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A
Aion
reacted to
Dr.Peterson's post
in the thread
Concrete Definition for a Ratio
with
Like
.
There is some question as to what you mean by "rigorous" and "concrete"; to me, they are somewhat different. It's true that ratios are...
Dec 26, 2025
Dr.Peterson
replied to the thread
Concrete Definition for a Ratio
.
There is some question as to what you mean by "rigorous" and "concrete"; to me, they are somewhat different. It's true that ratios are...
Dec 26, 2025
A
Aion
replied to the thread
Concrete Definition for a Ratio
.
Hi! You’re thinking along the right lines. A ratio is fundamentally a relation between two quantities of the same kind, written A:B...
Dec 26, 2025
K
khansaheb
replied to the thread
Vanishing Math Forums
.
Where are those questions?
Dec 26, 2025
Z
Zexralo8
replied to the thread
Simple Short Question about Probability: lottery consists of 200 tickets and two prizes. 1st prize ticket is drawn and then, w/o replacement,...
.
Yeah, the reason the book (and most people here) say 1/100 for part a) is just because you bought two tickets, so you’ve got 2 chances...
Dec 26, 2025
J
joyfulerst
replied to the thread
Concrete Definition for a Ratio
.
A ratio compares two quantities, showing how many of one there are for each of the other. For example, 3 apples to 5 oranges is a 3 : 5...
Dec 25, 2025
jonah2.0
reacted to
Ted's post
in the thread
multiplication with a constant increase
with
Like
.
This thread is 14 years old.
Dec 24, 2025
M
MasterX
replied to the thread
Could you please review this iOS mathematics app?
.
@Somillow it is in my to do list
Dec 24, 2025
T
Ted
replied to the thread
multiplication with a constant increase
.
This thread is 14 years old.
Dec 24, 2025
V
vikky patel
replied to the thread
Can someone help me calculate what a man month is (for one month I worked 16hrs, how many man months is that and what is the calculation?)
.
A man-month is usually based on 160 working hours (8 hrs × 20 workdays). So if you worked 16 hours: man-months = 16 ÷ 160 = 0.1...
Dec 24, 2025
S
Somillow
replied to the thread
Could you please review this iOS mathematics app?
.
I was also looking for good tools for solving math problems. I tried many different apps, but most of them didn't suit me. I can't say...
Dec 24, 2025
H
hepaul9
replied to the thread
Double-slit Experiment: Use the uncertainty principle to show that...
.
I know it has been 13 years, but the problem is in "Physics for Scientists & Engineers with Modern Physics" by Douglas C. Giancoli (I...
Dec 24, 2025
V
vikky patel
replied to the thread
Basic speed distance time exercises: need strategies for awkward division without calculator
.
To handle awkward divisions in speed/distance/fuel questions without a calculator, use simple ratio tricks instead of trying to divide...
Dec 24, 2025
V
vikky patel
replied to the thread
multiplication with a constant increase
.
You don’t need to add them one by one. The numbers form an arithmetic sequence: 100, 110, 120, … (1000 terms) Sum formula...
Dec 24, 2025
K
khansaheb
replied to the thread
Trig equations
.
response #2 explained why you did not get the "complete" solution as suggested by your book. Did you understand the response#2?
Dec 22, 2025
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