Calculus (Answer Check)
88,560 results, page 31

English
Please check my answer thsnks :) When preparing a formal business presentaion, the phase that can make or break your report is the _________ phase. 1 2 revision outline 3 4 organization writing I picked 3 
Math
Please check my answer thanks You bought 4 chairs for $22.oo each a table for $212 and an umbrella for $85 what is the total bill if your sales tax rate is 6% 22x4=88 then add 88 212 + 85 ___________________ 385 x 6% _________________ 
Health/ Basic Clinical Procedures
please check my answer thank you True or Faise I said True Cilia prevent the entrance of pathogens into the body by providing an acidic envioroment 
behavior problems (dogs)
Please check my answer thanks When a welltrained dog is placed in a stay and ignores a distraction, the dog is showing A. intelligence. B. sociability. C. dominance. D. impulse control. I picked D 
Algebra 1B
I can not figure out the answer to this problem. (^6)(7^6+5) I'm not sure if that sign is correct. It's suppose to be the symbol that looks like a check mark and goes over the 6 on left and over the 6+5 on right. Please help 
Language Arts (Check answer)
because the story is written as a series of dated reports, we can see that the story is structures according to a. Cause and effect b. Chronological order c. Comparison and contrast d. Problem and solution *** 
chemistry
The rock in a lead ore deposit contains 84% PbS by mass. How many kilograms of the rock must be processed to obtain 2.3 kg of Pb? WebAssign will check your answer for the correct number of significant figures. kg 
College Algebra 1
Factor completely. Remember to look first for a common factor and check by multiplying. if polynomial is prime, state this. 36a^296ab54b^2 I couldn't find the right answer. 
Check my french answer?
3. It is customary to greet someone on the street with "allô". (2 points) true false i think its false only causes theres many ways to say hello. any input? 
Grammar
Topic sentences in body paragraphs should usually show some relationship to an idea from the introduction or thesis statement. 1. True 2. False I answered true. Check my answer for me and thanks. 
precalculus
can you check my work? In exercises 1012, sketch the curve represented by the parametric equations. Then eliminate and write the corresponding rectangular equation whose graph represents the curve. 10. x=t26 y=1/2t1 answer: t=2y6= (2y+2)26 =4y2+8y2 
Algebra (answer check)
Where is the vertex of the graph of y equals negative x squared plus 2 x plus 5 located? (1,5) < it's not this one (1,6) (1,3) < (1,2) Which values best approximate the solutions of 4x^2+7x+5=0? 0.9 and 2.3 0.9 and 5 0.5 and 2.3 < 0.5 and 5 What is the ... 
math
How long will it take $500 to accumulate to $850 at 12% compounded monthly? I got 4.4 Pls do check whether I got it right. Btw is the answer in years or months....I'm confused. Thanks in advance 
History (check answer)
The __________ resulted in the cultural movement known as the Harlem Renaissance. Civil War. *** Stock Market Crash. Great Migration. Great Depression. ( I can't pick between A or D.) 
statistics
The time (sec) that it takes a librarian to locate an entry in a file of records on checkedout books has an exponential distribution with lambda symbol=0.5. a)What proportion of all location times are less than 20 sec? At most 20 sec? Atleast 25 sec/ Between 10 sec and 25 sec... 
Math
The length of a rectangle is 5 inches less than 3 times the width. The perimeter of the rectangle is 14 inches. Find the length and width of the rectangle. I did this: Length 3x5; width 3x Then I did guess and check and came up with X=2 solving the problem with a perimeter of... 
Math Check
The only inequalities where I have to check the values between the points are polynomial and rational inequalities, right? And not any other type of inequalites By Checking I mean to know which way to shade on a graph Just making sure 
french
Can you check these also thanks. Directions: Récrivez les phrases au passé composé. Le passé composé: être ou avoir. 1. Marie monte au troisième étage. Answer: Marie est monté au troisimème êtage. 2. Elle monte ses bagages. Answer: Elle a monté ses bagages. 3. Elle... 
Calculus prince@18
let the function h(x)= (integrand symbol from 2 to x^2)arctan (t) dt. Find h'(x). This question confused me because i know the derivative of an integral is the original function. I just need help with finding the derivative of that integral. I don't know how to post integral ... 
Calculus
The limit from x> infinity of x^(3/x) i keep getting 3/infinity, which is infinity and this answer is incorrect. 
calculus
lim t> infinity for sqrt(4t^25t1)/(2t3) I get infinity or infinity, but the real answer is 1. How does this occur? 
calculus
Differentiate 3x+2(37,500,000/x) I know the answer is suppose to be 3(x^225,000,000)/x^2 but I'm not sure how to get there. 
Calculus
Which of the following series converge? A. ∑n=1 to infinity of 1/n^2 B. ∑n=1 to infinity of 1/n C. ∑n=1 to infinity (1)^n/(√n) I think the answer is A and C. 
AP Calculus AB
Hello! I'm having trouble with this related rates problem: A 5ft tall person is walking away from a 16ft tall lamppost at a rate of (2/x) ft/sec, where x is the distance from the person to the lamppost. Assume the scenario can be modeled with right triangles. At what rate is ... 
EnglishBeowulf
Who is Scyld? Where is he from? Where does he go? What does he do? Why does the poem begin here rather than with Hrothgar and Grendel? Scyld id Beowulf's father. Scyld was a Danidh king from the Scandion Lands. Scyld leaves to protect Lord Frea where he dies. The people send ... 
Computer Programming
I need a check on my answers 1) prompt a user to enter an employee name, employee id, and hours worked until a value of "1" is entered for employye name. my answer: Start Declarations num EmployId, HrsWrked string EmployName housework() detailLoop() Stop housework() output "... 
To sam!
Was the five part unknown question for compounds A through E yours? If so, did you get it answered ok? no it was not mine! can you please check my math? can you please check my math? 
Spanish 7th gradePlease check
Please check. How would I say "I feel like drawing. Would it be: Yo tengo ganas de dibujar. 
TO MS SUE
Please check my answers to my question, I posted this question before but no one answered or helped me. All I need is for someone to check my answers :) 
law and ethics in med
please check my answer thanks :) Which of the following is MOST pertinent in a legal or court room context? 1. confidentiality 2. privileged communication 3 etiquette 4.pt's expectaion of privacy I think it might be #2 I am not really sure 
math
can someone check my answer please? solve using multiplication principle. 4x>1/11 The way I solved it was dividing both sides by 1/4 to isolate x then I simplified left side which is 1/44 simplifying it to 1/11 is this correct or did I miss a step somewhere? 
Chemistry
Can someone please check to see if I balanced this chem. equation which is an incomplete combustion reaction: 2C3H8 + 11O2 >> 3CO2 + 4H2O +2CO +C(s) My answer: 7C3H8 +22O2 >> 6CO2 + 28H2O +4CO +11C Thanks! 
Social Studies
Hello, I was wondering if you guys here could check over If this answer is right. =) Which Term means this? (99)Responsibility to ensure the prosperity of the city A.Civic Duty B. Magistrates. This is the Rome old Goverment Terms 
Vocabulary check my answer!
What does the parenthesized word mean? Hoping to avoid being punished, the child *(groveled)* at the feet of his parents in the hopes that they would forgive his misbehavior. wished laughed praised begged.... is this right? 
Business Law
To obtain a social security number you must complete a form and show evidence of where you were A. live B. where to school C. go to Church D. were born I chose D. Check my answer to make sure please? Because I was stuck between A ad D. 
Social Studies
Which early civilization had a wellorganized, unified empire with an elaborate system of roads covering more than 10,000 miles? Iroquois Aztecs Mayan** Incas can someone check my answer please? 
time and stress management
progessive mmuscle relaxation is a technique used for (a)falling asleep (B)becoming aware of tension in muscles (C)prepping surgery patients (d)raising blood pressure my answer is b to achieve a low state of arousal,you need to (a)control breathing,thought ,and tension within ... 
ged math
Using estimating.$195 of erin's $1190 monthly check goes for a car payment. What percent of Erin's check is used for this payment? 
Chemistry conversions check
I'm sooooooo not sure if I'm doing this right, but can someone check it please? Thanks :)) 5) Determine the mass in grams of 3.01 x 10^23 atoms of Cl (element) I got 17.5 grams...is this right? 
algebra
1)Simplify:(3x^0y^4)(2x^2y)^3 answer=6x^6 over y 2)Simplify:2x^2y^5z^4 over 8x^6yz^3 answer= y^4 over 4x^4z 3)Saturn is 1.4 x 10^9 kilometers away from the sun. If light travels 3.0 x 10^4 km per second,how long does it take light from the sun to reach saturn? Express the ... 
algebra
Solve the linear equation using any technique you have learned. Name the technique. Check. 3x + 12 = 7x  28 I know the answer is x = 4 and I know that substitution is the technique that is used, but I can't figure out how to set this up 
Algebra 1 Check
This is the last question on my homework and I wanted to know if I got it right. Thanks! Which of the following inequalities is true for all real numbers of x? a.) x^2≤x^3 b.) 2x^3≤4x^2 c.) 4x^2≤(4x)^2 d.) 4(x3)^2≥4x^23 My answer: C. 
Art
7. Which of the following pairs are art movements? A. Impressionism, Victorian B. Renniasance, Expressionism C. Renoir, Classicism D. Art Deco, Cubism My answer is B and you please check @Ms.Sue 
Math
12) 2 1/7 x 3 2/3= 15/7x11/3=165/21=55/7=7 6/7 13)Divide. Write the answer in simplest form 3/7 divided by 2/3=9/14 14)1/8 divided by 3/4=1/6 15)2 1/7 divided by 3 2/3=45/77 Can you please check to see if I got the above answers correct Thank you 
math ( CHECK MY WORK)
1. on 3 tests, a student scored a total of 258 points. if the student improved his performance on each test by 5 points, what was the score on each test a. 81,86,91 b. 80,85,90 c. 75,80,85 d. 70,75,80 is the correct answer A. 2. an item costs x dollars. the tax rate is 5% of ... 
Chemistry
Can someone please explain how to solve this problem. Thank you very much. A chunk of silver has a heat capacity of 42.8 J/degrees C. If the silver has a mass of 181 grams, calculate the specific heat of silver. Heat capacity is 42.8 J/C for 181 g. What you want is for 1 g. So... 
calculus
evaluate integral or state that it is diverges integral oo, 2 [2/(x^21)] dx  integral oo, 2 [2/(x^21)] dx Through partial fractions, I came up with lim [ln(x1)ln(x+1)] b, 2 b>oo I get (ln(3)0)(oooo)). The answer in the back ... 
Calculus integral
evaluate the integral: integral from pi/4 to 0 for the function 6sec^3x dx. it has to be an exact answer and i did it and keep getting it wrong. I got 4sqrt(2)4ln(sqrt(2)+1) 
Calculus Problem
I need to find the integral of e^(2x)sin(3x) I used integration by parts and I let u=e^2x and dv=sin(3x) My final answer was (3/8)(e^(2x))(cos(3x))  (1/8)(e^(2x))(sin(3x)) but it's wrong. Please help!! 
Science Check Answers
1. A kitchen ceiling light has five light bulbs on it. When one of the lights goes out, the other four bulbs stay lit. This is an example of a series circuit. True OR False My Answer: True 2. Adding a _______________ to an electric circuit would increase the magnetic field ... 
math check
A machine produces parts with lengths that are normally distributed with ó = 0.52. A sample of 16 parts has a mean length of 75.07. (a) Give a point estimate for ì. (Give your answer correct to two decimal places.) 75.07. (b) Find the 99% confidence maximum error of estimate... 
brief calculus
I have everything right but the last question asking how many cases per week The consumer demand equation for tissues is given by q = (97 − p)^2, where p is the price per case of tissues and q is the demand in weekly sales. (a) Determine the price elasticity of demand E ... 
calculus
The circumference of a sphere was measured to be 74 cm with a possible error of 0.5 cm. (a) Use differentials to estimate the maximum error in the calculated surface area. (Round your answer to the nearest integer.) cm2 What is the relative error? (Round your answer to three ... 
calculus
I am trying to find equation of the tangent line to the curve 2/(13x) at x=0 using the definition. I applied it into the formula lim h>0 [f(a+h)  f(a)]/h which gave me [2/(13x+h)  2/(13x)]/h I took the conjugate and came with [4/(13x+h)^2  4/(13x)^2] / h(2/(13x+h... 
Math (check answers)
please check these 4.B 5.B 4.what is the side length of a square with an area of 64 m2? A.32 m B.8 m C.128 m D.64 m 5.what is the length of rectangle with an area of 12 yd2 and a width of 3 yd A.8 yd B.4 yd C.9 yd D.21 yd 
pre calculus
Use Hooke's Law for springs, which states that the distance a spring is stretched (or compressed) varies directly as the force on the spring. A force of 265 newtons stretches a spring 0.15 meter. (a) What force is required to stretch the spring 0.2 meter? (Round your answer to... 
Geometery
A water storage tank is shaped like a circular cylinder with half of a sphere at each end. Find the volume of the tank if the cylindrical section is 100 cm long with a 40cm diameter. Use 3.14 for ~~ Be sure to round the final answer to two decimal places. (Here are my choices ... 
Calculus
Skeletal remains had lost 81% of the C14 they originally contained. Determine the approximate age of the bones. (Assume the half life of carbon14 is 5730 years. Round your answer to the nearest whole number.) yr 
calculus
Skeletal remains had lost 70% of the C14 they originally contained. Determine the approximate age of the bones. (Assume the half life of carbon14 is 5730 years. Round your answer to the nearest whole number.) 
pre calculus work
given f(x)= 5x+4/5x^2+4x and g(x) = 1/x a. determine the domains of f(x) and g(x) b. simplify f(x) and find any vertical asymptotes c. explain how the two functions differ I have absolutely no idea how to answer this question  can you please help me to figure it out?! 
SpanishSraJMcGin I'm confused at your answerplea
I'm confused by your replyIs Day of the Saint like having a second birthday? I thought it was false but then according to your answer, I'm thinking it is a kind of second birthdayThank you for rechecking Here is the running conversation Posted by Emma on Monday, May 23, ... 
Science
Can someone check if these are right: Tell the reaction rate 1.)Question: one antacid tablet is placed in a glass of cold water, while another table is placed in a glass of hot water. Answer: increasing TEMPERATURE 2.) Question: a mixture of baking powder, flour, sugar, and ... 
calculus
Suppose that the radius r of a right circular cone of fixed height h = 20 cm is increasing at a rate 4 cm/s. How fast is the volume increasing when r = 10? Give your answer correct to two decimal places. 
Calculus
Find the linear approximation of the function f(x)=^3sqrt(1+3x) at a=0 and use it to approximate ^3sqrt(1.03)Is this an overestimate or underestimate of the actual value? Explain your answer in terms of the tangent line and the curve. 
Calculus
Solve: dy = [2+(y2x+3)^0.5]dx The answer in the book is 4(y  2x + 3) = x^2 + C, but I don't know how to solve. I've tried solving, but this ODE is not exact, nor homogeneous and I don't think the method of integrating factors apply either. Please help. Thanks in advance. 
Calculus Help
Use differentials to estimate the amount of paint needed to apply a coat of paint 0.03 cm thick to a hemispherical dome with diameter 54 m. (Round your answer to two decimal places.) 
Calculus
Find the volume of the solid obtained by rotating the region bounded by the curves: y = x^2 and x = y^2 about the line y = 1. I received the answer pi/30, using the outer radius of (1  x^2) and the inner radius of (1  x^(1/2)). Is this correct? 
Calculus
What are the coordinates of the point on the graph of f(x)=(x+1)(x+2) at which the tangent is parallel to the line with equation 3xy1=0? a)(3,2) b)(1,0) c)(0,2) d)(1,6) To answer this, I put f(x)=(x+1)(x+2) into the form f(x)=x^2+3x+2 and found the derivative which is f'(x... 
calculus
Please answer. An airplane at an altitude of 3000m, flying horizontally at 300km/hr, passes directly over an observer. Find the rate at which it is approaching the observer when it is 5000m away. 
Math  calculus
Suppose f(x)=x^p where p>1 and [a,b]=[0,1]. According to the Mean Value Theorem there is at least one number c such that f(b)−f(a)=f′(c)(b−a). In this particular case the number c is unique but it depends on p. c=____ Your answer will be in terms of p. 
math check
1 four buttons have diameters of 5/8 , 3/4, 9/16, and 7/8 which buttons is smallest? answer 9/16 2. I spent 1/3 of my time doing math homework and 2/7 preparing for a history test . what fraction of study time remain? answer: 13/21 3. least common multiple of 3, 6, 9 answer 18... 
Health care
Please check my answer thanks :) Pick pick the best answer to the following question. You belong to an HMO. By paying the HMO premium and being treated through that HMO, you are helping to.. 1. increase plan enrollment 2. decrease managed care costs 3. provide more managed ... 
Literacy 2
Please check my work. Thank you 1. When is the best time to cite a source. A. As soon as you decide a source is not worth using in your paper. B. Before you find the source. C. When start to create your bibliography. D. As soon as you find the source My Answer C 2. Wildcards A... 
accounting
Can someone please check my answer to this question: In recent years, a company has greatly increased its current ratio. At the same time, the quick ratio has fallen. What has happened? Has the liquidity of the company improved? My answer: The decrease in the quick ratio shows... 
Algebra  check to see if correct
7yt/3x= ?/18xyt i got 6yt/6yt the answer being 1yt/18xyt 
chemistry
DR BOB Can you check my answer at Monday may 10 2010 at 7:12 pm at Chemistry andy(Page 2) I think I may have got it !!! Thanks andy 
Algebra Answer Check
What is the simplified form of the following expression? 7m^2 + 6.5n  4n + 2.5m^2  n a. 9.5m^2 + 1.5n (?) b. 4.5m^2 + 1.5n c. 1.5m^2  4.2n d. 9.5m^2  1.5n Simplify the following expression. 1/3(21m + 27) a. 7m + 27 b. 7m + 9 (?) c. 63m + 9 d. 7m + 81 What is the sum? 7/4... 
ALGEBRA 2 help please would appreciate
x x _____  _____ = x^2+9 ________ x+3 x3 X^29 solve for x. and check answer thank you show work please 
Physics Can you check my answer PLEASSE
The velocity of an object increases from 5.0 m/s to 15 m/s in 2.0 s. What is the average acceleration of the object? 15m/s  5m/s = 10m/s 10m/s / 2.0s = 5 m/s < 
Math  Answer Check
Determine whether the polygons are similar. ABCD with vertices A(–5, 4), B(–2, 4), C(–2, 2), D(–5, 2) and EFGH with vertices E(–2, 0), F(4, 0), G(4, –6), H(–2, –6) They aren't similar, right? 
Algebra
Please check my answer The domain of the following relation: R: {(−4, 8), (8, 10), (5, 4), (1, 6), (5, −9)} is a. {8,10,4,6,9} b.{4,1,5,8) c. {4, 8, 5,1,5} d. no domain exists I think that it is A, Am I right? Thanks 
Physics (PLEASE CHECK WORK)
For safety in climbing, a mountaineer uses a nylon rope that is 50m long and 1.0cm in diameter. When supporting a 90kg climber, the rope elongates 1.6m. Find its Young's modulus This is what I have so far, I am getting the wrong answer. Can you please fix my mistake? (Studying... 
Calculus
A stone is dropped from the upper observation deck of a tower, 200 m above the ground. (Assume g = 9.8 m/s^2.) a)Find the distance (in meters) of the stone above ground level at time t. b)With what velocity does it strike the ground? (Round your answer to one decimal place.) c... 
math,correction
can someone correct these for me i'll appreciate it thank. dirctions: solve 3x7=2x+8 my answer: x = 15 directions: solve 2/5x=10 my answer: x = 25 Directions: solve 3(x+1)=2(x8)+3 my answer: x= 3.2 1 looks ok. Show your work on 2 and 3 and we can correct them. okay this ... 
math
2/3 over 10 equals 1.8/r solve for r. (2/3)/10 = 1.8r. First, invert and multiply the denominator; i.e.,10. (2/3)*(1/10) = 1.8/r 2/30 = 1.8/r Now cross multiply. 2r = 30*1.8 2r = 54 Now divide both sides by 2 2r/2 = 54/2 r = 27 check my thinking. check my work. 
Precalculus...repost.. The tutor didn't quite answ
Calculate the solution set. x^2+y^2+8x=15 9x^2+25y^2=225 My work: I did elimination...multiplied 25 to the top equation and got..... 16x^2200x600...I then used quadratic formula ... And got 7.5 and 5..... Is 7.5 an EXTRANEOUS SOLUTION because when I plugged 7.5 in for... 
AlgebraPlease check my answer
y= 6x is written as: Choices y = log(6)x x = log(6)y I chose y = log(6)x, correct?I did the inverse so x = 6^x isolate y so it becomes y = log(6)x 
math(algebra 1)
how do u answer this? please step by step *graph and check to solve the linear system y=x+3 y=x+1 Thank you very very much!!! :) 
Math 8R  HW Qs. Check
Find a real number between (2)2 and square root of 25 (2)2 = 4 square root of 25  5 a) 3 b) 3.998 c) 4.225 My answer is a. Am I correct. 
algebra functions
can someone please check my answer For each problem, construct two composite functions, . Evaluate each composite function for x=2 f(x)=3x g(x)=1/x f(g)*(x)=3x(1)/x x=2 3x(1)/x=6 g(f)*(x)=(3x)=2*3x=6 x=2 3*(2)=6*6=36 
algebra math
Which one of the following is a geometric sequence? A. 2, –3, 9⁄2, −18⁄4 B. 0,1,2,3,... C. 8,4,2,1,1⁄2,1⁄4,... D. –7,10,23,36,.. i think the answer is D Can please check it ? 
geometry
check my answer please!! find the image of o(2 1) after two reflections, first across the line y=5, and then across the line x=1. (2,1) (1,6)# (4,9) (1,5) 
Math(Please check)
Find the center (h,k) and radius of the following circle. x^2 + y^2  6x  2y + 1 = 0 My answer is center= (3,1) and radius of 1. Am I correct? 
Math 8R Qs. Check!!!!!!
Why is 2/5 not an integer? my answer  Because it's a fraction and integers are whole numbers. Fractions are not whole numbers. am i correct??? 
Math: Please check
What is the simplified form of square root 48n^9? I think the answer is: 3n square root 4n^8. Thank You 
algebra functions check my answer
For each problem, construct two composite functions, . Evaluate each composite function for x=2 f(x)=3x g(x)=1/x f(g)*(x)=3x(1)/x x=2 3x(1)/x=6 g(f)*(x)=(3x)=2*3x=6 x=2 3*(2)=6*6=36 
Math
Jill wrote the number 40. If her rule is add 7, what is the fourth number in Jill's pattern? How can you check your answer? 
Vectors
Two lines with the slopes m1=4/3 and m2=7/2 intersect at (3,4). Determine the equations of the two lines and check your answer by solving them 
Math
Question, A city planning engineer in Cleveland must check the 10 angles that make up the three intersections on the map of downtown. If any of the angles formed by the intersections of the streets is greater than 135°, different road signs have to be used due to a new rule ... 
pre calculus
32% of a particular radioactive substance disappears in 227 years. Part 1: Find the decay constant. Your answer must be correct to five decimal places. Part 2: Determine the time T in years required for 93% of the substance to disapper. Your answer must be correct to two ...