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Functions |
2012-09-18 |
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From nayeem: I tried with many functions but I am not getting the exact values please help me
A give an example of a function whose domain equals the set of real numbers and whose range equals the set the set {-1,0,1}?
B Give an example of a function whose domain equals (0,1)and whose range equals [0,1]
C.Give n example of a function whose is the set of positive integers and whose range is the set of positive even integers
D. Give an example of a function whose domain is the set of positive even integers and whose range is the set of positive odd integers
E give an example of function whose domain is the set of integers and whose range is the set of positive integers.
F. Give an example of function whose domain is the set of positive integers and whose range is the set of integers.
please show me the work
Please give me the trick of finding such functions Answered by Robert Dawson and Harley Weston. |
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Functions |
2012-09-18 |
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From nayeem: I tried with many functions but I am not getting the exact values please help me
A give an example of a function whose domain equals the set of real numbers and whose range equals the set the set {-1,0,1}?
B Give an example of a function whose domain equals (0,1)and whose range equals [0,1]
C.Give n example of a function whose is the set of positive integers and whose range is the set of positive even integers
D. Give an example of a function whose domain is the set of positive even integers and whose range is the set of positive odd integers
E give an example of function whose domain is the set of integers and whose range is the set of positive integers.
F. Give an example of function whose domain is the set of positive integers and whose range is the set of integers.
please show me the work
Please give me the trick of finding such functions Answered by Robert Dawson and Harley Weston. |
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Equivalent sets |
2012-09-13 |
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From asif: show that (-1,1)~(1,1) or give its counter example Answered by Harley Weston. |
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Equivalent fractions |
2012-09-13 |
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From lily: if i had 1/3 and i had to find the problem an they gave me 20 what will be the denominator Answered by Penny Nom. |
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Cones, pyramids, cylinders and prisms |
2012-09-13 |
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From Roy: I read on this page that a pyramid is a special kind of cone, but a cone is not a pyramid. Does this apply to cylinders. Is a prism a special kind of cylinder, but a cylinder is not a prism? Answered by Robert Dawson. |
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The dimensions of a rectangle |
2012-09-12 |
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From Becky: A rectangle has an area of 48 square inches and perimeter of 32 inches. Find the dimensions of the rectangle. Answered by Penny Nom. |
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An equilateral triangle and a regular hexagon in a circle |
2012-09-11 |
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From Heidemarie: The vertices of an equilateral triangle with side length of 10 sqrt 3 cm lie on a circle. Find the side length of the regular hexagon whose vertices lie on the same circle. Answered by Penny Nom. |
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The units digit |
2012-09-11 |
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From Shaunice: Simplify each of the following expressions and determine what the last
digit would be.
a. (24^15) 4 Answered by Penny Nom. |
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Six digit numbers |
2012-09-11 |
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From Fiona: using the numerals 0, 2, 3, 5, 7, 9, make as many six-digit numbers as you can. Rearrange them into ascending order Answered by Robert Dawson. |
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Factoring |
2012-09-10 |
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From saravanan: Dear Sir ,
I felt difficulty solving the following problem . So please help me .
a+b+c=7
ab+bc+cd= 20
what is a^2+b^2+c^2 ? Answered by Lorraine Dame and Robert Dawson. |
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Golf for 12 |
2012-09-10 |
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From John: To have 12 players in groups of 4 playing in 4 games with different people each day Answered by Victoria West. |
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Adding more than 2 fractions |
2012-09-10 |
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From Anonymous: How do you add or subtract more than 2 integer fractions?
OK, here is an example.
-5/6 + 7/4 + 13/8
Please tell me the steps.
Thanks- grade 9 student Answered by Robert Dawson and Penny Nom. |
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The height of a building |
2012-09-08 |
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From Lin: How do surveyors determine a height of a building 150 feet away with an observation angle at 40 degrees?
What is the elevation of that top floor? Answered by Penny Nom. |
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A profit of 35% |
2012-09-07 |
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From Jack: If a product cost me $10.00 and I want a profit of 35% what is my sell price? How do I figure the sale price to make a 35% profit on the sale? Answered by Penny Nom. |
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The volume of fluid in a tank |
2012-09-06 |
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From Dave: I have vertical round flat bottom tanks of various dimensions. It is easy to find total volume but I would like to know how to figure out the coversion factor to go from how many centimeters of liquid is in the tank to the number of total cubic meters of volume. So if my float gauge on the tank says there is 50 cm of fluid in the tank, how many cubic meter of total volume is there? Answered by Harley Weston. |
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