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

97,722 questions, page 501
1. ## Pre calc

If 250 mg of a radioactive element decays to 200 mg in 48 hours, find the half-life of the element

asked by Dom on April 28, 2010
2. ## Pre-Calculus

Find dy/dx if y= x^6[(x^2-9)^8]? So the answer is supposed to be 2x^5[(x^2-9)^7](11x^2-27), but I don't understand how to get it. Do you use product rule, chain rule or both? thanks

asked by Ann on January 29, 2014
3. ## MATHEMATICS

How do you find the average deviation from these numbers: 290 , 270 , 250 , 300 , & 290. I think their mean is 280

asked by DAN on April 9, 2012
4. ## calculus

Regard y as the independent variable and x as the dependent variable and use implicit differentiation to find dx/dy. y sec(x) = 9x tan(y)

asked by Katie on October 17, 2010
5. ## math

the perimeter of a rectangle is 147 meters the length is 15 meters less than 5 times the width find the dimension

asked by jennifer on October 17, 2010
6. ## Mary

Can someone please tell me the heat of fusion for Lauric Acid, Oxalic Acid, and Cetyl Alcohol? I've looked and can't find them anywhere! Thanks!

asked by Chemistry on January 13, 2013
7. ## Math

Find the absolute maximum value and the absolute minimum value, if any, of the function. (If an answer does not exist, enter DNE.) f(x)=x^3+3x^2-1 on [-3,1]

asked by Britney on November 7, 2012
8. ## physics

how to find the tension in a rope when we know that the weight of the body attached to the rope is 50 newton? if there is a formula for that can you please tell thankyou

asked by hanan needs you on August 25, 2012
9. ## science

Design a pseudocode and a flowchart to input three numbers,find their total and average,and print both numbers.

asked by abews on February 4, 2013
10. ## Math

To solve a math problem for homework Carrie needed to find the total of 2 3/4 6.00 and 3 4/5 What should Carrie have gotten as an answer? 7.55?

asked by Jerald on November 10, 2012
11. ## Ap calc

A particle moves along the X axis with the acceleration a(t)=12t-6. If v(0)=3, find the total distance the particle traveled from t=0 to t=2. Please help

asked by Lynds on March 11, 2015
12. ## 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 = 4√x and y = 5 and 2y+2x = 6.

asked by Sam on February 28, 2017
13. ## geometry

A train in the mountains rises 10ft for every 250ft it moves along the track. Find the elevation of the track.

asked by joshua on March 25, 2015
14. ## Maths Algebra

Mona's👧 father👨 is thrice as old as mona👧. After 12 years,his👴age will be twice that of his daughter👩. Find their present ages.

asked by Sakshi sinha on August 20, 2016
15. ## Social Stuides

I was serching the web and couldn't find my answer to my question anywhere! My question is, Where does the European PArliament meet? Please help me!

asked by logan on November 29, 2007
16. ## Chemistry- acids/bases

Find the concentration of OH- of a solution of 45.0mL of 0.0921 M Ba(OH)2 diluted with enough water to make 350.0 mL of solution.

asked by Jessica on February 12, 2014
17. ## commace

from a pack of 52 cards two cards are drawn without replagement.find out the probability that first is of heart and secod is ace?

asked by santosh on February 16, 2012
18. ## maths

find the perpendicular distance from the corner of the triangle to the opposite side if the side is 25cm long

asked by molly on February 16, 2012
19. ## maths

deepak is twice as old as vikas after twelve years his age will be thrice that of vikas. find there present ages

asked by khushi on February 28, 2017
20. ## math

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. y=e^1x, y=e^4x, x=1

asked by Anonymous on November 9, 2012
21. ## prealgebra

you play a CD that has 11 songs using the random setting find the probability that the CD player plays songs 3 first and then song 5.

asked by vivkvivkf on April 11, 2012
22. ## PHYSICS

find the heat of fusion of ice M copper calorimeter= 50 g M h20 200 g at 30 C M ice=20.45 at 0 C t2= 20C

asked by lollipop225 on March 16, 2015
23. ## Math

A standard number cubes with the numbers 1 through 6 is rolled. Find the probability of rolling a number greater than 2.

asked by Michelle on November 27, 2010

The ratio of the measures of three sides of a triangle are 1/2:1/3:1/5, and its perimeter is 6.2 centimeters. find the measure of each side of the triangle

asked by Edisooner on January 22, 2009

find two boxes that will hold half as many centimeter cubes as the 3 centimeters by 4 centimeters by 6 centimers box. Thank you

asked by chance on October 12, 2010
26. ## Math 116A

If I graph a line containing the given pair of points how do I find the slope? (4,6) (-2,-3) M= or is the slope undefined I got -3-(-2)/-2-4 and it becomes 1/6 I don't think this is correct help!!!!!!!!!!

asked by Katie A on September 28, 2011
27. ## newspaper help!!!!!

September 27 is the birthday of newspaperman Thomas Nast. If you were looking in the newspaper to find the works of Mr.Nast on what page would you be looking?

asked by mia on September 25, 2013
28. ## Geometry

Point J is between H and K on line segment HK. use th given information to write an equation in terms of x. Solve the equation. Then find HJ and JK. HJ=(x/4) JK= 3x - 4 KH = 22

asked by Aaron on September 1, 2014
29. ## Calculus

Find the volume of the solid by subtracting two volumes, the solid enclosed by the parabolic cylinders y = 1 - x 2, y = x 2 - 1 and the planes x + y + z = 2, 6x + y - z + 16 = 0.

asked by Aaron on February 16, 2012
30. ## Math

If the sides of a disheveled triangle is 9cm, 9cm and 4cm, find the height on the shortest side.

asked by Dian on November 15, 2016
31. ## Calculus plz help integral

Find the integral of §x^1/2.e^xdx at upper limit of 1/2 and lower limit of zero..show work plz

asked by Collins on October 26, 2015
32. ## math

Find the perimeter of a rectangular area with a length of 13 inches and a width of 7 inches using distributive property and not using it.

asked by ginger on December 1, 2016
33. ## prealgebra

you play a CD with 11 songs using the shuffle settings. find the probability that the CD player plays song 3 first then song 5.

asked by vivkvivkf on April 11, 2012
34. ## math

the position vectors of the point A,B & C respect to O are a=3i-2j+4k, b=i+3j-4k, c=-2i+5j-3k. Find a)the angle between a+b and a-b b)lamdar if vector a is perpendicular to b+lamdar k.

asked by yuni on December 24, 2011
35. ## MATHS

THE AVERAGE MARK OF 4 GIRLS IN A SCIENCE TEST IS 6,THE MARKS OF 3 OF ZM ARE 5,7,4.FIND THE MARK OF THE 4TH GIRL.

asked by EZRA on July 19, 2016

Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. y=2+1/x^4,y=2,x=4,x=9; about the x-axis.

asked by archi on February 9, 2012
37. ## Math Calc

Given a right triangle ABC with a=13 and b=26, find the value of angle A, angle B, and side length c. Round to the nearest thousandth.

asked by Johnny on November 2, 2014

Can you summarize this but not reveal the ending like instead of the ending, type 'Read to find out what happened'. Backspace the spaces: h t t p : / / w w w . d o c i n . c o m / p - 3 4 5 9 9 3 4 9 . h t m l

asked by Ishana Mishti Aapke Babe on May 5, 2010
39. ## In Science Plant Quiz

I am in Grade3 looking for Plants Quiz Questions and Answers, like objective type Questions need, please let me know the link where I can find ?

asked by jhon123 on October 22, 2008
40. ## steve plz help me on my math

Find the perimeter of a rectangular area with a length of 13 inches and a width of 7 inches using distributive property and not using it.

asked by Lucy on December 1, 2016
41. ## MATH Prob.

When a single card is drawn from an ordinary 52-card deck, find the odds in favor of getting the 4 of spades.

asked by Twg on August 20, 2009
42. ## math

you competed in a 3.9 kilometer race you finished the race in 0.4 hours. which equation can you solve to find your speed, R?

asked by john on October 17, 2009
43. ## Algebra

Suppose H(x)=(sqrt5x+3). Find two functions f and g such that (fog)(x)= H(x) . f(x)= g(x)= Neither function can be the identity function. (There may be more than one correct answer.)

asked by Janet on February 4, 2011
44. ## Chemistry- acids/bases

Find the concentration of OH- of a solution of 45.0mL of 0.0921 M Ba(OH)2 diluted with enough water to make 350.0 mL of solution.

asked by Jessica on February 12, 2014
45. ## Calc I

with finding the area under a line i need to find anti derviatives for: e^3x dx Cos^4 x Sinxdx e^(x^2) xdx e^x^2 dx Cos(3x)dx

asked by kenny on December 8, 2011
46. ## Math

The third angle in an isosceles triangle is 116° more than twice as large as each of the two base angles. Find the measure of each angle.

asked by Gabriel on September 30, 2014
47. ## MATHS

in a GP,the product of the 2nd and 4th terms doubled the 5th term and sum of the first four term is 80.Find the GP.

asked by SALAUDEEN on March 3, 2015
48. ## MATH

find the slope,if any, of the line perpendicular to the line through the points (2,-7) and (3,4). i need to show my work!. i got 11 as my answer but i think its wrong.:(

asked by Anonymous on August 20, 2014

Find the installment price of a recliner bought on the installment plan with a down payment of \$90 and six payments of \$109.86

asked by Anonymous on November 17, 2013
50. ## math

A man walks 40 m due north and 50 m due west. Find the distance from the starting point?

asked by kinjal on July 22, 2016
51. ## precalculus

use the information to solve the triangle. If two solutions exist, find both solutions can you show how to work this out? A=150°,b=4.8,a=9.4

asked by Anonymous on November 27, 2016
52. ## maths

A rectangular feild 15m long and 9m. Width it has apath 1.5m width all around it find the area of the path

asked by suchitrs on February 22, 2017
53. ## calculus

Find the volume that remains after a hole of radius 1 is bored through the center of a solid sphere of radius 2.

asked by Jane on December 8, 2011
54. ## Pre-Cal

Identify the following features of the graph of g(x) = (3/2)^x+2 A) Asymptotes B) Intercepts C) Increasing or decreasing Once I graph this on my calculator, how can I find these?

asked by Mark on March 22, 2010
55. ## Math

The x-axis, the y-axis, and the line through the point (1, 3) having slope -3 form a triangle, find the area. Is the answer 6

asked by Lilly on December 26, 2013
56. ## math

One card is selected from a deck of cards. Find the probability of selecting a red card or a heart

asked by john on November 25, 2010
57. ## Math

Find the volume of the largest right circular cylinder (in units^3) that fits in a sphere of radius 4 units.

asked by Meghan on April 7, 2018
58. ## math

One card is selected from a deck of cards. Find the probability of selecting a black card or a queen.

asked by Anonymous on November 25, 2010
59. ## math

find the capacity of an oil tank if an addition of 15 gallons raises the reading from 1/4 full to 5/8 full

asked by sh on July 23, 2016
60. ## math

Suppose x has a binomial probability distribution with n = 200 and p = 0.60. Use the normal approximation to the binomial to find P (X > 130).

asked by Bill on November 18, 2015
61. ## year 7 ict

please could someone tell what a screenshot is. i need to explain the different sections but ive got no idea where to start. ive looked myself but can`t find anything to help. thanks to anyone who helps me.

asked by toby on February 13, 2008
62. ## physics

An MP3 player operates with a voltage of 3.7 V, and is using 0.14 W of power. Find the current being supplied by the player's battery.

asked by John on February 28, 2013
63. ## circles

I have to factor this to find what this graph looks like but I don't know if I'm doing it right. 6x^2-12x+6y^2+36y=36 3x^2-6x+3y^2+18y=18 I'm stopping there because I don't know if I divide by 2 or 6

asked by Anonymous on August 26, 2008
64. ## chemistry

150ml of a gas at 27C is heated to 77C at a constant pressure.find the new volume of the gas.

asked by unknwn on October 29, 2012
65. ## Math

Find the variance for the given sample data. Round your answer to one more decimal place than the original data. 7 7 2 5 1

asked by Promise on October 24, 2017
66. ## chemistry

150ml of a gas at 27C is heated to 77C at a constant pressure.find the new volume of the gas.

asked by unknwn on October 29, 2012
67. ## chemistry

Mole fraction of NaOH is aquous sol 0.15 Find molarity of the solution, %w/w, if the density of solution is 1.25 g/ml

asked by shivani on August 4, 2013
68. ## Physics

Find the mechanical energy of a block-spring system having a spring constant of 0.93 N/cm and an oscillation amplitude of 4.2 cm.

asked by Javan on December 5, 2011
69. ## math

How to find the interst rate on an investment of 3000 after four years received 4105.71. What is the interest rate

asked by CD on April 23, 2014
70. ## Calculus

An isosceles triangle has perimeter 64m. Find the dimensions of this triangle that make its area a maximum

asked by John on May 17, 2011
71. ## math

A pair of hiking boots is marked 3/8 off the regular price. If the discount is \$16.95, find the sale price.

asked by Queen on November 8, 2017
72. ## maths

In the equation (he)^2 = she the letters represent digits.Find replacements for the letters to make the statement true.

asked by Noah Sithole on July 16, 2014
73. ## statistics

in a scientific study there are 8 pigs 5 of which are pregant if 3 are selected at random without replaement find the probability that all are pregant

asked by joe on October 13, 2010
74. ## Algebra

I need to find the rule of the sequence. n 2 3 4 5 t(n) 75 1875 46875 1171875 I know the bottom is times 25, but I don't get how to do a rule that is t(n)=

asked by Lisa on October 13, 2015
75. ## math

The lifetime (In Years) of Manufactured product is Y=5X^0.7, where X has an exponential distribution with mean 1. Find the distribution function of PDF Y.

asked by Alex on April 20, 2011

asked by Sameul on November 24, 2009
77. ## CALCULUS:)

Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. x=3y^2, y=1, x=0 about the y-axis.

asked by Brit on August 16, 2011
78. ## Algebra

Let L be the line passing through the point P=(1, −1, −5) with direction vector →d=[−2, −4, 3]T, and let T be the plane defined by −x+y−3z = −1. Find the point Q where L and T intersect.

asked by shana on March 19, 2017
79. ## math

he 12th term in a geometric sequence is 49 and the 14th therm is 2401, find the 15th term

asked by Heather on December 18, 2011
80. ## math

Find the matrix which represents(a)a reflection(b)a half turn abt 0(c)a reflection in the line y=x).plz help me...)

asked by t on July 4, 2007
81. ## Ps 327x math

A spherical tank has a radius of 60 centimeter. Find the maximum volume of water the tank can hold.

asked by Tyrell on November 22, 2015
82. ## math

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. y=5x^2,y=x^2+3

asked by Philip on April 27, 2019
83. ## algbrea

translste the sentece into an equation and slove it.if 4 times a number is decreased by 9, the result is 19. find the number?

asked by cody on October 16, 2009
84. ## maori english

thank you for all help so far.i just need one more thing.can't find information abour dialects and varieties of maori english.need some features of those dialects.thank you

asked by bill on September 8, 2008
85. ## physic

How do I find the magnitude of the displacement between the two points. It start at point(0,2.024) and end at point(19.26,1.210)

asked by joy on January 26, 2018
86. ## Maths

A rectangle is 5cm longer that it is broad. It perimeter is 26cm. Find the length and breadth of the rectangle

asked by Mutiat on December 3, 2015
87. ## math

Find the exact value of the shortest distance from the origin to each line. y=x-4 is the equation of the line. When i do the problem I keep on getting 0 but that's not the answer!!! please help me.

asked by Allison on October 22, 2008
88. ## trig

How do you solve sin(e^x)=0 for x? The question is "find the smallest number x such that sin(e^x)=0".... but I can't even get AN answer lol! Much appreciated!

asked by Luna on September 11, 2013
89. ## trig

How do you solve sin(e^x)=0 for x? The question is "find the smallest number x such that sin(e^x)=0".... but I can't even get AN answer lol! Much appreciated!

asked by Luna on September 11, 2013
90. ## math

The sum of two consecutive integers is –49. Write an equation that models this situation and find the values of the two integers.

asked by brittany on March 19, 2015
91. ## Native American Literature

What were some major Native American achievements in the U.S. during the 1600s? I know that they were the first people to inhabit the Americas, but I can not find any other achievements.

asked by Ann on September 18, 2011
92. ## ap chemistry

use dimensional analysis to find how many moles of nitrate ions are in 40.0 mL of a 0.75 M aqueous solution of aluminum nitrate

asked by anonymous on August 9, 2016

Find the standard deviation for the given data. Round your answer to one more decimal place than the original data. 22, 29, 21, 24, 27, 28, 25, 36 A. 4.8 B. 4.2 C. 2.8 D. 1.6

asked by Amy on September 23, 2014

using ratio 1:2 find the perimeter of rectangle that has a width of 6 inches and a length of 8 inches? need answer asap

asked by sandra on November 16, 2010
95. ## Math

She has one board that is 3m7cm long and another board that is 3m 91cm find the total length of he two boards in meters

asked by Leah on November 23, 2015
96. ## college

the length of the top of a table is 3 m greater than the width. the area is 88m^2. find the dimensions of the table

asked by will on November 15, 2010
97. ## Math (Precalculus)

I have no idea how to do these problems: Given that U and V are in Quadrant II and sinU = 3/5 and secv = -ã13/3, find: A) cos 2U B) sin (v/2) c) cos(U+V)

asked by Joe on February 7, 2008
98. ## math

(a) Integrate wrt x:(〖2x〗^4- x^2+2)/x^2 (b) The gradient of the tangent at a point on a curve is given by x2 + 2x – 2. Find the equation of the curve if it passes through (2,3).

asked by bliss on September 8, 2016
99. ## Chem

Find pH. A) 0.10M Zn(OH)4^-2 F) Zn(OH)2 in 0.010M ZnCl2 Q) 0.010 M Zn(NH3)4^+2 hint: fined [NH3] then kb for OH^- Im having trouble with these can someone help me.

asked by Alison on March 25, 2012
100. ## Calculus

Find the vector equation of the line that passes through the point (2,-1,7) and is parallel to the line of intersection of the planes x + 2y - 3z = -6 and 3x - y + 2z = 4

asked by J on May 7, 2012