean up after the painters if the mother starts work only after the daughter has completed 2 hours? - Boat canal meeting
From Strážnice, a motor boat left the Baťa canal at a speed of 12 km/h towards the anchorage near Otrokovice. Two hours later, a second boat followed her at a speed of 20 km/h. Both ships arrived in Otrokovice at the same time. How many kilometers is it f - A student 3
A student earned a grade of 80% on a math test with 20 problems. How many problems on this test did the student answer correctly? Round to the nearest whole number.
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