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Base 5 arithmetic |
2013-11-27 |
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samuel pose la question :
Good day sir, please i don't understand when you say 4x4=13 in base five? In fact, am always having difficulties in addition, subtraction, division and multiplication of number in the same base other than base ten. Please can you give me one example each with details explainations?
Penny Nom lui répond. |
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2 concentric circles |
2013-11-27 |
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Dimaris pose la question :
The radius of the outer circle of 2 concentric circles is x. An
equilateral triangle inscribed in the outer circle also circumscribes the
inner circle. What is the radius of the inner circle in terms of x?
Penny Nom lui répond. |
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Problem solving |
2013-11-26 |
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Moira pose la question :
Amy has £5 more than Ben. Ben has twice as much as Chris. In total they have £20 how much do they each have
Penny Nom lui répond. |
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Three roommates share the rent |
2013-11-23 |
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Cortlin pose la question :
Because of different bedroom sizes, three roommates decide to split the rent this way:
Roommate A pays 75% as much as B does, and C pays 40% as much as B does.
What fractional part and percent of the rent does each roommate pay?
Penny Nom lui répond. |
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A schedule for 32 golfers |
2013-11-22 |
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Scott pose la question :
I would like a schedule for 32 guys playing in 8 foursomes for 13 week. I would like it so that no one plays in the same foursome more than once or twice. Is this possible to do??? Can you let me know at bogeysm@yahoo.com if you can do it and if you will do it.
Victoria West lui répond. |
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Admiring handblown glass ornaments |
2013-11-21 |
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Ruby pose la question :
We are admiring hand blown glass ornaments 5% are
unmarketable due to defects what is the probability the 3rd
ornament is the first defective one
Penny Nom lui répond. |
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Why can't we add or subtract speed? |
2013-11-21 |
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kashish pose la question :
why we cannot add or subtract "speed" / directly in any given distance , speed , time questions?
Chris Fisher lui répond. |
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Adding mixed numbers |
2013-11-20 |
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Kathy pose la question :
1 3/4 + 1 2/3= ?
5 1/2 - 2 5/6= ?
Penny Nom lui répond. |
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Scheduling 10 people for 5 rounds |
2013-11-20 |
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Keith pose la question :
Using golf as an example, I would like to schedule 10 people for 5 rounds with 2 groups of 4 and 1 twosome each round. I would like to minimze the number of times any one player plays with another. Can you provide an optimal schedule? Thank you for your help.
Victoria West lui répond. |
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The area of an irregular octagon |
2013-11-18 |
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zafar pose la question :
if i have a rectangular octagon then how i can find its area
1. The length of rectangle is 42 and the width is 21 and and the base length is 42-12 =30 i mean the
length of base =30
Penny Nom lui répond. |
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Evaluate log3 14 |
2013-11-17 |
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Tash pose la question :
Use the Change of Base Formula and a calculator to evaluate the logarithm, correct to six decimal places. Use either natural or common logarithms.
log3 14
Penny Nom lui répond. |
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Solve 0=-2(x-5)^2+4 |
2013-11-17 |
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Leila pose la question :
How do you find the solution to 0=-2(x-5)^2+4
Penny Nom lui répond. |
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How many cords of wood is this? |
2013-11-17 |
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melody pose la question :
5.5 ft wide and 24ft long and 10ft wide how many cords of wood is this?
Penny Nom lui répond. |
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Inflection Point |
2013-11-15 |
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Z. pose la question :
I was wondering if the function F(x)= x/ln(x) had an inflection point?
If yes, why it's not visible on the graph of the function?
Thanks.
Penny Nom lui répond. |
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2cos(2A)=-2^1/2 |
2013-11-14 |
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Mary pose la question :
Solve the following trigonometric equation over 0 being less than or equal to A but less than 2pie
2cos(2A)=-2^1/2
Penny Nom lui répond. |
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