Calculus (Answer Check)

86,499 results, page 17

math

Can someone please check my answers? Thank you! 1. is (-8,-9) a solution of 2x+4y=12 No 2. Solve using the multiplication principle. -1/2x=-9/10 answer: 9/5

MATH

i WANTED TO CHECK MY WORK THE QUESTION IS DIVIDE 4 1/5 BY 14 AND WRITE ITS SIMPLLET FORM...I THOUGHT THE ANSWER WAS 58 4/5

math

i WANTED TO CHECK MY WORK THE QUESTION IS DIVIDE 4 1/5 BY 14 AND WRITE ITS SIMPLLET FORM...I THOUGHT THE ANSWER WAS 10/3

For MathMate

Hi! So i posted a question yesterday and I worked on but before i submit my answer do you think you can check my answers? 1. 7x+3y= pi 4x-6y= pi^2 2. 2x+3y= 0 4x+6y= 0 2 3. x+3y=1 4x+ 6y= 1 4. x+y=5 x+2y=10 5. 2x-3y=5 4x-6y=10 1.U 2.N 3.N 4.U 5.I

algebra

can someone please check my answer to this problem? solve for indicated letter. n=m+d, for m the solution is m= (n+d)/m is this correct?

Math, please check answer

Find the midpoint of the line segment having the given endpoints. ( 2, 6) and ( 7, 3) M 9/2,9/2

Algebra

Could someone check this for me please? The equation is 2/x+3 = 4/x+7, and I think the answer is x=1, I just need help showing the steps of how to get there if anyone knows? Many thanks for any help

math

can someone check my answer on this one? rewrite with rational exponents: (sqrt5mn)^9 i got: 5^9/2m^9/2n^9/2 is this correct?

Algebra

Evaluate log36(1/6) I believe the answer is -.5 but I just wanted to check to make sure I was doing this correctly. Thank you!

Science 7R - Hw Qs. Check Q3 (plzzzz read!!!!)

3. Most of our blood vessels are Answer - capillaries? am i correct?

algebra

Can someone please check my answer? Rearrange (cp-yd)/(pd)=p+y to make d the subject OK, I did cp-yd=pd(p+y) cp=pd(p+y)+yd cp=p^d+pdy+yd factoring out the d cp=d(p^2+py+y) cp/(p^2+py+y)=d

Geometry

Check please? The path of the launching of a space shuttle can be described best as a Answer: Ray?

Math

Use the method of elimination to solve the following system of equations. You must check your answer: 1)x/2 + y/5 = 1/2 2) 3x - y = -8

Science 8R - HW Qs. Check

How long does it take the earth to rotate on its axis? my answer - 365 days right????

Math - Please check answer :)

What is the slope of the line that passes through the points (–2, 5) and (1, 11)? A. -6 B. -2 C. 2 D. 1/2 ----I think its this one...

Math (check answer)

2.B 2.The sum of two integers is ____ positive. A.always B.sometimes C.never

Algebra 2 Answer Check

Write an equation in slope-intercept form for the line. 1. Perpendicular to 5x + 2y = 8 and through (5,3). A: y = -1/5x + 4?

Math

which of the following can represent the measure of the three angle in an acute triangle? A. 59, 61,62 B. 30, 25, 125 C. 56,72,52** D. 90, 45, 45 Check my answer

Mathematics

The slope of the line that goes through(-3,-5) and (-3,-6) is? Positive •• Negative Zero Undefind Check my answer

Improving vocabulary

Chapter 11 sentence check 1 and 2 and final check "a cruel tear"?

EnglishCheck

CHECK PLEASE 1. (Points: 2) The bank will not (lend, loan) money for home repairs. b. loan Save Answer 2. (Points: 2) My allergies sometimes cause me to (loose, lose) my voice. b. lose Save Answer 3. (Points: 2) Please leave the report on the desk, and either John or (myself, ...

Alegrba

Please check my answers. Also, can I see some graphs of y-axis symmetry, orgin of symmetry, or neither? Determine whether the graph of the polynomial has y-axis symmetry, origin symmetry, or neither. f(x) = 4x^2 - x^3 -My answer: orgin of symmetry f(x) = 5 - x^4 -My answer: ...

Science 8R - Homework Qs. Check

If an object has mass of 70.5g and a volume of 64 cm(3), what is its Density? Will it sink or float and why? Answer - The Density of this object is 4512g/cm(3). It will sink because the amount of grams is a lot. Is the answer correct and good???? I multiplied 70.5 and 64 in ...

Math - Check My Answers, Please

Please help me by checking the following answers for me. 3. A student is attempting to solve the equation below for the variable x. Which of the statements below best applies to the mathematical work shown? Given √(4x-6)=12, I square both sides, so (√4x)^2-6=&#...

Math

How to check 4=-2(4.5p+25) so the answers both check out and equal each other?

math

There are 160 patients. 3 of 4 patient gets BP check, how many of them need check?

Math (Calculus AB)

If y=cos^2x-sin^2x, then y'= a) -1 b) 0 c) -2(cosx+sinx) d) 2(cosx+sinx) e) -4(cosx)(sinx) I thought the answer was C but the answer key says it is E. Please help. Thanks in advance.

Algebra 2 check my answer please?

The population of a bacteria in a Petri dish doubles every 16 hours. The population of the bacteria is initially 500 organisms. How long will it take for the population of the bacteria to reach 800? Round your answer to the nearest tenth of an hour. 8.7 h 10.8 h 11.1 h 12.6 h...

Algrebra II-please check my answer

Determine the zeros of the function 7x^2 + 9x = 0 answers were: {-9/7} {-9/7,0} {o,9/7} {9/7} I think the answer is {-9/7,0} but I'm not positive when I worked it-If this is wrong please steer me into the correct calcs because then I don't what I'm doing wrong 2.Solution to ...

calculus

is average rate of change and average value the same or will you get a different answer for each this is calculus so it's the mean average. it's using the formula and integrating. I don't understand your question, but I can assure you that average rate of change and average ...

Math check and question

x is a binomial random variable. (Give your answers correct to three decimal places.) (a) Calculate the probability of x for: n = 1, x = 0, p = 0.15 P(x) = Correct: Your answer is correct. . (0.85) (b) Calculate the probability of x for: n = 3, x = 3, p = 0.15 P(x) = Incorrect...

6th grade math

1/3p + 7 = 12 - 2/3p what does P equal first check how Avril did it on her question then check mine

business

can you please check my answers to the questions i realy need to check them if they right or wrong

Math

Hi there! How would I check if I got the area of a trapezoid correct? Is there a way to check my work? Thank you.

math,correction

can you check if how i solved it to show that my answer is no is correct. Is -4 a solution to the equation 7x-5+3x=6+x-10 This is what i did: 7(-4)-5+3(-4)=6+(-4)-10 -28-5-12=2-10 -45=-8 so the answer is no -4 is not the solution to the equation. Yes this is fine yes this is fine

Calculus (Help)

Can you please help me with this problem? I asked earlier, but nobody was able to help me... I've been working on it for about an hour now. A widget factory has fixed costs of 35 billion dollars and variable costs of 781 million dollars per widget. The revenue (in $ billions) ...

French part 3

Could you please check these thanks Directions: Indicate whether each of the following statments is true or false. 1. Il faut passer par le controle de sécurité avant le vol. Answer: vrai 2. On peut laisser ses bagages à main dans le couloir pendant le vol. Answer: faux 3. ...

psy

<22{3[2(08)]}> Surveys show that people who use calorie information to decide which foods to eat consume on average 100 calories less than they would if they didn’t check calorie information before eating. Strangely though, people who use calorie information in this ...

Calculus

How do you simplify vectors? 1)AB + BC + CD 2) BC - FE - BA + DE - DC Calculus - Steve, Tuesday, September 22, 2015 at 11:39pm AB+BC = AC so, AB+BC+CD = AD BC-DC = BC+CD = BD See if you can use that idea to rearrange +/- terms so the ends line up in order Calculus - Anonymous...

Agility Training

please check my answer thanks :) A run-out occurs when a dog A. runs off the course. B. jumps off an obstacle. C. must turn back to complete the next obstacle. D. takes an obstacle out of sequence My answer is D

math

please check my answer. each test is worth 100 points. the following test have been taken and earned 91, 90, 93. for a total of 360 points to earn an A, what grade should be made on the final test to earn an A my answer is 91.5

Child Development

Which of the following groups requires more irregular scheduling than the other three groups? A. 12-to 18 months-old B. 3-t0 5 years old C. school age children D. 18 - to 36 months old My answer is C can someone check my answer please

Calculus

Determine whether the integral is divergent or convergent. If it is convergent, evaluate it and enter that value as your answer. If it diverges to infinity, state your answer as "INF" (without the quotation marks). If it diverges to negative infinity, state your answer as "...

physics

A swimmer is capable of swimming 0.45 m/s in still water. (a) If she aims her body directly across a 75 m-wide river whose current is 0.30 m/s, how far downstream (from a point opposite her starting point) will she land? (b) How long will it take her to reach the other side? ...

English

Hi! ____ 13. Which of the following statements would best state the main theme of The Call of the Wild? (1 point) a) Perseverance pays off. b) Only the strong survive. c) If at first you don’t succeed, try and try again. d) Keep your friends close and your enemies closer. My...

Science 8th grade

please check my answer thanks I need to write at least one paragraph regaurding this Urinalysis is a very commo diagnostic test. Describe and name the poddible abnormal results related to the test.. indicate the disorders tha these abnormal test results may sugguest. My answer...

Foreign Language (Spanish)

Can someone please check my answers? These are Direct and Indirect object pronouns practice problems I'm doing and I wanted to make sure I'm doing them right. Thanks a bunch!:) 1.) We want to buy a house for you. My answer: Queremos comprar una casa para usted. 2.) She bought ...

7th Grade Science Regents - Homework Check!

15. Which type of reproduction leads to daugther cells that are identical to the parent cell? Cloning? My Answer: Asexual Reporduction 16. Is this process called mitosis or meiosis? My Answer (that I think): Mitosis 17. Which type leads to a mix of genetic information in the ...

vocab

improving vocabulary skills textbook chapter 7 sentence check 2 and final check answers

advancing vocabulary skills third edition

i need help on sentence check 2 and final check chapter 1

Please Check My Math Work

Hi. - I solved this problem,but I am not sure if it is correct.If you can please tell me if it is right or if it is wrong what is wrong with it.: 6y^2-54= (3y-6)(2y+9) *Many of you may be are wondering why my title is,"[C]razy Baby. - [Iloveyou]"it is becuase of the boy that i...

French(easy question)

Translate all this french into english. I did all of it at the bottom. Please do it as well so I can check my answers. Check my answers as well. Thanks. On passe un bon film au Gaumont. On y va? Pas possible. J'etudie pour l'interro, demain. D'accord. Alors, a demain. My ...

Comprehensive Science

When an electric current is passed through water during the process of electrolysis, two gases are formed. One gas has a boiling point of -183°C and the other has a boiling point of -253°C. Has a physical change or a chemical change occurred? Explain. My answer: I would say ...

Caring for School-Age Children

Child care staff are most effective during science activities when they A.encourage convergent thinking B. answer questions as soon as they're asked C. guide children through structured activities D. limit experimentation to ensure safety I chose A can someone check my answer.

education

1.Transition planning for children with special needs should focus primarily on: a.maintaining continuity of services b.getting the child ready for school c.the family's needs d.the child's needs. My answer is d.the child's needs. Will someone please check my answer

Math ~CHECK MY WORK~

You have $60 in your wallet and want to buy some new CDs. If the CDs are $11 each, what number of CDs, x, can you buy? Write and solve an inequality. Then explain your answer. My Answer: 11x <= 60 divde by 11 x <= 60/11 or 55/11 x is an integer x<=5 5 CD's, which will...

Economics

Can you check my answer Consider an individual with a utility function of the form: U(x,y)=xy , and where m=1, px=2, and py=3 , where m is the individual's income or wealth, pi is the price of good i. Calculate the individual's optimal consumption bundle, (x,y) = (Blank 1,...

calculus help work

a force of 1250 pounds compresses a spring 5 inches from its natural length. find the work done in compressing the spring 8 additional inches. f=kd 1250=k5 k=250 then what do i do. i have to do this the calculus way, not the physics way. by using integrals the answer choices ...

Calculus Help Please!!!

Consider the function f(x)= x −1≤ x< 0 f(x)=tan(x) 0≤ x ≤ π/4 a. Draw a neat sketch of this function. b. Is f(x) continuous at x = 0? (Justify your answer.) c. Is f(x) differentiable at x = 0? (Justify your answer.) show steps! Thanks!

Safety of the young child

Which of the following statements encourages appropriate use of playground equipment? A. "I told you not to go down the slide head first'. b."You can't ride your bike in the grass because you're ruining it." c."Jumping off the monkey bars is against the rules!" D.Throw the ...

Math

I need someone to check my answer, can someone please help me? Here is the problem: Business and finance. In a bottling company, a machine can fill a 2-liter (L)bottle in 0.5 second (s) and move the next bottle into place in 0.1 s. How many2-L bottles can be filled by the ...

Anatomy and Physiology

Hello! Thanks for checking my question! ____ 15. When the aortic valve opens into the aorta, blood flows (1 point) a) out to the body. b) into the right atrium. c) into the left ventricle. d) out of the pulmonary artery. My Answer: A Could someone please check my answer? ...

Calculus

Can someone check my answer? The change in the momentum of an object (Δ p) is given by the force, F, acting on the object multiplied by the time interval that the force was acting: Δ p = F Δt . If the force (in newtons) acting on a particular object is given by ...

Pre-Calculus HELP!!

The length of a day in Philadelphia, Pennsylvania, is given by the sinusoidal function, f(t), which represents the number of hours of daylight t days into the year: f(x)=11+2.2sin(2pi/365)t-1.25).How many hours of daylight are there on the twelfth day of the year? Round the ...

please check my answers

1. $5000.00 compounded annually at 6% for 5 years= Answer $6,691.13? 2. $5000.00 compounded quartley at 6% for 5 years= Answer $6,719.58? 3. $5000.00 compounded quartley at 65 FOR 5 YEARS= Answer $6,734.28? 4. $5000.00 compounded annually at 6% FOR 6 YEARS= Answer $7,092.60...

Calculus

R=M^2(c/2-m/3) dR/dM=CM-M^2 I found the derivative. Now how would I find the vale of M that maximize the derivative dR/dM? set it to zero, and solve for m. You get two solutions. Use the second derivative to see which one is the max. I get M=C. How do I go from there? What do ...

Language Arts - Please Check Answer

Please help me with the following question: A paradox is a literary device often used to A. emphasize or make readers think about important ideas. B. provide hints or clues about events that occur later in a story. C. explain a character’s reason for doing or saying ...

calculus

The length l of a rectangle is decrasing at a rate of 5 cm/sec while the width w is increasing at a rate of 2 cm/sec. When l = 15 cm and w = 7 cm, find the following rates of change: The rate of change of the area: Answer = cm^2/sec. The rate of change of the perimeter: Answer...

URGENT! Last calculus question!

Hey! So, I was wondering if someone could answer this. I am mad studying for my exam and I still have a few questions left that I just don't have time to answer, and the assignment is due tomorrow. Thanks and here is the question: Use calculus and algebraic methods to do a ...

Calculus

I've been trying to solve the improper integral of ln(x)/sqrt(x) dx as a=1 and b=infinity I am required to solve for this question and according to my answer, it is divergent. However, my answer is infinity-4. Is it acceptable to say that infinity minus a number is simply ...

English

What are four things to look for when proofreading? My answers: Reading, grammar check, spelling check, and punctuation.

Local Standards And Regulations

Sunny Smiles Day Care Center is organized as a partnership. Which one of the following business tax forms will the owners need to file 75 days after the close of the fiscal year? A. Form 990 B. Schedule C C. Form 1065 D. Form 1120 My answer is (A) can someone check my answer.

Math (Pre-Calculus)

9t^4 + 6t^2 + 2 the problem is asking for the value of t at which the graph is at it's minimum. what i did was set t^4 to x^2 and t^2 to x. So that means I have 9x^2 + 6x + 2. Completing the square and the vertex formula gave me the same answer of -1/3 as x. So setting that ...

Design of suitable pin size

Appreciate if someone can take the time to check my answers to the following question. If wrong, could you point me in the right direction. A round bar, 800 mm long, CSA 15 mm^2 experiences an applied tensile load of 6 kN and stretches elastically by 3 mm. a) Calculate the ...

English

1. I'll probably go and check out that apple, actually. 2. I'll probably go and check that apple, actually. 3. I'll probably go and check on that apple, actually. ------------------ Which one is correct? Do we have to use 'out' after 'check' here? 4. The waitress who served in...

Calculus

Find the average value over the given interval. y=3x^5; [-3,3] I can't seem to get the answer, 0. 1/(3+3) [integral -3 to 3 (3x^5)dx] and I get 273/2

calculus

what is the integral of x^2-x+6/x^3-3x? the process involves partial fractions, and the answer is supposed to include ln and arctan... i just don't know how to get there.

calculus

what is the integral of (x^2-x+6)/(x^3-3x)? the process involves partial fractions, and the answer is supposed to include ln and arctan... i just don't know how to get there.

Calculus

What is the volume of the region enclosed by the planes x+z = 3, y=x, y=0, z=0, and the cylinder x²+y²=1? Is the answer 5 because I keep on getting different answers for this?

calculus

the equation cosx=x has a solution in what interval?...the answer is given as [0,pi/2] can someone please explain why?? thnks

calculus

Consider the function f(x) whose second derivative is f(x)=9x+6sin(x). If f(0)=4 and f(0)=3, what is f(x)? Please do not include the constant (+C) in your answer.

Calculus

Find the average value of the function on the given interval: f(x)=cos(16x), [0,pi/2] The answer I got is 1.

calculus

How do you find the limit of: 1(1 - (1/k))/2! as k increased with no bound? I know the answer is 1/2! But how do you get there? Are you supposed to divide both top and bottom by k?

Calculus

same as my question below please help me post your answer on here if you have one on these forms of course h t t p : / / w w w . p h y s i c s f o r u m s . c o m / s h o w t h r e a d . p h p ? t = 4 2 1 7 6 3

Pre CALCULUS

How many real solutions does the equation x+5=x have? Please explain your answer to the best of your abilities thanks :)

PRE CALCULUS

How many real solutions does the equation ãx+5=x have? Please explain your answer to the best of your abilities thanks :)

calculus

Explain and show how you would estimate 0.5 x 4.62 . Then justify why this is a good choice for arriving at the correct answer.

Calculus

t 3 5 7 9 11 13 V(t) 0 30 23 19 12 6 A. What is the largest number of subdivisions that can be used to estimate the definite integral ∫3-13V(t)dt? Answer: n=

Calculus

ã6(2ã6 - ã5) How do you get 12-ã30? I keep getting a way different answer:\ Btw not sure if the radicals will show up.

calculus

lim as approaches infinity of sin(pie.x/2-3x) i need the work and answer find the limit

math-calculus

using quadratic formula solve |x^2-2x-6| = 4. and answer have to be 1+-sqrt3, 1+-sqrt11 i just not get how to get this.

Applied Calculus......

Rewrite the expression using positive exponents only. (Simplify your answer completely.) (x^3-y^3)(x^-3+y^-3)

math calculus (please help me)

Solve for t. (Round your answer to two decimal places. (2 − (2.479/35))^7t= 29

Calculus

How would I use the chain rule here for x^2+y^2=z^2 but still have my answer in equation form?

Pre-Calculus

I've tried to simplify this a million different ways, but I can't seem to get the right answer. Please help. ((1/(x+h)^3)-(1/x^3))/8h

Calculus

Find the work done by F(x,y,z)=(x^2y)i=(x-z)j+(xyz)k where c=(t)i+(t^2)j+(2)k, 0<t<1. The answer is supposed to be -17/15, but i keep getting -13/10. Any help on the process would be appreciated.

Calculus

Find the area of the region bounded by the curves y=12-x^2 and y=x^2-6. Hint:The answer should be a whole number.

Calculus

Use implicit differentiation to differentiate y=x8/37, by writing it as y37=x8. Express your answer only in terms of x.

Pre-calculus ( Absolute value)

Why does |7 + 3x| = x -1 have no solution? I could plug in, for example 5, and the answer would be positive. Thank you =)

calculus

Use the Trapezoidal Rule to approximate ¡Ò8 4 ln(x2+5) dx using n=3. Round your answer to the fourth decimal place.

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