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blamocur
replied to the thread
Laplace Transforms
.
Limits are in the formal definitions of both definite integrals and derivatives. But more to the point: \int_a^\infty f(x) dx =...
Apr 17, 2024
P
Pillow12
posted the thread
Fill in the gaps
in
Geometry and Trig
.
what should replace the ”?”s? help much appreciated!! I’m totally stuck, can’t find any consisting patterns, tried a lot with 2 & 3’s...
Apr 17, 2024
M
mario99
replied to the thread
Laplace Transforms
.
You're half right. Every differentiation is a limit, but not every limit is a differentiation. When we have an improper integral (a...
Apr 17, 2024
L
logistic_guy
posted the thread
i need to find the domain
in
Arithmetic
.
this is the question Find the domain of f(x) = (x^2 - x - 6) / x - 5. there is no tap to write the square root so i write brackets (x^2...
Apr 17, 2024
L
logistic_guy
posted the thread
i need to find the speed of acceleration
in
Arithmetic
.
this is the question Suppose that a car can accelerate from 30 mph to 50 mph in 4 seconds. Assuming a constant acceleration, find the...
Apr 17, 2024
P
pazzy78
replied to the thread
Laplace Transforms
.
OK im a little rusty on my calculas, isn't the limit of something the same as differentiation ? Whereas this is integration and...
Apr 17, 2024
P
pazzy78
reacted to
BigBeachBanana's post
in the thread
Laplace Transforms
with
Like
.
\lim_{x\to -\infty} e^x = 0 or \lim_{x\to \infty} e^{-x} = 0
Apr 17, 2024
Dr.Peterson
replied to the thread
How many of the mixed sweets do you get for 10N?
.
I didn't explain that in detail, because it involves the mean of a distribution, and I didn't want to take a lot of time to explain...
Apr 16, 2024
Dr.Peterson
replied to the thread
Permutations and Combinations
.
Please explain. A has to go in a forward-facing seat. What are the 2! ways? What 7 ways? Don't you mean 7! ways? I don't understand...
Apr 16, 2024
F
fresh_42
replied to the thread
problem solving
.
We call a positive integer n peculiar if, for any positive divisor d of n , the integer d(d + 1) divides n(n + 1). Lemma: If n...
Apr 16, 2024
C
chijioke
reacted to
The Highlander's post
in the thread
How many of the mixed sweets do you get for 10N?
with
Like
.
There is something very odd going on here. 🤔 Is it a rogue seller or just a very poorly thought up question? The logic is impeccable to...
Apr 16, 2024
S
Stardust1
replied to the thread
Permutations and Combinations
.
There are 2 ways to place person A - 2!. Then there would be 7 ways to place the other 7 people - 7!. So would it be 2! x 7! then?
Apr 16, 2024
C
chijioke
replied to the thread
How many of the mixed sweets do you get for 10N?
.
I understand everything you wrote until I came to this part below How did you arrive at this average? I thought you obtained this...
Apr 16, 2024
O
oksanaki
replied to the thread
How do I know if my post was not approved by the moderators??
.
When a post requires moderator approval, it means that the forum's moderators need to review and approve the post before it becomes...
Apr 16, 2024
Dr.Peterson
replied to the thread
Permutations and Combinations
.
Correct; we are permuting 8 items. You didn't say before that you thought you were wrong because you were given a supposedly correct...
Apr 16, 2024
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