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

97,722 questions, page 512
1. ## calculus

find the points on the graph of y=secx where the tangent is parrallel to 6y-4x=8. (0 is less than or equal to x and x is less than or equal to 2pi). Use exact values.

asked by rachel on October 14, 2010
2. ## calculus

Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Then find the area of the region. 2y=3sqrt(x) , y=3 and 2y+3x=6.

asked by michael on October 22, 2010
3. ## calculus

Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Then find the area of the region. 2y=3sqrt(x) , y=3 and 2y+3x=6.

asked by michael on October 22, 2010
4. ## Math

The formula t =vh/4 can be used to find the time t in seconds it will take an object to fall from a certain height h in feet .how long did it take the applet o fall?

asked by Nayelis on September 7, 2015
5. ## Statistics

Use the Empirical Rule to find what two values 95% of the data will fall between for a data set with a mean of 294 and standard deviation of 13.

asked by Denise on May 16, 2011
6. ## Statistics

IQ test scores are normally distributed with a mean of 97 and a standard deviation of 11.An individual's IQ score is found to be 123.Find the z-score corresponding to this value

asked by Rachel on November 2, 2010
7. ## geometry

Do you use the formula: (n-2)180 / n to find the measure of each arc that corresponds to a side of a polygon? Example: a hexagon (6-2))180/6 = 120 ?

asked by jill on March 10, 2017
8. ## math

AOD is a diameter of circle O. The coordinates of points A and D are (-11,-5)and (-3,-5)Find the area of circle O. a. 9 pi b. 16 pi c. 25 pi d. 64 pi e. 116 pi please answer and explain

asked by thomas on April 27, 2014
9. ## value

IN PREPARING A RECIPE FOR CAKE ,THE RATIO OF FLOUR TO SUGAR IS 40:3 FIND THE REQUIRED QUANTITY OF FLOUR WITH 18KG

asked by value on August 25, 2016
10. ## math

If a ball is thrown into the air with a velocity of 41 ft/s, its height (in feet) after t seconds is given by y = 41t − 16t2. Find the velocity when t = 1.

asked by Yuxiang Nie on February 21, 2019
11. ## precalculus

For the acute angle with sin theta=3/5, find cos theta, tan, cot, csc, sec.

asked by tina on December 3, 2009
12. ## Math

Find the value of the variable the diagram is NOT to scale S / \ / \ R - - - - T-* --> U (bascially a triangle tried my best to replicate it)

asked by dfgwer on October 22, 2018
13. ## Maths

A basket contains 3redballs, 5blueballs and 7greenballs. 2 balls are picked one after the other without replacement. Find the probability that both balls are of different colors.

asked by Anonymous on September 11, 2018
14. ## Algebra II

The terminal side of θ in standard position contains each point. Find the exact values of the six trigonometric functions of θ. Given point: (7, -6)

asked by Anonymous on May 9, 2016
15. ## Precal

Find all values of theta in radians over radians over the set of all real nunbers given the equation: 2sinthetacostheta=sintheta

asked by Manny on February 16, 2016
16. ## Algebra

I need help this this question it is on of the questions on an assesment and i cant get it wrong but i don't know the answer please help! Find the length of the segment MN with endpoint M at 2,-3 and endpoint N at 8,5

asked by Anonymous on February 16, 2016
17. ## Linear Equation

For the following plane equations: x + 2y + 3z = 1 2x + 5y + 3z = -1 x + bz = c Find all values of b and c such that all planes are the same planes. I've reduced it into the row echelon form but don't know what to do next. Thanks beforehand

asked by Joc on May 9, 2016
18. ## math

Find the percent if discount when the regular price for a DVD recorder is \$250 and its sale price is \$175

asked by Anonymous on March 31, 2014
19. ## Algebra (Normal Distribution)

The mean of a normally distributed data set is 12, and the standard deviation is 2. ___% of the data points lies between 8 and 16. Find the percentage

asked by Farah on July 7, 2015

Will someone plz help me. I have looked through website after website and I cant find the right peron. Just like a page address or something or explain about his works and his life. Please and thanks!

asked by steenwick artist composer from the baroque period. on October 5, 2010
21. ## Calculus

How do I find the total area of three connected equally sized pens built so as to maximize the area bounded?

asked by Don on August 24, 2012

It says find the numbers, if any, at which the given function is discontinuous. f(x)=abs(x+2) *abs - absolute value f(x)=e^xsinx for both of these problems i saw that it was continuous but i don't really know

asked by Leanna on October 5, 2010
23. ## Calculus

It says find the numbers, if any, at which the given function is discontinuous. f(x)=abs(x+2) *abs - absolute value f(x)=e^xsinx for both of these problems i saw that it was continuous but i don't really know

asked by Leanna on October 5, 2010
24. ## geometery

1.given the function y=x^2-4x+5,find the following: a.vertex b.maximum or minimum c.axis of symmetry d.y-intercept e.x-intercept(zeros) f.graph

asked by sophie on October 25, 2012
25. ## Chemistry

Find the standard entropy (S^0) of ice at 25K. delta Hfus = 6009 J/mol and Cp of ice = 38 J/molK.

asked by Jessica on October 5, 2011
26. ## math

Roughly sketch the region enclosed by the curves y = sin x, y = cos x and the x - axis between x = 0 and x = p/ 2 . Also find the area of this region.

asked by usha on March 14, 2015
27. ## Calculus

For the following integral find an appropriate TRIGONOMETRIC SUBSTITUTION of the form x=f(t) to simplify the integral. INT x(sqrt(8x^2-64x+120))dx x=?

asked by Salman on December 14, 2009
28. ## Physics

I am given the x and y components of a force and it is asking me to calculate the direction of this force or find the angle in degrees with respect to the y-axis. How do I go about doing this? Thank you in advance.

asked by Donna on September 26, 2016
29. ## chemistry

Find the concentration of Ag+ in a saturated solution of AgBrO3 that also contains 0.02M LiNO3, 0.02M KClO4 and 0.01M NaF.

asked by Ashley on March 10, 2013
30. ## math

a basketball team wins 77 games but had lost 63 games. haw do you find percent of of game won?

asked by booker on October 23, 2012
31. ## physics

A force in the +y direction applied at the point x=2.3m,y=1.4m gives rise to a torque of 39n*m about the origin. Find the magnitude of the force.

asked by jenn on November 16, 2012
32. ## calculus

verify that the function satisfies the hypothesis of the mean value theorem on the given interval. then find all numbers c that satisfy the conclusion of the mean value theorem. f(x) = x/(x+2) , [1,4]

asked by Sasha on November 7, 2010
33. ## math

verify that the function satisfies the hypothesis of the mean value theorem on the given interval. then find all numbers c that satisfy the conclusion of the mean value theorem. f(x) = x/(x+2) , [1,4]

asked by help on November 7, 2010
34. ## chemistry

Find the mass of barium metal (in grams) that must react with O2 to produce enough barium oxide to prepare 1.1 L of a 0.10 M solution of OH^ -.

asked by Jessica on February 19, 2011
35. ## math-calculus 2

Consider the given curves to do the following. 64 y = x^3, y = 0, x = 4 Use the method of cylindrical shells to find the volume V generated by rotating the region bounded by the given curves about y = 1.

asked by Biff on June 21, 2013
36. ## Math

Show that a triangle with sides 3,4,5 inches long is a right triangle. Find the measure of the larger acute angle

asked by Anonymous on September 22, 2014
37. ## physics

A stone is dropped from peak of the hill. It covers a distance of 30 metres in the last second of its motion. Find the height of the peak?

asked by iqra on September 22, 2014
38. ## Science

A ring roll down along an inclined plane starting at a height 4m. Find the velocity when it arrives at the base of the plane. (y 2.5m) ?

asked by Taha on May 17, 2016
39. ## PHYSICS

Mass of empty bucket of capacity 10 liter is 1 kg. find its mass when completely with a liquid of relative density 0.8

asked by IMTEYAZ KHAN on February 17, 2016
40. ## Physics

An object of mass 6.10 has an acceleration a = (1.13m/s^2)x + (-0.699m/s^)y. Three forces act on this object:F1, F2,and F3.Given that F1=(3.31N) and F2 = (-1.20 N)x + (1.83N)y, find F3.

asked by Anonymous on October 2, 2010
41. ## english

Find the word that is acting as either a predicate nominative or predicate adjective in the sentence. Then tell which of the two it is. Megan is an intelligent girl.

asked by Anonymous on February 10, 2011
42. ## Calculus

For the following integral find an appropriate TRIGONOMETRIC SUBSTITUTION of the form x=f(t) to simplify the integral. INT (x)/(sqrt(-191-8x^2+80x))dx x=?

asked by Salman on December 14, 2009
43. ## calculus

Let f(x) = (x − 3)−2. Find all values of c in (2, 5) such that f(5) − f(2) = f'(c)(5 − 2). (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) C=?

asked by Kate on April 1, 2012
44. ## Maths

A person is appointed in the pay scale of RS 700-40-1500.find in how many years he will reach maximum of the scale

asked by Subham on February 20, 2019
45. ## trig

Given BC = 53 cm, BD = 62 cm, CD = 80 cm, ABC = 53°, and ACB = 66°, find the following. (Round your answers to the nearest whole number.) (a) the length of the chainstay, AC AC = cm (b) BCD BCD = °

asked by janice on November 16, 2012
46. ## math

Find the monthly payment for the loan. (Round your answer to the nearest cent.) \$700 loan for 12 months at 12%

47. ## Pre-Calculus

Sorry to be a pest but I never got an answer and I'm really stuck Can you please check this equation. Find polar equation of x^2 + y^2 = 10y x^2 + y^2 = r^2 r^2 = 10sin(theta)

asked by Tonya on October 7, 2011
48. ## Physics

A block moving to the right at 12 m/s is placed on a surface having a friction coefficient of 0.3. Find the time in seconds it takes for the block to stop.

asked by Logan on February 9, 2011
49. ## PHYSICS

Mass of empty bucket of capacity 10 liter is 1 kg. find its mass when completely with a liquid of relative density .08

asked by IMTEYAZ on February 17, 2016
50. ## algebra word problems

A window is shaped like a rectangle whose perimeter is 294 in. The length is 6 times as long as the width. Find the length

asked by shelia on February 9, 2011
51. ## Math

Find the exact roots of 0= x^2 -7x +7 I think you have to use the quadratic formula, but I can't figure out how to do this or how to verify. If you could show me step by step, that would be awesome. Thanks

asked by Heaven on May 10, 2016
52. ## Math

A rectangle ABCD is inscribed in a circle of radius 'a'. Find the 'area of the rectangle' function and state the domain.

asked by Kim on February 13, 2016
53. ## algebra

The amount of rainfall in January in a certain city is normally distributed with a mean of 4.3 inches and a standard deviation of 0.3 inches. Find the value of the quartile Q1.

asked by steve handson on September 1, 2016
54. ## statistics

Use the z-table to find the requested probabilities. Enter your answers to 4 decimal places. (a) P(z < −1.02) = Incorrect: Your answer is incorrect. (b) P(z ≥ 2.43) = (c) P(−1.80 < z < 1.36) =

asked by Sara on October 20, 2014
55. ## calculus

Find the coordinates of the centroid of the following volume of revolution formed by rotating the area bounded by y^2-4=-x^2, x=0,x=1, And the "x" axis about the "x" axis.

asked by harry on April 11, 2013
56. ## Help Needed! Precalculus

Find all solutions to cos(8alpha)-cos(2alpha)=sin(5alpha) on 0 less than or equal to alpha less than (2pi)/3

asked by anonymous on April 12, 2013
57. ## New here

Hi, I'm in 7th grade and I am new to this site. Could someone please tell me how this site works and also, how do I find out if someone posted an answer to the question I asked? Thank You! Rayne

asked by Rayne on November 2, 2017
58. ## math class viii

Q.1) The volume of a right circular cone is 37.68 dm3 .If the the base is 3 dm, find (1) the height (2) the curved surface area of the cone .( Take π=3.14)

asked by mensuration on October 23, 2017
59. ## math

find the points to the curve y=(cos x)/ (2 + sin x) at which the tangent is horizontal... can you explain how get the answer thoroughly and step by step...

asked by khela on October 28, 2010
60. ## physics

The angular position of a flywheel is given by theta=(2+5t+2t^2)rad . find the angular speed and acceleration at 3^rd second after the motion had been started.

asked by help on March 11, 2015
61. ## physics

A 0.50-kg ball is attached to a string of 0.50 m and swung in a horizontal circle with a velocity of 1.0 m/s. Find the centripetal force of the ball. ac=1.0^2/0.5 =2 2(.50) = 1.0 N

asked by Jon on April 2, 2008
62. ## PHYSICS:

find the maximum velocity of a swingling pendulum bob.Hint potential energy(P.E)=kinetic energy(K.E)

asked by CHIDIEBERE on February 2, 2016
63. ## VB

To paint a graphic image into a picturebox control, you would use the function _______ i cant find the answer anywhere, but im thinking paint

asked by Tiffani on September 25, 2007
64. ## Math

Ramu is fourth times as ola as hi daughter after sixteen year he will be twice as old as his .Find his daughter present age

65. ## Math

Find the standard deviation for the given data. Round your answer to one or more decimal places than the original data. 3){15,13,31,42,58,78} A)534.3 B)23.1 C)36.5 D)39.5

asked by anonymous on March 28, 2011
66. ## Math Statistics

26. Flight Data: Use the times required to taxi out for takeoff. For American Airlines, how is it helpful to find the mean? Taxi Out: 30 19 12 19 18 22 37 13 14 15 31 15 16 14 15 27 19 22 22 23 16 13 16 18 15 12 19 18 21 20 13 15 43 18 17 19 13 20 12 17 35

asked by Lexus on May 13, 2016
67. ## MATH

Find the missing length for a right triangle with hypotenuse of 18 and a leg length of 6. Round to the nearest whole number if necessary. A. 17** B. 324 C. 19 D. 36

asked by Anonymous on March 2, 2019
68. ## prealgebra

the height of a tringle is 3 ft longer then the base. the area of the trianlge is 35 sqft. find the hight and base of the triangel.

asked by jackson on November 3, 2008
69. ## physics

The position of an object as a function of time is given by x = At2 – Bt + C, where A = 7.3 m/s2, B = 5.8 m/s, and C = 4.5 m. Find the instantaneous velocity and acceleration as functions of time. (Use the following as necessary: t.) help!!!!!!!!! thank

asked by nicole on August 28, 2012
70. ## calculus

Find parametric equations for the line through the point P(2, 9, 4) that is parallel to the plane x + y + z = 6 and perpendicular to the line x = 5 + t , y = 5 − t , z = 5t . Answer Choices: 1. x = 2 + 6t, y = 9 + 4t, z = 4 + t 2. x = 2 + t, y = a + t, z

asked by Bob on October 27, 2010
71. ## ALGEBRA

The perimeter of a traffic sign must be 128 inches. It's length is 8 inches longer than the width. find the dimensions.

asked by AMBER on March 28, 2012
72. ## math

Jim’s pool is the shape of a rectangle. The length is 6 m less than three times the width, and the perimeter is 68 m. Find the dimensions of the pool.

asked by gee on November 3, 2017
73. ## phyiscs

if 0.4 force is required to pull a body attaching to spring 0.1m from the position of equality find the spring constant?

74. ## phyiscs

if 0.4 force is required to pull a body attaching to spring 0.1m from the position of equality find the spring constant?

75. ## Calc help

find the area of the region enclosed by y=e^2x, y=e^5x, and x=1. i am having trouble seeing how this region looks like and having problems with how to start the problem in general. Much help is appreciated.

asked by James on February 19, 2009
76. ## writing

find information about a hurricane that occurred within the last week? A newspaper science journal science magazine encyclopedia

asked by Anonymous on May 10, 2012
77. ## Chemistry

If I am given a titration curve with 3 pKas, pH values of an unknown acid, and volume of base used, how do I find out the concentration of the acid? Thanks.

asked by TA on September 27, 2013
78. ## physics

ok the question is: consider a concave mirror with a focal length of 13.72 cm find the image distance when the object distance is 6.86 cm. ok so i did 1/6.86 + 1/q = 1/13.72 so 1/q = -.0728862974 is this right?

asked by Claudia on May 16, 2009
79. ## surface area and volume

The diameter of two cones are equal if their slant height are in the ratio 5:4, find the ratio of their curved surface area

asked by s.yashraj on January 31, 2016
80. ## Math

How do you find the perimeter on a on a what????? what is "integer" in math terms for example 15 steps behind directions say "write an integer to represent each situation"

asked by Jordan on March 29, 2007
81. ## chemistry

3 moles each H 2 and I 2 are introduced into 1 lit box at temperature of 490'c. find concentration of H 2 in box at equilibrium is established?

asked by Anonymous on October 4, 2011
82. ## math

Solve the linear programming problem by the method of corners. Find the minimum and maximum of P = 3x + 2y subject to 3x + 5y ≥ 20 3x + y ≤ 16 −2x + y ≤ 2 x ≥ 0, y ≥ 0 The minimum is P = at (x, y) =

asked by Brian on June 10, 2017
83. ## Algebra

Find the product of (x^2 - 3x + 5) with the quotient of (10x^6 - 15x^5 - 5x^3) ÷ 5x^3. I need some help with this. I'm really unclear on the steps and how to solve this as a whole. I don't just need an answer, I'd like to know the steps as well. Please?

asked by Acezar on November 1, 2010
84. ## Analysis

Find the amplitude, period, and phase shift of the functions: f(x)=4sec(x+3pi/2) f(x)=tan((1/3t)-pi) f(x)=-5sin(4t+3pi)

asked by Purplechick4 on March 29, 2012
85. ## mathematics :integration

A particle moves in a straight line through a fixed point O with velocity (4-t)m/s find an expression for its displacement S from this point given that S=5 when t=0

asked by Diana on July 6, 2015
86. ## algebra

3. Find a model for the set of values. x –5 –4 0 4 5 y 25 16 2 16 25 Can someone explain what the graph might look like whether it opens up or down, or slanted line or squiggle line

asked by lee on November 14, 2012
87. ## Trig.

If TanTheta= -65/72 and the terminal side of theta lies in Quadrant II use a pythagorean identity to find sec theta.

asked by Joe on February 13, 2016
88. ## math

A 270 in pipe is cut into twp pieces. One piece is twice eight time the length of the other. Find the lengths of the pieces.

asked by Daniel on October 6, 2010
89. ## Algebra

Find the domain of the function. Write in interval notation. sqrt(x^2 − 64). For the answer, I got (-infinity, -8)u(8, infinity), but that's wrong, and I'm not sure what else to try?

asked by kelly on September 12, 2015
90. ## math

find the volume of the cup. the diameter of the top is 3inches. the diameter of the base is 2inches. the height is 4inches.

asked by meeeeee on May 22, 2011
91. ## calculus

Let A be the bounded region enclosed by the graphs of f(x) = x , g(x) = x3 . Find the volume of the solid obtained by rotating the region A about the line x + 2 = 0.

asked by me on October 31, 2010
92. ## math

Find the standard deviation for the given data. Round your answer to one more decimal place than the original data. 10) {15, 13, 31, 42, 58, 78} A) 36.5 B) 534.3 C) 39.5 D) 23.1

asked by Anonymous on December 13, 2009
93. ## Algebra

The following equation has three solutions. Look for the greatest common factor, then use the quadratic formula to find all solutions. 10t^5 + 5t^4 = 50t^3

asked by Merty on April 27, 2015
94. ## mathematics : intergration

A particle moves in a straight line through a fixed point O with a velocity (4-t)m/s find an expression for its displacement S from this point given that S=S when t=0

asked by Diana on July 6, 2015
95. ## Math - Calculus

For the following arithmetic sequence: determine the common difference. Find the next three terms of the sequence. e) 2/3 , 1/15, -8/15 I really don't get how to solve this one, I see no pattern :\

asked by Anonymous on September 11, 2011
96. ## hardware

In design and modeling class we need to build a model couch but we can't find a website to help us on how to build one with a heater. plz help us, thanks.

asked by taavon on August 31, 2010
97. ## Physics

A charge +Q and -2Q were placed on first and third of three very large parallel plates. The middle plate is earthed. Find the chargeon right extreem plate

asked by Arjun on July 15, 2011
98. ## physics

The angle of refraction of a ray of light traveling through a piece of flint glass is 24°. Find the angle of incidence.

asked by lilybell on November 26, 2017
99. ## Math

X varies directly as a product of u and v and inversely s thoer sum . If x=3 when u=3andv=1 find (a) the relationship connecting x,u,v (b). What is the value of x if u=3andv=3?

asked by Faith on January 4, 2019
100. ## English -Part of speech

Can someone please help? I have a list word I need to know the part of speech, and the punctuation: Forid - which meansflowery ,showy. We were given that meaning but can find the word anywhere.

asked by Mike on April 18, 2009