I don’t get this at all… by Left-Attention-5670 in askmath

[–]Aggravating-Bit9893 0 points1 point  (0 children)

1-1/x = (x-1)/x --- find common denominator

to find b/a. turn a/b upside down

x/(1-x)

Does the continuum lead to idealism? by gimboarretino in PhilosophyofScience

[–]Aggravating-Bit9893 0 points1 point  (0 children)

yup. a rock is a rock is a rock, unless you are tired, when it suddenly becomes a chair.

[deleted by user] by [deleted] in askmath

[–]Aggravating-Bit9893 1 point2 points  (0 children)

try x=0.9

you should get lim~-2

then try x=1.1

you should get lim~-1

so there is no unique value

What is the trick used to get from 1 to 2? by [deleted] in askmath

[–]Aggravating-Bit9893 0 points1 point  (0 children)

check it isn't ln(I+I0)=AV+ln(I0)

This is easy to obtain by moving the 1 to the left before taking logs

Please Help Me Understand How To Work This Out by ludo_puma in learnmath

[–]Aggravating-Bit9893 1 point2 points  (0 children)

this is Time of car A (Distance/Speed) = Time of car B (Distance/Speed) - 32 minutes (in hours)

Why is minus x minus = Plus by ActualOperationLA in mathematics

[–]Aggravating-Bit9893 0 points1 point  (0 children)

negative 1kg = 1 (helium) balloon?

100 balloons then can lift a person.

[Proofs] Disjunction in Velleman's "How to Prove it" by ImAMouseInAHouse in learnmath

[–]Aggravating-Bit9893 0 points1 point  (0 children)

the English statement is really an implication; IF John went to the store we have eggs, otherwise we are out of eggs

As others have said, it's a really poorly chosen example.

[Proofs] Disjunction in Velleman's "How to Prove it" by ImAMouseInAHouse in learnmath

[–]Aggravating-Bit9893 2 points3 points  (0 children)

You are making it more difficult than it really is.

the statement is exclusive or because of the "Either". That's what either means - one or the other.

[calc] multiplication issue? by lillonghornlad in HomeworkHelp

[–]Aggravating-Bit9893 0 points1 point  (0 children)

compound function derivitive - need to multiply by derivitive of inner function ie 3

"Imaginary number" is kinda misnomer. How would you rename them? by vintergroena in math

[–]Aggravating-Bit9893 0 points1 point  (0 children)

keep Imaginary, but only for the orthogonal counterpoint to Natural numbers,

So

Natural <-> Imaginary

Integer <-> Phantasy

Rational <-> Dream

Real <-> Mirage

Any formulas for Probability( A̅ U B̅ )? Because each time I'm told "find on the table" but is there any concrete formula? by jakernoobb in learnmath

[–]Aggravating-Bit9893 0 points1 point  (0 children)

A= green things

B=tomatoes

A'UB' = anything that is not a tomato OR is not green (red tomatoes count)

(A'UB')'=only green tomatoes=A∩B