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

97,722 questions, page 390
1. ## Linear Algebra

Find the inverse of the matrices if they exist. Use the algorithm introduced in this section. 1 2 -1 -4 -7 3 -2 -6 4

asked by Allan on October 5, 2011
2. ## maths

a circular pool is 300 and height is 250 find the radius

asked by rita on June 10, 2016

find the product of the only set of three consecutive prome numbers that differ by 2.

asked by bethany on January 19, 2010
4. ## Calculus

The velocity v(t)= -t^2 + 6t - 8, find the displacement and distance traveled during the time interval [-1,5]?

asked by Z32 on December 11, 2009
5. ## physics

Find the electric flux through each surface. (Use any variable or symbol stated above along with the following as necessary: ε0.)

asked by John on September 14, 2011
6. ## ELITRICAL MATH! (LAST ONE FOR TODAY, HOPEFULLY!)

Find each unit price. Which is the better buy? Explain. Electrical wire: $1.49 for 3 ft.$.69 for 18 in.

asked by Agal on November 17, 2016
7. ## Maths

Find the equation of the parabola with latus rectum joining the points (3,5) and (3,-3)

asked by Angelina on February 14, 2016
8. ## chemistry

how to find the volume of oxygen at STP from the Deoomposition of 10.8 g of mercuric oxide?

asked by jamar on May 1, 2010
9. ## AP Calculus

Find an equation of the tangent line to the graph of f at the given point. f(x)=27/(x^2+9) (-3,3/2) I got y=x/2+3, but I don't think its right.. please help!

asked by LaLaLa on August 24, 2013
10. ## physics(online)

Find the change in the force of gravity between two planets when distance between them is decreased by 12

asked by hannah on January 21, 2014
11. ## maths

find the equation of the line joining the origin to the point of intersection 4x+3y=8 and x+y=1

asked by manpreet on January 11, 2013
12. ## math

The measures of the angles of the quadrilateral are in the ratio of 2:4:6:8, Find the measure of each angle.

asked by princy on April 11, 2015
13. ## Calculus

Find the area of the region bounded by the graphs of y = x, y = 6 - 2x, and y = 0. (4 points) 3 6 9 None of these Please help I don't know how to do this

asked by Ben on February 14, 2016

the volume of a pyramid with a rectangular base is v=1/3LWH. find W if V=500 L=15 and H=4. a) W=25 b) W=20 c) W=18 d) W=15

asked by allison on November 17, 2009
15. ## pre cal

Find f of g of h and state the exact domain. f(x) = sqrt x g(x)= e^x - 13e^x/2 + 42 h(x) = 2x I need help on this one bad! Please help!

asked by Anonymous on October 5, 2011
16. ## aig

where are some cites we can find some great information about the pacific island samoa???

17. ## math

how do I find the number of zeros in the quotient of 8x10 tithe fifth power

asked by Rich on September 14, 2015
18. ## Physics

Find, to 3 decimal place, the frequency of the hour hand of a clock

asked by Lucy on September 14, 2016
19. ## math

If Cosinex = 4/5 and x has its terminal side in quadrant lV, find the exact value of tangent 2x

asked by Jaslin on April 15, 2010
20. ## science

Find the frequency and wavelength of a 50-MeV gamma-ray photon.

asked by Sheryl on October 9, 2011
21. ## chemistry

How do you find the number of moles in a substance if you have the density and the molecular weight?

asked by Max on April 13, 2010
22. ## algebra

find the slope and the y intercept of the line 9y+4x +9=15+4x write in lowest terms

asked by roben on September 8, 2011
23. ## Linear equations

Please help me solve this problem- Find an equation for the line perpendicular to 6x+2y=-2 having the same y-intercept as -4x-3y=6

asked by Joyce on October 8, 2011
24. ## Calc II

Find the function y = y(x) which solves the initial value problem: 4sec(x)*dy/dx = e^(y+sin(x)) where y(0) = -5

asked by Anon on January 28, 2016
25. ## math

How do you find a range to estimate each sum 388+192+741 Thank you.

asked by Krista on September 8, 2011
26. ## Math-asymptotes

hi! so I have a rational equation : y = -3/x+1 and i'm wondering how you find the horizontal and vertical asymptotes.

asked by Amma on February 16, 2016
27. ## AED

i cant find ne thing for theses questions Do you have a responsibility to limit their rights?

asked by dawn on February 22, 2008
28. ## Math

the radius of a circular car tire is 12.5 inches. Find the circumference. use 3.14 for PI. A 39.25 in B 46.4 in C 62.53 in D 78.5 in

asked by Amélie on February 27, 2019
29. ## Physics- for Quidditch

I posted the question about the rain before and I understnad how to find componnets...but how would I do that without a given angle?

asked by Anonymous on October 7, 2007

Where did Opal find Winn-Dixie when he ran away from a thunder storm? Thank you.

asked by Happyface on August 26, 2008
31. ## math

i need help... i dont know hoe to explain this or how to solve it. Find the function rule: x= -2,-1,0,1,2 y= 9,4,-1,-6,-11

asked by Anonymous on March 6, 2017
32. ## math

let f(x) = x^3 +1 a.find the points on the graph of f where the slope of the tangent line is equal 12

asked by Tee on December 1, 2013
33. ## Math

theta = 16 pi / 5 How to find the reference angle in radians? Do i have to use degree to pi conversion?

asked by Sandy on November 7, 2014
34. ## maths

Q:if x= 2x10^5 and y=3x10^-3 correct to one significant figure,find the greatest and least possible value of: i)x/y

asked by sweetie on December 25, 2010
35. ## maths

Q:if x= 2x10^5 and y=3x10^-3 correct to one significant figure,find the greatest and least possible value of: i)x/y

asked by sweetie on December 25, 2010
36. ## Math

What equation would i use to find out the actual yearly rate if interest on something? can you explain it to me?

asked by Ariele on April 15, 2008
37. ## geometry

find the image vertices for a dilation with center (0,0) and a scale factor of 4

asked by kevin on March 13, 2012
38. ## algebra

Create your own polynomial with a degree greater than 2.find the zeros of the function.

asked by angela on November 6, 2014
39. ## stats

x and y independent exponential r.v with respctive parameters 2 and 3. find the cdf and density of z = x/y.

asked by ripa on November 8, 2006
40. ## Trig

y=sin(2pi*x-pi) find the amplitude, period, and phase shift

asked by Lauren on April 1, 2012
41. ## Math

Find the distance between the points with polar coordinates (3, 120°) and (0.5, 49°)? Is the answer 2.88?

asked by Athena on April 14, 2013
42. ## math

K is the midpoint of JL JL=4x-2 and JK=7. find x, KL, and JL. Very confused , can you please show steps to working out the problem

asked by sasha on August 25, 2013
43. ## ap chem

Find the molecular mass of a solute by freezing point depression.

asked by anonymous on April 13, 2010
44. ## equations

solve for x and y x+y=5 and x^x + y^y = 31 i have found x,y = 2,3 or 3,2 but i got the answer by merely substituting the values... is there any proper way to find x and y??

asked by help pls on May 22, 2013
45. ## science

i need help on this question i need to find two ways to reduce the effects of mining i came up with one so far reclamation

asked by Amber on September 15, 2009
46. ## Geometry

Find the number of degrees in the point angle of each figure. Explain. {9/3}

asked by Jackie on December 11, 2009
47. ## math

Find the equation of an ellipse with minor axis length 8 and vertices at (-9,3),(7,3)

asked by stu on December 30, 2010
48. ## Geometry

Find the value of the variable and VW if V is between U and W. UV=2,VW= 3x, UW=29 UV = r, VW = 6r, UW =42 UV = 4p - 3, VW = 5p, UW =15 UV = 3c+29, VW = -2c-4, UW = -4c Need a site to explain how to do these. Teacher not clear on explaining.

asked by Emily on September 15, 2009
49. ## geography

We can't find the continent closest to 85south and 120 east on the map

asked by Anonymous on April 5, 2015
50. ## Pre-Calc

Find the area of the region between the graph of y=1/x, the x-axis, and the vertical lines x = 1 and x = 4.

asked by Lena on September 10, 2011
51. ## Math

Work out the base used and then find the missing figure. 3**2+2351=10033

asked by Anonymous on September 10, 2018
52. ## Math

The length of a rectangle is 2m more than is its B.find the dimensns of the rctngl if its permtr is 56m.

asked by Simran kaur on November 7, 2012
53. ## Math

Work out the base used and then find the missing figure. 3**2+2351=10033

asked by Anonymous on September 10, 2018
54. ## math

Find the area of a parallelogram with base 32cm and height 16.5cm

asked by mohiit on February 16, 2016
55. ## math

Find the equation of an ellipse with minor axis length 8 and vertices at (-9,3),(7,3) is this right so far? (X+1)^2/not sure +(y-3)^2/64=1

asked by stu on December 30, 2010
56. ## math

i think you have to find it by quadractic way or b- {b2-4ac] divided by 2 times a. i get what you mean but the answer is not right. h(t)=-4.9t2 +16.9t+0.5

57. ## Calculus

Find an equation of the tangent line to the given curve at the specified point: y=sqrt(x)/x+1, (4,2/5)

asked by Amber on March 11, 2013
58. ## Algebra

Find a quadratic equation with integer coefficients whose roots are 2 and7.

asked by Tisha on November 9, 2008
59. ## medical codng

where can I find info on the importance of a fee schedule and the factors its based on thank you

asked by uknown on December 12, 2008
60. ## Algebra2

find a quadratic function in standard form for each set of points. (-1,2),(0,1),(1,-4)

asked by Steve on March 6, 2017
61. ## Physics

Find the movement of a particle that moves along a straight due to the force F=-k*m*v(^2)

asked by Maribel on November 12, 2012
62. ## Algebra 2

Find all numbers that must be excluded from the domain of the given rational expression. 1) x^2+4x/x^2-16 2) 6x^3y-6xy/x^3+5x^2+4x 3) 4-x^2/x^2+x-6

asked by Gabby on March 14, 2012
63. ## English 1

Through changing his facial expression indicates he may find a particular sound soothing or comforting.

asked by Chris on December 30, 2010
64. ## human resources

Where can I find out about the vision and or goals for Michael's company (arts and craft)

asked by China on July 31, 2008
65. ## calculus

Find the equations for the lines tangent to the ellipse 4x^2+y^2=72 that are perpendicular to the line x+2y+3=0

asked by Anonymous on October 10, 2010
66. ## Chemistry

How do you find the number of bond angles for an octahedral structure? I believe it's more than one answer

asked by Caitlin on October 28, 2011
67. ## math

find the coordinates of the centroid of a triangular metal part with vertices at A(12,18) B(18,6), and C(3,12)

asked by Ted on October 25, 2010
68. ## geometry

Find a function that models the area A of a circle in terms of its circumference C.

asked by David on October 8, 2009
69. ## math

find the particular solution that satisfies the differential equation and the initial condition f’’(x)=x^2 , f’(0)=4, f(0)=8 f(x)=

asked by Anonymous on March 6, 2019
70. ## Calculus

Find the point on the graph of z = 3x^2 − y^2 at which vector n = ⟨12, 4, −1⟩ is normal to the tangent plane. So far I've got: fx(x,y) = 6x = 6a fy(x,y) = -2y = -2b Where do I go from there?

asked by EKM on October 15, 2018
71. ## Math

Find the Largest share \$360 000 is divided in the ratio 3:4:5

asked by Sofia on May 8, 2017

find all real numbers that satisfy the equation: sinx= -\sqrt3/ 2

asked by Anonymous on July 14, 2014
73. ## algebra

Solve.(Find all complex-number solutions.) 12t^2 + 17t = 40

asked by Jane on March 6, 2015
74. ## Math

Use compatible numbers to find two estimates that the quotient is between. For example: 1,624 divided by 3

75. ## geometry

Find the coordinates of A' and D if ABCDE∼A′B′C′D′E′, the center of dilation is F (-6,1), and the scale factor is 3. . A (2,2), B (-2,2), C (-3,4), E (2,5), B' (6,4), C' (3,10), D' (9,19), and E' (18,13). i really need help on this, thank you

asked by rory on July 31, 2018
76. ## Algebra

find the greatest common factor of these expressions 20v^7 u^3 and 16x^6 v^4 u^5

asked by Anonymous on November 4, 2013
77. ## calculus

Find a point c satisfying the conclusion of the Mean Value Theorem for the following function and interval. f(x)=x^−1 [1,9]

asked by saud on November 6, 2011
78. ## Math

Hey everyone!! please help.. Find a function f such that the graph of f has a horizontal tangent at (1,0) and f"(x)=10x?? Thanks

asked by Herbie on April 18, 2013

Point N is on hypotenuse BC of triangle ABC such than angle CAN is 45 degrees. If AC=8 and AB=6, find AN.

asked by My Name Is Bob on April 29, 2012
80. ## history

The impact of segregation in washington dc after the civil war. were can I find information?

asked by Isaiah on June 21, 2010
81. ## math

find the variation constant in which y varies inversely as x, and the following condition exists, y =12 and x = 1/3

asked by willa on June 18, 2011
82. ## Physics

I've read all my resource materials and looked for outside resources already and i can't find an equation for this. I would appreciate any help

asked by randy on July 8, 2015
83. ## calculus

Find the angle ABC, if A = (4, –3, –1), B = (0, 0, 0) and C = (–2, –3, 5) Could you lead me in the right direction I don't know where to start

asked by Johannie on June 19, 2011
84. ## Math

I am trying to figure out how to find the answer for r in a fraction. I have about 20 problesms and just need help getting started. The first problem is r/4+2=5.5

asked by Corbin on February 19, 2012
85. ## geometry

An isosceles trapezoid has bases of 4 and 10. If the base angle is 45°, find the area.

asked by Anonymous on June 8, 2010
86. ## trig

Find the focus, directrix and axis of the parabola with equation x= 2y^2+3? Thank you for helping me!

asked by Jenny on June 8, 2010
87. ## pre-algebra

Given the linear equation y=-5x-2. Find the y-coordinates of the points (-1), (-2), and (1). Please show all of your work.

asked by cody on June 20, 2011
88. ## math alggggggggebra

Find the largest number of real numbers x1,...,xn such that for all i≠j, |xi−xj|>1/100(1+xixj).

asked by joydeep3 on May 14, 2013
89. ## math

Find their slopes and conclude whetever the lines are parallel, perpendicular or neither a) y = 3 x = - 2 b) y = -4 y = x

asked by Homework on November 15, 2017
90. ## Article finding

Hi, I was wondering where I can find some articles on cognitive or abnormal psychology for an assignment.

asked by Alex L. on November 5, 2011
91. ## pre-cal

Find the solution of the exponential equation, correct to four decimal places. 4^(2x − 1) = 6

asked by melek on February 19, 2012
92. ## Maths equation plz help urgently

asked by Anonymous on January 3, 2016
93. ## physics

find the acceleration of a bicycle slowing fron 3m/s to a stop in 5 seconds?

asked by aira on January 2, 2016
94. ## science

can anyone help me find any directions on how to make a spinal cord model out of clay?

asked by Anonymous on June 8, 2008
95. ## calculus

find y' if x^2y^4+3y-4x^3=5 cos x-1 (2x-y^4)+(dy/dx4y^3*x^) +dy/dx+12x^2=5(-sin x-1) is this started correctly

asked by sarah on February 27, 2017
96. ## pre-cal

Find the solution of the exponential equation, correct to four decimal places. 4^(2x − 1) = 6

asked by melek on February 19, 2012
97. ## chemistry

Elements in group 2A(2) 0f the periodic table from ions with a change of, How would I find this out. 1+ 1- 2+ 3+ 0

asked by mema on June 19, 2011
98. ## Calculus

find the particular solution of the differential equation that satisfies the conditions: f''(x)=sin(x)+e^(2x) f(0)=1/4, f'(0)=1/2

asked by Arie on May 18, 2016
99. ## biology terms

i need help to find what some biology terms mean. -substrate concentration - enzyme - catalyst

asked by Kali on October 6, 2008
100. ## Calculus

Find any relative max or min points of the given function y=3x^2+12x+17 So far, I have: y'=6x+12=0 2(3x+6)=0 x=-2

asked by Mike on March 31, 2018