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Ian
Member Since February 8, 2009
About Ian:
Retired chap. Enjoys helping others with maths and physics.
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Recent Activity by Ian
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My Comments (6)
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Answered:
Algebra
1.If b represents a fixed cost, what value would represent b ? b = $300 2. Find the cost equation for the tile. Write your answer in the form C = mx + b. C = 6x + 300 (in dollars) Regards ...
Posted 4 years ago
Answered:
Math help?? Can you help me with these few math ...
I have just noticed that the first posted reply was based on "simple interest" but I think the n in the formula was a power as this is compound interest. Regards - Ian
Posted 4 years ago
Answered:
Math help?? Can you help me with these few math ...
As it says "try these on your own" your teacher is hoping that when exams come you will remember the method by doing a few examples now. I will do the first one so that you get the idea about how ...
Posted 4 years ago
Answered:
Integrated algebra and mathematical hard cover ...
Hi there, if you can write a note to the maths teacher asking for the exact words in the title, the author and best of all the ISBN number then you can order it through your local bookshop or ...
Posted 4 years ago
Answered:
Algebra 2 problem
First, check that you copied the question correctly. You did not post either of these problems :- x^2 + 7x + 10 = 0 = (x + 5)(x + 2) = 0, yielding x = -5 or -2 x^2 - 7x + 10 = 0 = (x - 5)(x - 2) = ...
Posted 4 years ago
Answered:
Scott Foresman-Addison Wesley Mathematics grade 5 ...
Congratulations for not just skipping the page. This shows you are thorough and trying hard. Another option might be to borrow the book from friend/teacher/library and read to see if useful. If ...
Posted 5 years ago
Answered:
Automotive math problem: Before my tune-up, my ...
Slightly different approach, same answer After tuneup 1 mile cost 3/22.5 = 6/45 of a dollar Before tuneup 1 mile cost 3/13.5 = 6/27 = 2/9 = 10/45 of a dollar 1 mile now saves 4/45 of a dollar So ...
Posted 5 years ago
Helpful (1)
Answered:
How can 0.6 be written
This is my way of answering your WHY. As you know, 9 x 10 + 8 more is represented by the number 98. So the position of each digit in a number is important, and tells you whether we are talking ...
Posted 5 years ago
Helpful (1)
Answered:
Prime numbers
None Trick question because even means contains factor of 2 so not prime
Posted 5 years ago
Answered:
7th grade math homework: what is the answer to ...
The sign that is an exclamation mark when used in writing has a completely different meaning in maths. The sign ! in maths is called factorial and it tells you to multiply together all the positive ...
Posted 5 years ago
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Topics of Interest
math
cosmology
algebra
calculus
mathematics
maths
functions
differentiation
integration
polynomials
complex numbers
science & mathematics
quantum physics (basic)
a level maths
pythagorean triples
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OronD
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"Ian You are doing a great job in Yedda. I see many of your math answers and you are always clear and accurate. Best personal regards, OronD. "
MackTheKnife
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"I really like your answers. They are very clear and well thought out. "
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