April 21, 2014

Homework Help: 12th Grade

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Class 12th Calculus
If y = e^x cosx, prove that dy/dx sqrt(2) e^x . cos(x+ pie/4)
Friday, June 10, 2011 at 1:27am

Pre algebra
Kayla has a 41% grade average. On an exam that is worth 20% of her grade she gets a 100%. What is her grade now?
Wednesday, May 25, 2011 at 8:07am

Kayla has a 41% grade average. Then sha takes an exam that is for 20% of her grade and gets an 100%. What is her grade now?
Wednesday, May 25, 2011 at 8:02am

which term in the expansion of (1/(3x^2)-x)^15 is the constant term? A. 10th B. 11th C. 12th D. 13th
Tuesday, May 24, 2011 at 10:43pm

Islam in India...Economic effects?
Thank you! For more specified information, I'm studying it from around 962-12th/13th century Ahhh AP work =[
Monday, April 4, 2011 at 6:41pm

pre algebra
it depends on the percent weight of the final exam. (e.g. 40% of your grade, 35% of your grade, etc.) assuming your grading scheme for a B is around 83%... and assume your final exam is worth 40% of your overall grade and the rest of your grade (83.17%) is 60% of your overall ...
Saturday, March 12, 2011 at 3:41am

appling middle
If the data were displayed in a circle graph, what percent of the graph would represent the seventh grade? Enrollment is Sixth grade 64, Seventh grade 64, and Eighth grade is 70
Thursday, March 10, 2011 at 8:32pm

Calculus 12th grade.
recall that velocity is the change in position over change in time, or: v = dx/dt where x=distance, and t=time thus equating this to the given function, dx/dt = 9t^2 + 2t dx = (9t^2 + 2t)dt integrating, x - xo = 3t^3 + t^2 + C if we assume that the initial displacement is zero...
Saturday, March 5, 2011 at 10:25pm

Calculus 12th grade.
first, we find where the curve touches the x-axis, or simply get the roots,, to get the roots, equate y = 0: 0 = 4x - x^2 0 = x(4-x) x = 0 and x = 4 this will be our boundary conditions for integration,, we'll use integration since area under the curve: integral (4x - x^2...
Saturday, March 5, 2011 at 10:21pm

12th grade English
Please try some of the following links:​&p=arguments+and+counterarguments+in+%22​A+Vindication+of+the+Rights+of+Woman%22+​ Sra
Thursday, February 24, 2011 at 3:12pm

12th grade chemistry
Here is a worked example of a similar problem. Just follow the steps.​stoichiometry.html Post your work if you get stuck.
Thursday, January 27, 2011 at 11:05pm

12th grade
The formatting didn't work 8-(( I hope you get the idea. I'll try again with dots for spaces. Start in the same way as you would do long division. Set it up as ......_________ (3x-3)|15x2-24x+9 then how many times does 3x go into 15x^2, which is 5x .......5x ..........
Wednesday, December 15, 2010 at 10:55am

12th grade
Start in the same way as you would do long division. Set it up as _________ (3x-3)|15x2-24x+9 then how many times does 3x go into 15x^2, which is 5x 5x _________ (3x-3)|15x2-24x+9 15x2-15x (from 5x times (3x-3) subtract 5x _________ (3x-3)|15x2-24x+9 15x2-15x ________ -9x+9 I ...
Wednesday, December 15, 2010 at 10:52am

12th Grade Calculus
Find d^2y/dx^2 by implicit differentiation. x^(1/3) + y^(1/3) = 4 I know that first you must find the 1st derivative & for y prime I got 1/3x^(-2/3) + 1/3y^(-2/3) dy/dx = 0 Then for dy/dx I got dy/dx = [-1/3x^(-2/3)] / [1/3y^(-2/3)] I think that from here I would use the ...
Tuesday, December 14, 2010 at 10:15pm

Art History
Here are some searches for you. Try some of the following links for each one. Your first item:​&p=naturalism+of+Chinese+art+of+the+10th​+to+12th+centuries Your 2nd item:​&p=...
Wednesday, December 8, 2010 at 6:56pm

12th grade
A satellite is in a circular orbit around an unknown planet. The satellite has a speed of 1.65 104 m/s, and the radius of the orbit is 5.30 106 m. A second satellite also has a circular orbit around this same planet. The orbit of this second satellite has a radius of 8.60 106 ...
Tuesday, December 7, 2010 at 5:32pm

If a grade was drawn at random from the data shown below, what is the probability that the grade is not a B? Grade Frequency A 2 B 8 C 11 D 2 F 1 I think it is 1 out of 5 or 4 but I am not sure? Please help :) Thank you much!
Sunday, December 5, 2010 at 10:02am

12th Grade Vocabulary
I believe it's C.​y/verity
Sunday, November 21, 2010 at 12:02pm

12th Grade Vocabulary
We have to pick which sentence the vocabulary word is used incorrectly. Vocab Word: Verity a) Many people trusted the VERITY of the accused spies Ethel and Julius Rosenberg, but the defendants were convicted and executed for espionage in 1953. b) Although neutrons and protons ...
Sunday, November 21, 2010 at 11:51am

12th Grade English
I'm not sure I understand, but here goes. To find synonyms or antonyms for words, use a thesaurus. Here's a good one: Why are you trying to decide between the two phrases? They don't mean the same as each other. What is it you are trying to...
Sunday, November 21, 2010 at 10:27am

12th grade
Tuesday, November 16, 2010 at 4:13pm

12th grade
Try some of the following links:​&p=how+many+moles+of+atom+are+in+47+atom​s+Ba Next time, please label carefully the School Subject so the right teacher reads it. Sra
Tuesday, November 9, 2010 at 12:35am

12th grade
Please state the School Subject clarly so the right teacher sees it. In the meantime, here are some links for graphs:​&p=how+to+do+graphs Sra
Saturday, November 6, 2010 at 8:55pm

12th grade
V = (1/3)πr^2h but h=r V= (1/3)πr^3 dV/dt = πr^2 dr/dt so when h = 8 , r = 8 and dV/dt = 8π 8π = π(8)^2 dr/dt dr/dt = 8π/(64π) = 1/8 ft/min
Saturday, November 6, 2010 at 7:18pm

comparing fractions
In the fourth-grade class at Baker Elementary, 9 students are left-handed. The fifth grade has 7 left-handed students and the sixth grade has 6. The number of students in the fourth grade is 3 times the number of left-handed students in the class. The sixth grade has 3 more ...
Wednesday, November 3, 2010 at 12:23am

12th Grade Calculus
When a ball is thrown straight down from the top of a tall building, with initial velocity 30 ft/sec, the distance from the release point at time t in seconds is given by s(t)=16t^2+30t. If the release point is 300 ft above ground, what is the velocity of the ball at the time ...
Wednesday, October 27, 2010 at 6:19am

12th grade
A perchloric acid solution is composed of 168.75 g of perchloric acid and 81.25 mL of pure water. What is the percent by mass of the perchloric acid solution? The density of water is 1.000 g/mL. When I did this part I got 67.5% But, I am having trouble with the secind part. ...
Sunday, October 24, 2010 at 3:17pm

12th grade economics
Try here:​&p=what+the+process+of+specialization+do​es+for+the+economy Sra
Saturday, October 2, 2010 at 2:29am

12th grade
You might look at some of the following:​&p=how+high+above+the+water+is+the+cente​r+of+the+hoop Sra
Thursday, September 30, 2010 at 2:24am

12th grade
a tortoise and a hare are "running" in a are asked to prepare graphs similar to those in your reading material to graph the process of each animal during the in text,distance is the vertical scale of your graph and time is the horizontal scale.the ...
Wednesday, September 15, 2010 at 2:48pm

Math-12th grade
#1. The pressure P of a compressed gas is inversely proportional to the volume V. If there is a pressure of 35 pounds per square inch when the volume of gas is 400 cubic inches, find the pressure when the gas is compressed to 100 square inches. #2. A frictional force is ...
Thursday, September 9, 2010 at 7:19pm

12th grade maths
make x the subject y=r-qp/(x) is the ans x=-qp/(y-r) make the subject (p) p+3=qp+r/(2) is the ans p=r-6/(2-q)
Tuesday, September 7, 2010 at 12:54pm

12th grade maths
the second one: make the subject (p) p+3=qp+r/(2) wrong,, must be: ans: p=r-6/(2-2q) the third one: make the subject (r) p(r-q)=2+3(q-r) lacking parenthesis,, must be: ans: r=(2+3q+pq)/(p+3) the last one is wrong,, y=r-qp/(x) *transpose r to left side y-r = -qp/x *...
Tuesday, September 7, 2010 at 5:21am

12th grade maths
just like to check if ive got these right. if not can you help?? make the subject (q) p(q+r)=2(q-p) ans q=pr+2p/(2-p) make the subject (p) p+3=qp+r/(2) ans p=r-6/(2-q) make the subject (r) p(r-q)=2+3(q-r) ans r=2+3q+pq/(p+3) make the subject (x) y=r-qp/(x) ans x=r-qp/(y)
Monday, September 6, 2010 at 4:44pm

12th grade maths
just like to check if ive got these right. if not can you help?? make the subject (q) p(q+r)=2(q-p)ans q=pr+2p/(2-p) make the subject (p) p+3=qp+r/(2) ans p=r-6/(2-q) make the subject (r) p(r-q)=2+3(q-r) ans r=2+3q+pq/(p+3) make the subject (x) y=r-qp/(x) ans x=r-qp/(y)
Monday, September 6, 2010 at 4:42pm

12th grade maths
2x^2+6x-16 = 2(x^2 + 3x - 8) 14x^2-3x-2 = (2x - 1)(7x + 2) 6y^2 - 5y - 6 = 0 (3y + 2 )(2y - 3 ) = 0 y = - 2/3 or y = 3/2 8x^2-2x-1=0 (4x + 1)(2x - 1) = 0 x = - 1/4 or x = 1/2 p=5t-u/u I think you mean p=(5t-u)/u or else the u's would cancel up = 5t - u up + u = 5t u(p+1...
Monday, September 6, 2010 at 3:38pm

12th grade - Math
1. Factor by completing the square or the quadratic formula. However, factoring by trial and error is faster, noting that only a few rational factors are possible, namely x±1, x±2, x±3, x±4, x±6. 2. note that x is a common factor of all the ...
Wednesday, September 1, 2010 at 9:50am

12th grade - Math
The magnitude of a complex number is defined in the complex space where the real numbers are on the horizontal axis, and the complex (imaginary) part is on the vertical axis. The magnitude is defined to be the distance of the given point to the origin, namely for a complex ...
Wednesday, September 1, 2010 at 9:40am

12th grade
The series of H, Cl, and O acids are as follows: HClO4 = perchloric acid HClO3 = chloric acid HClO2 = chlorous acid HClO = hypochlorous acid The general rule is that the acid is stronger if it has more O atoms in a series such as this. HClO4, perchloric acid, is a very strong ...
Tuesday, July 27, 2010 at 11:29pm

Math, not "12th grade"
Work ~~> pi r^2 = 28.26​s.htm Then you'll have the radius (r) -- and you can double it for the diameter. A math teacher will double-check me.
Tuesday, July 20, 2010 at 9:45am

12th grade
I assume it must be 2HCl + S2 ---> H2S + Cl2 First, balance the equation (I already did it here) Then you convert the 20 grams of HCl into that amount in moles. Then you find out how many moles of sulfuric acid will be produced according to stoichiometry. Then convert the ...
Saturday, July 17, 2010 at 8:15pm

12th grade
80 000 + 38 250 + 26 500 = 144 750 80 000 + 38 250 = 118 250 0.16 * 118,250 = 18,920 144,750 - 18,920 = ?
Sunday, July 4, 2010 at 4:25pm

12th grade
Please understand that this is HELP site and not a DO site. Do what you can, asking specific questions on how we may HELP you. Here are some sites on body temperature. Look through them to see if anything is helpful:​&p=everything...
Tuesday, June 15, 2010 at 2:29am

12th grade
Technically, only one tiny speck of H2 (one molecule) is need for a reaction. I think what you meant is for a complete reaction to use the 7 g N2. N2 + 3H2 ==> 2NH3 You can use Avogadro's Law and use volumes (liters) directly. 7 liters N2 x (3 liters H2/1 liter N2...
Monday, June 14, 2010 at 12:46pm

12th grade
SQL Server is one tool:​al/create_a_database.cfm Sra
Tuesday, June 1, 2010 at 5:10pm

12th grade Shakespeare
You can find ideas in some of the following links:​&p=interesting+ways+Shakespeare+uses+lan​guage Sra
Wednesday, May 19, 2010 at 2:33am

12th grade
Try some of the information in the following sites:​&p=how+to+figure+the+cross+rate+between+​two+currencies Sra
Thursday, May 13, 2010 at 2:28am

12th grade
Try some of the following websites:​&p=why+is+damage+to+grey+matter+permanen​t+and+not+to+wh+ite+matter Sra
Thursday, May 6, 2010 at 2:11am

12th grade
I don't agree Anonymous. To solve 2nd degrees equations (aka find the roots of a trinomial function), you have first to put it to this form : ax² + bx + c = 0 (where a, b and c are reals) Then you have to calculate its discriminant (its delta) : Δ = b² - 4ac...
Tuesday, April 27, 2010 at 5:50pm

5th grade math
hi my name mickey as u can see am smarter than a 5 grade ok and am in the 6 grade so know u now ok
Tuesday, April 20, 2010 at 8:53pm

find my grade average
-10% of my grade *82 -20% of my grade *100% *100% *100% *100% *100% *100% *100% *100% *82% -30% of my grade none -40% of my grade *76% reply as soon as possible. thank you!!!!
Sunday, April 18, 2010 at 6:11pm

12th grade.physics
E=kq/r^2 and in the direction of r. Add these as vectors. If you are careful, you can use symmetry to simplify it. Here is a similar question on the symmetry issue.​0726327
Saturday, April 10, 2010 at 9:56am

12th grade research
First, indicate your subject in the "School Subject" space, so people expert in that area are more likely to respond. You will need access to the records of patients at the indicated hospitals and have some method of randomly selecting a sample from that population. ...
Wednesday, March 24, 2010 at 11:53am

12th. It's supposed to be pre-calculus, but I question whether it really is. I don't get it either.
Wednesday, March 24, 2010 at 10:11am

12th grade
Population: Patients at Toronto Hospitals(Population size-- 100,000) Topic: Quality of Service You are to conduct a survey on the above population to gather information upon the indicated topic. For this assignment, you must: 1.Describe a muti-stage sampling technique that ...
Tuesday, March 23, 2010 at 11:03pm

12th grade
pi/5 is greater than 0 and less than pi/2. Therefore it is in the first quadrant. Quandrants are counted counterclockwise from the +x asis. -pi/12 is less than pi/2 clockwise past the +x axis. That puts it in the fourth quadrant. -2 is more than pi/2 but less than pi radians ...
Sunday, March 21, 2010 at 6:29am

Math 157-1
Use the data in the grade-distribution Use the data in the grade-distribution table below to construct a circle graph showing the distribution of grade types in Ike’s class. Grade Frequency A 2 B 8 C 11 D 2 F 1 How would the graph change if there were twice as many of ...
Friday, March 19, 2010 at 10:01am

English, not "12th grade"​raphrase&ie=utf-8&oe=utf-8&aq=t&client=f​irefox-a&rlz=1R1GGGL_en___US357 Read up on how to paraphrase, and then give it a try. Re-post when you have tried to paraphrase this.
Thursday, March 18, 2010 at 9:57am

12th grade
A bicycle wheel has a radius of 0.330 m and a rim whose mass is 1.20 kg. The wheel has 50 spokes, each with a mass of 0.010 kg. a.) Calculate the moment of inertia of the rim about the axle. b.) Determine the moment of inertia of any one spoke, assuming it to be a long, thin ...
Wednesday, March 10, 2010 at 12:22am

classroom instruction
Search the Internet to locate and review your state’s educational standards for a grade level and subject that interests you, such as second-grade language arts or fifth-grade science. i need help finding information on the state of wisconsin and 1st grade P.E.
Thursday, February 18, 2010 at 10:37pm

Math - average grade
Does anyone know how to calculate average point grade? I have the following data: grade D - 2 students - 4,9 percent grade C - 6 students - 14,7 percent grade B - 12 students - 29,2 percent grade A - 21 students - 51,2 percent What is the average grade? This is NOT my homework...
Wednesday, February 17, 2010 at 10:32am

take 12th root of 2.84, you will need your calculator 1+x = 1.090879 x = .090879
Saturday, January 23, 2010 at 10:44pm

12th Physics
dam you i though it was already answered
Wednesday, January 13, 2010 at 10:03pm

12 days of christams
what are other names given for the 12th day of christmas?
Monday, January 4, 2010 at 7:59pm

12th grade american governmet
Research Ronald Reagan especially with regards to their foreign policy and foreign involvement during their administration. Identify 3 aspects of their foreign policy or foreign events they involved the US with. for each of the events explain where on the spectrum you believe ...
Wednesday, December 30, 2009 at 12:11am

12th grade English
Okay, I understand now. You have a good outline there for five paragraphs. Now back to your introduction. I would avoid starting sentences with because. Instead for your thesis, change the word because. For ex. Because some of the characters were hiding something it resulted ...
Saturday, December 26, 2009 at 6:08pm

12th grade English
Priscilla, I have to do 5 paragraphs, and let me see If I understand what you are telling which is that my intro was good but my body para. sucked, if so then I agree. Thing is I do not know how I would go about analyzing it without telling the story. BTW, my thesis is the ...
Saturday, December 26, 2009 at 1:33pm

12th grade English
Okay, I understand lol some teachers are like that but all we can do is just make the best of it. If it's an analysis essay then I wouldn't do a summary on the book but rather explain it and analzye it to detail. I notice you did that for the first paragraph which i ...
Saturday, December 26, 2009 at 1:02pm

12th grade Physics
The two charges at the 45 degree corners are each 1.0 m from the charge at the right angle. There are two perpendicular forces acting on the right angle vertex charge. Each has magnitude k Q^2/(1.0m^2) where Q = 1.0C and k is the Coulomb constant. (look it up) Add thse two ...
Wednesday, December 16, 2009 at 8:49am

From one of the Online Dictionaries: Main Entry: cleave !klEv Pronunciation: \ ˈklēv \ Function: intransitive verb Inflected Form(s): cleaved!klEvd \ ˈklēvd \ or clove!klOv \ ˈklōv \ also clave!klAv \ ˈklāv \ , cleaved, cleav·ing...
Sunday, December 6, 2009 at 2:18am

12th grade AP Politics
This sounds like a bipolar conservative teaching your class.​ml#interpret All ways to amend the constitution are legal if the Supreme Court says it is legal.
Monday, November 30, 2009 at 11:25am

12th grade math
5/2x + 1/4x = 9/4 + x Multiply both sides by 4x 10 + 1 = 9x + 4x^2 Bring all terms to one side of the equation. 4x^2 + 9x -11 = 0 Unfortunately, this equation does not factor. To get - 11, it factors into 11 and - 1 or -11 and 1. The other side (4x^2) can factor into both 2x ...
Sunday, November 29, 2009 at 10:29am

12th grade Trig
Are you trying to find theta ? if sec theta = 2 then cos theta = 1/2 the cosine is positive in the first and fourth quadrants. We are also told that sin(theta) is negative, so theta must be either in the third or fourth quadrants. Combininig the two conditions, we can say that...
Monday, November 9, 2009 at 5:12pm

Use the data in the grade-distribution table below to construct a circle graph showing the distribution of grade types in Ike’s class. Grade..Frequency A......2 B......8 C......11 D......2 F......1 How would the graph in Exercise 7 change if there were twice as many of ...
Sunday, November 1, 2009 at 4:34pm

Use the data in the grade-distribution table below to construct a circle graph showing the distribution of grade types in Ike’s class. Grade..Frequency A......2 B......8 C......11 D......2 F......1 How would the graph in Exercise 7 change if there were twice as many of ...
Tuesday, October 27, 2009 at 10:52am

12th grade english Read ALL the definitions, including the definition as a verb. It should be easy to come up with a sentence. If you still have trouble, look the word up at
Wednesday, September 30, 2009 at 7:45am

If you had a fractional stip of 12th's what fractional lengths could you make??? Thank You, ME!!
Tuesday, September 29, 2009 at 10:06pm

12th grade
We don't get to see the figure 3-39, but I assume that the angle 37° is an angle of elevation, that is, it is shot upwards. Resolve the velocity into the horizontal (cos37°) and vertical (sin37°) components. Without air resistance, the horizontal component will...
Tuesday, September 22, 2009 at 10:19pm

12th grade
A projectile is shot from the edge of a cliff h = 125 m above ground level with an initial speed of v0 = 115 m/s at an angle of 37.0° with the horizontal, as shown in Fig. 3-39 (a) Determine the time taken by the projectile to hit point P at ground level. (b) Determine the...
Tuesday, September 22, 2009 at 8:44pm

12th grade chemistry!!
All elements on the table are trying to get to the 8th column. Metals on the periodic table lose electrons. An example is aluminum. Aluminum needs three in order to reach the far right of the table. Don't move right, count three to the left. So you write Al +3. This is a ...
Tuesday, September 15, 2009 at 9:29pm

12th grade A.P.Economics
Identify the trade-offs and opportunity cost of a decision using a decision-making grid. I know how to make a decision-making grid to show the opportnity cost....but how do i identify trade-off and opportunity cost in the grid???? I don't get the question actually...plase ...
Wednesday, August 19, 2009 at 10:46pm

12th grade- Social Science
TOPIC: Affordable Health Care OVERVIEW OF TOPIC: Health care prices are high; private health insurance are not affordable to many people; many people have no health insurance and forego preventative health care CONTROVERSIAL QUESTION(S) REGARDING YOUR TOPIC: Who pays for ...
Friday, July 3, 2009 at 1:53pm

12th grade - English (World Mythology)
After you've read the entire piece, you'll be able to decide: Is his thesis statement the first sentence in the first paragraph or the last sentence in the first paragraph? The thesis statement is stating the MAIN IDEA for the ENTIRE PAPER. Use Ctrl + F and enter each ...
Tuesday, June 16, 2009 at 2:01pm

12th grade - English (World Mythology)
The website is: zarathushtra . com /z/gatha/dji/forward . htm What is Tagore’s main argument? Find a sentence or two that make up Tagore’s thesis statement and cite it here. What distinction does Tagore make between “blind obedience” and “the path of ...
Tuesday, June 16, 2009 at 1:22pm

12th grade​ubstitute
Tuesday, June 9, 2009 at 10:36am

12th grade Biology
Consider the following animals: Earthworm Flatworm. Frog. Jellyfish. Lamprey. Tuna. Create a table of fundamental traits for these six animals as a basis for building a cladogram. Use traits that are either present or absent in a given organism. Use the jellyfish as an ...
Tuesday, May 26, 2009 at 11:06am

12th grade
Area of the house to be painted = A Bill pains "B" area per hour John pains "J" area per hour So, A/B = 4 hours, and A/J = 7 hours => B = A/4 and J = a/7 B and J says how much area they can paint per hour. When both of them work together, assume it takes...
Thursday, April 23, 2009 at 10:24pm

12th grade math
Below is a set of at least two related math/science "words" with their letters combined and arranged in alphabetical order. When you successfully unscramble the letters into the component words, there will be can additional word that should be in the set. That ...
Friday, April 10, 2009 at 4:55pm

12th grade
This is a good analysis of the poem:​ection4.rhtml He is talking of his love who is frozen in time...never changing on the urn.
Tuesday, March 3, 2009 at 8:53am

12th grade
If you can find this in a library, it may help you:​llel-John-Milton/dp/1573834262
Friday, February 20, 2009 at 10:38am

12th grade
Rewrite it in modern English words that are easier to understand. The paraphrased version does not have to be a poem. It is a huge poem, as you probably know. It is ten "books" long with several hundred lines per book. I doubt is they expect to to paraphrase the ...
Friday, February 20, 2009 at 10:28am

12th gradeTOURISM
Monday, January 19, 2009 at 1:49am

1]What do u mean by: Philosopher's wool 2]what will happen if door of refrigerator is open 3]How can we increase life of Daniel cell?
Thursday, January 8, 2009 at 12:43am

12th grade
A Lesson Before Dying " I had gone to barbershops;I had stood on street corners, and i had gone to many suppers in the quarter.But i had never really listened to what was being said.Then i began to listen, to listen closely to how they taked about their heroes, how they ...
Wednesday, December 3, 2008 at 3:01pm

12th grade Biology
Q. decribe how it is metabolized and how many ATP are produced from each: a)fructose b)sucrose c)palmitic acid d)glycerol e)alanine f)glutamic acid g)aspartic acid i know that fructose produce 48 atps, sucrode produce 76 atps, palmitic acid produce 96atps glycrol produce 19 ...
Wednesday, November 26, 2008 at 6:49pm

12th grade calculus
your operate a tour service that offers the following rate: $200 per person if 50 people (the minimum number to book the tour) go on the tour for each additional person, up to a maximum of 80 people total, the rate per person is reduced by $2 it cost $6000 (a fixed cost) plus...
Tuesday, November 18, 2008 at 10:56pm

12th Calculus
f(x) = x^4 + 4x^3 + c , where c is any constant. Put in any c value you want. They would differ from each other by a vertical shift.
Tuesday, November 11, 2008 at 5:03pm

12th Calculus
let f'(x)=4x^3-12x^2 a. find three different functions with derivative equal to f'(x) b. find the behavior
Tuesday, November 11, 2008 at 3:51pm

find the 12th term of the harmonic secquence 1/2, 1/6,1/10...
Monday, October 20, 2008 at 5:13am

12th grade calculus
You forgot to say what point. However in general we find the derivative, dy/dx and call that the slope, m, of the tangent at the point. Then plug the x and y of the point in to get b in y = m x + b to get the derivative 2 x dx/dx +x dy/dx + y dx/dx - 2 y dy/dx = 0 or 2x + y...
Sunday, October 19, 2008 at 8:00pm

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