# Calculus (Answer Check)

87,577 results, page 36

### DanH-- I NEED ENGLISH HELP

Almost_________ work would be better than___________. anyone's hers anyone's her's anyones hers anyones' hers' Please check my previous answer.

### Math

Answer check please: Consider the circle (x-3)^2 + (y+1)^2 = 169. The point (15,4) is on the circle. Find an equation for the line that is tangent to the circle at this point. I got y= 5/12x-9/4.

### chemistry check

Calculate the pH of:0.01M HCl pH=-log[H*]. ..=-log[0.01]. ..=2.is the pH of HCl,I enter -log on my calculator Igot 2 as my answer,Am I using the right step of formular?

### English

Check out this site. http://www.cultureandrecreation.gov.au/articles/poetry/ Dear all, I need a poem that will help me answer the question "Is Australia seen as a Follower or a Leader?" I am yet to find 1 useful poem on that site... Maybe you should write your own poem. I have...

### math-statistics

A manufacturer claims that the life span of its tires is 50,000 miles. You work for a consumer protection agency and you are testing this manufacturer's tires. Assume the life spans of the tires are normally distributed. You select 100 tires at random and test them. THe mean ...

### Calculus I

Section The fundamental Theorem of Calculus: Use Part I of the fundamental Theorem to compute each integral exactly. 4 | 4 / 1 + x^2 dx 0

### Math check

what is the measure of an angle that is supplementary to the following angle. An Acute angle of 57º 57º+90º= Answer 147º

### French

Can you check this thanks. Un Voyage Directions: Faites une question en utilisant l'inversion. 1. Robert a fait un voyage à Avignon l'année dernière. (que) Answer: Est-ce que un voyage Robert a fait? 2. Il est allé à l'aéroport avec ses copains. (où) Answer: Où est-ce ...

### Calculus

An important problem in mathematics is that of root finding: that is, given a function f (x), finding any roots of f in an interval. Exact methods exist for many functions: • In the case of a linear function f (x) = ax + b, this is easy. – If a ≠ 0, then x = −b...

### law

please check my answer thanks :) which is true of quashing 1.the pt has signed an authorization for relase 2. medical records have been subpoenaed 3. a malpractice suit has benn filed 3. a breach nof confidentiality has occurred. i said 2 none of the rally make sense to me

### U.S. History

please check this 1. The Great Awakening is best described as a. the conversion of thousands of Native Americans to Chrisitanity b. the shift of many New Englanders to the Quaker faith c. a total rejection of Puritian ideas d. a series of religious revivals in the British ...

### history

Describe the physical surroundings of Catal Huyuk. Check my answer The roofs were made of woven reeds and mud and were connected to one another like a honeycomb . Each dwelling contained an open hearth an oven in the wall and clearly defined sleeping area.

### Math: Calculus

Answer the following questions for the function f(x) = \frac{ x^3 }{ x^2 - 36 } defined on the interval [ -20, 16 ]. A. The function f(x) has vertical asympototes at____ and___ B. f(x) is concave up on the region___ to and____ to___ C. The inflection point for this function is...

### calculus

Find dy/dx for x2 + y2 = 2xy. 2. If 5x2 + y4 = -9 then evaluate d^2y/dx^2 when x = 2 and y = 1. Round your answer to two decimal places. Use the hyphen symbol, -, for negative values. 3. find dy/dx if f(x)=(x+1)^2x 4. Find the slope of the graph of the relation x2y + 4y = 8 at...

### Calculus

Find the critical numbers of the function. (Use n to denote any arbitrary integer values.) f(θ) = 12 cos θ + 6 sin2θ My answer was pi/2 and 3pi/2, but those were wrong. I don't understand the 'n' part, either.

### Calculus

Hello all, I would like some confirmation on a limits question. The limit is as h --> 0, [sqrt [73-5(x+h)] - sqrt (73-5x)]/h I multiplied by the conjugate of the numerator and reduced everything down to this final answer: [(-5)sqrt(73-5x)]/2 Is this correct?

### English

Posted by rfvv on Sunday, April 14, 2013 at 3:50pm. 1. He is riding a roller board. 2. He is in the air on the roller board with his arms spread in the picture. 3. Talk with your partner and check the Yes box if your partner likies the activity. If your partner doesn't like ...

### Bio Bio Please check answer

Because codons are triplicates, there are ______ possible nucleotides combinations that could make a codon; each giving rise to one specific amino acid. Yet, there are only 20 amino acids used to produce proteins. Thsus, the gentic code is said to be _______. I. 16, unambigous...

### French ASAP

Can you check my answers thanks Directions: Use the clues to fill in the blank. (I don't understand 8, and 19) 1. Madame Durand n'a pas d'enfants. Mais elle a un petit ------, Minouche. Answer: Chat 2. J'ai un beau ------- pour Camille. C'est son anniversaire. Answr: Cadeau 3....

### True or False health insurance

please check my answer True or False CHAMPVA would be considered a primary payer for a patient who has SSI I think it is False

### Science

check answer please. An object is pulled with 3 forces: 1 at 20n to the right another at 40n to the right and the third at 30n to the left. The net force is 30n to right

### algebra

1. the function f(x)=6x/3x-5 is one to one. find its inverse and check your answer. And on the second one can you tell me if I am correct. 2. solve the following exponential solution 7^2x+7^x+1-60=0 7^2 x+7^x-59=0 (49x)+7^x-59=0 49x/49=0/49 x=0/49 x=0

### Physics Help Please! Check the answer

an athlete stretches a spring an extra 40.0 cm. how much energy has he transferred to the spring, if the spring constant is 5286.0 N/m? Us= 1/2kx^2 =1/2(5286.0)(.40)=1057.2 J Thanks!

### Math

which value is the "whole" in the following problem: 14 is what percent of 56? I said the "whole" is 56, due to the problem not stating whether i was to solve the problem by using proportions or whatever. May you check my answer? Thank You

### a.p. calculus help please!

My a.p. calculus teacher doesn't know how to do this problem (like many others) so he's giving us 5 points extra credit on our test if we can figure it out, but I don't know how to do it: It's as the lim-->infinity (x+sinx)/(x+cosx) We know the answer is 1 because it's in ...

### Algebra

An oil spill from a tanker in pristine Prince Williams Sound in Alaska begins in a circular shape only 2 ft across. what happens to the area if the diameter is doubling each hour. How large will the spill be in 24 h? diameter= 2^(t+1) t is time in hours. Area= PI*radius^2= PI...

### Chemistry

I think these I know how to do ....just want someone to check..still sorta mixed up on the first question. Thanx For the following reaction, what is the correctly balanced reduction half-reaction? Fe(OH)3(s) + Cu(s) → Fe(s) + Cu+(aq) + OH-(aq) A. e- + Fe(OH)3(s) → ...

### Physics

A basketball player, standing near the basket to grab a rebound, jumps 73.6 cm vertically. How much time does the player spend in the bottom 15.4 cm of the jump? Ok...after this I swear I'm done! I just need someone to check my final answer, which is 0.0858 s.

### Health care

Please check my anser thank you :) You work in a doctor's office and have just submitted several claims to a commerical insurance company. Your office will probably be reimbursed based on what? My answer is traditional fee-for service system.

### physics(check my answers)

in a piston is locked in place and the cylinder is placed in a boiling water, the temperature, pressure, internal energy are all increase if a piston is being pushed inward, would it have the same answer as above

### chemistry

I got C_4 H_3 O_8 for this question but I'd like someone to check my answer, please. A 1.012 g sample of a compound containing C, H, and O was burned to produce 2.145 g CO2 and 0.3293 g H2O. Calculate the empirical formula of the compound

### Social Studies

What was the purpose of the Freedmen's Bureau? A. to provide assistance to former slaves and poor whites B. to protect Georgia's landowners C. to create segregation laws for Georgia D. None of the above My best answer is A can you please check @Ms.Sue

### 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

The population of a certain community is increasing at a rate directly proportional to the population at any time t. In the last yr, the population has doubled. How long will it take for the population to triple? Round the answer to the nearest hundredth, if necessary.

### calculus--please help!!

Solve the inequality. x^3+9x^2-108 less than or equal to 0. Then write in interval noation. Please can you show me step by step on how you got the answer. I have tries and I am very confused.

### Calculus

Let f(x)=1/x. Compute the difference quotient for f(x) at x=1 with h=0.3 I know that the formula for difference quotient is (f(x+h)-f(x))/h, but I am not sure how I am supposed to plug this in. I have tried a few ways but webworks says that the answer is wrong every time.

### calculus 1

The point P(2,-1) lies on the curve y=1/(1-x) If Q is the point (x, 1/(1-x) find slope of secant line. these are the points 1.5 1.9 1.99 1.999 2.5 2.1 2.01 2.01 2.001 when i calculated it i got a negative number 1/(1-1.5)=-2 but the answer is 2. also would the points be (1.5, ...

### Calculus 1

Water is flowing into a vertical cylindrical tank of diameter 4 m at the rate of 2 m3/min. Find the rate at which the depth of the water is rising. (Round your answer to three decimal places.)

### Calculus

Suppose strontium-90 decays at a rate of 2 percent per year. (a) Write the fraction P of strontium remaining, as function of t, measured in years. (Assume that at time t=0 there is 100 % remaining.) Answer: P(t)=?

### English Answer Check

How should I revise my answer? These questions regard the poem "Jabberwocky." 1. One critic said that "Jabberwocky," despite its odd language, tells a story like many legends of knights and dragons. Do you agree? Why or why not? A: I agree with this critic’s opinion because...

### Calculus & Vectors

Could someone explain this question to me? I attempted the question and here is why I chose the answer below. Thank you! -------------------------------------- 1. If A ⃗ is a vector representing 50 km/h northeast, what is 3/5 A ⃗? a) 30 km/h southwest b) 30 km/h ...

### Calculus

The measurement of the circumference of a circle is found to be 70 centimeters, with a possible error of 0.9 centimeter. a) Approximate the percent error in computing the area of the circle. (Round your answer to two decimal places.) b) Estimate the maximum allowable percent ...

### Ethics

please check my answer thanks :) There has been judgement entered agaisnt Mike in the Northern District Court of New York. What statment below must be true for the judegment to be aganist Mike personally. A. He was a resident of New York B. Mike lives in the northern district ...

### science!

i want you to check my answers for the questions and i might need help on constructing the graph that i need to do for problem 7. variables and graphing assessment practice some students wanted to investigate the effect of light on the growth of spanish needle seeds (bidens ...

### Physics question help/ check my answers

The middle two question please check my answers and tell me if I am correct or if there is something I am missing. The first and the last question I need help to understand and complete it. Thank you in advance!!! 1. What is the electric force between a +2 µC point charge and...

### Chem Check

Consider the following gas phase reaction: 3A(g)+ 2B(g) <==> 1C(g)+4D(g). At 181.1C, Kp=270.91. Calculate Kc under these conditions. My answer: change of n = (1+4)-(3+2)=0 kp=kc(RT)^(change of of n) 207.91=kc(.0821)(454.1)^0 Therefore, kc=270.91 Is this correct? yes, Kp=...

### Meicare

Please check my answer thanks :) Hospitals that are excluded from the Medicare PPS (such as children's hospitals) are paid based on 1 reasonable cots 2. fee schedules 3. global payments 4. bundled payments I picked # 1

### Applied Dog Behavior

Please check my answer thanks 8. If the dog doesn't seem to like the sound of the clicker, you can A. hold it up in the air. B. give a better treat. C. click faster. D. put it in your pocket when you click. I picked D

### Math 116

_(Y-56)=y+56 is that right. Find an equivalent expression without parenthesis. Subtract _5/16-(-3/8)=1/16 is this right. Please check this for me. Please it seem my problem never get answer I did some last night had not hurt any reply.

### Financing and Budget

This financial ratio measures the business's liquidity A.days recivable ratio B.average daily rate ratio C.current ratio D.profit margin I chose the letter D.Can someone check my answer

### calculus

A person is jumping straight up and down on a trampoline. The height of the center of mass of the person is measured every tenth of a second. It takes just over one second to complete one full bounce. (If you want to see the data, look at the video above.) t (seconds) 2.90 3....

### tax

Can someone please check my answer for the following problem. The Smiths wish to refinance their home worth $250,000. They originally paid $130,000 for the home and made $25,000 in improvements. The bank is willing to let the Smith refinance $200,000 with no further ...

### dog behavior

pleae check my answer thanks Latent learining becomes evident when... A. a puppy grows up B. the animal is motivated to perfrom C. a dog has failed with trial and error method D. a dog experiences social faciliation I picked C

### cpcc

A 134 N bird feeder is supported by three cables as shown in Figure P4.17. Find the tension in each cable. right cable 1 N left cable 2 Your response differs from the correct answer by more than 10%. Double check your calculations. N

### Math

How to d/dx y= (9+((x-9)/6)^1/5)^1/2 ? Hope u can give me the way how to calculate it. ^^ I got 1/60 ((x-9)/6) ^ (-9/10), i think my answer is wrong because i check at wolfram website the ans is differrent from mine (sorry i didn't write the ans bcus the ans is quite long and ...

### Pre Calculus

solving exponential equations with exponents on each side 5^x =4^(x+1) They don't have common bases and now I am lost I thought I could just come up with a common base (in this case 20) and change the equation to 20^4x =20^(5x+5) However I am not getting the correct answer!

### Calculus

Evaluate the definite integral. dx/(x*sqrt(lnx)) from 1 to e^4 I'm having trouble figuring this out, I might be overthinking it. The way I've approached this is by using u substitution and letting u=lnx. I keep getting the wrong answer though. Help is appreciated!!

### Calculus

Two cruise ships leave the same point outside St. John’s harbor at noon. Ship A travels west at 20 km/hr, while Ship B travels south at 25 km/hr. Using calculus, determine how fast they are separating from each other at 2:00 p.m.

### grade 9 math slope equations

question: slove by comparison and check your solution? a)2x-4y-5=0 3x+8y-4=0 my work so far: 2x-4y=5-------(1) 3x+8y=4-------(2) _____________ 6x-12y=15------(3) (3)-(4) 6x+16y=8-------(4) ____________________ 28y/28 = 7/28 y= .25 2x-4(.25)=5 2x-1+5 2x/2 + 6/2 x = 3 ya i was ...

### Algebra

Hi, could someone possibly check my answers to these algebra questions? Its not my strong point so have been struggling a little (or alot if they are all wrong!) 3m-8-5m+10 = 2-2m 4(2-6x) = 8-24x 7(a+3)-5 = 7a + 16 2x-3(4y-x) = 2x-12y-9x 2(4y-1)+5y(3-2y) = 2(4y-1) +5y(3-2y) If...

### Spanish-Please check my work

Could someone please check this for me. I had to rewrite the following sentence using a direct object pronoun in two different ways. I wrote: Nosotros queremos leerlos. Los hosotros queremos leer. Thank you for checking

### Opinion (check)

Please check the if they are all opinions: Martin's neighbors accused the mother of eight of ordering phantom puppies to attack them and of walking in the rain without getting wet. One explanation for the girls' behavior was that they were simply bored Some of them were lucky ...

### algebra I

please check my answer 2/3x-24 less than/equal to 8 = x less than/equal to 12

### Math

Can anyone check this and see if I'm right? A crafts store bought 27 1/4 ounces of potpourri. The shop divides the potpourri into 2 1/2 ounce bags and sells each bag for $4.25. a. how many full 2 1/2 ounce bag of potpourri can the shop make. b. if all the bags are sold, how ...

### dog behavior

please check my answer thanks True or False Modeling is a training technique that involves providing one dog as an example for another dog to follow I think that is True

### spanish/chech

translate to spanish our father's office -la oficina de nuetro padre 2-translate the possesine adjective in parentheses into spanish -su escuela(their) can you check my answer thank you

### Math

Can you check my work? If Angelona's weekly allowance is d dollars, which Expression represents her allowance, in Dollars, for x weeks? A. Dx B. 7dx C. X+7d D.d/x So d = allowance X=week D goes up per x So my answer is A. Dx Is this correct? Thanks for your help

### overview of teaching techniques

which of the following is frequently used in the expository model of teaching? (a)deductive thining(my answer) (b)inductive thinking (c)discovery learning (d)knowedge-based learning what type of learning uses formal lectures? (a)student-centered (b)teacher-redirecting (c)...

### business 101

If a firm has a current ratio of 2.00it means that for every $2 in _____it has $1in A.total assets;current liabilities B.current assets;current liabilities C.total assets ;total liabilities D.current assets;total liabilities My answer is c Team diversity is often established ...

### calc check please?

Given the differential equation: dy/dx = y(1+x), y(0)=1, Use Euler's method with step size .1 to approximate y(.3). ... please check this for me! no one has responded to this question yet.. thanks. y' = y(1+x), y'(0) = 1(1+0)=1 ->the solution has slope 1 at the point (0,1...

### English 10

Can someone please check my answers for me please 1. Which of the following is NOT a behavior associated with editing? checking your spelling cleaning up formatting developing a subtopic fixing punctuation errors (MY ANSWER) 2. True or False: The purpose of editing is to make ...

### Trigo!

Ok, i've tried this sum a million times and i cant get an answer. Somebody please check my workings and tell me what i did wrong! Thanks! Given 4≤y≤6, find the value of y for which 2cos((2y)/3) + √3 = 0 Here's my workings: 2.666≤(2y/3)≤4 2cos(2y/3...

### French

Could you please check these thanks. Part 1 Directions: Choose the right word with the right statement. Word Bank A. donner B. téléphoner C. mettre D. décrocher E. commposer 1. ------ le numéro Answer: E 2. ----- le téléphoner Answer: D 3. ------- un coup de fil Answer: ...

### Accounts

on july 25 Hamilton company accountatn prepared a check for august rent. the landlord received the check on the 31 of july and cashes iton the 2 of august. when should the rent transaction be recorded

### math(check answers please)

PLEASE CHECK THESE ANSWERS compare the pair of numbers use <,>,= 3/4 _ 6/8 A.3/4=6/8(I PICKED THIS) B.3/4<6/8 C.3/4>6/8 Write the decimal as a fraction or mixed number in simplest form. 3.45 A.4 3/4 B.4 9/20 C.3 3/4 D.3 9/20(I PICKED THIS

### @please check my answers

I've removed the entire test you posted. If you post the 4 or 5 you have most doubts about, someone here might check them for you. Do not post entire tests. They will be removed.

### Physics

A force platform is a tool used to analyze the performance of athletes measuring the vertical force that the athlete exerts on the ground as a function of time. Starting from rest, a 60.0 kg athlete jumps down onto the platform from a height of 0.600 m. While she is in contact...

### Chemistry

Give the enthalpy change and entropy change values shown below calculate the free energy change for this reaction at 25 degrees C using Gibbs free energy equation. How does this value compare to the free energy change using the standard free energy of formation data? delta H=-...

### Anatomy and Physiology

Hello! Thanks for checking my question out! ____ 32. Which of the following statements is not true about the immune system? (1 point) a) In children, lymphatic tissues such as adenoids, tonsils, and lymph nodes enlarge as growth continues and from exposure to microorganisms. b...

### Calculus

How can I prove this series alternating series converges(this is the answer)? (-1)^2*(2/3)^n I tried it this way: an = (2/3)^n, then i just broke it down. 2^n/(3^n) and i took the ratio of it and got 2/3 which does not equal to one which would mean the series diverges.. but ...

### Pre-calculus-ck answers

Identify the graph of the equation 4x^2-25y^2=100. Then write the equation of the translated graph for T(5,-2) in general form. Answer: hyperbola; 4(x-5)^2 -25(y+2)^2=100 2)Find the coordinates of the center, the foci, and the vertices, and the equations of the asymptotes of ...

### Calculus I

The 8-ft wall shown here stands 27 ft from the building. Find the lenght of the shortest straight beam that will reach to tthe side of the building from the ground outside the wall. ANSWER 46.87ft How do i solve???

### Calculus

I saw this question asked, but I didn't understand the answer format. My prof doesn't use dx and dy after he has differentated the problem. He just uses (for example) 8x+2+y+xy(prime) The question is this: 4x^2+2x+xy=12 and y(2)=-4 find y(prime)(2) by implicit differentiation.

### Calculus I

Sketch the graph of f by hand and use your sketch to find the absolute and local maximum and minimum values of f. 18. f(x) = 1/x , 1 < x < 3 I can graph it just fine, but for my answer I got that the function has none of the above. Is this correct?

### CALCULUS

using d^2(h/dt^2=−g+k(dh/dt^2, find an expression for the terminal velocity in terms of k and g? g is the acceleration due to gravity, k is a constant, h(t) is the height of the falling object, dh/dt is its velocity, and d^2(h)dt^2 is its acceleration. And can you ...

### calculus

a rectangle is 10 inches by 6 inches whose sides are changing. write a formula for both the perimeter and how fast each is changing in terms of L and W how do i do this, an explanation instead of an answer would be most appreciated, thanks in advance.

### Business Math

A local Barnes and Noble paid a $79.33 net price for each calculus textbook. The publisher offered a 10% trade discount. What was the publisher’s list price? (Round your answer to the nearest cent.)

### Calculus

Integrate dx/(sqrt(x^2+16)). I have no idea how to start and which method to use. Thinking some sort of trig substitution? But it doesn't look like it. Step by step? Answer key says ln|x+ sqrt(x^2+16)|.

### Math - Please Check My Answers

Please help me with the following two problems: Find the greatest possible error for each measurement. 512 m A. 0.5 m C. 0.5 cm B. 5 m D. .005 cm I think the answer is A. Is this correct? Find the greatest possible error for the given measurement if it is to the nearest 10 ...

### chemistry correction

1. Which two elements react vigorously with each other? A: Chlorine and lithium B:Chlorine and potassium C:iodine and lithium D:iodine and potassium my answer is B 2. which statement about electronegativty is correct. A: Electronegativity decrease across a period. B:...

### math

an investor receive a check in the mail that was for 6 percent of the amount invested.if the amount invested was $450,what was the amount of the check? 1] $24.30 2]$27.00 3]$27.30 4] $75.00 5] 270.00

### AP Calculus BC

Hi! Thank you very much for your help--- I'm not sure what the answer to this is; how do I solve? Find antiderivative of (1/(x^2))[sec(1/x)][tan(1/x)]dx I did integration by parts and got to (1/(x^2))[sec(1/x)] + 2*[antiderivative of (1/(x^3))(sec(1/x))dx]

### Calculus

Find the absolute extrema of the function. (Round your answer to three decimal places.) f(x) = xe-x2 on [0,2] Absolute maximum value: at x = Absolute minimum value: at x =

### Calculus

Find the absolute extrema of the function. (Round your answer to three decimal places.) f(x) = xe^-x2 on [0,2] Absolute maximum value: at x = Absolute minimum value: at x =

### Calculus - Dot Product

consider a rhombus ABCD a) find the resultant of vector AB + vector AD and vector AB - vector AD? (cosine rule) b) What will be the value of the dot product of vector AB + vector AD and vector AB - vector AD always be? (always zero) c) Is this value of the dot product of ...

### Chemistry

can anyone check and see if i balanced the equation for the combustion of benzene correctly, thank you. C6H6 + O2 --> CO2 + H2O Answer: C6H6 + 15O2 --> 6CO2 + 3H2O It doesn't look right to me; however, you can check ALL balanced(?) equations and know when you are right ...

### French continued help Check work

Directions use either sa, son, or ses Rewrite each sentence correctly 1. Le pere de Marine est dans la cuisine? Answer: Son pere est dans la cousin 2. La soeur de Marine est blonde? Answer: Sa soeur de Marine est blonde. 3. La soeur de Thomas est a Paris? Answer: Sa soeur de ...

### Math.... again......!!!!!!...

A fraction is equivelant to 4/5. The sum of the numerator and the denominator of the fractionis 36. What is the fraction? The fraction is 4x/5x where x is a number. You have that 4x + 5x=36, so solve for x, then you have what 4*x is and 5*x. The answer for "x" is 4 4x+5x=36 9x...