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How do start from 2700 and get 35% back out? |
2002-09-09 |
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Dennis pose la question : 2000 x 0.35 = 700 + 2000 = 2700 How do start from 2700 and get 35% back out? If I have 2700, how do I figure out that 35% of 2000 is 700 and adding the two them together will get me 2700? Penny Nom lui répond. |
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A linear function |
2002-09-09 |
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Chad pose la question : If y = 9x - 13 does it represent a linear function? And if it does what is its slope and is it a direct variation? Peny Nom lui répond. |
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The community garden |
2002-09-08 |
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Michele pose la question : Bryce, Duanne, Juliana and Sonya share a 40ft by 48 ft rectangular portion of the community garden in the neighborhood. With this space each has their own rectangular garden plot. -Bryce is the only one with a square plot. its are is 1/2 the area of Duanne's -The area of Bryce's plot is 2/3 the area of Julianna's plot. Their plots have one side in common. -Sonya's garden has an area twice that of Julianna's garden. What are the dimensions of each person's garden plot? Leeanne Boehm lui répond. |
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Algebra |
2002-09-08 |
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Heather pose la question : This question is from an 8th grade Algebra classs. I am a parent asking for help to explain to my child. Q: d=25t2. Leeanne Boehm lui répond. |
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Mean, median and mode |
2002-09-08 |
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Ramona pose la question :
- How do you calculate the mean, median, and mode?
- what are each of their definitions?
Leeanne Boehm lui répond. |
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Weighing pumpkins |
2002-09-08 |
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Jennifer pose la question : Suppose five pumpkins are weighed two at a time in all possible ways. The weights in pounds are recorded as 16, 18, 19, 20, 21, 22, 23, 24, 26, and 27. How much does each individual pumpkin weigh. NO FRACTIONS! Penny Nom lui répond. |
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The area of a triangle |
2002-09-07 |
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Phill pose la question : How do you find the area of a equilateral and other triangles? Penny Nom lui répond. |
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Sanding a wooden block |
2002-09-07 |
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Wanda pose la question : If a wooden block, 2in height, 3in width, and 6in length is sanded and 1/8 of an inch is removed from the top and from the bottom, how much is the volume of the block decreased? Penny Nom lui répond. |
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Subsets of the Real Number System |
2002-09-07 |
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Christine pose la question : In looking for a French equivalent of the word "integer", I found that the word seems not to actually exist in French, and that Canadian schools use the term "natural number" to describe what we have been trained to call "whole numbers," while using the term "whole number" to describe what we have been trained to call "integers." Claude Tardif lui répond. |
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Social security numbers |
2002-09-06 |
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Chris pose la question : How many different number combinations are there for the social security system? We know that there are only a certain ammount of combinations available and the current US population is at 281 million. The number system should include as many nine digit combinations as possible using the numbers 0-9 in multiple different spots. Penny Nom lui répond. |
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I am a 3 digit number. |
2002-09-06 |
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Jasmine pose la question : I am a 3 digit number. My last digit is 3 times my first digit. My firat digit is twice my middle digit. What numbers am I? There are at least 2 correct answers? Paul Betts lui répond. |
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8,27,64 . . . |
2002-09-05 |
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Mike pose la question : We have been trying with no luck all night to complete the following math pattern (next 3 entries) 8,27,64 . . . Any ideas?? Penny Nom lui répond. |
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What really is pi? |
2002-09-05 |
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Rachel pose la question : what really is pi? 3.1444 Penny Nom lui répond. |
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Dan is 4 inches taller than Mike. |
2002-09-04 |
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A parent pose la question : Dan is 4 inches taller than Mike. Together they are 8 feet 8 inches tall. How tall is each boy in feet and inches. Penny Nom lui répond. |
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1/8 in decimal form |
2002-09-04 |
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A student pose la question : explain how you put 1/8 in a decimal form Penny Nom lui répond. |
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