A ream of paper containing 500 sheets is 5cm thick. Approximately how many sheets of this type of paper would there be in a stack 0.1cm high?
Answer: sheets.
A certain number of fifty-cent coins is to from an equilateral triangle. The same number of fifty-cent coins can also be used to from a square. The number of fiftty-cent coins on each side of the square is 6 fewer than the number of fifty-cent coins on each side of the equilateral traingle. How many fifty-cent coins are there altogether?
1,A circular cynlinder with a volume 81 pi.if the perimeter of the base is 6 pi,the height is ?
2,The total surface area of 2 indentical blocks which together with the volume is 1,458 units is ?
3,If one side of 6-inch ruler will be marked in inches,how many points will be in the edge including 0 and 6 inch mark?
4,Two sides of the O and P pointer that started from a vertical position as shown.Pointer O turns back the clock with a speed of 5 degrees per second and pointer P rotate clockwise at9 degrees per second.How many complete revolutions will be made when completing 335 P O complete revolution?
5,In a certain game of 50 questions,the final score calculated by subtracting tiwce the number of wrong answer from the total number of correct answers.if a player has tried all questions and get a final score of 35 ,the number of wrong answers,he has to be ...
School roof of whether they have faded but still uncertain, including two suites and three rooms for administrative areas. In my class very clean and tidy because we are very conscious of hygiene and clean.
The school's students are learning there are many shade trees and benches in the school yard, I love my school and I come to school every day.
The teacher told us to always obey the rules of the school, and we do not write graffiti on the desk to keep you clean and beautiful school.
I really like going to school because each met many friends, to meet teachers. This school is the place lit dream for me, I would later dream of becoming a teacher to teach at this school.
Fill in the circles with the numbers 1, 2, 3, 4, 5, 6 and 7. Each number can be used once without repetitions. The sum of the digits inside the circles at the four vertices of the square on the left is 15 and the sum of the digits inside the circles at the vertices of the regular pentagon on the right is 24. How many possible arrangements are there?
an appliance shop orders 24 boxes of small electric fans ( where all boxes contain the same number of small fans) and 25 boxes of bigger electric fans ( where all boxes also contain the same number of bì fans). The total number of fans ordered is 1200. How many fans are there in each box that contains small fans
n lines are drawn on a piece of paper to divide it into 172 regions. Find the smallest possible value of n
An ant is clinging to one corner of a box in the shape of a cube. The ant wants to get to the most distant corner of the box by crawling only along the edges of the cube and without ever revisiting a place it has been. How many different paths can the ant take to the most distant corner?
we have 1234 is a four-digit number that the product of it is 24.how many 4-digit number that the product of it is 24?