Calculus (Answer Check)
88,703 results, page 78

Calculus
What is y=2/7x1 in standard form? 
Calculus
What is the function y (x) if it statisfies Y"=6 y'(1)=4 and y (1)=6 
calculus
Evaluate the integral. from 1 to 5 (ln(x))^2/x^3 dx. 
Calculus
Find f if f''(x)=2+cos(x) f(0)=5 f(pi/2)=−3 
Calculus
Find the derivative f'(x)= : f(x)=∫[2,x] ((1/2)t^21)^8 dt 
Math  Calculus
g(x)=∫[6x,3x] (u+2)/u5) du Find g'(x) 
PreCalculus 12
how to graph y= (x^23x10)/(x2) 
PreCalculus 12
how to solve 3^(x2) = 5^x 
Calculus
What how do you compute the sum of 1/2 + 1/4 + 1/8 + 1/16 + 1/32 +++ 1/2N ? 
Calculus
What how do you compute the sum of 1/2 + 1/4 + 1/8 + 1/16 + 1/32 +++ 1/2N ? .. 
calculus
Differentiate the function. f(x) = e^7 
calculus
Differentiate the function.((x^2)((3x^2)(ln(4x))))/(x^6) 
Calculus
A function has f''(x) = 10 and has f'(4) = 0 and f(2) = 4. Find f(x). 
Calculus
A function has f''(x) = 10 and has f'(4) = 0 and f(2)= 4. Find f(x). 
Calculus
A function has f’’(x) = 10 and has f’(4) = 0 and f(2) = 4. Find f(x) 
calculus
y= x / (x^2+x) what are the discontinuities on this graph ? 
Calculus
Find d/dt integral[2 to x^2](e^x^3)dx 
physics
You have a parallel plate capacitor (with air between its plates) which is attached to a voltage source until the capacitor is fully charged. (a)After detaching the capcitor from the voltage source, you move the capacitor's plates farther apart; which of the following will ... 
Economy
The Good’n’Fresh Grocery Store has two checkout lanes and four employees. Employees are equally skilled, and all are able to either operate a register (checkers) or bag groceries (baggers). The store owner assigns one checker and one bagger to each lane. A lane with a ... 
English (Check)
1.Read the sentence below: Your anger at the game's final score is as my despair for my exam scores. What type of figurative language does this sentence use? A.Allusion B.Analogy C.Hyperbole D.Simile**** 2.Read the sentence below: Simplicity is to garden design as symmetry is ... 
Physics  Charged objects (check + help)
Three charged objects are located t the vertices of a right triangle. Charge A (5*10^6) has Cartesian coordinates (0,4; Charge B (5.0*10^6) is at the origin; charge c (+4.0*10^6) has coordinates (5,0), where the coordinates are in meters. What is the net force on each ... 
ENGLISH
I need to make sure I understand this. I need to rewrite each sentence twice, once as a periodic sentence and once as a cumulative sentence. To me, both look like cumulative sentences though, so I am a little confused. If someone could check my work I will be very grateful. 1)... 
LeadershipCheck #2
Please check my new copy: I believe the essential qualities a leader must possess are to set a vision and to be able to lead. A leader must be able to set a vision to seek for improvement and change the mistakes. A leader must be able to set a vision for improvement to make ... 
Chemistry II
Hydrochloric acid (77.0 mL of .267 M) is added to 236.0 mL of .0730 M Ba(OH)2 solution. What is the concentration of the excess H+ or OH ions left in the solution? Done two of these. They are all alike. Use the template from the previous problem. Post your work if you get ... 
U.S History  can u help to check my answer :)
Document B “An insinuation had fallen from the gentleman from Tennessee (Mr. Grundy) that the late massacre of our brethren on the Wabash [at Tippecanoe] had been instigated by the British government. Has the President been given any such information? Has the gentleman [... 
Literacy 3
Please Check my work. Thank you. 6. To avoid plagiarism in you written research paper, you must provide a citation for which of the following? A. The United Nations ruling on the Sovietbloc countries B. The date the berlin Wall was pulled down by a crowd in Germany C. ... 
Writing this equation
how do I write the equation of a line perpendicular to the line 6x – 3y=10 and containing the point (6, 2). The line you are given can have its equation rewritten im y = mx + b as: y = 2x  10/3 That tells you that is slope is m = 2. A line that is perpendicular to that ... 
bobpursley, drwls. ms. sue Writeacher
When a second post is made to a question, the most recent is now at the bottom. Do any of you prefer the way it was, or do you like this better? I prefer to have the answers shown in the order they were posted. The second answer may clarify or add information to the first post... 
chemistry
1) Starting with 75.00 g of 1propanol and 75.00 g of PCl 3. Calculate the theoretical yield of 1chloropropane. 3CH3CH2CH2OH + PCl 3 > 3CH3CH2CH2Cl + H3PO3 Answer in terms of grams. the answer that i got is 98.12, is this right and how many sig figs should it be? 2) What... 
math,correction ,
can someone correct these for me please... Remove the parentheses. (3x+5y) My answer: 3x5y Find the value of the polynomial x^2+3x1 when x=4 My answer: 5 multiply. 10x(4x7) my answer: 40x^270x all correct. awsome.....thank you...i just want to make sure.... 
Algebra
Hi jiskha! I was wondering if anyone could answer this ~fun~ question. f(x)=5x^22x+3 and g(x)=4x^2+7x5. I have to find f+g. For my answer, I got 12x^4+2x+2, while the answers in my packet said 9x^2+5x2. Could anyone explain this? (Unless I wrote down the wrong answer in ... 
12th grade chemistry
Thanks for your answer DrBob. I am still stumped.The question I was asked to answer is Do acetic acid and stearic acid undergo controlled oxidation reactions? Explain why/why not and draw an equation to illustrate the answer. 
math(advanced algebra&trigonometry)
If θ is an angle in standard position and its terminal side passes through the point (−3,2), find the exact value of cscθ . I know the answer...but i want to know how you get the answer... The answer is radical 13/2 
Chemistry
A first order reaction has a rate constant of 0.0733 s−1. What is the half life for this reaction in seconds? when I plug in the numbers in the formula, my answer was 9.45. But on the computer it says the answer is wrong. How do I find the right answer? 
Math (putting the question back up, again)
 5/8c = 20 Answer choices: 34 . 32 . 34 . 32 I keep getting 100, I think I'm multiplying something wrong. But my next answer would be 32 because if you did 8/5 x 20 it would equal 32,am I right? 12.8 = 4t *not multiple choice* but my answer is 3.2 because 12.8/4 . 
Trigonomrtry
I had asked help for a question and Steve gave me this answer on how to set up equation 20x/6.11=tan28 degrees The answer is approx 16.75 ft. I still don't know how to do this! When I do it I get different answer. Could you please break this down step by step so I can ... 
math
Another problem that I am disagreeing with the answer key  I am once again solving for b 9 = 24/7 + b I add 24/7 to both sides to get 9 + 24/7 = b When I make 7 my denominator for both I get 63/7 + 24/7 = b My final answer is 39/7 = b The answer book says it's positive ... 
physics
i dont know what the answer is... i got itwrong my answer was 1.78. whats the correct answer? A 57kg trampoline artist jumps vertically upward from the top of a platform with a speed of 4.7m/s. How fast is he going as he lands on the trampoline 3.8m below? 
Calculus
A smoke detector contains 0.2 mg of Americium 241 (Am241), a radioactive element that decays in t years according to the relation m = 0.2(0.5)^(t/432.2). Where m is the mass, in milligrams, remaining after t years. A) The smoke detector will no longer work when the amount of ... 
Calculus
A smoke detector contains 0.2 mg of Americium 241 (Am241), a radioactive element that decays in t years according to the relation m = 0.2(0.5)^(t/432.2). Where m is the mass, in milligrams, remaining after t years. A) The smoke detector will no longer work when the amount of ... 
CALCULUS
A smoke detector contains 0.2 mg of Americium 241 (Am241), a radioactive element that decays in t years according to the relation m = 0.2(0.5)^(t/432.2). Where m is the mass, in milligrams, remaining after t years. A) The smoke detector will no longer work when the amount of ... 
Calculus
Score for Question 2: ___ of 40 points) For the polynomial (x)=x^55x^4+12x^324x^2+32x16 , answer the following questions. Show all of your work. How many zeros does the function have over the set of complex numbers? What is the maximum number of local extrema (maxima or ... 
physics
Question Part Points Submissions Used 1 2 3 4 5 –/5 –/5 0/5 –/5 2/2 0/10 0/10 1/10 0/10 2/10 Total 2/22 A block of mass m = 2.00 kg is released from rest at h = 0.400 m from the surface of a table, at the top of a θ = 35.0° incline as shown below. The frictionless ... 
Algebra
Can someone verify if my answers are correct? Solve. 1/x+61/x6 My answer is: 12/x^236 Solve. 1/x+5+2=5/x+5 My answer is: 3 Subtract. Express your answer in simplest form. 13x/304x/15 My answer is: x/6 Can someone verify if my answers are correct? Solve. 1/x+61/x6 My ... 
History
British troops were out moving across the back bay. In Concord and Lexington, trained militiamen were waiting to respond. Where and approximately when is this? Check this site for your answer. Note: the Back Bay is in Boston. http://www.kidport.com/REFLIB/UsaHistory/... 
English
Please check my answers! I'm like 92.7% sure there correct but I want to be sure. My answer has the ~~~. Which of the following is the indirect object in the sentence? Lizzie gave Charles a hige birthday gift. A.Lizzie B. Charles~~~ C. Huge D. Gift Which of the following is ... 
Calculus
Which of the following integrals cannot be evaluated using a simple substitution? the integral of 1 divided by the quantity x squared plus 1, dx the integral of 1 divided by the quantity x squared plus 1, dx the integral of x divided by the quantity x squared plus 1, dx (MY ... 
french
Can you check my paragraph and make sure its grammatically correct in passé composé? Paragraph: Je suis allé à l'église hier. Après la messe, je suis allé en ville pour chercher quelque chose dans le magasin. Moi et ma famille sont allés manger au restaurant restuarant... 
Math
1. Solve the proportion: z z+9  =  3 12 A. 4 b. 3 c. 2 d. 1 my answer is c ? 2. Solve the proportion: 16 = 8   4d+2 3 A. 1^ 11  12 b. 1^ 1  3 c. 1 d. 2 My answer is D ? 3. A solution contains 2.2 liters of water. Convert this measurement to milliliters. A. ... 
english
perseverance,expanse,stifle,weary,writhe,premises 1.In order to meet their goals,Olympic hopefuls require persistence as they train and(perserance) in the face of obstacles. 2.Readers must leave library(expanse)by the stated closing time unless permissions for after hour ... 
Government Check
What is the primary claim made by those who oppose hate crimes legislation? a)There is no way to catch all perpetrators of hate crimes, so all perpetrators should be punished equally. =b)There is no way to determine the motivations behind a crime, so all criminals should be ... 
English2 revised
Question In what ways are fullsentence outlines more beneficial than topic outlines? If someone asked, ¿Wouldn¿t it be simpler just to write your paper than to create a fullsentence outline?¿ how would you answer? Explain your response. What steps will you take to turn ... 
Calculus PLEASE HELP
A rectangular piece of tin has an area of 1334 square inches. A square tab of 3 inches is cut from each corner, and the ends and sides are turned up to make an open box. If the volume of the box is 2760 cubic inches, what were the original dimensions of the rectangular piece ... 
Calculus II: Finding the volume of a revolution
Question: Find the volume of revolution bounded by yaxis, y=cos(x), and y=sin(x) about the horizontal axis. Since the rotation is happening at the horizontal axis, I thought the limits of integration would be [1,1] and if the curves are rotated they would over lap so i used ... 
Grammar
Circle the nouns that can be used with the adjectives on the right , Developmentenvironmentfigures. (Recent) Answer:development and environment Crisissupplyestimates. (Reliable) Answer:supply and estimates Awarenesstheoryconcern. (Public) Answer:Awareness and concern ... 
4 CALCULUS study problem
1. How fast does the radius of a spherical soap bubble change when you blow air into it at the rate of 15 cubic centimeters per second? Our known rate is dV/dt, the change in volume with respect to time, which is 15 cubic centimeters per second. The rate we want to find is dr/... 
Math
How do you solve this? I posted this question last night and someone answered but it wasn't the right answer. I have tried so many times and still can't get the right answer. the right answer is suppose to be 15/2 5/61/3+ 7/8/(1/2)^3 Thank you for your help!! 
Calculus
Boats A and B leave the same place at the same time. Boat A heads due North at 12 km/hr. Boat B heads due East at 18 km/hr. After 2.5 hours, how fast is the distance between the boats increasing? You are looking at a rightangled triangle, let S be the distance between them ... 
calculus
hi! just needed help on an FRQ for ap calculus ab. let me know if you have any questions for me. I'm just really confused as far as what I am meant to do. If you could walk me through it that would be amazing. THANKS!! A population is modeled by a function P that satisfies the... 
Calculus
i was just wondering if the limit of a funtion exists as it approches a value if both the right side limit and the left side limit both equal the same infinity ( postive inififnty for both sides, or negative infinty for both sides). i know that if one side is negative infinity... 
Electrolytic Cells
Hey...can u check my two answers for a and b and can u help on the rest? 8. An electrolytic cell consisting of an aqueous solution of NaCl is set up. Answer the following. a. What is the strongest oxidizing agent present? My answer: Na; sodium b. What is the strongest reducing... 
Math: Calculus  Vectors
A plane flies on a bearing of 120 degrees at a constant speed of 550 km/h. If the velocity of the wind is 50 km/h on a bearing 220 degrees, what is the velocity of the plane with respect to the ground? Textbook Answer: 543.5 km/h at a bearing of 125.2 degrees My answer: 543.6 ... 
Math check
The number of ships to arrive at a harbor on any given day is a random variable represented by x. The probability distribution of x is as follows. (Give your answers correct to two decimal places.) x 10 11 12 13 14 P(x) 0.37 0.09 0.05 0.14 0.35 (a) Find the mean of the number ... 
Check my CALCULUS work, please! :)
Question 1. lim h>0(sqrt 49+h7)/h = 14 1/14*** 0 7 1/7 Question 2. lim x>infinity(12+x3x^2)/(x^24)= 3*** 2 0 2 3 Question 3. lim x>infinity (5x^3+x^7)/(e^x)= infinity*** 0 1 3 Question 4. Given that: x 6.8 6.9 6.99 7.01 7.1 7.2 g(x) 9.44 10.21 10.92 11.08 ... 
algebra
1)Find the exact solutions to 3x^2=5x1 using the quadratic formula. answer=5 plus or minus the square root of 37 over 6 2)Use the discriminant to determine the number and type of roots for the equation 2x^27x+9=0 answer=2 complex 3)Identify the vertex,axis of symmetry,and ... 
Algebra 1
Can you check this one for me. Evalute the polynomial for x=1. 2x^22x+4 When x=1, 2x^22x+4=8 
math help
can someone check and see if i did this right x+2y=8 xx+2y=8x 2y=8x 2y/2=8/2x y=4x y=4x/2 y=41/2x 
math
can someone check my answers if f(x)=4x3 find f(1) f(1)=4*(1)3=43= 7 
algebra
Factor  check by multiplying Is this right? x^26x = x^2(x6)??? 
algebra
Factor: check by multiplying x^26x Is this correct? x^2(x5) 
Algebra
synthetic division find f(2) f(x)=2x^4+4x^3+2x^2+3x+8 2 2 4 2 3 8 4 0 4 2 2 0 2 1 10 f(2)=10 check f(x)=2(2)^4+4(2)^3+2(2)^2+3(2)+8 f(x)=10 
math
please check. thanks. (8.3 x 10^15) (7.7 x 10^4) = 6.391 x 10^10 Is that right? 
Algebra  check to see if correct
(a+7)/(a4)+(95a)/(a4) i got 6+40/a4 
Reiny
Can you check back at my last post again? Thanks. 
Math
3/4(5/x1/2)5/3<1/3 3/20x815<1/3 Check this for me where didi I go wrong 
To Ms. Sue
please check my latest post, thanks 
math
how do i find the product. Extimate to check or 0.5 x 28 
Algebra
Could you please check my work? 3/(x7)=2/(2x+1) 3(2x+1)=2(x7) 6x+3=2x+14 x=4.25 I appreciate it. 
Math
Solve the equation and check your solution. Thank You 3/v= v/2v+9 
math
how do i write $3,337.55 on a check in words on? 
mathplease check
is the solution to 2x^24x+5... 1(+/)((sqrt6)/2)i ?? 
algebra
explain how to check a solution of an equation. 
science
Okay, I will check back later. Thank You Ms. Sue!! 
math check me
Solve the inequality for x. 16 <= 4x+4 I get x>=3 Is that right? 
Algebra 2
How can you check if 3+i is a zero of the equation x^46x^3+6x^2+24x40? 
Algebra
Can someone check my answers? 1. 3/c  4/3c = 5/3c 2. 3t/t4  2t+4/4t = 2t4/t4 3. z/3z^2 + 4/7z = 19/21z 4. 5x/2x6 + x+2/3x = 4x2/2x6 or 2(2x1)/2(x3) 
Math
Divide and Check 4x^4y8x^6y^2+12x^8y^6 _______________________ 4x^4y 
math's
how do you check a Pascal's triangle with a calculator. 
statistics
Why should we check if your data is binomial? 
English
Could you please check these other sentenes. Thank you. 
Math.
Can u check these: 56% of 144 = 80.64 81% Of 63. = 51.03 43% of 92. = 39.56 3%. Of 200 = 6 17%. Of 360 = 61.2 22% of 84 = 18.48 
precalcus will someone check my homework
f(3)=3/8 and (f2)=12 MY SOLUTION F(2)=ab^2 = 12 F( 3)=ab^ 3 = 3/8 b^5 = 12 * 3/8 = 32 b=2 12 = a(2)^2 12 = 4a a =3 f(x)=3(2)^x 
math12
solve. check for extraneous roots.3^2x4(3)^x+3=0 
alg2
solve for 10/x^22x + 4/x = 5/x2 3x/x+1 + 6/2x = 7/x 8(x1)/x^24 = 4/x2 check for any extraneous solutions! thanks! 
bus101
exam number500600 to check on the answers what are they? 
Alg1 / 2
solve the equation & check your solution 
math
how can you check that the sum of 125+38+75 is 238 
Algebra..
f(x)= x^2+3 ; g(x)=3x1 Check These Please? 1.(fg)(1) = 5 2. (f o g)(1) =10 How would you solve this? 1. (g o f)(x) 
Algebra pls check
Is this right ? 2(w30) =6w 2w 60 = 6 w +2w =+2w 60 = 4w _____________ 4 = 4 15 = w 
MS Sue
can you plz check my english answers