Number of results: 61,987
calculus
This is hardly calculus. Assume the original money was in 24 parts. She spent 12 parts on clothes, she had 12 parts left. She spent 4 parts on games. She had 8 parts left. She spend 2 parts on toys. She had six parts left. sixparts is 7777. What is the original 24 parts? Ok, ...
Thursday, April 30, 2009 at 9:41am by bobpursley
Calculus (Parts A and B done, just help with C)
I did notice this when I took the derivative for part A of the volume. But it seemed too simple to just plug in this value, I wanted to make sure that I was certain about the placement. Thank you!!!
Tuesday, January 17, 2012 at 7:37pm by Mishaka
Calculus 2
just like regular trig functions, use integration by parts to get x arcsinh(x) - √(x^2+1)
Thursday, October 4, 2012 at 10:40am by Steve
math
oh yeah there was also no shaded parts just missing parts.
Tuesday, August 30, 2011 at 7:51pm by Ann
3rd grade
alice folded a piece of paper into 12 equal squares and colored them. She had 3 times as many red parts as green parts and 2 more yellow parts than blue parts. How many parts did she have of eeach color?
Tuesday, January 20, 2009 at 5:33pm by tee
Calculus (Parts A and B done, just help with C)
V = (4/3)pi r^3 dV/dr = 4 pi r^2 which happens to be the area so dV/dt = 4 pi r^2 dr/dt the differential change of volume is the surface area * dr PS I wonder how you did parts a and b without knowing that
Tuesday, January 17, 2012 at 7:37pm by Damon
Calculus
Rolle's theorem is just the mean value theorem, where f(x) = 0 at both endpoints. What did you get to parts a and b?
Saturday, November 3, 2012 at 11:57pm by Steve
Mathematics
A machine takes 4.2 hours to make 7 parts. At that rate, how many parts can the machine make in 28.8 hours 48 parts 41 parts 172 parts 17 parts
Wednesday, November 21, 2012 at 3:18pm by Nono
3rd grade
There are 3 yellow parts, 1 blue parts, 2 green parts and 6 red parts.
Tuesday, January 20, 2009 at 5:33pm by Nicole
Calculus Exam
when you study just review your notes and if you have a book maybe scan through some of the parts you know will be on your test. if you do have a book you can see if they have an online site by looking up the name of the book and they might have chapter quizes that will help ...
Sunday, December 7, 2008 at 8:26pm by Lisa
maths
3/8 means , 3 parts out of 8 parts of anything, in this case, full day or 24 hours. So divide 24 hours into eight equal parts. So 24/8 is 3. Now take three parts of it. That is 3 parts of 3 lots. The answer is 9 hours.
Sunday, March 15, 2009 at 5:27am by Neil
AP Calculus
A piece of wire of length 246cm is cut into 12 parts whose length are in an A.P. Given that the sum of four shortest parts is 34cm, find the length of the longest part.
Saturday, November 12, 2011 at 2:33pm by Watermelon
French
I know that the definite article is normally used when discussing parts of the body, but I have oftentimes seen possessive adjectives with parts of the body while reading. Why is this? Is it just done for clarification? Thanks!
Tuesday, September 15, 2009 at 12:34am by RC
physics
we just did an practical on newton's second law and we just have to do a report on it.... basically there are two parts to it, first part is when the overall mass of the system remains constant and the second part is when the force remains constant. there are two parts ...
Saturday, September 20, 2008 at 8:43am by WT
calculus
I left the final calculation up to you. If you define the integral as the sum of two parts that each approach within a distance a of x=1, and let a gapproach zero, than the answer will be zero because the two parts will always cancel, not matter how small a is.
Sunday, February 10, 2008 at 10:54pm by drwls
Calculus
Since both parts of f are continuous in their domains, just check to see whether they meet at x=2 16/x^2 = 16/4 = 4 when x=2 3x-2 -> 6-2 = 4 when x->2 Looks continuous to me.
Saturday, October 8, 2011 at 8:32pm by Steve
Calculus
9-8x-x^2 = 25 - (16 + 8x + x^2) = 3^2 - (x-4)^2 Integral sqrt(a^2 - u^2) du = u/2 * sqrt(a^2 - u^2) + a^2/2 arcsin(u/a) just plug in a=5 and u=x-4 and plug away. This is a standard trig substitution and integration by parts.
Saturday, November 19, 2011 at 2:12pm by Steve
Math
I am having troubles with the first part that I forgot to type... How many parts was the group divided? Would that be 15 parts or 8 parts?
Tuesday, March 23, 2010 at 5:00pm by Malory
Grade 12 Calculus
you don't need calculus for this. It can just confirm your answers. these are just ordinary parabolas. Find the vertex, and check the values at the ends of the intervals.
Tuesday, April 16, 2013 at 12:15pm by Steve
English
Thank you very much, but I already know the parts of the stage. The diagram given labeled them for me. My job is to fill in all the...parts, you could call them. Like the doors, the table, the couch, etc. I was wondering if I was missing anything. Above, I also asked two other...
Friday, August 24, 2007 at 9:31pm by brie
Calculus grade 12
a) determine the derivative of y = sin2x b) determine the derivative of y = 2SinxCosx c) shoe that derivatives in parts a) and b) are equal d) explain why derivatives in parts a) and be should be equal.
Thursday, April 12, 2012 at 12:31am by Julie
Science
I just need to know if i got these right? 1.If we take out parts of our ecosystem, then other parts of it are affected. A. True B.False 2.All animals have the same risk of extinction. A.True B.False I think 1 is false and 2.is true
Thursday, November 10, 2011 at 10:24am by Anonymous
decimals
Which three parts? Do you mean add 0.1 three times? If 0.1 is divided into any number of "parts", the sum of all parts is 0.1.
Tuesday, December 29, 2009 at 11:47am by drwls
Math
A fraction states that so many parts of a whole is represented. In other words, 3/4 means that there are 3 parts out of 4. You can't have 3/0 because you can't have 3 parts of nothing.
Friday, October 9, 2009 at 5:22pm by Ms. Sue
sciance
ok thanks but i diddn't take these words Serial dilute parts per million parts per billion parts pr trillion plzz help thanks
Wednesday, November 28, 2007 at 5:30pm by brittany
Discrete Math
A factory makes automobile parts, 5C7, 1O6 or 3Z0, which are of 5,000 parts, what is the minimum number of parts with the same serial number?
Thursday, October 27, 2011 at 6:06pm by Rob
chemistry
I am not exactly sure of what is given. 1) if the mixture is 14 parts Ar, 12 parts N2, and 2 parts BF3, then molesN2=1.43*12/28 moles
Friday, January 15, 2010 at 1:47pm by bobpursley
Math
If it is 15 parts, I figured 40 engines divided by 15 parts which equals 2 3/8. 2 3/8 engines in each part. 2 3/8 * 3 (parts that could climb the hill) = 7 1/8 parts that could climb the hill Am I heading in the right direction?
Tuesday, March 23, 2010 at 5:00pm by Malory
Calculus
If you have graphed the function for the different values of c requested, you will see the differences. In fact, part a is to help you understand the questions in parts b, c and d. If you have not graphed the function as requested, you can also read up parts b, c, and d for ...
Sunday, November 1, 2009 at 10:36pm by MathMate
Calculus
This will not use calculus. It is an exercise to show how to use algebra to approximate the instantaneous velocity that you would get using calculus. Just use the formula y = 44t - 16 t^2 multiple times. For (a), y(2) = 88 - 64 = 24 ft y(2.5) = 110 - 100 = 10 ft Average ...
Friday, April 3, 2009 at 4:32am by drwls
math 156
nope. If it is 24 males, then females should be 3x or 72. That wont work at all. 2:6 means 8 parts. Divide 72 by 8 2 parts are male 6 parts are notmale
Thursday, December 3, 2009 at 3:27pm by bobpursley
Chemistry
Yes, you want 2.0 mL of the 30% stuff. Bob Pursley likes to use parts. To do it that way you have From 30% to 3% is a dilution of 10 so you want 1 part 30% + 9 parts water. How much is 1 part? 20 mL/10 parts = 2 mL (= 1 part) 9 parts x 2 = 18 parts water. The total is 20.
Friday, September 28, 2012 at 11:26pm by DrBob222
calculus
No to matt's answer. It requires integration by substitution and one other trick. Let u = 4 - x^2. x = sqrt(4-u) dx = -(1/2)/sqrt(4-u) That makes the integral that of -(1/2) u^(1/2)/sqrt(4-u) Perhaps that can be integrated by parts. The answer (from my table of integrals) ...
Tuesday, December 2, 2008 at 11:41pm by drwls
math
7/8 * 2/3 = 14/24 = 7/12 One way you could draw a model is to divide a rectangle into three equal parts. Then divide two of those parts into eight parts (four in each third). one hundred sixty-seven thousandths = 0.167 = 167/1000 = 167 parts of 1,000.
Wednesday, April 1, 2009 at 6:51pm by Ms. Sue
psychology
It would depend on how you are defining parts, what level of parts. At the highest level, the largest parts would be the cerebrum and cerebellum. However, as an example, the cerebrum can be divided into its parts, the various lobes. Some of the lobes are larger than the ...
Wednesday, March 11, 2009 at 3:46pm by PsyDAG
chemistry help
ppt, ppm, ppb. parts per thousand parts per million parts per billion
Monday, May 18, 2009 at 4:37pm by DrBob222
Calculus 2
integral of xarctanxdx using integration by parts.
Wednesday, September 26, 2012 at 3:19pm by Heather
Chemistry
2 parts glycerol to 13 parts solvent (or more accuratey 2 parts glycerol and enough solvent to make 15 part total).
Sunday, February 17, 2013 at 1:22am by DrBob222
CALCULUS
I did your last one by parts. Try the same trick again.
Sunday, November 20, 2011 at 10:24am by Damon
calculus
The antiderivative of arctan(4t)dt by integration of parts.
Monday, February 28, 2011 at 10:21pm by Kate
Calculus B
The antiderivative of ln(2x+1) using integration by parts.
Monday, February 28, 2011 at 10:18pm by Brandon
sciance
what are the definitions of these words: Solute Infer Serial Dilute Parts per million parts per billion parts per trillion epidemiology epidemic contaminate microrgansims Quantitative Chlorine risk trade-off thanks
Wednesday, November 28, 2007 at 5:30pm by brittany
Calculus
2) use the chain rule where 2 seperated parts. y= (3x+ 5)^8 x= 3x+5 dx= 3 y'= x^8dx 8x^7 dx put back what x is and get 8*3(3x+5)^7 I just put back the dx as well and moved it to multiply it with the 8 so.. 24(3x+5)^7 this is what it should be if I remember how to do this ...
Sunday, September 30, 2007 at 9:28pm by ~christina~
english
I am 38 and this isnt for homework! I need to have access to a site to identify parts of speech. I want to be able to enter in a sentence and have the parts of speech (verb, noun, pronoun etc.) identified. I have over 100 sentences that I need to do this with so clearly I cant...
Saturday, September 12, 2009 at 1:13pm by tiffany
math
a bathroom cleaner contains 1 part of bleach with 4 parts of water. if you need 10 parts of bathroom cleaner, how much water and bleach do you need? If 1 part bleach and 4 parts water = 5 parts, then what do you need to do to get 10 parts? Although this does not solve the ...
Friday, February 2, 2007 at 1:15am by mae
calculus
the answer is exact. Going any further would just be to approximate it with a decimal. e^2-7 is just as good as π/4 or √23-ln(3). It's just a number.
Friday, January 4, 2013 at 4:11pm by Steve
calculus
Use integration by parts to find ∫ 2x e-x dx.
Monday, March 11, 2013 at 3:02pm by mikey2
Calculus - Integration by Parts
I do not believe you can do this in one integration-by-parts step. You must use the method twice. Let y = 2x and dx = dy/2, to simplify the problem to (1/2)∫e^y*sin(y)dy Next, let e^y = u and dv = siny dy du = e^y dy and v = -cos y (1/2)∫e^y*sin(y)dy = (1/2...
Wednesday, May 18, 2011 at 2:14am by drwls
calculus
Something is missing here. The triangle of largest area is an isosceles right-angled triangle. Just like the largest possible rectangle is obtained when that rectangle is a square. So if you divide the square into 2 equal parts, it would result in right-angled triangles of 45&...
Thursday, December 13, 2012 at 7:20am by Reiny
CALCULUS
even without calculus, since this is just a trapezoid with bases 4 and 6, height 2. 5*2 = 10 now, using calculus, integrate under the curve, from 1 to 3 integral[1,3] x+3 dx = x^2/2 + 3x [1,3] = (9/2 + 9) - (1/2 + 3) = 10
Tuesday, November 27, 2012 at 12:05am by Steve
CALCULUS
USE INTEGRATION BY PARTS TO FIND EACH INTEGRAL ƪx^5 Lnx dx
Wednesday, July 6, 2011 at 3:28pm by renee
Algebra
find the unit rate for number of parts manufactured per hour if 1630 parts are made in 6 hours. round to the nearest integer. SHOW ALL WORK. solution. parts made in 6 hours=1630 parts made in 1 hour=x x=1630/6 x=271.66666666666 x=272 per hour
Sunday, November 28, 2010 at 3:30pm by I. Kan
pharmacy calculations
You want to dilute the 30% cream by 30/5 = 6 times so you want 1 part of the 30% cream + 5 parts of the base. How much is 1 part? That's 180/6 = 30 g = 1 part. 5 parts base = 5*30 = 150 g = 5 parts Total = 6 parts = 180g.
Sunday, August 12, 2012 at 6:25pm by DrBob222
Calculus (Parts A and B done, just help with C)
The radius, r, of a sphere is increasing at a constant rate of 0.05 meters per second. A. At the time when the radius of the sphere is 12 meters, what is the rate of increase in its volume? B. At the time when the volume of the sphere is 36pi cubic meters, what is the rate of ...
Tuesday, January 17, 2012 at 7:37pm by Mishaka
Calculus
How do I integrate (x^2)(e^(x^3)) dx? I think it is integration by parts but after trying that, I got confused?
Wednesday, December 14, 2011 at 9:08pm by Anonymous
Calculus
Use either substitution or integration by parts to evaluate the integral: ∫(x+2)/(x²+2) dx Thank you!!
Tuesday, October 18, 2011 at 9:08pm by Erica
calculus
USE INTEGRATION BY PARTS TO FIND EACH INTEGRAL ƪãx lnx dx
Wednesday, July 6, 2011 at 3:29pm by renee
CALCULUS
USE INTEGRATION BY PARTS TO FIND EACH INTEGRAL ƪxe^2x dx
Wednesday, July 6, 2011 at 3:26pm by renee
chemistry
you are diluted them 4 times. So, one part original concentration,three parts solvent. 4 parts in 20 ml 1 part (5ml) original 3 parts (15ml) solvent.
Tuesday, December 6, 2011 at 8:01pm by bobpursley
8th grade math.
He ripped a piece of paper into three parts, and tore each of those parts into three more parts. if he repeated this action 12 times, how many pieces of paper would he have?
Monday, September 8, 2008 at 5:58pm by sam
chemistry
He = 3.0 x 10^-4 what? grams? [3.0 x 10^-4 g/200.0 g water]*100 = %He. right? Technically, the denominator is (200+0.0003) but we'll ignore the small number. So now you have percent, which is parts per hundred, just multiply by what factor to convert to parts per million...
Wednesday, May 6, 2009 at 3:43pm by DrBob222
Discrete Math
A factory makes automobile parts. Each part has a code consisting of a letter and three digits, such as C117, O076, or Z920. Last week the factory made 60,000 parts. Prove that there are at least three parts that have the same serial number.
Wednesday, April 20, 2011 at 3:44pm by Francesca
Math/Calculus
How would I integrate the following by parts: Integral of: (x^2)(sin (ax))dx, where a is any constant. Just like you did x^2 exp(x) below. Also partial integration is not the easiest way to do this integral. You can also use this method. Evaluate first: integral of sin(ax)dx...
Monday, May 28, 2007 at 11:15pm by COFFEE
Calculus
how about you try this one? what do you get? hint: let u = e^3x and you have u sinu, use integration by parts
Saturday, November 10, 2012 at 1:39am by Steve
calculus
How do I integrate x(arctanx) dx? Is it some sort of integration by parts? Can you please show steps? Thanks in advance!
Thursday, December 15, 2011 at 12:02am by W
Calculus
How do I evaluate this integral: x^9cos(x^5)dx Hint: First make a substitution and then use integration by parts.
Sunday, February 22, 2009 at 9:37pm by J
Calculus
How do I go about integrating sin[x^(1/3)]dx?? I tried doing integration by parts and I'm going in circles.
Friday, February 13, 2009 at 12:23am by Hannah
Calculus II
http://marauder.millersville.edu/~bikenaga/calc/parts/partspf.html
Tuesday, February 24, 2009 at 2:43pm by bobpursley
Calculus
It seems the post didn't post so I put it again. 2) use the chain rule where 2 seperated parts. y= (3x+ 5)^8 x= 3x+5 dx= 3 y'= x^8dx 8x^7 dx put back what x is and get 8*3(3x+5)^7 I just put back the dx as well and moved it to multiply it with the 8 so.. 24(3x+5)^7 ...
Sunday, September 30, 2007 at 9:03pm by ~christina~
calculus
A function has to be written as an equation. You just have an expression. Is this not Calculus?
Monday, November 8, 2010 at 9:05pm by Reiny
science
To start with, both have walls. In terms of function, how do aspects of a house work like parts of a cell? What parts of the cell perform functions that cannot be performed by parts of a house? One example involves the chromosomes and reproduction. This should help you to ...
Thursday, February 28, 2008 at 6:34pm by PsyDAG
Calculus
If i use integration by parts can i take out 1/4 from the integral and make u=sin^2(16x) and dv=dx ?
Friday, November 30, 2012 at 8:20pm by Anonymous
English
Yes, that works just as well. All parts of this short dialog are fine!
Monday, September 17, 2012 at 1:13am by Writeacher
chemistry
It is part of the same question just two different parts.
Sunday, August 15, 2010 at 2:18pm by Anonymous
Math
The decimal number 0.75 means: A. there are seventy-five parts of a whole unit that has 100 parts. B. there are seven-and-a-half parts of a whole unit. C. that a whole unit consists of seventy-five parts. D. seventy-five tenths of a whole unit.
Saturday, July 14, 2012 at 5:16pm by Loulou
stats
Suppose a shipment of 500 machine parts contains 62 defective and 438 non-defective machine parts. From the shipment you take a random sample of 25. You are interested in the number of defective machine parts out of 25 trials and corresponding probabilities. When sampling with...
Sunday, October 21, 2012 at 2:52pm by laura
math
"Nine parts of the first piece are equal in length to 3 parts of the second piece. " means that each part of the second ribbon is three times as long as each part of the first, which also means that the number of parts of the second ribbon is one-third of the number ...
Friday, August 31, 2012 at 9:14am by MathMate
Calculus
average value is area under the curve divided by the interval length what do you get? Use integration by parts for x lnx
Saturday, November 26, 2011 at 5:51pm by Steve
Calculus (urgent!!)
Ok..I found the problem with my first part, I accidentally typed cost(t)^2... Ok I'm still stucked with the last two parts, I don't know what to do with them....
Thursday, April 14, 2011 at 10:27pm by Catherine
calculus
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 substitute
Monday, January 21, 2008 at 7:49pm by sarah
chemistry
Assume the 95 percent solution is made of 20 parts, one of which is water. The 70 percent will have six parts water. So add five parts water to the 95 percent, and you have it. So you have 20 parts + 5 parts=350ml 25 parts= 350ml 1 part= 350/25 ml So take five parts (5*350/25...
Wednesday, January 23, 2008 at 10:00pm by bobpursley
Math
Max creates a lavender dye by mixing 3 parts of red dye. Will a mixture of 14 parts of blue dye with 23 parts of red dye create the same shade of lavender?
Thursday, October 25, 2012 at 9:46pm by Juan
Math
0.004 = 4 parts of 1,000 0.04 = 4 parts of 100
Friday, September 14, 2012 at 1:15am by Ms. Sue
English
Pieces are parts of a puzzle. Words are parts of ________.
Wednesday, February 16, 2011 at 3:55pm by Writeacher
parts of speech
What parts of speeech in English express huour
Monday, January 31, 2011 at 12:46pm by Ani
science
all the parts are involved but certain parts make it more wataganlistic
Monday, January 21, 2008 at 8:16pm by amber
Statistics
Can someone please help me with this example, I do not understand it at all. Binomial problems: Advanced A machine that manufactures automobile parts is estimated to produce defective parts % of the time. If this estimate is correct, and parts produced by this machine are ...
Wednesday, May 26, 2010 at 5:42pm by Christi
Calculus
As far as I can tell, there is no rest of the question. Each parts asks how to write y,p,w as a function of u. What is it that still bothers you? If u(x) = 19x+7 v(x) = 12^x y(x) = (u◦v)(x)
Monday, January 28, 2013 at 10:54am by Steve
Chemistry
There is no point in me redoing those parts you understand (and I assume you know how to do parts of it). What is it you're having trouble with?
Tuesday, April 3, 2012 at 10:51am by DrBob222
math
In a shipment of 750 parts, 75 were found to be defective. What percent of parts were faulty?
Wednesday, July 23, 2008 at 3:23pm by Ann
Math
Jeremy's 3 parts each consist of 3 of Amanda's parts?
Tuesday, January 29, 2013 at 12:49am by PsyDAG
History
I didn't really summarize it yet,i just took what i thought were the important parts out.
Sunday, November 20, 2011 at 9:55pm by Rebecca
Statistics
"Half of a set of the parts" and "Six percent (6%) of the parts manufacture on machine A are defective." .5 * .06 = ?
Friday, July 16, 2010 at 4:39pm by PsyDAG
math
Cut the pizza in four equal parts. Take one of those parts.
Friday, January 22, 2010 at 12:42pm by Ms. Sue
chemistry
If 19.7 g of CaCl2 are present in 200 mL of aqueous solution, what is the concentration in terms of the following? a. molarity 100 M CaCl2 b. weight/volume percent 0.1 % (w/v) c. parts per thousand 100 ppt d. parts per million 10E4 ppm e. parts per billion 10E7 ppb
Wednesday, February 22, 2012 at 6:30pm by krystal
chemistry dilutions
you want to dilute it (2/.5) times, or 4 times. That means one part stock, 3 parts water. so one part is here 47 ml. YOu add it to 3 times 47ml water. Your teacher is just too easy. Here is a harder version, expect it on a test: You have stock soluton of 2M that must be ...
Thursday, May 5, 2011 at 9:32pm by bobpursley
english
I just checked about 700 words on this site -- and found none that begin with c and end with o. You might find your word here. http://www.onelook.com/?w=*&loc=revfp2&clue=sum+many+parts
Wednesday, October 8, 2008 at 9:14pm by Ms. Sue
calculus - typo?
you realize that y^3=x^3 is just y=x, and so the area is just a triangle.
Sunday, March 11, 2012 at 10:58pm by Steve
Calculus
Use integration by parts to find the integral. Round the answer to two decimal places if necessary. (x+4)^ln x dx between 3 and 0
Wednesday, November 23, 2011 at 11:56am by Jane
Calculus
Hey, how come no one has answered parts c through e? I need some help here!!! This is the ONLY site on the internet that has this problem worked.
Wednesday, August 24, 2011 at 6:58pm by Zach
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