Grade - math word problems - page 903 of 944

Number of problems found: 18874

Built-up area
John build-up area 4.3 x 6.3 = 27.09 m² with building with a wall thickness 25 cm. How many centimeters would he have to subtract from the thickness of the walls that the built-up area fell by 5%?
Tower
How many m² of the copper plate should be replaced on the roof of the conical tower shape with a diameter 23 m, and the angle at the axial section's vertex is 119°?
N-gon II
What is the side length of the regular 9-gon circumscribed circle of radius 13 cm?
n-gon
What is the side length of the regular 5-gon inscribed in a circle of radius 14 cm?
Cone
Calculate the volume and surface area of the cone with a diameter of the base d=16 cm and the side of the cone with the base has angle 37°12'.
Lid
What is the weight of the concrete cover (lid) to a round shape well with a diameter 1.65 m if the thickness of the cover is 9 cm? 1 m³ of concrete weighs 2190 kg.
Block
Calculate the volume of a cuboid ABCDEFGH if |AB| = 7 cm, |BC| = 8 cm and the angle ∠CDG = 30.1°
Diagonal
The diagonal of the rectangle has a length of 41.4 cm. The angle between the diagonal and longer side of the rectangle is 26°. Calculate the area of the rectangle.
Parallelogram - side
Calculate the length of the side of a parallelogram whose area is 128 dm² and height to that side is 27.7 dm long.
Parallelogram
Calculate the area and perimeter of a parallelogram whose two sides are long a=18 cm b=14 cm and height h_a = 2 cm long.
Peak
Uphill leads 2 paths and one lift. a) How many options back and forth are there? b) How many options to get there and back by the not same path are there? c) How many options back and forth are there that we go at least once a lift?
Saving
Gejza save € 1470 to buy a car. Yet it lacks save 45% of the car price. How much is the car?
Rising price
The book first becomes more expensive by 5 euros. The new price was later increased by 28% after the second price increase book cost 30 euros. What was the original price of the book?
Pharmacy
At the pharmacy are in one container 20% solution in the second 50% solution of disinfectant. They need to prepare 4 L of the 48-percent solution. What amount of solution from each container is needed to mix?
Addends
The number 681 is divided into two addends. The first was 9 greater than 60% of the second. Determine these addends.
Cyclist
A cyclist passes 95 km in 5 hours. How many kilometers did he pass in 8 hours?
Fertilizer
Mr. Gherkin uses for fertilization 7% solution of fertilizer. 9 liters of it still left. How much water must be added to the solution to make only the 4% solution?
Typing course
Before taking a typing course, Peter could type 32 words per minute. By the course's end, he could type 65 words per minute. Find the percent increase.
Enrollment
The enrollment at a local college increased 8% from 9339 over last year. Find the increase in enrollment (x₁) and the current enrollment (x₂).
Arm
Calculate the length of the arm r of isosceles triangle ABC, with base |AB| = 14 cm and a height v=18 cm.

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