Questions LLC
Login
or
Sign Up
Ask a New Question
Sean
Questions and answers by visitors named
Sean
Questions (339)
Refer to the passage from Benedict de Spinoza's On the Improvement of the Understanding, translated by R.H.M. Elwes. The last
4 answers
1,627 views
A mass of 0.55 kg attached to a vertical spring stretches the spring 36 cm from its original equilibrium position.
The
4 answers
11,602 views
A cord passes over a weightless and frictionless pulley. Masses of 200 g and 300 g are attached to the ends of the cord. Find
5 answers
2,713 views
I AM back in Bracciano, a castellated town about 13 miles north of Rome, after a year in New Jersey. I find the Italian
4 answers
593 views
Cars arrive at a toll booth according to a Poisson process with mean 80 cars per hour.
How long can the attendant's phone call
7 answers
5,180 views
A bag contains six marbles, of which four are red and two are blue. Suppose two marbles are chosen at random and X represents
5 answers
4,756 views
2. A pool has an area A = 50 m2 and depth h = 2.5 m. The pool is filled with water to the maximum height. An electrical pump is
5 answers
4,525 views
The area of a triangle is 600 square feet. Find the altitude, in feet, of the triangle if the length of the corresponding base
5 answers
1,671 views
Select Yes or No to state whether each data set is likely to be normally distributed.
Please help! the number of coupons used at
4 answers
3,752 views
Hi!
i need some help with this ASAP! a body is projected upwards from a point on level ground with a velocity of 45 m/s at an
1 answer
451 views
a shell is fired with a velocity of 75 m/s at an angle of 55 degrees to the horizontal. calculate the
* horizontal and vertical
1 answer
432 views
a ball is thrown at 15m/s at an angle of 30 degrees to the horizontal , how far does it travel horizontally before making
1 answer
429 views
a shell is fired with a velocity of 75 m/s at an angle of 55 degrees to the horizontal. calculate the
* horizontal and vertical
1 answer
466 views
Jim can fill a pool carrying bucks of water in 30 minutes. Sue can do the same job in 45 minutes. Tony can do the same job in 1
2 answers
547 views
a lunar landing module is descending to the moon's surface at a steady velocity of 10 m/s. At a height of 120m, a small object
3 answers
2,912 views
Why does sodium chloride not conduct electricity as a solid but when melted, does conduct electricity?
Thanks Solid NaCl consists
1 answer
914 views
integral of tan^5(2x)sec^3/2(2x)dx
Y^11/11 - 2/7Y^7 + 1/3Y^3 where: Y = (1 + u^2)^(1/4) and: u = tan(2x)
1 answer
426 views
"Lactose is made up of 1 mol glucose & 1 mol galactose with a glycosidic c-1 to c-4 linkage..."
Please explain to me what a
1 answer
477 views
tocainide – a drug that has been used to restore a regular heartbeat in patients with arrhythmia.
.............................
1 answer
517 views
After helping me to understand this, could you please tell me the specific names for these functional groups:
AMINE: NH2 AMIDE:
1 answer
914 views
What are different kinds of congruents?
There are hundreds of types of congruence. You would need to be more specific. Some
1 answer
1,173 views
In what ways has learning about the environment changed the way you feel about living more sustainably? What information in this
1 answer
652 views
x^2+x-k
find all positive values for k, if it can be factored Allowed values of k for for the expression to be factorable with
1 answer
540 views
I am supposed to do an essay on compartmentalization of cell respriation but i don't know what it means. my essay is as follows:
3 answers
1,203 views
Why does cell respiration have three steps that occur in three different places?
1 answer
350 views
What are the 5 characteristics of all living things? What do all living things need?
2 answers
596 views
What is a first person point of view?
1 answer
391 views
Find g(f(x))
Where f(x)=2x^2-1
1 answer
254 views
Find g(f(x)) and f(2g(x))
where f(x)=2x^2-1 and g(x)= the absolute value of x-1
1 answer
237 views
The distance between two telephone poles is 50.0 m.
When a 1.00-kg bird lands on the telephone wire midway between the poles, the
4 answers
1,304 views
y = *The Integral Of sin(4e^t)dt*
a = 0 b = ln(2x) I'm supposed to find the derivative of y with respect to x. Except I just
1 answer
380 views
Find the exact solutions to each equation for the interval [0,360)
2cosx-secx = 1
3 answers
1,432 views
X Y
-2 5 -1 10 0 15 1 20 2 25 Write an equation that explains the relationship between the average X and average Y.
1 answer
293 views
Derivative of Inverse Trigonometric Functions
f(x) = sin(arccos(4x)) What is f'(x)?
4 answers
998 views
Derivative of Inverse Trigonometric Functions
f(x) = cos(arcsin(2x)) What is f'(x)?
5 answers
848 views
how do i calculate theoretical yield?
1 answer
335 views
hwo do i calculate theoretical yield?
3 answers
470 views
What is the total moles of ions in 500 mL of 0.120 M Ca(NO3)2?
how would i calculate this? thanks.
3 answers
363 views
(24cos(8x))/(1+(sin^2(8x)))
Integrated from (pi/16,-pi/16
3 answers
375 views
How would I integrate
(4dt)/(sqrt(15-2t-t^2)) That thing has me stumped.
1 answer
296 views
How would I find the Integral of
3dx/(10x^2-20x+20) I've been stuck on this, and would like an answer ASAP.
6 answers
549 views
How would I integrate
(4dt)/(sqrt(15-2t-t^2)) That thing has me stumped.
1 answer
309 views
My Calculus class just started Partial Fractions, and I understand MOST of it.
I'm having a slight problem though, when either C,
6 answers
595 views
I think- and this is just out loud- that you would do (Cx + D) Over the X^2 + 2?
Am I getting that right? OR You have Cx + D over
1 answer
249 views
What is the indefinite integral of:
(12sin(3x)cscx)dx If I could have two things given to me please, I'd be grateful. The two
3 answers
709 views
What is the integral of arctan x?
3 answers
383 views
A basketball is thrown horizontally with an initial speed of 4.20 m/s. A straight line drawn from the point to the landing point
4 answers
4,311 views
On a hot summer day, a young girl swings on a rope above the local swimming hole. When she lets go of the rope her initial
5 answers
4,455 views
What is the integral of
7e^(7t) Divided By e^14t+13e^7t+36 Using partial fractions
5 answers
501 views
How would you find the
Integral of (cos(x\8))^3, defined from -(4 x pi)/3) to (4 x pi)/3)
7 answers
370 views
I know I've probably flooded the site or something (Sorry if I have), it's just that these problems aren't similar to anything
3 answers
538 views
Integral of (dt/[sqrt(t)+25tsqrt(t)]}
From 1/75 to 3/25 I'm at a complete loss at what to do.
1 answer
280 views
I'm supposed to find the expression 'y', when
(x^2+100)y'=23 When y(10sqrt(3))=0 Also, I have to find the indefite integral of
3 answers
502 views
Here's my first question: (FIrst part courtesy of Count Iblis)
Integral of x sqrt(19x-7)dx ? Write the integral in terms of
4 answers
450 views
Evaluate the limit as x -> Infinity
[5x-sqrt(25x^2+4x)] Direct substitution yields the indeterminate form Infinity - Infinity.
7 answers
1,029 views
Can someone provides me a fews website on this topic: Discuss the transformation from agriculture to industrial of United States
1 answer
435 views
what conclusion can be drawn about the puritan population based on the description of the crowd gathered at the prison?
1 answer
484 views
what was hester's crime and punishment?
2 answers
488 views
what is the effect of the "dame of fifty" being the first to introduce hester to the readers?
1 answer
455 views
I came across this problem in my homework, and I was wondering if partial fractions would be rational for this problem.
Int
3 answers
1,209 views
I am taking an AP class for the first time. How does this differ from regular classes and what should I expect. (11th grade)
6 answers
608 views
What questions should I ask Andrew Jackson if I were to interview him about his presidency?
6 answers
1,220 views
300 exercise books are arranged into 3 piles. The first pile has 10 more books than the second pile.
The number of books in the
3 answers
352 views
PLEASE HELP.I am sorry. I posted the question wrong earlier this evening.
Instead of 300 it should have read: 3000 exercise books
3 answers
348 views
drwl,thanks so much for your help. You are right I do not understand the method that you used. I was trying to do it the way you
1 answer
331 views
Given the axioms:
ln x = definite integral from 1 to x of 1/t dt ln e = 1 Given the theorems: ln a^r = r * ln a (for all real
4 answers
654 views
Limit as n approaches infinity:
[(n + 3)/(n + 1)]^n How do I even start this?
3 answers
301 views
Limit as x approaches infinity of
(2^n + 3^n)^(1/n)
4 answers
377 views
If there is a recursively defined sequence such that
a<sub>1</sub> = sqrt(2) a<sub>n + 1</sub> = sqrt(2 + a<sub>n</sub>) Show
7 answers
2,401 views
Where does this infinite series converge:
Sigma (k = 1 to infinity): 1/(9k^2 + 3k - 2)
7 answers
3,431 views
Convert this series to closed form:
Sn = ln(1 - 1/4) + ln(1 - 1/9) + ln(1 - 1/16) + ... + ln(1 - 1/(n + 1)^2)
4 answers
589 views
Starting with S = k<sub>B</sub> * ln W
Derive S = (U(T) - U(0)) / T + N * k<sub>B</sub> * ln q(T)
1 answer
288 views
When a sample is above critical temperature and above critical pressure, it is a supercritical fluid.
What happens when a sample
2 answers
925 views
In my physical chemistry book, I'm reading about "Margules Equations":
ln γ<sub>A</sub> = Βx<sub>B</sub><sup>2</sup> ln
1 answer
486 views
What does the following infinite series starting at k=2 converge to: Σ ln (1 - 1/k^2)
In other words, what does this converge
4 answers
548 views
Which of the following is a Lewis acid?
(For polyatomic species, consider the Lewis acid behaviour of the central atom). a. ) NH3
4 answers
1,270 views
The reaction between 0.045 g of calcium with an excess of water was carried out in an ice calorimeter as used in this lab. The
2 answers
747 views
How can I prove that sqrt(x) > ln x when x > 0?
I can quickly see this graphically and intuitively, but how do I do a proof?
4 answers
961 views
If Σ 1/k^2 from k=1 to infinity = pi^2/6
Use that to show that Σ 1/(2k-1)^2 from k=1 to infinity = pi^2/8
1 answer
264 views
With Taylor/Maclaurin polynomials
Use the Remainder Estimation Theorem to find an interval containing x = 0 over which f(x) can
1 answer
461 views
limit of (10^n)/(n!) as n->infinity
The answer is zero. Can you prove it?
1 answer
319 views
y = (1+x)/(1-x)
How do I rearrange that equation to be: x = (y-1)/(y+1)
3 answers
327 views
Can someone prove (informally) the following theory:
If there is a differentiable function, f, that is represented by a Taylor
1 answer
391 views
Obtain the MacLaurin series for 1/(2-x) by making an appropriate substitution into the MacLaurin series for 1/(1-x).
------------
5 answers
1,225 views
I want to get the first four terms of the expansion of this expression
(x - x^3/3! + x^5/5! - x^7/7!)^2 I already got the answer:
7 answers
473 views
why do you think such communities get little attention from the U.S. mass media ?
6 answers
462 views
Are you surprised that such poverty exists in the US
3 answers
332 views
A raffle is being conducted with 50 tickets to be sold - one per customer.
There are three prizes to be awarded. If the four
3 answers
785 views
Given that lim x-> +infinity of (1 + 1/x)^x = e
Show that lim x-> +infinity of (1 + k/x)^x = e^k
3 answers
318 views
The probability distribution function for a normal distribution is
f(x) = 1/(σ*sqrt(2*π))*e^[-(x-μ)^2/(2*σ^2)] How do I
1 answer
358 views
why understanding how to use a map is important?
3 answers
361 views
---LINEAR TRI-SYSTEM---
Please explain how to do this problem because I already have the answer as (0,4,-2) 5x+y-z=6 x+y+z=2
1 answer
340 views
Can someone use mod to prove that 10^(3n + 1) cannot be represented as the sum of two cubes.
And make it very detailed please.
2 answers
497 views
I want to self-study Fourier Transforms followed by signal analysis and Wavelets.
I am considering buying the books: "Fourier
4 answers
510 views
How would I calculate the definite integral of e^(-k/2*x^2) dx over the interval of (0,+∞)
I know the answer is sqrt(pi/(2k)),
1 answer
378 views
how do I find all real solutions of this quadratic equation.
w^2 = 3(w - 1)
4 answers
817 views
A square plot of land has a building 60ft long and 40ft wide at one corner. The rest of the land outside the building forms a
5 answers
5,789 views
Candy and Tim share a paper route. It takes Candy 70min to deliver all the papers, and it takes Tim 80min. How long does it take
5 answers
1,943 views
If one person can finish mowing a field in 4 hours and another person can finish mowing a field in 8 hours. How long do you
4 answers
426 views
For the multinomial distribution:
Show that summation of the probability mass function across all possible values equals 1. Show
1 answer
320 views
Pages
1
2
3
4