Number of results: 98,499
ap calc
OOPS, I meant Pre-Calc not ap Calc sorry
Saturday, October 10, 2009 at 2:45pm by MUFFY
pre-calc
oops! don't know why I put AP Calc, it's actually pre-calc....
Friday, September 18, 2009 at 8:52pm by muffy
Calc
Can someone help me with this calc problem? lim as x->0 (tan^3 (2x))/(x^3)
Thursday, January 8, 2009 at 4:22am by Nick
MATHS
A CONE WAS CONSTRACTED FROM PLASTIC, HAVE A HEIGHT OF 20cm (PART C). THE LID IS MADE UP OF HEMISPHERE HAVE RADIUS 0F 5cm (PART A) AND PYRAMID HAVE VOLUME OF 81,667cm³. THE LID FITS EXACTLY OVER THE CONE. A) CALC. THE VOL. OF PART A. B) CALC. THE VOL. OF PART C. C) CALC. ...
Monday, August 9, 2010 at 8:16am by MTHOMBENI BAFANA
Studying for Calc
I have a quiz on derivatives coming up and I really want to do well, but i'm not sure how to go about studying calc. i have no trouble studying for other subjects, but i'm doing poorly in calc and i need to make some changes in my study habits. any suggestions? i ...
Tuesday, October 7, 2008 at 4:22pm by Elizabeth
calc
oh! ok! thank you! so then m=6 and the equation of the tangent line would be y=6x Thank you!
Tuesday, September 14, 2010 at 2:41pm by calc
Pre-Calc/Calc
Looks like C to me
Wednesday, April 17, 2013 at 11:05am by Steve
Pre Calc
Does this: sqrt 3x-4=(x-4)^2-3 Multiply out to: x^4-16x^3+90^2-211x+173 I then need to put it in the graphing calc and see what the roots are.
Thursday, September 10, 2009 at 8:34pm by muffy
physics
an aeroplane is travelling horizontally at a speed of 80ms and drops a crate of emergency supplies.To avoid damage,the max vertical speed of the crate on landing is 20ms. a)calc d max height of the aeroplane when the crate is dropped b)calc d time taken for the crate to reach ...
Thursday, January 19, 2012 at 2:59pm by Shanti
calculus (limits)
lim h>0 sqrt(1+h)-1/h not sure how to factor this; not allowed to use L'Hopital's Rule. (that isn't taught at my school until Calc II & I'm in Calc I).
Saturday, January 22, 2011 at 2:09pm by John
calc/physics
350 J
Monday, April 23, 2007 at 3:46pm by derek
help chem!:/
a) Calc. PH of 0.010 M HF and 0.030 M KF e) calc. PH Zn(OH)2 in wAter
Thursday, March 15, 2012 at 9:03pm by ALISON
Calc or Pre calc
I am having trouble doing this problem. I know how to do indefinate integrals, but I don't know how to do definate integrals. Can you show me how to do this. Evaluate 5 (x^3-2x)dx 2
Wednesday, May 14, 2008 at 9:42pm by jennifer
Maths
You can graph it, if you calc is a graphing calc. graph y=x^2+8x+5, where it crosses the x axis, is the solutions.
Thursday, September 17, 2009 at 6:00pm by bobpursley
physics-non calc
What is the question?
Thursday, October 14, 2010 at 2:40pm by bobpursley
Physics
Looks ok to me, I didn't do calc work.
Tuesday, January 5, 2010 at 6:04pm by bobpursley
Physics-calc
What it P representing? Position?
Saturday, September 12, 2009 at 1:31pm by Hannah
Physics
oh, thank you. I forgot to do that after my calc homework
Sunday, October 30, 2011 at 7:14pm by Millie
Math
It is math, i take a pre-calc/calc class. sorry!
Sunday, September 28, 2008 at 4:49pm by sam
Pre-Calc
I'm stuck on a pre-calc problem. I need to find y as a function of x, where the constant c is a positive number for In(y-1)+In(y+1)= -x+c express your question as ln[(y-1)(y+1)] = -x+c change that to exponential form e^(-x+c) = (y-1)(y+1) e^(-x+c) = y^2 - 1 y^2 = e^(-x+c...
Wednesday, May 9, 2007 at 12:36pm by Sarah
physics
calc the buoyant force on a 2 L helium balloon
Thursday, December 6, 2012 at 5:00pm by chris
Calc and Physics
Damon and Reiny. Thanks for your quick and thorough responses.
Sunday, December 16, 2012 at 2:03am by Daryl
physics calc based
Had problems with the same question.
Sunday, January 24, 2010 at 1:06pm by Dom
physics repost
Thinking is correct. I didn't check calc work.
Friday, April 4, 2008 at 12:08pm by bobpursley
physics repost
I didnt check calc work, but thinking is correct.
Friday, April 4, 2008 at 12:10pm by bobpursley
Pre-Calc
Can you show me how to find the rectangular equation of r=2costheta + 3 sin theta All I need is an example to work off I was absent today from Pre-Calc and I have homework to do and no explanation with them-Please help with this one Thank you
Monday, October 3, 2011 at 6:33pm by Leah
Physics
first calc: hf=hi+vi*t-4.9t^2 second calc: hf=hi-4.9(t-2)^2 0=40+vi*t-4.9t^2 0=40-4.9(t-2)^2 well, two equations, two unknowns. start the with the second, solve for time, then put that into the first equation and solve for vi.
Friday, November 12, 2010 at 1:31pm by bobpursley
Pre-calc/Calc
Looks like D to me. sin u + sin v = 2 sin(½(u+v)) cos(½(u−v))
Wednesday, April 17, 2013 at 11:12am by Steve
Math
If (a,-3) is a point on the graph of y=x^2+4x, what is the value of a? so far i have -3=x^2+4x i can do the problem on my graphing calc but we can't use a graphing calc on the test so i need to know how to do it by hand. what do i do next?
Wednesday, January 20, 2010 at 10:29pm by Karen
last calc question, i promise!
ALSO ALSO ALSO - on my first calc question (a couple posts down!), i added more to the problem that i forgot, so i need help with that too.
Friday, February 20, 2009 at 12:26am by jane
physics
Well it's a bit too late for that. I'm already in Calc 2 so is there anyway you can just explain this problem to me so I can finish my work.
Sunday, August 15, 2010 at 9:35am by Skyler
physics 2
I would suggest on the other three, do them on paper, check the orders of magnitudes, then verify it on the calc.
Saturday, January 30, 2010 at 9:25pm by bobpursley
Physics
paste this into the google search window: 2*6.470*6.02E23 You need to learn how to be friends with your calc.
Friday, November 20, 2009 at 6:35pm by bobpursley
C code
Write a .c file named calc that: - Takes arguments from the command line - Solves a simple math problem - Returns the result as an exit status calc.c: //this is the function that gets called when the executable is run. int main(int argc, char * argv[]){ //I've given you ...
Wednesday, February 6, 2013 at 9:04pm by Nick
Calc
By the way, I used vector components rather than laws of cosines as math people might do it. My thing is physics.
Sunday, June 29, 2008 at 7:01pm by Damon
Physics
it be easier to explain if i had my book, the answer may not be a 100% rgt because my calc is in my car, why u post this? need help with homework?
Thursday, March 6, 2008 at 7:56am by A51AN
algebra 2
take the antilog of each side: x=antilog 2.4 = 10^2.4 Put this in your calc, or in the google search window (google calc) 10^2.4
Sunday, March 23, 2008 at 7:44pm by bobpursley
physics-non calc
a hammer was released from rest vi=0m/s taking 1.12 seconds to fall 1 meter. How do you solve that
Thursday, October 14, 2010 at 2:40pm by charles
Pre Calc
I'm obviously suppose to get - sin 2 pi ok - sin ( (24 pi)/12) I don't see how to get that though
Friday, November 13, 2009 at 5:52pm by Pre Calc
Pre Calc
I don't see how to do this without a calculator sin ( - pi/12) csc ( (25 pi)/12)
Friday, November 13, 2009 at 5:52pm by Pre Calc
math
ln x=44/12 x=e^(44/12) [put that in your calc, or in the google search window (google calc).
Sunday, March 23, 2008 at 8:06pm by bobpursley
physics-A person walks
I dont understand??? how do you solve the answer in km. Do you do "(sign of 25)<in calc> multiplied by(3.8km)"?????
Thursday, September 24, 2009 at 10:41pm by Anonymous
calc
Find an equation of the tangent line to the curve at the given point. y = 6 x sin x P= (pi/2 , 3pi) i know the slope of a tangent line is equal to the first derivative. For that I got 6xcosx + 6sinx but idk how to put that into the y-y1=m(x-x1) formula to make the equation
Tuesday, September 14, 2010 at 2:41pm by calc
chemistry
liquid heptane C7H16 is completely combusted to produce CO2 and H2O: C7H16 + 11O2 --> 7CO2 + 8H2O the heat combustion for one mole of C7H16 is -4.85*10^-3 CO2 heat of comb. = -393.5 H2O h of c= -285.8 a) calc. the vale of heat of cumbustion for C7H16 in kJ/mol a .0108 ...
Wednesday, March 10, 2010 at 7:28pm by hilde
Physics w/ Calc
6.235/.0023=2710i 7.83/.0023=3404j = (2710)i-(3404)j
Sunday, October 16, 2011 at 8:08pm by Anonymous
physics calc based
In the product F = qB (vectors), take q = 2 (neglecting the units of charge, q) and v = 2.0 i + 4.0 j + 6.0 k and F = 4.0 i + (-20 j) + 12 k . What then is B in unit-vector notation if Bx=By ?
Sunday, January 24, 2010 at 1:06pm by hannah
physics EM
nvm found it elsewhere. turns out i had my calc in degrees instead of radians. dont you just hate when that happens.
Monday, April 7, 2008 at 4:51pm by Spencer
Physics
The numbers are correct, but the words are not. The first thing you did was mgh, not 1/2 m v^2 So yes, it is mgh+1/2 mv^2 I didn't check calc work.
Monday, December 7, 2009 at 5:20pm by bobpursley
Physics with Calc
A point charge of 1.8uC (microcoulumbs) is at the center of a Gaussian cube 55 cm on edge. What is the net electric flux through the surface?
Saturday, February 5, 2011 at 12:35pm by Robert
Physics, Calculus(alot of stuff together)= HELP!!!
You have the integration right, I did not check the calc work. The boundry values apply to the density (2.7,9.3) and you applied them correctly.
Sunday, September 16, 2007 at 7:12pm by bobpursley
geomtrey
Handy trig calculators can be found at http://www.rapidtables.com/calc/math
Friday, February 15, 2013 at 2:12pm by Steve
Calc or Pre calc
To get the definite integral subtract the value of the indefinite integral at x=2 from the value at x=5. The arbitrary cnstant c will cancel out. The indefinite integral is x^4/4 - x^2 + C. The definite integral is (625/4) - 25 -[16/4 - 4].
Wednesday, May 14, 2008 at 9:42pm by drwls
Math for liberal arts
a handy calculator that works in multiple bases can be found at http://ostermiller.org/calc/calculator.html
Thursday, August 30, 2012 at 4:42pm by Steve
Pre Calc
I have no idea how to do this problem I thought you would have to do something with the diagonals but not sure... The parallel sides of a trapezoid are 4 and 10 centimeters long and the oblique sides are 8 and 12 centimeters long. Fi9nd the angles and the area of the trapezoid
Monday, October 5, 2009 at 1:43pm by Pre Calc
Physics 1 (Calc Based)
angular position= 1/2 acceleraiton*time^2+ wi*time + initial position
Wednesday, March 31, 2010 at 12:59pm by bobpursley
Physics
A body covers a distance of 25m in the 5th sec of its motion and 40m in the 8th sec.of its motion. Calc.initial velocity and acceleration.
Wednesday, July 4, 2012 at 12:43pm by Mohan
Calc-Based Physics
You are lost in the process of resolving a vector into components, then the addition of those components. Here is what I suggest. Go to the nearest college bookstore, or Barnes Noble, or such, and get the study guide Schaum's Outline Series: College Physics. There are a a...
Thursday, October 11, 2007 at 10:30pm by bobpursley
Calc-Based Physics
You are lost in the process of resolving a vector into components, then the addition of those components. Here is what I suggest. Go to the nearest college bookstore, or Barnes Noble, or such, and get the study guide Schaum's Outline Series: College Physics. There are a a...
Thursday, October 11, 2007 at 10:30pm by bobpursley
physics
Ok. If you used your calc to get 23E-9 from 9E9*1.6E-19*1.6E-19/(1E-10)^2 then you are right. I dont know where you got the distance apart from, that of course can change the answer.
Saturday, March 29, 2008 at 9:27pm by bobpursley
Pre-Calc/Calc
Which set of parametric equations corresponds to this rectangular equation? y=2x-(x^2 / 10) A. x=4t, y=4t-(t^2 /10) B. x=2t, y=8t-(4t^2/10) C. x=2t, y=4t-(4t^2/10) D. x=.5t, y=2t-(t^2/10) E. x=t, y=t-(t^2/10)
Wednesday, April 17, 2013 at 11:05am by Chris Math Hw Help
physics
I found out how I was messing up and getting the wrong answer. I entered (-30) squared + 49.5 squared then took the square root of the answer getting 39.37 instead of 57.88 which i figured out was the right answer, I didn't enter all in my calc at the same time. ...whoops...
Monday, September 21, 2009 at 10:23pm by Constant physics poster!
physics
Deceleration: 16 = 20 + Ta 16 - 20 = 10a a = -0.4 m/s2 Braking force = 300 X 0.4 = -120 N Please check the above calc and give comments!
Sunday, November 21, 2010 at 5:17pm by Raymond
Calc
Profit=p(-p^2+33p+9)-9(-p^2+33p+9)+100 How do I simplify this so I can take the derivative For Further Reading * Calc - Michael, Sunday, November 25, 2007 at 4:17pm Profit=p(-p^2+33p+9)-9(-p^2+33p+9)+100 p(-p^2 + 33p + 9) Just distribute the p in. -9(-p^2 + 33p + 9) Find the ...
Sunday, November 25, 2007 at 8:20pm by Ben
geometry
first off, trig functions are just numbers. they have no units (such as meters). Maybe those little m's are meant to be ° symbols. If sin(x) = 8/32, x = 14.48° did you visit the trig site I provided? http://www.rapidtables.com/calc/math
Friday, February 15, 2013 at 3:57pm by Steve
Solving system of linear equations
http://math.la.asu.edu/~kolossa/119/calc.html
Sunday, February 22, 2009 at 5:55pm by bobpursley
Calc-Based Physics
Break each vector into two components. Not having a diagram, I cant help. But I suspect one component should be aimed along whereever the angles are being measured from, and the other angle perpendicular to that. Then add like components.
Thursday, October 11, 2007 at 7:40pm by bobpursley
physics
R=.28*165 (calc this) plug into following equation and that will give you W =I^2*R =1030^2*R b. P(loss)= IV =1030(720000) <---changed into V from kv =741400000 divide answer from part a by this number to get the percentage
Friday, September 17, 2010 at 10:52pm by lynette
Calculus II
http://marauder.millersville.edu/~bikenaga/calc/parts/partspf.html
Tuesday, February 24, 2009 at 2:43pm by bobpursley
Physics-I forgot the magnetic field calc
I forgot that the earth's magnetic field is 50 micro Tesla
Saturday, April 23, 2011 at 5:04pm by Russ
Calc
I mean feet, not meters. Yes, acceleration is crazy. It should increase during the propulsion phase and it should be g, 32 ft/s^2 down, after the engine cuts out. I assume this is math class and certainly not a physics class :)
Friday, February 22, 2008 at 4:06pm by Damon
geometry
or http://www.rapidtables.com/calc/math/Arctan_Calculator.htm
Thursday, January 12, 2012 at 1:03pm by Damon
calc
Use L’Hopital’s rule to find the limit of this sequence (n^100)/(e^n) ...If you do L'Hop. Rule it would take forever, right? You would always get an (e^n) at the bottom and will have to use the L'Hop. rule 100 times to find the limit...100*n^99, 9900n^98, and...
Wednesday, February 1, 2012 at 4:55pm by lola
Geometry
Handy trig calculators can be found at http://www.rapidtables.com/calc/math just plug in your value for 22 degrees, get the sine, and then multiply by 11. Hard to believe that someone with access to a computer can't figure out how to get some calculations made. Heck, ...
Friday, February 15, 2013 at 11:34am by Steve
Math
mosey on over to http://www.rapidtables.com/calc/math/Arctan_Calculator.htm
Thursday, February 28, 2013 at 11:32pm by Steve
physics calc based
Don't you mean the vector cross product F = q V x B ? You need to write an equation for the three components of B (with Bx = By) by rewriting the above equation for the individual components. Then solve for the Bz and Bx=By components
Sunday, January 24, 2010 at 1:06pm by drwls
Calc
A student is in a 20 week calc class. The function f(t)=50-50e^0.2t f(t) measures the students problem speed in t weeks -how many problems per hour can a student solve at the beginning of the course - how many problems per hour can a student solve halfway through the course -...
Friday, July 20, 2012 at 2:07pm by Marshall
Pre Calc
use properties of the trigonometric function to find the exact value of each expression. Do no use a calculator. sec ( - pi/18) * cos (37 pi)/18 I do not see how to do this problem. Every time I do it out I get a reference angle of twenty degrees which isn't on the unit ...
Friday, November 13, 2009 at 2:40pm by Pre Calc
Pre Calc
how did you go from the first line to the next in these lines sec(2PI +Pi/18)cos(37PI/18) sec(37pi/18)cos(37PI/18) 1/cos * cos= 1
Friday, November 13, 2009 at 2:40pm by Pre Calc
Physics
A sphere of radius 10 cm is charged to a potential of 500V. Calculate the outward pull per unit area. Ans: 1390 * 10^-8 N/m^2 -------- I'm sure the calc is simple, but how do I calculate "outward pull" from voltage?
Thursday, December 24, 2009 at 2:21pm by Sean
Calc
3
Wednesday, July 18, 2012 at 3:11am by c
Pre-calc/Calc
Which expression is equivalent to sin(3x) + sin x? A. 2cos(2x)sin x B. 2sin(2x)sin x C. -2sin(2x)cos x D. 2sin(2x)cos x E. -2cos(2x)sin x
Wednesday, April 17, 2013 at 11:12am by Chris Math Hw Help
physics
well, the first step to the second is wrong, there is no way 260+21N became 54726 Newtons. I dont follow your last step (didn't punch it in the calc), but you have to take sqrt of the sum of forces, I dont see where you did that. Resultant= sqrt(xforeces + y forces)
Thursday, October 1, 2009 at 5:56pm by bobpursley
chemistry
pi = MRT Convert ug vitamin B12 to mols mols = grams/molar mass. Then mol/L = M and substitute into the first equation and solve for pi in atm. Here is a site to convert atm to H2O. http://www.aqua-calc.com/convert/pressure/atmosphere
Monday, February 25, 2013 at 2:32am by DrBob222
CALC
X
Sunday, May 30, 2010 at 1:27am by Riyad
CALC
X
Sunday, May 30, 2010 at 1:27am by Riyad
CALC
X
Sunday, May 30, 2010 at 1:27am by Riyad
Calc
(B)
Friday, April 26, 2013 at 11:59am by Steve
Calc 3
7
Wednesday, September 12, 2012 at 7:02pm by Brayden
calc
7
Sunday, November 22, 2009 at 3:49am by Anonymous
Calc
deriv. h(t)=(tˆ4-1)ˆ3(tˆ3+1)ˆ4
Monday, October 15, 2012 at 11:23am by C.S.
Calc 3
thank you!!!!!!
Saturday, September 22, 2012 at 5:04pm by Becky
Calc
Thanks!
Wednesday, July 18, 2012 at 3:11am by Jim
calc
thanks!
Sunday, July 15, 2012 at 2:04pm by Anonymous
calc
thanks
Thursday, March 29, 2012 at 8:40am by naseba
Calc
Thanks!
Friday, January 20, 2012 at 7:34pm by Kris
calc
what is h?
Wednesday, December 28, 2011 at 5:43pm by Eliza
Calc 3
with .... ?
Wednesday, July 13, 2011 at 7:45pm by Reiny
Calc 2
y=... or r=...?
Monday, April 18, 2011 at 1:24pm by Mgraph
Calc
0 and 1
Wednesday, December 2, 2009 at 1:10pm by derek
Calc
2
Monday, November 16, 2009 at 1:16pm by brad
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