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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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Answered:
What is the fraction for 4 2/3?
You multiply the 4 by 3 and add 2 to get the numerator. The result is 14/3 Could you do another one of these now ? Regards - Ian
Posted 4 years ago
Answered:
How do binary numbers make sense?
There is a friendly, easy to follow introduction here. http://www.helpwithpcs.com/courses/binary-numbers.htm BINARY TO DECIMAL Example: to convert the 8 bit value 10011101 into a decimal value ...
Posted 4 years ago
Answered:
What is the "God particle" as it relates to ...
If you can listen to and understand this 6 minute video you will have some sort of answer. http://www.youtube.com/watch?v=1_HrQVhgbeo This is no threat to religious beliefs. It is nothing to do ...
Posted 4 years ago
Helpful (2)
3 Comments
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by
Southern 7162
4 years ago
Answered:
How much is too much studying?
The following is obvious advice, but is often ignored. It may sound strict, but it just amounts to taking a mature approach to studies and making a serious effort. Half-hearted efforts often lead to ...
Posted 4 years ago
Answered:
How would you solve the system of equations using ...
Example of matrix solution of 3 simultaneous equations (Arrange your own equations to this form) 3x + 4y - 2z = 4 2x -y + 5z = 18 -3x + 4y + z = 1 The matrix expression of these is | 3 4 -2| ...
Posted 5 years ago
Helpful (1)
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Last Comment
by
hinderedangel_1
5 years ago
Answered:
Math Help
The idea is that if you replace the inequality sign with an equals sign you find the edge of the region. First example: You should now get 2 lines. y = -x +3 This is a line with slope -1 that ...
Posted 5 years ago
Answered:
Physics question 3
Horizontal velocity component constant, (as it is perpendicular to the earth's gravitational field). Time t = distance/speed = 6.4/1.8 = 32/9 = 3 and 5/9 secs Without air resistance distance S of ...
Posted 5 years ago
Answered:
Last physics problem
Exactly the same idea as that aeroplane and bomb question, so see method given in that answer. Probe starts with zero vertical component of speed, so answer does not depend on the original speed of ...
Posted 5 years ago
Answered:
Physics question 2
a) Let the equal horizontal and vertical components of required speed be u Required speed will then be u*sqrt(2) Zero velocity at top of parabola after time t = u/g Total flight takes twice this ...
Posted 5 years ago
Answered:
Physics question.
a) Air resistance not given so, for this school level example, assume this is meant to be ignored. S = (1/2) gt^2 with S = 1000 g = 9.8 (approx) t = sqrt(2S/g) ~ sqrt(2000/9.8) = 10sqrt(200/98) t ...
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
maximum and minimum
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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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