How much will cost cover a 6 m long concrete pipe with an outer radius 1.5 m and inner radius 0.8 meters if 1 m2 paint costs 24 €.
Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):
Showing 0 comments:
Be the first to comment!
To solve this example are needed these knowledge from mathematics:
Next similar examples:
How long is the pipe with an outside diameter of 1.44 m if his coloring consumed 44 kg of color. 1 kg of color coverage is 9 m2.
- Washing machine
The price of washing machine was decreased by 21% and then by 55 € due small sales. After two price decreases cost € 343. How much was originally cost?
Large backpack cost CZK 1352, little is 35% cheaper. How much we paid for 5 large and 2 small backpacks?
One-fifth of the monthly pocket money contributes Maros for food for his cat, half of the rest postpone for a new smartphone. The remaining € 8 spend. How much pocket money gets Maros a month?
VAT is a tax which the state artificially betrays goods and services for final consumption. VAT in Slovakia is 20%. Calculate how much percent pay less tax residents of Liechtenstein, when VAT is only 8%.
A camera has a listed price of $751.98 before tax. If the sales tax rate is 9.25%, find the total cost of the camera with sales tax included.
Garden plastic greenhouse is shaped half cylinder with a diameter of 6 m and base length 20 m. At least how many m2 of plastic is need to its cover?
The cylinder surface is 859 dm2, its height is equal to the radius of the base. Calculate height of this cylinder.
Kitchen roller has a diameter 70 mm and width of 359 mm. How many square millimeters roll on one turn?
The purchase price of goods is 13000, the sales price is the 20000. What is the profitability as a percentage?
- Sales off 2
Computer monitor sold for 8400 CZK in March. In April, dealer price decreased by 798 CZK. Calculate the percentage by which the price was reduced.
Production of television sets increased from 3,500 units to 4,200 units. Calculate the percentage of production increase.
- Percents - easy
How many percent is 432 out of 434?
In a class are 32 pupils. Of these are 8 boys. What percentage of girls are in the class?
Solve the equation: 1/2-2/8 = 1/10; Write the result as a decimal number.
- Apples 2
James has 13 apples. He has 30 percent more apples than Sam. How many apples has Sam?
Solve the inequation: 5k - (7k - 1)≤ 2/5 . (5-k)-2