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Today,
12:41 PM
dukjos21
started a thread
Distance and Midpoint help
in
Geometry and Trig
I do not know if this would be in geometry but I thought I would post it here. I really need help with this work worksheet because If I don't get it...
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0 replies | 6 view(s)
Today,
12:40 PM
Bubblelover98
started a thread
Which stat test to use?
in
Probability / Statistics
Hiii, I need a response ASAP as my coursework is due on Monday. I’m comparing the effects of 2 different drugs (eye dilation drugs) on pupil...
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0 replies | 2 view(s)
Today,
12:02 PM
Romsek
replied to a thread
3 rebuses
in
Math Odds & Ends
that was all Otis
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12 replies | 404 view(s)
Today,
10:42 AM
JeffM
replied to a thread
What is the assumed base when applying logs to both sides?
in
Intermediate/Advanced Algebra
This is a very good question. Many decades ago, when logarithms were still heavily used for accurate computation, it was a very general convention...
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3 replies | 49 view(s)
Today,
10:39 AM
Denis
replied to a thread
3 rebuses
in
Math Odds & Ends
https://www.youtube.com/watch?v=EDw4LdKFVxQ Very funny Romsek!! Thanks Otis.... late = 90% , never = 60% (4)
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12 replies | 404 view(s)
Today,
10:29 AM
Flax
replied to a thread
Help with finding the length of a cosine wave
in
Intermediate/Advanced Algebra
Thank you for your response, I will be honest and say a lot of that went over my head upon first read, so I will spend a bit of time breaking each...
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2 replies | 39 view(s)
Today,
09:56 AM
Dr.Peterson
replied to a thread
What is the assumed base when applying logs to both sides?
in
Intermediate/Advanced Algebra
You can choose what base to use; base 5 is convenient for some purposes, 10 or e for others.
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3 replies | 49 view(s)
Today,
09:55 AM
Dr.Peterson
replied to a thread
Vectors
in
Intermediate/Advanced Algebra
Your QM is clearly wrong, as it must depend on t. Try that again.
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1 replies | 34 view(s)
Today,
09:05 AM
HallsofIvy
replied to a thread
Help with finding the length of a cosine wave
in
Intermediate/Advanced Algebra
I don't know how you got a "cosine" again in the integral. The integral \int cos(ax)dx is \frac{1}{a}sin(ax). However, the arclength of y= f(x)...
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2 replies | 39 view(s)
Today,
08:25 AM
Subhotosh Khan
replied to a thread
What is the assumed base when applying logs to both sides?
in
Intermediate/Advanced Algebra
The base can be any real number as long as you use same base on both sides. When the bases are not "explicitly" defined, the assumption is that...
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3 replies | 49 view(s)
Today,
07:13 AM
sojeee
started a thread
Vectors
in
Intermediate/Advanced Algebra
Points A and B have position vectors a and b. O is the origin and point P is such that OAPB is a parallelogram. a) Write down the position vector...
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1 replies | 34 view(s)
Today,
03:04 AM
vaderboi
started a thread
What is the assumed base when applying logs to both sides?
in
Intermediate/Advanced Algebra
say: x < 5y and I wanted to apply log to both sides: log x < log 5y What would the base be for each logarithm? Can we assume it is 10?...
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3 replies | 49 view(s)
Today,
12:33 AM
Flax
started a thread
Help with finding the length of a cosine wave
in
Intermediate/Advanced Algebra
Hello, I am new to this forum and I apologise if I have placed this question in the wrong place and will move it if needed. I have a formula that...
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2 replies | 39 view(s)
Today,
12:20 AM
Otis
replied to a thread
3 rebuses
in
Math Odds & Ends
You might try this. Not sure if Romsek tried without the hint, but my view differs. I think it's a dandy. :cool:
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12 replies | 404 view(s)
Yesterday,
10:45 PM
Dr.Peterson
replied to a thread
Total Mechanical Energy
in
Intermediate/Advanced Algebra
I don't claim to know anything about this, but it seems to me that the air is at sea level and is staying at sea level, so z=0. At least nothing...
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1 replies | 127 view(s)
Yesterday,
09:13 PM
Denis
replied to a thread
3 rebuses
in
Math Odds & Ends
Yep...same as Otis' answer... meh = ?
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12 replies | 404 view(s)
Yesterday,
06:39 PM
Romsek
replied to a thread
3 rebuses
in
Math Odds & Ends
**before and after** meh
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12 replies | 404 view(s)
Yesterday,
05:59 PM
Dr.Peterson
replied to a thread
Help me to prove this Trigonometric problem
in
Geometry and Trig
How to do it depends on what identities you know (and are allowed to use). If you happen to have these available, it will take very little work: ...
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2 replies | 126 view(s)
Yesterday,
04:40 PM
prdk21
started a thread
Total Mechanical Energy
in
Intermediate/Advanced Algebra
Hi! So I am working through a problem for my meteorology class titled as "dynamic meteorology". I am asked to solve the total mechanical energy of...
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1 replies | 127 view(s)
Yesterday,
04:09 PM
tkhunny
replied to a thread
Prove
in
Calculus
In today's age, one could simply add them all up. 0.307... < 0.375 Perhaps regroup? 1/2 - 1/12 - 1/30 - 1/56 - ... etc. Will those terms be...
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1 replies | 122 view(s)
Yesterday,
03:58 PM
Denis
replied to a thread
Could anybody Help me with this simultaneous equation please
in
Intermediate/Advanced Algebra
...but there is :) 1st step, divide by 2: x^2 - x + 2y = 6 2nd step, isolate y: y = (6 + x - x^2) / 2 Substitute in (Eq 1) You'll find...
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2 replies | 144 view(s)
Yesterday,
03:52 PM
tkhunny
replied to a thread
Help me to prove this Trigonometric problem
in
Geometry and Trig
What have you tried? First thing that came to my mind: 3 = 1+2 and 5 = 1+4
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2 replies | 126 view(s)
Yesterday,
03:03 PM
Dr.Peterson
replied to a thread
Could anybody Help me with this simultaneous equation please
in
Intermediate/Advanced Algebra
Since they said to eliminate y^2, I would do that, which is just what you did. (Or you could subtract the equations to eliminate x^2.) Now what? ...
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2 replies | 144 view(s)
Yesterday,
02:44 PM
Barry247
started a thread
Could anybody Help me with this simultaneous equation please
in
Intermediate/Advanced Algebra
Many thanks to those who helped me solve my last problem, I would appreciate any suggestions on this last question. I have listed the steps below...
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2 replies | 144 view(s)
Yesterday,
02:05 PM
redunken
started a thread
Prove
in
Calculus
Prove that...(pic)
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1 replies | 122 view(s)
Yesterday,
01:58 PM
shoaib_099
started a thread
Help me to prove this Trigonometric problem
in
Geometry and Trig
prove the identity cosx-2cos3x+cos5x=2sinx(sin2x-sin4x)
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2 replies | 126 view(s)
Yesterday,
01:49 PM
apple2357
replied to a thread
Parametric to Cartesian
in
Intermediate/Advanced Algebra
Thanks both, thats clear!
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3 replies | 139 view(s)
Yesterday,
01:40 PM
pka
replied to a thread
Parametric to Cartesian
in
Intermediate/Advanced Algebra
You can see the graphs; GRAPH I GRAPH II Do they match?
see more
3 replies | 139 view(s)
Yesterday,
01:20 PM
pka
replied to a thread
How many combinations of sets of 6?
in
Arithmetic
At least you could be honest: you came here for the answer and not really help. \dbinom{11}{6}=462 ways to pick six from eleven. SEE HERE.
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8 replies | 370 view(s)
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