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sarah
Questions and answers by
sarah
, page 2
Questions (1,217)
why are taxes so high on cigarettes
3 answers
461 views
could you look over this for me? we are supposed to come up with a binary to compare two articles and then create something new
2 answers
559 views
what is an accidental? thanks.
1 answer
292 views
what are some inventions from the industrial revolution?
3 answers
754 views
two is what fractional part of 9?
1 answer
407 views
how were the assyrians like the mesopotamians
5 answers
564 views
Okay, so Spot the dog is on a 10 foot leash.
The leash is attatched to the CENTER of a 24ft by 8ft rectangular shed. So
7 answers
881 views
how to provide an answer for each.
1 answer
342 views
An FM radio station broadcasts at 97.4 MHz. Calculate the wavelength of the corresponding radio waves.
5 answers
1,967 views
A photon of ultraviolet (UV) light possesses enough energy to mutate a strand of human DNA. What is the energy of a single UV
6 answers
2,266 views
how to take the integral of cos(square root of x) dx.
need to use substitution and integration by parts but I don't know what to
5 answers
960 views
is the integral of xln(x)dx=
x^2/4(4ln(x)-4-2ln(x)+3)+C?
3 answers
400 views
Solve this system of inequalities graphically 3-y<6, x>1, y<3
5 answers
511 views
how to do the integral of
(ln(x))/(x^2)
1 answer
339 views
Solve the system by substitution.
3x-3y=-12,y=-3x-12 i see its the same problem rewritten but i confused on what i should do any
3 answers
476 views
is the integral of 2x/(x^3-x)
=-1/2ln(x+1)+1/2ln(x-1) I got this by doing this: (\=integral sign) 2\1/(x^2-1) 2\1/(x+1)(x-1)
7 answers
524 views
is the integral of the square root of x*ln(x)
=(2/3 x^(3/2))(lnx-2/3) ?
3 answers
300 views
how would you do the integral of the sin(square root x)
? I just can't seem to get started
1 answer
335 views
I was given a decreasing concave down graph of the integral F(x) from 0-8.
i have to say whether the following are greater then,
1 answer
775 views
I was given a decreasing concave down graph of the integral F(x) from 0-8.
i have to say whether the following are greater then,
2 answers
542 views
how big must n be so that the absolute value of the error in using the trapezoid rule is less than .00001?
for the integral
4 answers
357 views
what is the answer for the integral of
(1/(xln(x)) from 1 to infinity? I first found the integral using u substitution- so
2 answers
556 views
how would you do this improper integral
1/(x-1) from 0 to 2 this is improper at one, so I split it up into two integrals ln(x-1)
1 answer
388 views
how would you do this improper integral
1/(x-1) from 0 to 2 this is improper at one, so I split it up into two integrals ln(x-1)
1 answer
358 views
how would you do this improper integral
1/(x-1) from 0 to 2 this is improper at one, so I split it up into two integrals ln(x-1)
4 answers
390 views
how do you integrate
x^2/(9+x^6)
1 answer
297 views
how do you integrate
x^2/(9+x^6)
1 answer
270 views
i have to determine whether the series is convergent, and if, find the sum
the series is from k=1 to infinity of 2/((k+1)(k+3)) I
4 answers
488 views
Another problem:
determine whether the series is convergent if so find sum it is the sum from k=1 to infinity of
1 answer
817 views
TRUE OR FALSE
1. if the lim as n->infinity of a(sub n)=0, then the sum from n=1 to infinity of a(sub n) converges i said this was
2 answers
697 views
find if the series is convergent and what it sums to
the sum from k=3 to infinity of (k+1)^2/((k-1)(K-2)) I'm not sure how to
7 answers
368 views
determine whether the series is convergent if so find sum
it is the sum from k=1 to infinity of ((-1)^k)/(3^(k+1)) i found this
2 answers
743 views
2. if the sum from n=1 to infinity of a(sub n) converges and a(sub n) does not =0, then the sun from n=1 to infinity of 1/(a(sub
1 answer
337 views
determine whether the series is convergent if so find sum:
the sum of x=3 to infinity of (k+1)^2/((x-1)(x-2)) is it infinity
1 answer
433 views
true of false
if the sum of asubn from n=1 to infinity converges, and if a is not equal to 0, the the sum of 1/(a sub n) as n
1 answer
406 views
true of false
if the sum of asubn from n=1 to infinity converges, and if a is not equal to 0, the the sum of 1/(a sub n) as n
2 answers
782 views
the the sum (using the integral test) from k=1 to infinity of (lnk)^2/k
I said divergent because the interval goes to infinity is
1 answer
393 views
is the sum from k=1 to infinity of 1/(k^2+1) convergent?
i said it was because the integral is convergent
3 answers
372 views
true or false:
if the sum from n=1 to infinity of a(n) converges, and the sum from n=1 to infinity of b(n) diverges, then the
2 answers
569 views
determine whether the series converges of diverges
the sum from n=1 to infinity of 1/(the square root of (n^3+1)) I said that
2 answers
566 views
determine whether the series converges of diverges
the sum from k=2 to infinity of (the square root of (ln(k)))/k I said that
1 answer
452 views
determine whether the series converges of diverges
the sum from n=1 to infinity of sin(e^-k) I'm not sure where to start..
1 answer
434 views
true or false-
if the sum from n=1 to infinity of a(n) converges and an is greater than 0, then the sum from n=1 to infinity of
1 answer
474 views
determine whether the series converges of diverges
the sum from n=1 to infinity of 1/(the square root of (n^3+1)) I said that
2 answers
556 views
determine whether the series converges of diverges
the sum from k=2 to infinity of (the square root of (ln(k)))/k I said that
2 answers
619 views
determine whether the series converges of diverges
the sum from k=1 to infinity of sin(e^-k) I'm not sure where to start..
1 answer
461 views
true or false-
if the sum from n=1 to infinity of a(n) converges and an is greater than 0, then the sum from n=1 to infinity of
1 answer
380 views
determine whether the series converges of diverges
the sum from k=1 to infinity of sin(e^-k) I'm not sure where to start..
1 answer
447 views
determine whether the series converges of diverges
the sum from k=1 to infinity of cos(e^-k) I'm not sure where to start..
2 answers
857 views
test the series for convergence or divergence using the alternating series test
the sum from n=1 to infinity of (-1)^n/(3n+1) I
1 answer
498 views
test the series for convergence or divergence.
the sum from n=1 to infinity of ((-1)^n*e^n)/(n^3) I said it converges because the
1 answer
450 views
what is an upper bound on the absolute value of the error?
the abs value of (the sum from n=1 to infinity of ((-1)^(n+1))/(n*5^n)
1 answer
467 views
test the series for convergence or divergence using the alternating series test
the sum from n=1 to infinity of (-1)^n/(3n+1) I
1 answer
501 views
test the series for convergence or divergence.
the sum from n=1 to infinity of ((-1)^n*e^n)/(n^3) I said it converges because the
1 answer
452 views
what is an upper bound on the absolute value of the error?
the abs value of (the sum from n=1 to infinity of ((-1)^(n+1))/(n*5^n)
2 answers
569 views
explai9n why methane is a non polar substance.
please help
3 answers
346 views
determine if the series is absolutely convergent and convergent.
the sum from n=0 to infinity of ((-1)^n*e^n)/(n!) I used the
1 answer
472 views
determine if the series is absolutely convergent and convergent.
the sum from n=0 to infinity of ((-1)^n*e^n)/(n!) I used the
1 answer
449 views
for the series is absolutely convergent and convergent
the series from 1 to infinity of (x^3)/(5^x) i did the ration test and get
1 answer
420 views
for each series determine if the series is absolutely convergent and convergent
the sum from 0 to infinity of (-1)^n/(the square
1 answer
470 views
determine if the series is absolutely convergent and convergent
the sum from n=1 to infinity of sin(n^2)/n^2 what series test
2 answers
905 views
for each series determine if the series is absolutely convergent and convergent
the sum from 0 to infinity of (-1)^n/(the square
2 answers
539 views
for the series is absolutely convergent and convergent
the series from 1 to infinity of (x^3)/(5^x) i did the ration test and get
1 answer
449 views
the sum from n=1 to infinity of
sin(n^2)/n^2 I found this converges to pi^2/6, but is it absolutley convergent also?
1 answer
331 views
I was wondering if anyone had any ideas or any type of thesis statements I could use for the following essay topic:
Discuss women
2 answers
975 views
I was wondering if anyone had any ideas or any type of thesis statements I could use for the following essay topic:
Discuss women
3 answers
608 views
could somebody please look over this outline I made saying how Adrienne rich would view the women in Othello and how they are
10 answers
635 views
what does this series, if it converges, converge to?
the series from n=1 to infinity of (2^n + (-1)^n)/3^n
2 answers
467 views
how do you find the sum of a series?
for example: the series from n=0 to infinity of (-1)^n/? thanks
1 answer
313 views
find the sum of the series from n=1 to infinity of
2^n/n! do I just look at the sum of the terms?
2 answers
486 views
find the sum of the series:
1. the sum from n=1 to infinity of ((-1)^n*(.2)^n)/n I simplified this to: (-.2)^n/n I know this is
3 answers
711 views
What misconceptions do children have about expressions such as 4+8 and the equal sign that can cause difficulty working with
4 answers
341 views
i have to do an essay in class linking 3 texts AWAY, SEVEN YEARS IN TIBET and A TRACK WINDING BACK i have no idea how to do this
1 answer
322 views
Is American Sign Language used worldwide? Or is there a different kind of sign language for different countries?
4 answers
1,081 views
Pleae unscramble vrafos
1 answer
442 views
p and L are related by the equation
p=RA/L where all the other quantities in the equation are constant. How do I work out the
1 answer
314 views
If z=2t^3 -7t how do I calculate the gradient of a graph of z against t at t = 3?
2 answers
880 views
let f be function given by f(x)= Ln(x)/x for all x> 0. the dervative of f is given by f'(x)= (1 - Ln(x))/x squared.
a) write
5 answers
5,996 views
let R be the region bounded by the graphs of y = sin(pie times x) and y = x^3 - 4.
a) find the area of R b) the horizontal line y
3 answers
3,290 views
t= hours 0 1 3 4 7 8 9
l(t) people 120 156 176 126 150 80 0 concert tickets went on sale at noon (t=0) and were sold out within 9
2 answers
633 views
A rollercoaster car of mass 600.0 kg is moving 2.4m/s at the top of a peak that is 25m off the ground. The car moves down slope
2 answers
1,087 views
a large bedsheet is held verticallyy by two students. A third student who happens to be the star pitcher on the baseball team,
3 answers
918 views
a 1200kg car traveling initially qith a speeed of 25.0 m/s in an easterly direction crashes into the rear end of a 9,000kg truck
2 answers
1,074 views
three carts of masses 4.0kg, 10kg, and 3.0kg move on a frictionless horizontal track with speeds of 5.0m/s, 3.0m/s, and 4.0m/s.
5 answers
8,691 views
I need help with these ones....
1. Describe two things the farmer could do to increae the energy conversion effency in a cow? 2.
1 answer
373 views
solve for x
3x^2 + 2x - 5 = 0 you foil it and get: (x - 1)(3x + 5) but i don't know what to do from here. please please pleasee
1 answer
279 views
I'm having trouble trying to identify which method is best to use for graphing when faced with an equation. Are there certain
2 answers
549 views
i have these letters -
e e i t x d s y a and i need to make a seven or eight word from them, if anyone can help it would be
3 answers
872 views
i need help with pigskin geo. week 3. please help!!!!!!!!!!!!!!!!!!
1 answer
371 views
Arrange the following elements in order of increasing atomic radii.
Sr, Rb, Sb, I, In
3 answers
1,381 views
A cylinder with a movable piston contains 2.00 of helium,He, at room temperature. More helium was added to the cylinder and the
4 answers
1,205 views
how do I figure ou this answer?
Jess say's the square of the sum of 17 plus some number will equal his mother's age squared. If
4 answers
465 views
How do I explain WHY centripetal force is directly proportional to frequency squared...not relying on information based on the
4 answers
1,079 views
what should you not do if you want to help get rid of graffiti?
4 answers
774 views
the velocity of a particle is given by v=[16t^2i+4t^3j +(5t+2)k]m/s, where t is in seconds. If the particle is at the origin
4 answers
3,862 views
a go-cart moves along a circular track of radius 100ft such that its speed for a short period of time , 0 is less than t which
1 answer
605 views
a truck travels along the horizontal circular curve of radius r=60m with a constant speed v=20m/s. Determine the angular rate of
2 answers
1,287 views
a boy weighs 80 lb and is hanging uniformly from a bar, how do you find the force in each of his arms at t=2s if the bar is
4 answers
1,131 views
what is the difference in the induced current in a wire loop when a magnet goes through the loop north side first, south side
1 answer
358 views
A long straight wire is oriented in the z direction and carries a current I. A square loop with sides of length w is in the
2 answers
623 views
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