# find the derivative of y=(3x+1)^2 y= square root 13x^2-5x+8

97,722 questions, page 437
1. ## Intro to Physical Science

A 3-kg stone is dropped from height of 100 m. Find its kinetic and potential energies when it is halfway to the ground.

asked by Jan on January 22, 2013
2. ## Spanish

When would you expect to find people eating paches in Guatemala? a. Sundays b. Christmas*** c. breakfast d. Thursdays

asked by Kaai97 on November 23, 2015
3. ## Calculus II

A cable that weighs 1.5 lb/ft is used to lift 700 lb of coal up a mineshaft that is 400 ft deep. Find the work done.

asked by Brian on November 3, 2013
4. ## math

You roll a number cube twice. Find P (even, then not 2). Write the probability as a fraction in simplest form. plaz help

asked by um on June 8, 2018
5. ## History

I can't seem to find the answer anywhere. Please help. 2. What is the shape of the water molecule? A.) linear B.) tetrahedral C.) trigonal planer D.) bent

asked by Deborah on January 30, 2013
6. ## Calculus

find the maximum volume of a cylinder whose height and radius do not exceed a combined total of 12cm

asked by Emma on November 23, 2015
7. ## Calculus

Use the disk method to find the volume of the solid formed by rotating the region bounded by y=2x and y=x^2 about the y-axis.

asked by Liz on January 30, 2013
8. ## science

A box weighing 180 newtons is hanging by rope as shown in the figure. Find the tension T¿.

asked by Veronica on September 15, 2015
9. ## math

dimension of rectangle is 20cm by 10cm. If each side is increased by 10%, find the percentage by which the area increases

asked by Thozama on September 10, 2018
10. ## Maths

a pie chart is drawn to represent the numbers x,.2x.and x+4. If the angle at the centre representing x is 75 degrees, find x.

asked by Grace on September 27, 2016
11. ## Math

a pie chart is drawn to represent the numbers x,2x and x+4. If the angle at the centre representing x is 75 degrees, find x

asked by Grace on September 27, 2016
12. ## Algebra 1a

I am working with Systems of Linear Inequalities and need to find the point where the lines meet to label my graph. -9x-3y=72 Thanks!

asked by Kim on January 10, 2015
13. ## math

Find the surface area of a cylinder with the given dimensions. Round to the nearest tenth. d= 14mm and H = 32mm

asked by Jonah on April 20, 2018
14. ## CP Science 9th grade

A Sample of Air at 35 degrees Celsius has a relative humidity of 15%. How do you find the dew point temperature?

asked by Emily on January 26, 2010
15. ## math

Find first term and common difference of arithmetic sequence whose 13th them is 159 and 20th is 264.

asked by Ayane on January 9, 2015
16. ## Science

A man runs 100.0 metre in 10.3 seconds find his average speed up to appropriate significant figures.

asked by Ishu on June 16, 2017
17. ## Math

Search: Side of a rectangle is in the ratio 1:1√2 if the length of the larger sides is 12cm then find its area

asked by Basheera on December 4, 2016

Find the amount of each payment to be made into a sinking fund when $75000 @ 6% compounded semiannually for 4.5 years. asked by calgal on March 30, 2010 19. ## 10th grade a solution of 30 percent by weight has a density of 0.96g/mL at 25 degree celcius.find the molarity and molality. asked by quennie on September 30, 2010 20. ## physics a horse pull a barge with a force at an angle of 30¡ã to the horizontal for a distance of 20km . find the work done. asked by elder on January 9, 2015 21. ## Social Studies I am in 5th grade, and I need a easy interesting current event to write a paragraph about. Help me find a subject!! asked by Lila on December 12, 2013 22. ## mathematics a classroom is 11m long and 8m wide and 5m height .find the sum of area of its floor and the four wall. asked by kora mosu on December 4, 2016 23. ## math/116 the function f computes the cost of tuition at a public college doing academic year x . find f(1995) asked by kevin jones on November 22, 2015 24. ## M ath Kim kept the following records of her phone bills for 12 months:$53, $48,$62, $53,$58, $55,$53, $46,$64, $69,$57, $68 - did not match any documents. Find the a.mean b. median & c. mode. asked by Linda on November 13, 2008 25. ## Math Find the slope of the line that goes through the given points. I think my answer is correct but would appreciate some feedback so that I may compare! Thanks in advance! (3,-2),(-1,-6) Responses asked by Rachale on February 26, 2009 26. ## calculus Use Lagrange multipliers to find the max/min values of the function f(x,y)=xy subject to the constraint: x^2/8+y^2/2 =1 Pleasssse help me with this!! asked by Lucy on February 27, 2012 27. ## HELP Biology To find out which key will open a lock, you try several until one works. This kind of learning is called ________________________. I have no clue asked by vickie on November 20, 2013 28. ## Math Help! 1. Find the sale price. Round the nearest cent. Regular price:$57.63 Percent of discount:10% A. $63.39 B.$5.76 C. $51.87 D.$57.53*** 2. Find the sale price. Round to the nearest cent. Regular Price: $56.00 Percent discount: 40% A.$50.00*** B. $22.40 C. asked by Callie on December 4, 2014 29. ## analytic geometry helps are appreciated Find the maximum value of y/x over all real numbers x and y that satisfy (x-3)^2+(y-3)^2 = 6. It is a circle, but how do we even begin? As a matter of fact, how is there not only like 1 solution?? asked by Knights on March 1, 2013 30. ## Calculus Use the FTC 1 to find the area of the region under the graph of the function f(x)= 8x-x^2 on [0,8]. I got 244/3 but the answer key says 256/3. asked by Anonymous on October 8, 2015 31. ## science I want to do a science fair project on which skin moisturizer works best. How can I find some ideas on ways to test this? Thank you! asked by charlotte on November 13, 2011 32. ## trig find the coordinates of the terminal point on the unit circle determined by t=9pt/7 to two decimal places asked by Kristin on November 13, 2011 33. ## physics Find the power delivered to an element at t=3 ms if the current entering its positive terminal is i=5cos60πt A and the voltage is V=3 di/dt asked by natasha on January 17, 2017 34. ## Math So I have tried MANY ways to solve this i think i have an answer but could someone check? Problem is 48x + 3 = 19 |x=?| find x. Just this one question please!! It will mean a lot to me if you reply. Thanks :) asked by Student.exe on April 1, 2019 35. ## chemistry What type of intermolecular forces would you expect to find between molecules of H2O? of BrCl? of hexane (C6H14)? asked by Ariana on May 20, 2010 36. ## math By selling some goods at Rs 31, a salesman loses 7% on his output. Find the % profit or loss, when he sells the same at Rs 35? Pls help asked by manish on December 20, 2015 37. ## Precalculus I'm interested in teaching myself Precalculus and would like to find a good book with lesson plans and assignments. Any ideas? asked by Sheryl on January 8, 2010 38. ## Pre-cal let P(x)=2x^4-x^3+13^2-8x-24. Use synethetic division to show that x+1 is a factor of P(x) Answer:2x^3-3x^2+16x-24 Then find all real and imaginary roots of P(x)=0. asked by Jill on January 9, 2010 39. ## geography Where can I find a mpa of the rivres and lakes (with names and locations) of the Minnesota Territory, 1849-1858? asked by Janet on June 15, 2008 40. ## calculus Find equations for two lines through the origin that are tangent to the ellipse 7x2−168x+y2+62=0 please show me the steps :) asked by mehak on November 1, 2011 41. ## Play- A Raisin in the Sun Where can I find info. along these lines on Sparknotes and/ or Pink Monkey: Why Walter's attitude about life is unrealistic asked by brie on August 27, 2007 42. ## Algebra Find a polynomial function of lowest degree with rational coefficients that has the given numbers as some of its zeros. 3-i,sqrt2 f(x)=?? asked by Gabby on October 26, 2016 43. ## trig Find all angles, 0≤A asked by Anonymous on March 16, 2014 44. ## Analytic Geometry - Reflecting points over lines Let P = (5,1), and let Q be the reflection of P over the line y = 1/2x + 2. Find the coordinates of Q. I don't understand how to start? Should we draw perpendicular lines? asked by Knights on March 4, 2013 45. ## Pre-Calculus Find this quotient. Express the result in rectangular form. 9(cos3π/2 + isin3π/2) ÷ 3(cosπ/4 + isinπ/4) asked by Alexis on March 15, 2014 46. ## trigonometry Find the length of the arc that subtends an angle of measure 70 degrees on a circle of diameter 15 centimeters. asked by Aaron on July 10, 2010 47. ## algebra Determine the equation of combined variation. Then solve for the missing value. x varies directly with y and inversely with z. x = 5 when y = 10 and z = 5. Find x when y = 20 and z = 10. asked by Anonymous on December 10, 2012 48. ## Math I need to find the sum of 1/6 and 1/2. I found the LCD to be 2 so I multiplied that by the numerator and got 2/2+2/2=4/2 and simplified that to 1/2. But the answers that I get to choose from are 1/3, 1/4, 2/3 and 3/4. What did I do wrong? asked by Dar on December 10, 2012 49. ## chemistry when you are given two half reactions and you are told to calculate net E^O, would you find the voltage for each reaction and subtract the two to get the answer? asked by Anonymous on May 20, 2010 50. ## Psychology How could my wife and I find out whether the South Beach Diet works for us? Write the methods section for an experiment. asked by jenna on March 4, 2013 51. ## Geometry Find the perimeter of the polygon with vertices of A(0, 0), B(4, 0) and C(2, 3). Round to the nearest tenth. Just enter one number as your answer Can you please help me asked by help please on September 23, 2017 52. ## College Algebra and Trigonometry if x = ucos(pi/4) - vsin(pi/4) and y = usin(pi/4) + vcos(pi/4), find A, B and C so that, 5x^2 - 6xy + 5y^2 = Au^2 + Buv + Cv^2. Thanks, I really don't know what to do, I've already used almost 20 sheets of paper. Please help me. Thanks. asked by Nicole on January 25, 2015 53. ## physics two strings are connecred to a 10 Kg mass with T2 making an angle 30 degree with the horizontal find the tension in the other string asked by jak on November 15, 2011 54. ## chemistry I am looking at the material in the text over and over and cannot understand this!........help,how do I figure this out? Find the volume occupied by 0.500 mole He at STP . asked by michelle on May 18, 2010 55. ## Math A Japanese beetle has a length between 0.3 and 0.5. Find two lengths that are within the given span. Write them as fractions in simplest form. asked by Susana on November 15, 2011 56. ## Indices P=(64)^-2 Q=1/16^(1/3) R=8root2 Express pqr as a power of 4 P=4^(-6) Q=4^(-2/3) R= ???????? How can i find R? *please show me the method for future reference* Thankyou asked by Anonymous on September 29, 2015 57. ## civics Does anyone know where I can find a list of supreme court cases that includes a provision of the bill of rights. I'm looking for something recent. Thanks. asked by Anonymous on March 1, 2013 58. ## math find the differential of dy of the given function. y=3x-4sec(2x-1) The answer i got was dy=(3-8sec(2x-1)tan(2x-1))dx I am not entirely certain i got this correct. if you could check this for me, it would be a big help. :) asked by charles xavier on December 7, 2012 59. ## please help with analytic geometry if you can Find the maximum value of y/x over all real numbers x and y that satisfy (x-3)^2+(y-3)^2 = 6. It is a circle, but how do we even begin? As a matter of fact, how is there not only like 1 solution?? asked by Knights on March 1, 2013 60. ## math In triangle$ABC$,$BC = 20 \sqrt{3}$and$\angle C = 30^\circ$. Let the perpendicular bisector of$BC$intersect$BC$and$AC$at$D$and$E$, respectively. Find the length of$DE$. asked by InfaRed on November 10, 2016 61. ## analytic geometry helps are appreciated For some positive real number r , the line x+y=r is tangent to the circle x^2+y^2 = r. Find r. How do we do this? Set equal equations together?? asked by Knights on March 1, 2013 62. ## mah does the prime factorization using exponents and then add 1 to each exponent. then he find the product of these numbers.will this method work why or why not asked by Anonymous on October 22, 2013 63. ## Science does anyone have information on disorders related to carbohydrates such as lactose intolerance, diabeted or hypoglycemia or know where i could find something that explans this well to me asked by alley on September 1, 2007 64. ## maths find the amount and the compoud interest on r 12800 for 1year at 15/2% per annum, compounded semi- annually. asked by compound interest on September 29, 2015 65. ## maths A Plank of Wood 6 m Long is cut in the ratio 1:5. find the length of the Longer Piece in centimetres. asked by Anonymous on March 4, 2013 66. ## algebra I need some help with some algebra problems please. I don't under stand how to do that following. Find and simplify the difference quotient f(x+h) -f(x)/h, h cannot equal 0 for the given function. 1. f(x)=5x^2 2. f(x)x^2+3x+9 asked by Nicole on August 30, 2007 67. ## calculus find the points of inflection and discuss the concavity of the graph of the function f(x) = -sin x + cos X 0 asked by Anonymous on December 9, 2012 68. ## math how do i find the measure of central angle rounded to the nearest degree then showing using graphs and degrees asked by r on May 10, 2013 69. ## Trig Find the measure of the central angle, in radians, given the area of the sector as 22.6 cm2 and a radius equal to 3.7 cm asked by Julianne on October 29, 2011 70. ## geometry find the area of an equilateral triangle with an apothem having a length of 4 feet. round to the nearest tenth asked by Anonymous on May 10, 2013 71. ## geometry The sides of an acute triangle are x, 35, and 37, where x is the shortest side. Find the range of possible values for x and express it as an inequality asked by alisa on November 14, 2011 72. ## Calculus 1 Use implicit differentiation to find an equation of the tangent line to the curve at the given point. x^2/3 +y^2/3 =4 (-3sqrt(3),1) (astroid) asked by TayB on September 29, 2015 73. ## Calculus 1 Use implicit differentiation to find an equation of the tangent line to the curve at the given point. x^2+2xy-y^2+x=6 , (2,4) (hyperbola) asked by TayB on September 29, 2015 74. ## maths Find simple interest and amount for 850 from 10th March to 3rd August at 5% per anum asked by payal on December 17, 2015 75. ## maths two circles of radii 10 cm and 17 cm intersect at two points and distance between their centers is 21 cm.find length of common chord asked by anshika on January 1, 2013 76. ## math116 algrabra I really need help i am so stuck i can not figure this out we are trying to find the slopes here is an example of what i am doing i get everything all theway till a certain point example: (-4,9);2x=5y+6 the answer is 2/5x+53/5 but i don't know how they asked by trudy on July 26, 2010 77. ## trig If θ is an angle in standard position and its terminal side passes through the point (20,-21), find the exact value of sec(θ). asked by Anonymous on December 9, 2011 78. ## Physics A race car moving at 35 m/s is uniformly slowed to a stop in 50 s. Find 1) acceleration, and 2) stopping distance. asked by Emily on October 5, 2015 79. ## Social studies Why did the first English settlers come to America? A. to find gold B. to become fur traders C. to start new life D. to become missionaries I need help :-( asked by Helper on January 30, 2015 80. ## Math A shopkeeper buys a table at ₹300 and sells it for Rs.375.Find his loss or gain percentage. asked by Jack on November 4, 2016 81. ## Math The ratio of rabbits to birds at the pet store. Find three equivalent rabbit to bird ratios. asked by Guadalupe on November 1, 2016 82. ## Skin Colour Where I can find (an already made) timeline of the evolution of skin colour? I am trying to compare mine with something, so I know that I have done it correctly. This would a GREAT help! Thanks very much! -V asked by Veronica on June 3, 2008 83. ## pre Algebra Sam traveled 570 miles in 8.5 hours. Find the unit rate to the nearest hundredth. asked by crazy horse on June 5, 2010 84. ## chemistry Find the concentration of calcium in ppm in a 3.5g pill that contains 40.5mg of ca? Answer 1.16ppm Bob helps me asked by Fai on March 2, 2013 85. ## geometry Find the lateral area of a right triangular prism with an equilateralbase length of 5cm and height of 10cm. asked by Piggy on February 23, 2012 86. ## History What kinds of tools and material would Native Americans have used at Scull Shoals that did not last long enough for archaeologists to find? asked by Plz Help... fast on September 28, 2017 87. ## math find the circumference of the circle round to the nearest foot. it is 42 ft I got a but I'm not sure. A.132ft B.264ft C.1,320FT D.2,640FT asked by Anonymous on March 15, 2017 88. ## Simple interest Find the interest. Round to the nearest cent in necessary. Principal -$178 Rate - 4% Time in months - 12

asked by Alex L. on November 5, 2011
89. ## Calculus

Q: Find the antiderivative F of f(x)=4−3(1+x^2)^−1 that satisfies F(1)=−9. I got 4x-3arctan(x), but it still seems to be incorrect, and the hw doesn't care for constants (like +C at the end). Am I missing something?

asked by . on April 4, 2019
90. ## maths

the radius of a circle is 8cm and the length of one of its chords is 12cm. find the distance of the chord from the centre

asked by sushma on February 23, 2012
91. ## Physics

For a certain projectile, the horizontol range is twice in magnitude of the maximum height attained by it. Find its angle of projection.

asked by Amrit on November 4, 2016
92. ## physics

An Otto engine has a maximum efficiency of 33.1 %; find the compression ratio. Assume that the gas is diatomic.

asked by jimmy on December 17, 2012
93. ## science chemistry

Calculate the value of Avogadro's no if density is =2.165g/cm3 find distance bw Na+and Cl_ in NaCl =281pm

asked by viishu mehta on March 24, 2018
94. ## Statistics

The mean score on the first calculus exam was 55%. The standard deviation was 7%. Find the smallest interval about the mean that must contain at least 83% of the scores. heeellllppppp

asked by jack higgins on July 4, 2014
95. ## Maths

Find the SI on ₹8500 from 12th October in 1999to 6th March 2000 at 15 percent per annum

asked by Salomi on July 28, 2018
96. ## statistics

How do I go about finding the answer to this type of question? Find the standard score (z) for which 50% of the area under the normal curve is below the mean.

asked by MissPatte on September 5, 2014
97. ## Algebra

I am havine trouble with this problem will someone please help me The perimeter of a rectangle is 68m The length is 10 m more than twice the width. Find the dimensions

asked by Princess on June 10, 2010
98. ## math

I just finished doing my math study guide for a test and there is one question that I don't know how to do. It is: f(x)=5-2x and g(x)=x^2=7x, find each value. a. g(3) b. f(2)+g(-1) c g(2x) I do not understand this at all, could someone explain this to me?

asked by cherie on September 26, 2017
99. ## History

Hi, i am doing a essay on the Royal Commission on the status of women, Canada. Could you help me find helpful info on this topic. Thanks again:)

asked by Sabrina on June 3, 2008
100. ## Math

find the length of the segment. write the mixed number in simplest form.[i don't have the picture]

asked by D&B NATION4L on November 2, 2016