Thursday

April 24, 2014

April 24, 2014

Number of results: 96,463

**algebra check please**

help i am stuck : -8 - 5y = 12 - 9y i got: -8-12 -5y = 12-12 - 9y -20 - 5y = 9y -20 +20 - 5y - 9y im so stuck idont understand this one can you please help me
*Monday, October 1, 2012 at 10:48pm by marko *

**Physics**

The displacement of an object in SHM is given by y(t) = (7.1 cm)sin[(1.64 rad/s)t]. What is the frequency of the oscillations in Hz? I'm completely stuck here. I was thinking that frequency = 1/t. I'm stuck with the information given. Please help!
*Monday, March 22, 2010 at 12:35am by Angie*

**algebra 117b**

I am really stuck if you could me please with this problem y=kxto find yfor x=6 y=-65when x=9 -65=k.9 k=- this is where I get stuck
*Tuesday, July 17, 2012 at 3:12pm by BERNIE*

**Physics Lab**

Can someone please help me? I need some ideas, I am totally stuck...I posted as the same name as I am now! Please! thanks
*Friday, September 14, 2007 at 8:12pm by Meredith*

**math**

i am having a minor difficulty i've been stuck for over an hour and don't know what to do i dont know is this right ? = "+" or "-" # = number y=3 (x-3)^2 + (y-4)^2 = 9 i substitute y (x-3)^2 + (3-4)^2 = 9 (x-3)^2 + 1 = 9 x^2 - 6x + 9 + 1 = 9 x^2 - 6x + 10 = 9 x^2 - 6x + 1 = 0...
*Wednesday, February 24, 2010 at 7:35pm by larry*

**re:math**

i am having a minor difficulty i've been stuck for over an hour and don't know what to do i dont know is this right ? = "+" or "-" # = number y=3 (x-3)^2 + (y-4)^2 = 9 i substitute y (x-3)^2 + (3-4)^2 = 9 (x-3)^2 + 1 = 9 x^2 - 6x + 9 + 1 = 9 x^2 - 6x + 10 = 9 x^2 - 6x + 1 = 0...
*Wednesday, February 24, 2010 at 7:52pm by larry*

**Algebra-Please help me!**

Hi, I'm totally stuck! Problem: sqrt(x-3) = sqrt (2) -sqrt(x) I know I square them to get them out of square roots but after that I'm stuck- answers: -25/8 25/8 no solution 1/8 Please show me how its done Thank you
*Tuesday, October 12, 2010 at 9:23am by Michelle*

**chemistry**

now am stuck on how to find the grams of X+Y=1.10 X for glucose and Y for sucrose i had 3.78=M0.08206*298 3.78/24.45=0.1546M 0.1546*0.025=0.003865 moles. now am stuck. help please
*Sunday, January 24, 2010 at 11:30pm by bf*

**Algebra-Pleasehelp-I'm so stuck!!**

Please help How do you graph the radical that is below negative of the sqrt(x+1) my teacher said we should set up x and y according to parent function. The endpoint of this would be (-1,0) How do I find the other points-I'm really stuck
*Monday, October 11, 2010 at 3:58pm by Julia*

**Physics**

Your car is stuck in the mud and two friends are helping you. One is pulling on your car with a force of 370 N at a 40 degree angle and the other is pulling with a force of 450 N at a 30 degree angle. A force of 725 N is required to remove the car. Is the car still stuck? ...
*Friday, October 29, 2010 at 2:26pm by Anna*

**English- A Raisin in the Sun**

I'm stuck on these in A Raisin in the Sun: Why does Mama decide not to move? In what way does she show herself to be stronger than her children? I'm stuck, please help!
*Saturday, September 1, 2007 at 12:49pm by Anonymous*

**AlgebraII-Reiny could you please check-I'm stuck**

Sikve the following by using substitution method x=3y -5 6x-18y = -30 I got this far and I'm stuck 6(3y-5) - 18y = -30 18y - 30 - 18y = -30 -30 = -30 So this doesn't make sense anymore
*Monday, February 14, 2011 at 3:06pm by JuliaAnne*

**geography**

I'm really stuck on my homework it says Geography can be divided into tree strands, phisical, human and enviromental. Explain what it means in your own words. I'm really stuck so could you help me please!!!!!!!!!!!!!!
*Monday, September 8, 2008 at 1:35pm by Emily*

**Economics**

Ive been stuck on this forever now if someone could please walk me through it i was appreciate it: 1: Suppose John had a utility function of U=X^2/3Y^1/3 . Derive Johns demand function from his utility function showing all the necessary steps. i know that the MUx=MUy and first...
*Tuesday, September 18, 2007 at 7:58pm by Brett*

**Pre-Calculus/Trig Check please and help**

Could someone please check the first one and help me with the second one. I'm stuck-Thank you 1.What are theroots of the following polynomial equation? (x+2i)(x-5)(x-2i)(x+8) = 0 I think the roots are -2i,5,2i,-8-you take out the roots as opposites of what are in the equaion ...
*Monday, September 5, 2011 at 8:52am by Tabitha*

**physics science**

Please can you help as I am stuck, Describe ib detail, how you would carry out an investigation to measure the density of a block of aluminium? Thankyou
*Tuesday, January 31, 2012 at 11:47am by chloe*

**physics science**

Please can you help as I am stuck, Describe ib detail, how you would carry out an investigation to measure the density of a block of aluminium? Thankyou
*Tuesday, January 31, 2012 at 12:04pm by chloe*

**Physics-Please check calculations**

I posted this earler and you gave me help, could you please check what I did? Thank you If a car drives off a 40 m high cliff with a horizontal velocity of 15 m/s, how far from the base of the cliff will the car strike the ground? Could someone help with the equation, please ...
*Sunday, January 2, 2011 at 5:34pm by JessieLynne*

**math**

i am having a minor difficulty i've been stuck for over an hour and don't know what to do i dont know is this right ? = "+" or "-" # = number y=x (x+1)squared + (y+1)squared = 6 i substitute y (x+1)squared + (x+1)squared = 6 x squared + 2x + 1 + x squared + 2x + 1 = 6 2x ...
*Tuesday, February 23, 2010 at 9:07pm by larry*

**Technology**

A watchmaker would work with _____ measurements. a. standard b. precision c. indirect d. Swiss I'm a little confused on this question. I dont think it's A or D. I'm stuck between B and C, but I think it's C-indirect. Is there any tutor that is good in technology? Please help ...
*Monday, December 21, 2009 at 5:11pm by y912f*

**Physics**

I really don't get why I am getting this question wrong? Please can you explain to me how to do this question step by step so that I can understand it please? :( i have been stuck on this question for quite a while now. Determine the stopping distances for an automobile with ...
*Friday, October 11, 2013 at 2:36am by Sarah*

**Physics**

I really don't get why I am getting this question wrong? Please can you explain to me how to do this question step by step so that I can understand it please? :( i have been stuck on this question for quite a while now. Determine the stopping distances for an automobile with ...
*Friday, October 11, 2013 at 2:49am by Sarah*

**Physics**

I really don't get why I am getting this question wrong? Please can you explain to me how to do this question step by step so that I can understand it please? :( i have been stuck on this question for quite a while now. Determine the stopping distances for an automobile with ...
*Friday, October 11, 2013 at 3:04am by Sarah*

**Physics**

I really don't get why I am getting this question wrong? Please can you explain to me how to do this question step by step so that I can understand it please? :( i have been stuck on this question for quite a while now. Determine the stopping distances for an automobile with ...
*Friday, October 11, 2013 at 3:45am by Sarah*

**History-PLEASE HELP**

I am stuck on a homework assignment and am having a hard time finding information on this topic. Can someone please please help!! Why is Kenneth Clark’s interpretation of the African mask ethnocentric?
*Thursday, February 11, 2010 at 3:15pm by Joe*

**Quantum Physics**

Has anyone done Block 7-8 for TMA 6 for s103 - discovering Science, as i am struggling big time, any help would be much appreciated yes i am like you really phased by this how much of the tma have you managed to do Me, too what r u stuck on? I have been doing really well but ...
*Tuesday, February 27, 2007 at 4:04pm by Adam*

**Chemistry**

Please help me with this chemistry question? I am working on a lab report and I am stuck on this question: Use the concept of stoichiometry to explain why balanaced equations are necessary when performing calculations in chemistry. Propose a situation where precise amounts of ...
*Tuesday, September 8, 2009 at 1:19pm by Jessie*

**Physics**

Last question i'm stuck on please help me through this. Five waves pass a dock in 2.0 s. If the waves are traveling at 10.0 m/s, then what is the wavelength of the waves?
*Monday, April 14, 2014 at 1:50pm by Me and I*

**physics**

Dynamics question please help i am stuck...! A model helicopter of mass 5.0 kg rises with constant acceleration from rest to a height of 60 m in 10 seconds. Find the thrust exerted by the rotor blades during the ascent
*Sunday, June 13, 2010 at 9:29am by Jinx007*

**Math SOmeone please please help**

Find the derivative of the function. g(u) = (5+u^2)^5(3-9u^2)^8 Could someone please explain the steps that would lead me to the answer? I'm completely stuck.
*Monday, February 21, 2011 at 11:15pm by Anonymous*

**Math (please please please help!)**

Solve for x: 2 to x+1=x+2 to 3 or 2 to x+3= x+2 to x+5 (the proportions end up being the same in the end) I keep getting to the part after you FOIL, and then I get stuck
*Tuesday, April 5, 2011 at 9:58pm by Rosie*

**college**

Please help. I'm stuck. Solve: 20/5p+3/5q-6/5p+14/5q Please show me the steps. Thank you
*Wednesday, January 14, 2009 at 1:27pm by Momsbubs*

**physics (Newton's Laws)**

Please help, A cat is stuck in a tree. You are designated with the job to get it out, yet you do not want to climb the tree, because you may get stuck as well. Instead you set up a pulley system. A rope (consider it massless) runs from the seat you sit on over an ideal pulley...
*Sunday, March 17, 2013 at 9:27pm by Kathy*

**Life Orientation**

Hi I am a matric learner and I am having trouble with an lo portfolio assignment. it is about environmental issues and im stuck. I need to identify and describe 3 environmental health hazards that cause ill health, accidents, crisis and disasters within my community or any ...
*Wednesday, May 1, 2013 at 2:14pm by Ashley*

**11th grade physics**

my physics teacher asked the class to find a cool physics topic and write a summary and a reflection on it 1page.... any ideas im really stuck
*Sunday, October 5, 2008 at 6:59pm by JESSICA!!!!!!!!!!!!!!!!!*

**Algebra**

Please help-What is the equation of the ellipse with foci (0,6), (0,-6) and co-vertices (2,0),(-2,0) Please explain the steps because I have 5 to do for homework-Thank you-I'm really stuck on this
*Thursday, May 12, 2011 at 11:51pm by Jodi*

**Integral calculus**

Hello, this is the last question from my homework that I get stuck at: ∫ (5^3/x - (x^8 + 9)^1/3 ) / 3x^2 will u, for sub. be = x^8 + 9? Then du is = 8x^7 dx x^7 dx = 1/8 du from there I'm stuck. Thank you
*Thursday, April 19, 2012 at 9:51pm by Tommy*

**Algebra II-Please check**

Please help-What is the equation of the ellipse with foci (0,6), (0,-6) and co-vertices (2,0),(-2,0) Please explain the steps because I have 5 to do for homework-Thank you-I'm really stuck on this I thought the answer would be x^2/4 + y^2/40 = 1 but that can't be because the ...
*Friday, May 13, 2011 at 1:25am by Jodi*

**Algebra II Please check-**

Please help-What is the equation of the ellipse with foci (0,6), (0,-6) and co-vertices (2,0),(-2,0) Please explain the steps because I have 5 to do for homework-Thank you-I'm really stuck on this I thought the answer would be x^2/4 + y^2/40 = 1 but that can't be because the ...
*Friday, May 13, 2011 at 7:50am by Jodi*

**Algebra**

I am trying to find the equation to m= 8(3,2)This is what I did and then I get stuck, sorry m=8(3,2) y=2(8)(x-3) y=2x-? this is where I get stuck -24 or -5
*Monday, September 6, 2010 at 10:17pm by Ziggy*

**Grade 12 Physics**

CAN SOMEONE PLEASE HELP ME WITH MY QUESTION I AM REALLY STUCK!!!!! SOMEONE ANYONE!! I need some help, my brain hurts already just over analyzing this question! [_] [_]Thanks! [_]
*Wednesday, September 12, 2007 at 4:58pm by Haley*

**Physics**

Help me please I'm stuck on this question 2.In a thunderstorm at 20.0°C, Karen sees a bolt of lightning and hears the thunderclap 3.00 s later. How far from Karen did the lightning strike? Show your work.
*Monday, April 14, 2014 at 12:33pm by Me and I*

**PHYSICS!!!!! HELP!**

The velocity of a diver just before hitting the water is -8.6 m/s, where the minus sign indicates that her motion is directly downward. What is her displacement during the last 0.86 s of the dive? im so stuck. i tried this problem several times, and my answers werent correct. ...
*Tuesday, September 28, 2010 at 11:07pm by mikey*

**prealgebra**

IM stuck on a question. PLease help. A teacher is giving candy to his periods. First period gets 1/3 and 2nd period gets 1/4 and 3rd period gets 1/3 and finally 4th period gets 22 pieces. How many pieces did each period get? Im stuck!!
*Wednesday, August 31, 2011 at 6:06pm by randy*

**physics**

A 5.88 g bullet is fired vertically into a 0.9 kg block of wood. The bullet gets stuck in the block, and the impact lifts the block 0.87 m up. (That is, the block — with the bullet stuck in it — rises 0.87 m up above its initial position, and then falls back down.) Given g = 9...
*Tuesday, August 9, 2011 at 10:26pm by James*

**Physics, help please!**

A hypothetical spherical planet consists entirely of iron (p=7860 kg/m^3). Calclate the period of a satellite that orbits just above its surface. I started out with the pressure formula P=M/V, but i kept subbing in other formulas, but i get stuck..can someone help me? thanks.
*Tuesday, March 2, 2010 at 8:23pm by ALan*

**Maths**

keep getting stuck for integrate e^(bx) cos x i get = cos x e^bx/b - int -sin x e^bx/b = cos x e^bx/b - -sin x e^bx/b^2 - int - cos x e^bx/b^2 this is where i get stuck please help
*Saturday, November 21, 2009 at 8:26am by Amelia*

**Algebra II**

Please help-I'm totally lost- What is the equation of the ellipse with foci(-10,0), (10,0) and co-vertices (0,-3),(0,3) x^2/109 + y^2/9 = 1 X62/100 + y^2/9 = 1 Please show me the steps because I have others to do and I'm really stuck
*Monday, March 28, 2011 at 11:54am by Shiela*

**algebraII**

3b-2/b+1=4-b+2/b-1 please help me I'm stuck
*Monday, April 28, 2008 at 4:45pm by brit*

**math**

(5)/(x) - (2)/(x-3) = 0 5(x-3) - 2(x) = x(x-3) 5x-15-2x = x^2 -3x 3x-15 = x^2 -3x this is where i get stuck please help thanks
*Sunday, October 31, 2010 at 5:52am by peter*

**physics 12**

im stuck i have no clue where to start, please help me i just know the givens and some claculations. question: kevin stands on he top of a buiulding and he throws an aboject up into the air at a velocity of 16.0m/s at an angle of 25 degrees to the horizontal. if the building ...
*Sunday, August 8, 2010 at 12:40pm by priya*

**Chemistry **

Please please help me on this equation I'm stuck and your steps are confusing. Calculate the concentrations of each ion remaining in solution after precipitation is complete. (Enter a 0 if none of the ion remains.) Cl ‾ Ca2+ I have Ag+=0 and NO3^-3= 0.13 but I can't seem...
*Friday, June 21, 2013 at 9:07pm by Ashley*

**PHYSICS-stuck**

These are the troublesome questions. What is the average velocity between 0.6 h and 1 h? A. + 0.4 km/h B. + 1.25 km/h C. + 1.66 km/h D. + 2.5 km/h The other question is below. What is the object's displacemnt between 0.4 h and 0.6 h? A. -0.75 km B. +0.25 km C. +0.75 km D. +1.0...
*Wednesday, July 21, 2010 at 6:52pm by Anonymous*

**Physics**

Heyy is anybdy good at physics I am stuck on this question ... ... A camper van with a mass of 2500 kg has a maximum driving force of 2650 N. The camper van drives along a straight road at a constant speed of 90 kilomatres per hour. At this speed, air resistance is 2000 N and ...
*Friday, September 9, 2011 at 11:53am by Robyn*

**physics- please respond**

A 16kg sled starts up a 28 degree incline with a speed of 2.4m/s . The coefficient of kinetic friction is = 0.27. part a)How far up the incline does the sled travel? part b)What condition must you put on the coefficient of static friction if the sled is not to get stuck at the...
*Thursday, May 24, 2012 at 10:18pm by julie*

**physics- please respond**

A 16kg sled starts up a 28 degree incline with a speed of 2.4m/s . The coefficient of kinetic friction is = 0.27. part a)How far up the incline does the sled travel? part b)What condition must you put on the coefficient of static friction if the sled is not to get stuck at the...
*Friday, May 25, 2012 at 1:59am by julie*

**Math, please please help**

The base length of each square-based prism in the pedestal design is 3cm less than that of the layer immediately below. a) Write an algebraic expression for the total of the top surface areas of the three prisms used to make the pedestal. x x x 2x+5 2x+5 Please help, i am so ...
*Tuesday, March 25, 2008 at 7:34pm by Amanda*

**Precalculus**

please still stuck h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 7 2 3 2 6 8 8 0
*Monday, April 26, 2010 at 9:00pm by Kate*

**Calculus**

Stuck on this problem. Please help! 1+u^4/u du
*Sunday, December 11, 2011 at 10:17pm by Stacy*

**Algebra Divide**

x^8+x^5/x Please help im stuck
*Thursday, June 7, 2012 at 1:17pm by Adriana*

**Math**

I am stuck on a problem that has to do with the double angle formulas. I have to solve this: 4sinxcosx = 1. I tried using the formula 2sinu = 2sinucosu by substituting it in like this: 2(2sinxcosx)= 1 but then I am stuck
*Monday, December 6, 2010 at 3:50pm by kathleen*

**Earth Science**

Why is the Colorado river in central nevada not part of a larger river system? Please help!! i am stuck in this quetion. Please help!!!!!!
*Monday, February 9, 2009 at 9:48pm by amanda*

**Help Please - Science**

I'm stuck on this thing in science. It's a lab report so its kinda hard to explain. We did a topographic map experiment. We had a big rock, and put it in a plastic bin. We then marked centimeters on the bin and filled water to the first centimeter. We drew the water line on an...
*Tuesday, November 13, 2007 at 4:37pm by Alex*

**2nd time posting bc i still need HELP! PHYSICS!!!!**

The velocity of a diver just before hitting the water is -8.6 m/s, where the minus sign indicates that her motion is directly downward. What is her displacement during the last 0.86 s of the dive? im so stuck. i tried this problem several times, and my answers werent correct...
*Wednesday, September 29, 2010 at 3:13pm by MC*

**math**

y=5x-7 and -3x-2y=-12 I have to find the linear system using substitution I have gotten it to -3x-2(5x-7)=-12 Now I am stuck at solving for x PLEASE HELP any way you can Thanks Oh, and please show me how you did it as well :)
*Thursday, May 28, 2009 at 6:44pm by Elissa*

**Can anyone please help me this biology please !!!**

I am really stuck in this biology it super hard how do yeast cells benefit from fermentation ?I wil be happy if anyone would help me out thanks.
*Thursday, December 13, 2012 at 8:34pm by Justin *

**Algebra**

Simplify: 6t^3/t^2 - 12t/2t I'm stuck, please help!! : (
*Wednesday, February 10, 2010 at 7:04pm by Nadia Samim*

**math**

Stuck on solving this inequality, help please. 3X le 15 and 2x gt -6
*Thursday, February 10, 2011 at 2:18pm by marco*

**math**

4x7-9^4= please help me im super stuck
*Tuesday, January 14, 2014 at 4:11pm by joey*

**grade 10 math**

im stuck in this question,i tried everything but i failed... can u please help me. find two numbers whose sum is 32 and whose product is a maximum. please help me!!!
*Tuesday, November 24, 2009 at 7:31pm by Sameul*

**algebra**

(2-x)/(2x+6)+ x/(x^2-9) Can some one please help solve this one because I stuck? I don't know how to sole this, so please somebody help!!
*Saturday, September 11, 2010 at 1:38am by jessica*

**physics**

A tightly stretched "high wire" is 44 m long. It sags 3.8 m when a 56 kg tightrope walker stands at its center. What is the tension in the wire? 1 NIs it possible to increase the tension in the wire so that there is no sag? so far i know you do the inverse sin of (3.8/22) to ...
*Sunday, January 9, 2011 at 1:24pm by Haley*

**MATH**

Hi, I really need help with these questions. I did some of them halfway, but then I got stuck. Would you please help me? Thank you so much. Prove the identity.... 1. sec x + tan x(1-sin x/cos x)=1 1/cos x + sin x/cos x(cos^2 x/cos x)=1 1+sin x/cos x(cos^2x/cos x)=1 I got stuck...
*Thursday, January 2, 2014 at 2:55pm by LIZZIE010*

**Physics**

if a ball is thrown vertically into the air, leaving the ground at a height of 1.8m, with a speed of 9.7m s -1. When it rises and falls to the ground what will the balls speed be as it hits the ground? please help with an explanation as i am so stuck, my exam is in two days ...
*Monday, December 6, 2010 at 6:51am by Rebecca Niles*

**Pre-Calc-Please check my answer**

Please help-I'm stuck really bad Thank you for any help you can provide What are the roots of the equation x^2 -4x + 3 = 0 x^2 - 4x = 3 x^2 +2(-2)x + -2^2 = -3 = -2^2 x^2 + -4x + 4 = 1 (x + -2)^2 = 1 qrt (x+-2)^2 = sqrt 1 x+-2 = plus or minus 1 therefore x=1 x=3 roots are 1 ...
*Tuesday, September 6, 2011 at 8:12pm by Sheila*

**math**

394 cars, 57 trucks, and 23 buses ventured out in the snowstorm. 83 1/3% got stuck in the snow. How many vehicles got stuck?
*Sunday, May 16, 2010 at 6:50pm by Kriztin*

**Technology**

What is carbon "footprint", please describe it. I am stuck.
*Tuesday, June 3, 2008 at 2:31am by Sarah*

**Intermediate Algebra**

Solve: 2x^-2 - 5x^-1 - 3 = 0 2a^2 -5a - 3 = 0 (2a^2 - ) + ( a - ) = 0 I am stuck here please help.
*Wednesday, December 3, 2008 at 11:10am by Jennifer*

**algebra**

Helpme solve this please i am really stuck x+3y=8 x=4-3y
*Saturday, January 9, 2010 at 1:45pm by anna*

**algebra**

Please help me factor this by grouping. I am stuck. 7x^3-35x^2-6x+30
*Monday, July 19, 2010 at 9:23pm by Joe*

**math **

still stuck on simplififying 3x^3+5x^5...please assist
*Friday, December 31, 2010 at 3:33pm by Margaret*

**Math**

I'm stuck on solving this one. If I could get some help please. -6 le x/2 - 4 lt -3
*Friday, February 11, 2011 at 11:12pm by marco*

**pre algebra**

11 - 8 ÷ (1/3 + 1/5) Please show work I am stuck. Thank you
*Sunday, June 17, 2012 at 11:03am by toni*

**Physics 12 Review**

End of the semester, working on the final review... I have a couple of questions I am stuck on right now. My notes on these questions seem to have vanished into the void... 1. "A 2.0kg puck travelling due east at 2.5m/s collides with a 1.0kg puck travelling due south at 3.0m/...
*Friday, January 23, 2009 at 1:57pm by solexgirl12*

**Physics**

A small plane takes off with a constant speed of 130 km/h at an angle of 37 degrees. In 3.00 s, how high is the plane and what horizontal distance has it traveled from the lift-off point. I know I should convert 130km/h into meters per second, but after that I am stuck. Can ...
*Thursday, November 29, 2007 at 3:06pm by Emma*

**Physics STUCK!**

A point on the A string of a guitar oscillates in approximately simple harmonic motion with a frequency of 113 Hz and an amplitude of 1.04 mm. Find the maximum speed and acceleration of this point. SOLVE FOR: vmax = amax Can you please provide me with the equation as well as ...
*Thursday, January 24, 2013 at 10:46pm by High School STUDENT*

**PHYSICS - please help!!!**

In the product F = qv · B , take q = 4, v = 2.0i + 4.0j + 6.0k and F= 136i -176j + 72k. What then is in unit-vector notation if Bx = By? I still can't get the right answer though... I am stuck here: 136i-176j+72k=(8i+16j+24k)x(Bxi+Byj+bzk) How do I solve for Bxi + Byj + Bzk...
*Thursday, March 29, 2007 at 10:04pm by sam*

**Physics (vectors)**

I am stuck with this question.Please help. I have a triangle that is not a right triangle with sides A, B, and C.(no values).The arrow's heads of A and B are joined and the arrow's head of C is in the tail of B. If the resultant is A,what is the vector equation, and what is ...
*Friday, February 15, 2013 at 8:25pm by Kathy*

**Physics**

During an action potential, Na^+ ions move into the cell at a rate of about 3x10^-7 mol/m^2*s. How much power must be produced by the "active Na^+ pumping" system to produce this flow against a +30-mV potential difference? Assume that the axon is 40cm long and 30um in diameter...
*Tuesday, February 12, 2013 at 1:29am by John*

**science**

please could someone help me with these question please i have loked on websites but i am still stuck. true or false and i need to write a comment why:- plants photosynthesise 24 hours a day respiration uses up carbon dioxide thanks guys!
*Tuesday, October 6, 2009 at 12:06pm by dominique*

**Psychology**

I am writing a paper and am stuck on one part can some give me an idea what i am needing. paper in which you analyze the function of emotions as motive. Be sure to address the following items on your analysis: This is the part I am stuck on Analyze at lease two research ...
*Friday, October 17, 2008 at 7:58am by TOM*

**Physics **

I am doing my physics homework and am stuck on this one problem. can anyone help me please? Two blocks are connected by a massless string and are held in position by another massless string along a frictionless incline (as shown in the figure). Let M1 = 58.0 kg, M2 = 65.0 kg, ...
*Monday, January 30, 2012 at 7:35pm by Kaity *

**math**

Help with this complex fraction please... (a+2/a^2+a-2) - (3a+1/a^2+2a-3) LCM is (a-1) (a+2) (a+3) right? then i get stuck
*Sunday, October 31, 2010 at 7:49pm by Anonymous*

**math**

Help with this complex fraction please... (a+2/a^2+a-2) - (3a+1/a^2+2a-3) LCM is (a-1) (a+2) (a+3) right? then i get stuck
*Monday, November 1, 2010 at 8:00am by *

**Math**

6x-3y = -6 and -5x + 7y = 41 I got stuck on this problem and my answers are outrageous so please help?
*Monday, March 5, 2012 at 2:35am by Andres*

**algebra**

how do i solve the quadratic equation of 9-91+5 please help me i'm stuck with this problem.
*Wednesday, May 2, 2012 at 10:17pm by tiffani*

**math**

im stuck on this problem can some one please explain.. y=9(7+4)^2+9
*Friday, March 7, 2014 at 5:45pm by winston*

**MATH grade 10**

please help me, please. a farmer is building a circular corral to hold a live stock. with distances measured in metres, the shape of the corral is modelled by the equation x squared plus y squared equals 64. find length reqiured for the fencing of the correl? i don't get how ...
*Tuesday, October 6, 2009 at 9:25pm by sameul *

**Physics**

(a) What is the energy of a pendulum (L = 0.9 m, m = 0.4 kg) oscillating with an amplitude of 4.3 cm? (b) The pendulum's energy loss (due to damping) is replaced in a clock by allowing a 2.3-kg mass to drop 1.0 m in 1 week. What percentage of the pendulum's energy is lost ...
*Monday, June 25, 2012 at 11:57am by Ally*

**physics**

A cat is stuck in a tree. You are designated with the job to get it out, yet you do not want to climb the tree, because you may get stuck as well. Instead you set up a pulley system. A rope (consider it massless) runs from the seat you sit on over an ideal pulley and then to ...
*Monday, March 18, 2013 at 10:06pm by Nathalia*

Pages: **1** | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | Next>>