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Calculus (pleas help!!!)

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Calculus (pleas help!)
For what values of k is lim x -> INF coshkx/sin2x finite?

Calculus (pleas help)
Find the inflection points of f(x)=6x^4+34x^3−18x^2+10. (Give your answers as a comma separated list, e.g., 3,-2.)

Algebra
4(x-2)=7(1+2x) what is x pleas pleas help

Calculus (pleas help!)
Find constants a and b in the function f(x)=axe^bx such that f(1/8)=1 and the function has a local maximum at x=1/8. a= b= Please help me with this one...

calculus pleas pleas help, derivates
what is the derivative of x/tan(x) and find f'(pi/4) f'(x)=(tanx-x*sec(x)^2)/(tanx)^2 That's the quotient rule for derivatives or as my teacher says: Low,low, low D'High, minus High d'low all over low square that's the quotient rule. It's a song which helps. D'High or d'low ...

Calculus (pleas help!!!)
Find the formula for a function of the form y=Asin(Bx)+C with a maximum at (0.5,0), a minimum at (1.5,−4), and no critical points between these two points.

Calculus (pleas help I really need to check this)
Consider a window the shape of which is a rectangle of height h surmounted a triangle having a height T that is 1.3 times the width w of the rectangle. If the cross-sectional area is A, determine the dimensions of the window which minimize the perimeter. h=______ w=______ What...

Calculus (pleas help!!!)
Find a formula for a curve of the form y=e^((−(x−a)^2)/b) for b greater than 0 with a local maximum at x=−5 and points of inflection at x=−8 and x=−2.

Calculus (pleas help!)
For what values of k is lim x -> INF coshkx/sin2x finite? (Enter your answer as an interval or list of intervals, for example, (-infinity,3], (5,7). Enter none if no values of k will work.) Please help..

Calculus (pleas help!)
For what values of k is lim x -> INF coshkx/sin2x finite? (Enter your answer as an interval or list of intervals, for example, (-infinity,3], (5,7). Enter none if no values of k will work.) Please help..

Calculus (please help I really need to check this)
Consider a window the shape of which is a rectangle of height h surmounted a triangle having a height T that is 1.3 times the width w of the rectangle. If the cross-sectional area is A, determine the dimensions of the window which minimize the perimeter. h=______ w=______ What...

Calculus
A particle travels along the x-axis so that its velocity is given by v(t)=cos3x for 0<(or equal to)t<(or equal to)5. When t=0, the particle is at x=5. a. What is the smallest x-coordinate of the particle? b. What is the total distance traveled? c. At what t is the ...

Calculus (pleas help!)
Find the slope of the tangent line to the ellipse x^2/36 + y^2/49 =1 at the point (x,y). slope =_______ Are there any points where the slope is not defined? (Enter them as comma-separated ordered-pairs, e.g., (1,3), (-2,5). Enter none if there are no such points.) slope is ...

help
pleas help me soon ihave examnation on that

Maths
3(3-4d)=57 could you pleas show method thanks

math
1 3/5 - 5/6 =8/5 - 6/5 =2/5 or is it =1/3/5 - 5/6 =48/30 - 25/30 =23/30 I don't know which one is right. Pleas e help!

algebra 2
pleas help me with my home work 00703600

math problem
pleas write interval notation 7<x<13

History West Civ.
What were some of Pope Urbans Pleas?

chem
What is the chemical formula of fertilizer 13-13-13. Pleas tell me. Thanks a lot

Math
What is the formula of trapezium of altitude.answer this question pleas.e

Math
What is the formula of trapezium of altitude.answer this question pleas.e

Math
What is the formula of trapezium of altitude.answer this question pleas.e

Engineering Maths
Pleas help solve the ffg. differential equation: dy/dx-(1+1/x)y=y^2

Calculus (pleas help I really need to check this)
Assume that each of the follwing functions gives the position of an object at time t. Find the velocities indicated by setting up and evaluating a limt algebraically. (a) s(t) = 3t^2, Find v(-1). (b) s(t) = 1/t , Find v(2). (c) s(t) = square root of t, Find v(1). The answers ...

Calculus (pleas help!)
Consider the function f(x)=12x^5+60x^4−100x^3+4. For this function there are four important intervals: (−INF,A], [A,B] ,[B,C] , and [C,INF) where A, B, and C are the critical numbers. Find A, B, and C. At each critical number A, B, and C does f(x) have a local min...

trigonometry
express secA in terms of cotA? can you pleas say how to solve this??

Math 8 - help!
Write the equation of the line that passes through the points (1,6) and (-1,-2) pleas help

Pleas Check More Of My Work(MathGuru)
1. Which line is the flattest (or is less steep)? Why? a.

English
Help me pleas!!! I need to write a good story (150-200 words)

SOCIAL STUDIES
Who is affected by the Florida Cession? What is the orgin (country)of the Annexation of Texas? Pleas Help!

SOCIAL STUDIES!!
Who is affected by the Florida Cession? What is the orgin (country)of the Annexation of Texas? Pleas Help!

chemistry
Pleas does any one know how to calculate the number of isomers of an organic compound. Any formula pls

psy285
People with long hair do better on an audio memory test is this a causation or correlation, pleas help

algebra
Pleas help with this. Explain the steps so I can understand what I am doing. solve 0.3x + 9<_ 0.7x -8 the solution is {x|x ? ? } _ this line is suppose to go under the 9 but I don't know how on computer do you?

Math
how to multiply amd simplify of -8/63 x 21/32 x -9/42 = Pleas show work or give examples of simular problems

math
solve the inequality, write answer using interval notation pleas show the work 50/x+4+1<4x

Social studies
Ms.sue you know the question I wrote yesterday could give me the starting point of that story pleas

Calculus (pleas help!!!)
Let p(x)=x^2(a−x), where a is constant and a greater than 0. Find the local maxima and minima of p. (Enter your maxima and minima as comma-separated xvalue,classification pairs. For example, if you found that x=−2 was a local minimum and x=3 was a local maximum, ...

biology
Help me to understand diverse organism! Pleas also include website that help you become better at taking notes. Thank you..

chemistry
What is the balanced equation for the combustion of 1.00 mol of camphor, C10H16O(s). I searched the web, but cant find anything, can someone pleas help?

English paper
i need to come up with a symbol for the them of "When you put effort into reaching your goals, you can succeed." but i cant think of any! pleas help! its due 2morrow!

physics
bobpursley pleas put more details on how you got your answers to my previous physics questions... thanks

Math (ms sue or Kuai pleas e help)
The "4" ranch is 7680 acres. It is a rectangle that is a mile longer than it is wide. What are the dimensions of the ranch?

Math
A photocopier copies 80 pages in 4 minutes. How much time will he take to copy 200 pages? Can someone pleas explain how to do it.

Math desperate
If you could select another number to represent the number of minutes in an hour, what would be a good choice? Why? I am not sure what to chose so I need help Pleas help me

Social studies
I want to answer that question but i can't understand it. I'm also not really expecting anyone to reply back butt pleas if you do can you make it very detailed so i can understand it.

Social studies
Ms.Sue but how do I make all of this information into a big huge story. Could you give me the starting point. And could you tell me a place which actually matches the info. You gives me pleas.

Algebra
Can someone pleas give me an example of a nonlinear function with 2 inputs? I have to provide 5 problems for class and have no idea where to begin or how to set up the problem.

Physica
If the length of a wire is doubled and its cross – section area decreased to half ,the resistivity of the wire becomes the same ( put true or false) pleas drwls

Physica
If the length of a wire is doubled and its cross – section area decreased to half ,the resistivity of the wire becomes the same ( put true or false) pleas drwls

Calculus (pleas help!!!)
Let f(x)=e^(2x)-kx, for k greater than 0. Using a calculator or computer, sketch the graph of f for k=1/9, 1/6,1/3,1/2,1,2,4. Describe what happens as k changes. f(x) has a local minimum. Find the location of the minimum. x= ____ Find the y-coordinate of the minimum. y= _____ ...

physics (check my work pleas)
A 5.00kg ball is swung at the end of a 1.25 m chain with a w of 2.0s^-1. Find the balls a)V (m/s) b) KE 1/2mv^2 c) I, inertia d) Ke with I e) Fc--> centripetal force Work a) v=rw v= (1.25m)(2.0s^-1) v= 2.5 m/s b) 1/2 mv^2 (.5)(5)(2.5)^2 c) I=mr^2 = (5)(1.25)^2 = 15.6 d0 =.5...

CHEM
a period 2 nonmetal, X, forms the molecular compound NX3. Which of the following are also correct formulas for molecular compounds involving X? HX OX2 C2X pleas explain why thank you so much

books
"Hi. This is my first time here. Anyway, what do I do to answer this statement?- 'Discuss the the narrator's success in the context of this statement. (Statement: How can a mother's pleas... [Source: The Pact])'"

Economics
My teacher give an investigation. Topic is easay of poverty include characteristics of poverty and the causes of poverty. Please anybody who can help me, i'm ready for a help pleas by the grace of god i nead a help.

Algebra
(x^-2)^3 (x^2)^4 on the bottom its x^15 I did this to get my answer (x)^-6 (x)^-8 /x^15 got x^-4 / x^15= x-14-(15)= -29 final answer is x^-29 IDK what I did wrong the computer saying its wrong! Help pleas

Science
I am doing an Animal project , I need a picture to show how an animal had bilateral symmetry! I couldn't find any pictures that could actually show that. Can you pleas help me? Thank you

chemistry ap!!!
Neutron diffraction is an important technique for determining the structures of molecules. Calculate the velocity of a neutron needed to achieve a wavelength of 0.989 Å. i used the equation and got 4.37, but its not right! pleas help someone

Outside of School (question)
What kind of activities I can do outside of school????? Pleas list if you have any ideas. Thank YOU! :)

Civics
10.   In states, cities, and townships, traffic courts are courts of limited  A. appeal. B. jurisdiction. C. pleas. D. claims.  Sis and me thought it is jurisdiction. Are we correct?       

math
what can ido to my home work, pleas, helme. it is pass by tomorrow and I so nervos, because I didn't now., my home work is about sequences., GIVEN: 1. 3n-5 2.3(2n-1) 3.-5 over are 4.5-n sq

english
hi can someone please pleas help me. All I need is a thesis for this question that I am writing an essay for. Analyze the impact of the Atlantic trade routes established in the mid 1600's on economic development in the British North American Colonies.

QUICK! BE THE FOURTH PERSON TO CLICK TO WIN BIG $!
Sorry to trick you, but it is for a survey, if you clicked pleas post a comment, I am trying to figure out how many people fall for things like this that are only viruses for my tech. class. Thanks!

Math
Bill is making 22 small pizzas for a party. He has 16 cups of flour. Each pizza crust takes 3/4 cup of flour. Does he have enough flour? Pleas show why your answer is correct.

Math
If there are forty new students in a class and the students have to shake each others hand once, how many hand shakes will occur? Pleas help me i am confused.............:(:( i need a formula

Math
Calculate the simple interest on each amount the total amount at the end. A deposit of $2550.00 that earns 3% interest over 30 months. Pleas show your steps! Thankyou (:

Calculus (pleas help!!!)
Find the absolute maximum and absolute minimum values of the function f(x)=(x−2)(x−5)^3+11 on each of the indicated intervals. Enter -1000 for any absolute extrema that does not exist. (A) Interval = [1,4] Absolute maximum = Absolute minimum = (B) Interval = [1,8...

Calculus (pleas help!!!)
Find the absolute maximum and absolute minimum values of the function f(x)=(x−2)(x−5)^3+11 on each of the indicated intervals. Enter -1000 for any absolute extrema that does not exist. (A) Interval = [1,4] Absolute maximum = Absolute minimum = (B) Interval = [1,8...

Global history
The age of imperialism was marked by A. A decrease in the number of naval ships. B. The expansion of American political influence C. An increase interest in the plight of day laborers D. The reduction of military intervention in other countries I think the answer is b or d. ...

math12A TRIG pleas help
a farmer wishes to fence a field in the form of a right triangle.If one angle of the right triangle is 43.2 degree and the hypotenuse is 200yard,find the amount of fencing needed.

Calculus (pleas help!!!)
A) If x^2+y^3−xy^2=5, find dy/dx in terms of x and y. dy/dx=________ B) Using your answer for dy/dx, fill in the following table of approximate y-values of points on the curve near x=1 y=2. 0.96 ______ 0.98 ______ 1.02 ______ 1.04 ______ C) Finally, find the y-value for ...

Calculus (pleas help!!!)
Water is leaking out of an inverted conical tank at a rate of 1100.0 cubic centimeters per min at the same time that water is being pumped into the tank at a constant rate. The tank has height 15.0 meters and the diameter at the top is 5.0 meters. If the water level is rising ...

Chemistry
If we have solution of 4g CH3COONa and 4g NaOH obtained NaCl with efficiency 90% we have to calculate pH oh Nacl and we know that Ka= 1.8x10ˆ-5. Pleas help me i have exam tnext weak Im strudent but I don't undestant this???

English
Similies 1. As innocent as a lamb Metaphors 1. Love is a lemon-either bitter or sweet 2.Life is a mere dream,a fleeting shadow on a cloudy day Idioms 1. a chip on your shoulder 2.a house divided against itself cannot stand can you tell me what each mean pleas and thank you

Pre-Calculus/Calculus
I am too embarassed to ask this Calculus (really pre-calculus) question in tutoring, because I know I should know. Is the inverse of f(x)=3x-1 actually f(x)=1/3x+1? How do I find it? What if it asks the same equation replaced with f to the -1 power (x)? I think I know how the ...

maths
helpp! i am very confused on how to roundup decimals with 1st significant figure, 2nd figure and third figure.These are the decimals : . 6.35228 . 34.026 . 0.005708 . 150.932 . 0.00007835 Pleas guide me through so I will know what to do.

Algebra
Can you pleas Solve the quadric equation step by step 4x square =13x+2 4x^2 = 13x + 2 subtract 13x and 2 from both sides 4x^2 - 13x - 2 = 0 Now use the quadratic formula, since it does not factor.

science
the quetion says "f the half life of Americium-241 is 433 years, &your sample size is 80 grams, how much will remain after 1,732 years?" i don't quite understand how to solve this problem... PLEAS HELP. SOS (gotta test 2morrow, and don't really know how to do these problems ...

7th grade
I created a food chain with three organisms corn,cow,and humans. Can only pleas tell me if I can make a food web out of my chain and what other organisms would i add?

adult education
I WANT TO WRITE ESSAY describing what us government should do for new orleana and Haiti haveboth brought forth pleas for american aid;oil spills in gulf statesare creating enviromentalconcernes . the wars are causing loss of life . and where you believe taxpayer dollars shauld...

Chemistry (pleas help!)
A radio wave has a wavelength of 1.0 km. What is the radio frequency? 0.30 MHz 300 KHz 3.0 MHz 30 KHz

Finite Math
Fifty percent of students enrolled in calculus class have previously taken pre-calculus. Thirty percent of these students received an A for the calculus class, whereas twenty percent of the other students received an A for calculus. Find the probability that a student selected...

Constitutional
Under the Fifth and/or Sixth Amendment, a person has the right to counsel during each of the following stages EXCEPT: A. guilty pleas and sentencing. B. appeals as a matter of right. C. misdemeanor trials when imprisonment is actually imposed. D. appeals to the Supreme Court. ...

physics
in a game a toy car slides down a slop if the top of the slope is 2 m higher than the foot of the slope how fast will the car be moving when it reaches the foot assume that all of its g.p.e is transformed to k.e (i'm 8th grade so simple answers pleas)

World history
Pleas help? In what ways were the Indus Valley people an advanced civilization? In what ways did their civilization compare to an advanced modern civilization today?

English
The smugglers stood before the judge, who was known for her strict manner, and entered their pleas with feint hopes that the evidence would not prove their guilt. Which of the following homophones should be used to correct the error in the sentence above? A. Gilt B. Faint C. ...

Chemistry
BrO3- + 5Br- + 6H+ <--> 3Br2 + 3H2O If 25.0 ml of 0.200-molar BrO3- is mixed with 30.0 ml of 0.45-molar Br- solution that contains a large excess of H+, what is the amount of Br2 formed, according to the above equation? The answer is 0.00810 moles but I don't know how to...

Math
A scientists income over 3 years was $72,000, $76,000, and $77,000. He won an award the next year, so his income was $1,080,000. By how much does the outlier increase the scientist mean annual income? Pleas help me and work out the problem

Calculus
What is the use of Calculus? How is it use in jobs? What jobs use Calculus? Calculus is used in engineering, economics, any physical science, and in business (e.g., actuary studies and statistics).

English
"You should just go somewhere. You ruined our relationship, and I don't want to talk to you anymore," Bertha said to Mitchell as he begged her for forgiveness, "But, Bertha, you are the best girl in the world. You make my dreams come true." Bertha ignored his pleas. I think it...

Math ?
Pleas Help! I need to finish my project but I don't understand what there asking regarding a jacuzzi. I think measurements is needed for a cyclinder shape at the 3ft deep with people sitting, six people seating 2"wide, volume of water is 150 cubic ft total. How much volume, ...

Vocabulary
How could I use the word charecter in a sentence? Charecter as in a letters characters. And how could I use the word calligrapher in a sentence? And writetecher, pleas don't answer my questions because your not giving me any help at all. And I am a 4th grader.

Algebra Grade 7
Newtown is 522 km west of Jamesburg. Pottsville is 356 km east of Jamesburg and 928 east of Mayfield. How far and in what direction is Newton from Mayfield? Pleas help me,thank ya. ♥dino♥

Calculus (pleas help I really need help with this)
Consider a window the shape of which is a rectangle of height h surmounted a triangle having a height T that is 1.3 times the width w of the rectangle. If the cross-sectional area is A, determine the dimensions of the window which minimize the perimeter. h=______ w=______ What...

Algebra please explain!!!
A boat costs $92,000 and depreciates in value by 15% per year. How much will the boat be worth after 10 years? 18,112.45 78,200 18,941.98 69,000 Is the answer the first one? Could somebody write down the steps for me please? Pleas help asap! Thanks

math
Aarthi borrowed $18,500 at 5%p.a from her father tostart her software business. at the end of 3 months she paid him $5,000 and $6,000 at the end of 8 months. how much would she have to pay him at the end of 16 months to clear the balance? pleas answer!

HCA210
How do health care facilities use electronic (or computerized ) medical records(EMR)? Pleas tell me if this is right They use EMR medical records for patient safety , such as physician orders,exam and test reports are a legal document.

Physics
This is the last time I'm posting this question. So pleas don't get mad. How many atoms of hydrogen are in 220 g of hydrogen peroxide (H2O2)? (220)/(34) then i multiply that # with 6.02E23 then again i multiply that # with 2 to get the number of hydrogen atoms. no luck:-(

physiscs
A 10g sample of an unknown ionic compound is dissolved, and the solution is treated with enough AgNO3 to precipitate all the chloride ion. If 30.1 g of AgCI are recovered, which of the following compound could be the unknown? A. NaCI B. NaNO3 C.BaCI2 D. Mg CI2 E.KCI Pleas help...

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