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Dr.Peterson
replied to the thread
Isolating a variable
.
Okay, so we did need to back up to the original problem, as I initially suggested. Good. It happens that I have written a page that...
Feb 20, 2026
T
texasaggie0004
replied to the thread
Isolating a variable
.
Let me try to re-word the question, please see attached image. I know the radius of a circle. I also know how much of the area of the...
Feb 20, 2026
K
kurksai
replied to the thread
Function notation
.
Spot on. The inconsistency with trigonometric functions is probably the most confusing part of this notation. It gets even worse when...
Feb 20, 2026
T
texasaggie0004
replied to the thread
Isolating a variable
.
Obviously I don't understand that will not happen which is probably why I'm asking on this forum that calls itself "free math help"...
Feb 20, 2026
Dr.Peterson
replied to the thread
Isolating a variable
.
Do you understand that that will not happen? Wolfram Alpha gives three solutions...
Feb 20, 2026
T
texasaggie0004
replied to the thread
Isolating a variable
.
Thanks for the responses. I don't know proper terminology but yes, I was hoping for an expression that has a single "X" on the "X" side...
Feb 20, 2026
M
Maths Pro
replied to the thread
Why am I getting different incentres for the same triangle?
.
"Barycentric coordinates are a way to describe the position of a point relative to the vertices of a triangle (or more generally, a...
Feb 20, 2026
M
Maths Pro
replied to the thread
Why am I getting different incentres for the same triangle?
.
I was going through barycentric coordinates on chat gpt. It considers ratio of (area of sub-triangles opposite to an angle of triangle)...
Feb 20, 2026
Z
Zongear
replied to the thread
Perpendicular from point to line
.
Thank you for your help
Feb 20, 2026
Dr.Peterson
replied to the thread
Logic Puzzle - Good Eats (Difficulty-Hard)
.
What have you tried? We don't give answers here; we give help. So we need to see where you need help.
Feb 19, 2026
Dr.Peterson
replied to the thread
Isolating a variable
.
I think you want to solve for x in terms of y. Am I right? But given a pair of equations in two variables, typically you will solve for...
Feb 19, 2026
Dr.Peterson
replied to the thread
Perpendicular from point to line
.
Your work is excellent. It does exactly what was asked for, and very efficiently, by reflecting P across the line. It's possible that...
Feb 19, 2026
A
A19327
posted the thread
Logic Puzzle - Good Eats (Difficulty-Hard)
in
Intermediate/Advanced Algebra
.
The seniors at Dellham Bay High were trying to raise money to help pay for their spring break class trip this tear and decided to...
Feb 19, 2026
K
khansaheb
replied to the thread
Isolating a variable
.
I'm trying to isolate "x" in terms of "y" from the following: y=x*arcsin(x/4) In the equation above x and y are already isolated. May...
Feb 19, 2026
Z
Zongear
replied to the thread
Perpendicular from point to line
.
Here is the solution that I think seems valid, and the associated mark scheme.
Feb 19, 2026
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