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

97,722 questions, page 45
1. ## Math (Algebra)

One root of the quadratic equation x^2 − 2x + m = 0 is 9. If the other root is n, what is n−m?

asked by Shin on May 21, 2013
2. ## Math

2 root 2 sin 2t + 2 root 3 tan 2t = 0

asked by Brianna on April 10, 2013
3. ## maths

prove that : 3^-3 * 6^2 * root 98 / 5^2 cube root 1/25 *(15)^-4/3 *3^1/3

asked by tuhituhi on March 29, 2013
4. ## Math

2 root 2 sin 2t + 2 root 3 tan 2t = 0

asked by Brianna on April 10, 2013
5. ## Algebra

1. what is the 6th root of 8j^6k^3m^3n? 2. What is the fourth root of 4f^2g^2?

asked by Kim on July 14, 2013
6. ## maths help polynomial agn

(2+root(3)^6+(2-root(3)^6 and then evaluate (1.004)^4

asked by newton!!! on April 16, 2016
7. ## math

Show that -1/2+ 1/2(i3 root) is a cube root of 1

asked by Praphul on December 9, 2012
8. ## Math

2 root 2 sin 2t + 2 root 3 tan 2t = 0

asked by Brianna on April 10, 2013
9. ## Math

Solve the following equation 1) root(2x+4)= root(6x+1) -1

10. ## Math

Simplify 6/sq root 3 +2 My answer is 12 - 6 sq root 3

asked by Steve on March 28, 2015
11. ## Physics

A square steel plate is 9.00 cm on a side and 0.600 cm thick. Assume that the plate is oriented with the square faces horizontal to the ground. A. Find the shear strain that results if a force of magnitude 1.00×106 N is applied to the top square face of

asked by Melissa on March 31, 2011
12. ## algebra

the local high school is setting up square-shaped lunch tables in the cafeteria. each table has an area of 12x^3-4x^2 square feet. if sqrt 3x+1 tables are put end to ed to form a banquet table, how long will the banquet table be? assume x>1/3 part 1: use

asked by melissa on April 10, 2013
13. ## math calculus

. Folding a Pyramid - A pyramid with a square base and four faces, each in the shape of an isosceles triangle, is made by cutting away four triangles from a square piece of cardboard and bending up the resulting triangles to form the walls of the pyramid.

asked by Paige on December 3, 2012
14. ## math calculus

. Folding a Pyramid - A pyramid with a square base and four faces, each in the shape of an isosceles triangle, is made by cutting away four triangles from a square piece of cardboard and bending up the resulting triangles to form the walls of the pyramid.

asked by Paige on December 3, 2012
15. ## math calculus

. Folding a Pyramid - A pyramid with a square base and four faces, each in the shape of an isosceles triangle, is made by cutting away four triangles from a square piece of cardboard and bending up the resulting triangles to form the walls of the pyramid.

asked by Paige on December 3, 2012
16. ## math calculus

. Folding a Pyramid - A pyramid with a square base and four faces, each in the shape of an isosceles triangle, is made by cutting away four triangles from a square piece of cardboard and bending up the resulting triangles to form the walls of the pyramid.

asked by Paige on December 3, 2012
17. ## math calculus

. Folding a Pyramid - A pyramid with a square base and four faces, each in the shape of an isosceles triangle, is made by cutting away four triangles from a square piece of cardboard and bending up the resulting triangles to form the walls of the pyramid.

asked by Paige on December 3, 2012
18. ## math calculus

. Folding a Pyramid - A pyramid with a square base and four faces, each in the shape of an isosceles triangle, is made by cutting away four triangles from a square piece of cardboard and bending up the resulting triangles to form the walls of the pyramid.

asked by Paige on December 3, 2012
19. ## math calculus

. Folding a Pyramid - A pyramid with a square base and four faces, each in the shape of an isosceles triangle, is made by cutting away four triangles from a square piece of cardboard and bending up the resulting triangles to form the walls of the pyramid.

asked by Paige on December 3, 2012
20. ## math calculus

. Folding a Pyramid - A pyramid with a square base and four faces, each in the shape of an isosceles triangle, is made by cutting away four triangles from a square piece of cardboard and bending up the resulting triangles to form the walls of the pyramid.

asked by Paige on December 3, 2012
21. ## math calculus

. Folding a Pyramid - A pyramid with a square base and four faces, each in the shape of an isosceles triangle, is made by cutting away four triangles from a square piece of cardboard and bending up the resulting triangles to form the walls of the pyramid.

asked by Paige on December 3, 2012
22. ## math calculus

. Folding a Pyramid - A pyramid with a square base and four faces, each in the shape of an isosceles triangle, is made by cutting away four triangles from a square piece of cardboard and bending up the resulting triangles to form the walls of the pyramid.

asked by Paige on December 3, 2012
23. ## math calculus

. Folding a Pyramid - A pyramid with a square base and four faces, each in the shape of an isosceles triangle, is made by cutting away four triangles from a square piece of cardboard and bending up the resulting triangles to form the walls of the pyramid.

asked by Paige on December 3, 2012
24. ## math calculus

. Folding a Pyramid - A pyramid with a square base and four faces, each in the shape of an isosceles triangle, is made by cutting away four triangles from a square piece of cardboard and bending up the resulting triangles to form the walls of the pyramid.

asked by Paige on December 3, 2012
25. ## math calculus

. Folding a Pyramid - A pyramid with a square base and four faces, each in the shape of an isosceles triangle, is made by cutting away four triangles from a square piece of cardboard and bending up the resulting triangles to form the walls of the pyramid.

asked by Paige on December 3, 2012
26. ## statistics

B} The average number of mosquitoes in a stagnant pond is 70 per square meter with a standard deviation of 8. If 36 square meters are chosen at random for a mosquito count, find the probability that the average of those counts is more than 70.9 mosquitoes

asked by Loren on November 12, 2014
27. ## math calculus

. Folding a Pyramid - A pyramid with a square base and four faces, each in the shape of an isosceles triangle, is made by cutting away four triangles from a square piece of cardboard and bending up the resulting triangles to form the walls of the pyramid.

asked by Paige on December 3, 2012
28. ## math calculus

. Folding a Pyramid - A pyramid with a square base and four faces, each in the shape of an isosceles triangle, is made by cutting away four triangles from a square piece of cardboard and bending up the resulting triangles to form the walls of the pyramid.

asked by Paige on December 3, 2012
29. ## math calculus

. Folding a Pyramid - A pyramid with a square base and four faces, each in the shape of an isosceles triangle, is made by cutting away four triangles from a square piece of cardboard and bending up the resulting triangles to form the walls of the pyramid.

asked by Paige on December 3, 2012
30. ## math calculus

. Folding a Pyramid - A pyramid with a square base and four faces, each in the shape of an isosceles triangle, is made by cutting away four triangles from a square piece of cardboard and bending up the resulting triangles to form the walls of the pyramid.

asked by Paige on December 3, 2012
31. ## Math

One side of a square is 10 inches long. How many 1 square inch tiles are needed to cover the area of the square?

asked by Jae on January 28, 2017
32. ## Math help??

Find the missing length of the right triangle if a = 7 and b = 24. Read the followng and see if it hepls to solve this. If you still don't get it repost your answer. http://en.wikipedia.org/wiki/Pythagorean_theorem a sqaured+b squared=c squared 7

asked by carol on March 9, 2007
33. ## math equation

If the side of a square are extended to form a rectangle. One side of the square is extended by 5cm and the other side by 2cm. The area of the rectangle is 130cm^3. Find the length of the side of the square

asked by Charlie Benj on June 30, 2016
34. ## Geometry

The perimeter of a Triangle(MNO) is equal to the perimeter of square ABCD. If the sides of the triangle are represented by 4x+4, 5x-3, and 17, and one side of the square is represented by 3x, find the length of a side of the square.

asked by LP on January 6, 2013
35. ## MATH

FIND A AREA OF SQUARE ROOM WHOSE SIDE IS 6CM. THE FLOOR OF ROOM IS TO BE TILLED WITH SQUARE TILES HAVING A SIDE OF 60CM.FIND THE NO.OF TILES REQUIRED

asked by SAKSHI on March 4, 2013
36. ## Math

Rafael wants to use 30 centimeters of wood to frame a rectangular photo. What is the greatest area his photograph could have? a)14 sqaure cm b)36 square cm c)54 square cm d)56 square cm

asked by Trinity on March 3, 2011
37. ## Math 12A

Each side of a square is 20cm. Four points on the sides are joined as shown to form an inner square. What is the minimum area of the inner square? Can anyone help with this using quadratics? Please!

asked by Me & u on February 25, 2012
38. ## Maths

Hey! Okay so when the weather reporters say that ?mm of rain fell over night, they're talking about mm cubed aren't they? So while I was working out what to cube root to find out the ?mm of rain that fell overnight, I called it Rainfall mm. So what could I

asked by Ella on April 24, 2011
39. ## math

Use the formula S equals 2 left-parenthesis l w right-parenthesis plus 2 left-parenthesis l h right-parenthesis plus 2 left-parenthesis w h right-parenthesisto find the surface area of a rectangular prism with the following dimensions: length = 2 cm width

asked by kim on March 9, 2018
40. ## math

x^3 + 4x^2 + 14x + 20 use the root or zero feature of a graphing utility to approximate the zeros of the function accurate to three decimal places. I do not know how to use the root or zero feature on my calculator. If someone could just explain how to do

asked by Hannah on August 20, 2009
41. ## phy

(Q1)the temperature at which the tungsten filament of a 12v and 36w lamp operates is 1730c.If the temperature coefficient of resistance of tungsten is 0.006/k, find the resistance of the lamp at room temperature of 20c

asked by kate on July 3, 2013
42. ## math

Let f be he real-valued function defined by f(x)=sin^3x+sin^3|x| (a) find f'(x) for x>0 (b) find f'(x) for x

asked by Mariam on November 4, 2010
43. ## Calculus (Derivatives)

Find the derivative of the function f by using the rules of differentiation. F(x) = x^3 – 4x^2 + 3 / x The sign “/” means divided by (OVER)…this problem looks like a big fraction. I am so lost though because I do not know why I keep getting 3x –

asked by B <3 on September 21, 2008
44. ## math

1. find the equation of the tangent line at x=1 to y=f(x) where f(x)=(3x^2)/(5x^2+7x) Can someone help walk me through the steps of this problem. Do I start with finding the derivative of the function using the quotient rule?

asked by Anonymous on October 16, 2013
45. ## math

1. find the equation of the tangent line at x=1 to y=f(x) where f(x)=(3x^2)/(5x^2+7x) Can someone help walk me through the steps of this problem. Do I start with finding the derivative of the function using the quotient rule?

asked by Anonymous on October 16, 2013
46. ## Calculus

Find f(x) so that it satisfies: f'(x)=1/sqrt(x) and f(4)=2. Please show steps I keep getting stuck at the anti derivative and the constant doesn't solve it so I don't know where I went wrong.

asked by Rene on April 16, 2013
47. ## Math (derivative by limit process)

Find the derivative of the function by the limit process. f(x)=1/sqrt(x) I've worked through my problem and got f'(x) to be -1/2x but the actual answer is -1/2x^3/2? Where did the 3/2 power come from? Any help is greatly appreciated!

asked by Ray on October 16, 2016
48. ## Math

x^3-6x^2+17x Find the point of inflection of the graph of the function? x,y ( , ) I tried to solve for it by getting the 1st derivative and setting it equal to 0 but i get sqrt,so am confused!

asked by Angelina on March 12, 2012
49. ## Math

Find values of x for which the piecewise function g(x): 1) (x+1)^2, x=

asked by Beth on December 15, 2015
50. ## calculus

find the derivative of the function y=x^x Hence fin the coordinates of the turning point of the funcion y-x^x. Give the values correct to two decimal places

asked by daria on March 30, 2008
51. ## Calc I

I'm a little confused about this one, it seems different from the rest of our homework! Could someone give me some hints? Thank you! Find the first and second derivative of the function. Check to see that your answers are reasonable by comparing the graphs

asked by DeeDee on January 25, 2014

The area of each square is twice the area of the next smaller square drawn in it. if the area of the smallest square is 3 square cms. what is the area of the largest square

asked by sai on September 9, 2009
53. ## Math problem solving investigation: guess and chec

The area of each square is twice the area of the next smaller square drawn in it. If the area of the smallest square is 3 square centimeters, what is the area of the largest square

asked by Alex on December 29, 2012
54. ## i need help,math

okay i am completely lost after reviewing everything my mind is blank cans some one help me with the steps. Solve by completing the square x^2=5x+2 1st: You need to bring the 5x+2 to the other side so you have x^2-5x-2 2nd: Find the values to where when

asked by jasmine20 on April 15, 2007
55. ## math

Kumar bought a piece of land at RM14.50 per m(square).If he paid RM455000 for the land,find its area in hectares,correct to 3 significant figures.(1 hectare=10000m(square)

asked by Agnes98 on January 8, 2014
56. ## physics

The drawing shows a square, each side of which has a length of L = 0.250 m. Two different positive charges q1 and q2 are fixed at the corners of the square. Find the electric potential energy of a third charge q3 = -7.00 x 10-9 C placed at corner A and

asked by ciaran on February 8, 2015
57. ## math,correction

is this correct Find the constant term that should be added to make the following expression a perfect square trinomial x^2 + 7x My answer that i got was 12.25 Take half of seven, square it. 7/2 squared is 49/4. You are right. should i leave it as a

asked by jasmine20 on April 15, 2007
58. ## maths-urgently needed

ABCD is a square with length of each side 1cm. An octagon is formed by lines joining the vertices of the square to the mid points of opposite sides. Find the area of the octagon?

asked by Anonymous on February 5, 2013
59. ## Math

how would I solve 3 square of 6 times square of 6? Sorry, I don't know how to make radicals. Square of means radical

asked by Suzy on March 6, 2013
60. ## 3rd math

Square each of these numbers. There's a square, on top is the number 5 and on the left side 5. Inside the square is a line?

asked by eve on January 23, 2009
61. ## math

the area of a square is 8 square meters . what is the length of one side of the square? round to the nearest tenth if necessary.

asked by jake on July 16, 2012
62. ## Math

The area if a square is 67 square meters. Estimate the length of each side of the square to the nearest tenth.

asked by Amy on September 28, 2016
63. ## Math

A square floor had 100 tiles each tile is 1 square foot what is the length of one side of this square

asked by Khia on November 5, 2016
64. ## geometry

a cube is placed inside a right circular cylinder. How may cubic feet of water will file the cylinder that has the cube in it? The sides of the cube are 24. The radius of the cylinder in 12 square root of 2 thanks you

asked by jenny on February 23, 2011
65. ## Geometry

A regular polygon has an exterior angel measure of (x+3) Degrees and an interior angle measure of (13x-33) degrees Find the measure of each angle How mant sides does this polygon have?

asked by Monica on November 22, 2010
66. ## Math Homework

1) Given the side of a square pyramid is 6cm and the altitude is 4cm calculate the surface area. 2) Given the side of a square pyramid is 12cm and the altitude is 8cm calculate the surface area. 3) Given the side of a square pyramid is 18cm and the

asked by Student on February 6, 2007
67. ## Math

How do you find critical points in a function? For example, find the critical points in f(x)=12+2x^2-x^4 please help me somebody find the derivative and set it equal to zero

asked by Math on February 21, 2007
68. ## Algebra II

The question simply states-solve. -x^4+200=102x^2 I rearranged the equation so that I have x^-102x^2+200=0 Since I cannot factor this my solution is x= -51 =/-2 square root of 2801 divided by 2. Is this correct. Also a second problem that I do not know how

asked by Lucy on February 23, 2008

The sides of a square are increased by a scale factor of 7. The perimeter of thr smaller square is 16 ft. What is the perimrter of the larger square? A. 4 ft B. 28 ft C. 56 ft D. 112 ft Is the answer A? Thank you

asked by callie on November 20, 2014
70. ## calculus

determine whether the series converges of diverges the sum from k=2 to infinity of (the square root of (ln(k)))/k I said that because you can't integrate the series (goes to infinity) it diverges is this true?

asked by sarah on February 26, 2008
71. ## math

log [ a^3\/ab / (ab^2) ] --> in words this is, log(a to the power 3 times by the square root of ab divided by (a times b to the power of two) please show the full steps

asked by Sam on December 30, 2010
72. ## maths

how do i solve this equation? 21(X-(1/7))^2= 3/7 thx Divide both sides by 21 Take the square root of both sides. Rewrite it as x - (1/7)= sqrt [(1/21)*(3/7)] = sqrt[(1/7)*(1/3)(1/7)] = (1/7) sqrt(1/3) x = (1/7)[1 + sqrt(1/3)] tahnks x=(2)/(7),0

asked by Emma on July 12, 2007
73. ## Algebra 2

Karl says that you can take the square root of each side of an equation. Therefore, he says that (x + 5)2 + ( y – 7)2 = 36 and ( x + 5) + ( y – 7) = 6 are equivalent equations. Emily says the equations are not equivalent. Who is right? Explain your

asked by Ethan on March 27, 2015
74. ## Algebra

Create an equation where the left side is a linear function and the right side is a square root function. Make it so that the equation has exactly two solutions.

asked by Joe on January 2, 2017
75. ## calculus

I've done the first question but I cannot get any farther. I'm so stuck. Please explain or just help me to figure out the next steps. A printed poster is to have a total area of 837 square inches with top and bottom margins of 7 inches and side margins of

asked by casidhe on April 20, 2012
76. ## Precalculus

An open box is to be formed from a square sheet of carboard (square is 10x10 cm) by cutting squares and then folding up the sides. (the squares cut off are just the corners as they are labeles as an x by x). A) Find a function for the volume of the box.

asked by Sam on October 23, 2012
77. ## Precalculus

An open box is to be formed from a square sheet of carboard (square is 10x10 cm) by cutting squares and then folding up the sides. (the squares cut off are just the corners as they are labeles as an x by x). A) Find a function for the volume of the box.

asked by Sam on October 23, 2012
78. ## Algebra/ Chemistry

Q (ft3/min) : 3.9, 7.9, 11.8, 15.7, 19.6, 23.6, 27.5, 31.4, 35.3, 39.3 Delta P (psi): 0.13, 0.52, 1.18, 2.09, 3.27, 4.71, 6.41, 8.37, 10.59, 13.08 My professor gave the information above and wants us to come up with a linear equation that relates Q and

asked by Angel on December 15, 2011
79. ## Algebra

Please Simplify: Root 18-Root 50+4 Root 2 = ?

asked by Breanna on June 4, 2009
80. ## geometry

A circle has a center at (8,2). The point is (3,7) is on the circle. What is the area of the circle, to the nearest tenth of a square unit? A. 22.2 square units B. 44.4 square units C. 157.1 square units D.314.2 square units HELP PLEASE, and thanks.

asked by Steven on September 15, 2015
81. ## geometry

14. Question says that there is a triangle with a base of x units and height h units and two sides of length 10 units. Answer the following questions: • Draw a representation of this situation (the triangle). • Find a formula for h in terms of x. h =

asked by nisha on July 10, 2012
82. ## calculus

Please help!! *f(x)= x(x+6)^1/2 find two x intercepts. Then show that f'(x)=0 at some point between the 2 x intercepts. *Use mean value theorem for f(x)= x(x^2-3x+1) for interval [1,4] I FOUND DERIAVITIVE WHICH IS 3X^2-6X+1.THEN? *find all critical numbers

asked by thomas on April 7, 2013
83. ## algebra

1)Find the exact solutions to 3x^2=5x-1 using the quadratic formula. answer=5 plus or minus the square root of 37 over 6 2)Use the discriminant to determine the number and type of roots for the equation 2x^2-7x+9=0 answer=2 complex 3)Identify the

asked by Marissa on August 14, 2007
84. ## math

A tank, with a rectangular base and having vertical sides of height 4 m, is initially full of water. The water leaks out of a small hole in the horizontal base of the tank at a rate which, at any instant, is proportional to the square root of the depth of

asked by Maya on June 21, 2012
85. ## calculus

(a) find the intervals on which f is incrs or decrs. (b) find the local min/max values of f. (c) find the intervals of concavity and the inflection points. f(x)=(lnx)/sqrtx I took the derivative and got 2-lnx/2x^3/2 take the values when f'(x) >0 I get

asked by Riley on April 6, 2009
86. ## Math

Simplify: 4^(-1/2) 4-1/2 = 1/41/2 = 1/2. check my work. On exponents, negative means reciprocal. 4(-1/2) means the same as 1/4(1/2) which is the same as 1/squareroot(4) so the answer is 1^4 no, of course not. The square root of 4 is 2 isn't it? so

asked by Alex on December 2, 2006
87. ## Algebra

If t varies inversely as the cube of z and directly as the square of r, and t=4 when z=3 and r=6, find 9. T= k (square) r/(cubed) z 4=k (square) 6/ (cubed) 3 The electrical conductance of a wire varies directly as the square of its a diameter and inversely

asked by George on February 20, 2016
88. ## Algebra

If t varies inversely as the cube of z and directly as the square of r, and t=4 when z=3 and r=6, find 9. T= k (square) r/(cubed) z 4=k (square) 6/ (cubed) 3 The electrical conductance of a wire varies directly as the square of its a diameter and inversely

asked by George on February 20, 2016
89. ## Calculus-Limits

i have no clue how to start it. rationalizing it seems to tedious. how do i do this thanks evaluate the limit as h -> 0 ((fourth root(3 + h) - 2(3+h) - fourth root(3) + 6))/h

asked by Liliana on April 29, 2013
90. ## Geometry

mx^2+12x+9m=0. for what values of m will the equation have one repeated root? I can't remember how to calculate double root values

asked by Carolyn on December 7, 2015
91. ## Math

Simplify: 5th roof of (6th root of 10 * sqaure root of 1000) or: (10^1/6 * 1000^1/2)^1/5 (^ another way of writing it)

asked by Jess on March 20, 2013
92. ## Math

Please show the steps of 2209^1/2 or steps of square root of 2209?

asked by Sonny on September 28, 2010
93. ## Algebra

Square root of (q^2+7q+6) minus q minus 3=0. Minus 3 and minus q are not under he radical sign.

asked by Jay on April 25, 2012
94. ## Physics

You have a wire of length L = 2.1 m for making a square coil of a dc motor. The current in the coil is I = 1.8 A, and the magnetic field of the motor has a magnitude of B = 0.32 T. Find the maximum torque exerted on the coil when the wire is used to make

asked by Anonymous on February 25, 2013
95. ## math

Shelly sews a square blanket that has an area of 144 square feet. It has 36 square blocks, each the same size. What is the approximate length of each side of a block.

asked by Anonymous on December 6, 2018
96. ## Chemistry

so i had to calculate the pH of a 100ml solution of .10M acetic acid (ka=1.8x10(-5) I came out to 2.87. But then, they want the pH if 50ml HCL is added. So i thought...Ka = x2/.15M, therefore the square root of .15M x 1.8x10(-5) = .00164(concentration). So

asked by Kevin on October 20, 2011
97. ## Math

Are these correct: 1a) Find the lateral surface area in square inches of the cone with the following dimensions: h= 24 in, radius = 10 in, slant height = 26 in. (Use Pi= 3.14) I didn't know how to do: Lateral Surface Area = ______ square inches (exact

asked by Mike on May 16, 2008
98. ## calculus (rate of change)

consider the function f(x)=x^2-6x+12 a. find the average rate of change over the interval [-1,3] b. use the definition of the derivative to find f prime(x) c. find the instantaneous rate of change at the point where x=3 d. find the value of x on the

asked by sam on January 23, 2011
99. ## calculus

8. Find the derivative of the function f(x) = cos^2(x) + tan^2(x) 9. Find f '(x) for f(x) = xln(x) - 5ex. 10. Find f '(x) for f (x) = e(^lnx) + e^(x)ln(x) 11. Find the x-coordinate where the graph of the function f(x) = e^(-cosx) has a slope of 0. 12. If

asked by calc on January 15, 2015
100. ## Math

A toolshed with a square base and a flat roof is to have a volume of 800 cubic feet. If the floor costs \$6 per square foot, the roof \$2 per square foot, and the sides \$5 per square foot, determine the dimensions of the least expensive shed.

asked by Emily on January 8, 2017