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

97,722 questions, page 29
1. ## CALCULUS

The expression (3a^2 b^4 c^2)^2 (2a^4 b^2 c^4)^3 equals na^r b^s c^t It ask what n, the leading coefficient is and I think it is 72? and to find the exponents r s and t would you just multiply it but whatever number is on the outside? or do I need to find

asked by Layton on March 24, 2009
2. ## Maths

Three circles of radius 1 unit fit inside a square such that the two outer circles touch the middle circle and the sides of the square. Given the centres of the circle lie on the diagonal of the square, find the exact area of the square. I got the answer

asked by Lilly on February 19, 2017

If x = 9tanθ, use trigonometric substitution to write square root 81 + x^2 as a trigonometric function of θ, where -pi/2 < θ < pi/2

asked by sophie on July 11, 2016
4. ## ^math^

^Pls help^ Question= Evaluate sqrt(19 - 4sqrt21) ...,where sqrt is square root.

asked by Ekingdeft on March 26, 2015
5. ## integral Calculus

ʃsin y dy/ √1 + cosy please help..thanks.. that's integration of sin y dy divided by (over) square root of 1 + cosy.

asked by WAN on December 7, 2011
6. ## pre algebra

Hi Scott, in the square root of 108 2 * 54 = 2 * 2 * 27 = 2 * 2 * 3 * 9 I don't get this last part √108 = 2 * 3 * √3 = 6√3 why wouldn't it be 2 * 54 = 2 * 2 * 27 = 2 * 2 * 3 * 9 =12√3..................since 2*2*3 =12 thanks!

asked by Brent on August 28, 2018
7. ## math

Solve the equation by using the square root property. Simplify all radicals. 2x^2 = 11 how do I solve this?

asked by mandy on December 3, 2011
8. ## math

simplify square root of 116 rt(116) = rt(4*29) = 2rt(29) i need help with my algebra homework

asked by jim on October 11, 2006
9. ## math

If 16

asked by Anonymousab on June 12, 2013
10. ## pre cal

Determine the domain of the function f as a function of x is equal to the square root of nine minus x

asked by Jorgeeee on June 23, 2014
11. ## Math

square root of (1-cosx/1+cosx) = cscx - cotx prove the identity

asked by Manny on February 11, 2014
12. ## trig

Verify the Identity: sec(x/2)=the square root of (2 tanx/(tanx sinx))

asked by Tina on April 11, 2010
13. ## math help?!

If x = 6sinθ, use trigonometric substitution to write square root 36-x^2 as a trigonometric function of θ, where where 0

asked by sophie on July 11, 2016
14. ## Math

Dividing the square root of 63 by what number will give a rational number solution?

asked by Andie Weaver on April 15, 2010
15. ## Math

If b varies directly as the square root of w and b equals a negative 24 when w equals 36, what is w when b is equal to 1/8?

asked by Trey on September 16, 2012
16. ## science

Calculate the root mean square speed and most probable speed for co2 at25°c

asked by bikram on March 24, 2017
17. ## math

A function is given below. Determine the average rate of change of the function between t = 9 and t = 9 + h. f(t) = Square root of 4t

asked by Anonymous on September 25, 2012
18. ## math

Clue1: I am less than 20. Clue 2: i am an odd number. Clue 3: I am the square root of 225 Who am I?

asked by Nina on March 14, 2011
19. ## math

ABC is an isosceles triangle. AB=BC=6. Angle ABC=120,AC=a square root of b. What is a+b?

asked by jun on December 2, 2016
20. ## Maths (limits)

how do i evaluated these limits: lim x --> 3 ((square root of x^2 +16)- 5)/(x^2 - 3x) lim x--> to infinity (2+ 100/x)

asked by Ren on February 17, 2010
21. ## Algebra

What if the last term has a square root that is a big, long decimal? you wouldn't use the decimal, would you?

asked by corey on April 22, 2008
22. ## math

If r = square root 3V/pi*h , by what number must we multiply V in order to multiply r by 9 ? a. 3 b. 9/2 c. 9 d. 18 e. 81 please answer and explain

asked by thomas on April 19, 2014
23. ## Algebra

To solve 9x^2-12x+4=49 by using the Square Root Property, you would first rewrite the equation was as A. 9x^2-12x-45=0 B.(3x-2)^2=+/-49 C.(3x-2)^2=7 D.(3x^2)^2=49

asked by Jenny on December 13, 2014
24. ## Math

f(x)=1/2(x^2-2x+15) I did the quadratic formula and my answer is 2 plus or minus i square root 8/2. Could someone check my answer please

asked by Pam on February 5, 2017
25. ## Math

10 times [5 times the square root of 2] How do you figure that out? 50√2 if you want a decimal answer, use your calculator.

asked by Emily on March 30, 2007
26. ## Urgent Math please check

Very Important I can get someone to check these for me... I have to get an A, and I was wondering if someone could double check these for me. I am about 95% sure they are right, but just need a fresh set of eyes. I know I've been sending alot, but I really

asked by Brittany on April 2, 2011
27. ## Math

Why is raising a number to the power of 1/2 the same as finding the square root of the number? Can someone please help. Please provide examples. I would appreciate it if you guys can help as soon as possible.

28. ## math

when adding square root of 9 and -7 which type of number is the sum? irrational whole number radical integer

asked by me on January 15, 2018
29. ## math

x=(-5.15-5.89i)+(30/(-5.15-5.89i)) i is the square root of (-1) the answer sholud equal 10.3 x=10.3 but could you show me how , i am having problem to figure it out. thank you.

asked by layth on September 20, 2010
30. ## algebra 2

8x3y-9(x is raised to the third and y is raised to -9. the whole question is encased in a square root symbol with a little 9 in between the signs edges.

asked by allisa on September 9, 2009
31. ## Calculus

I'm having some issues with computing this indefinite integral. I don't know how to even begin. Please help! (let S be the symbol for the integral) S (square root (x)+e^-3x) dx

asked by Casidhe on May 1, 2012
32. ## math

if you have two similar triangles and the scale factor is 3:5 and 12 times square root of 3 is one side, what is the cooresponding side

asked by Anna-Marie on January 29, 2008
33. ## Maths

Two variables P and L are such that P varies partly as L and partly as the square root of L.Determine the relationship between P and L given that when L=16,P=500 and when L=25,P=800.

asked by Allan on August 24, 2017
34. ## Please Check My Math Work

(3sqrt5)(2sqrt10) I got:6sqrt50 Is this correct.? You can take this one step further. 6√50 can be simplified to this: 6√(25 * 2) -->you can take the square root of 25. 6 * 5 √2 = 30√2 -->this is the simplified form. thanks can you help me with my

asked by Margie on February 6, 2007
35. ## double square root problem?

Hi I do not how to simplify the problem x^2 =40+12sqrt2 what would be x? BTW if you sqrt both sides it would be double square root so what then? how to simplify?

asked by Knights on December 19, 2012
36. ## math b

if x is a ositive integer, 4x to the one hafl power is equivalent to? It is equal to twice the square root of the postive integer.

asked by dott on March 25, 2007
37. ## geometry

if you have two similar polygons and the scale factor is 3:5 and 12 times square root of 3 is one side, what is the cooresponding side

asked by Anna-Marie on January 29, 2008
38. ## Maths (Linear and Quadratic Equations)

I need to solve a pair of equations where one is linear and the other is quadratic. 2x2 + 3xy + y2 = 0 3x + y = 2 last 2 in 2x2 is square root two, same after y2. help please!!!!!!!!!!!!!!!

asked by Saud on November 21, 2012
39. ## math

I have to evaluate the limit of these problems and I can't figure them out! 1.) Lim x-> 1 x^2+x-2/x^2-x 2.) (please note that the -2 is not under the square root) Lim x->0 sqroot 4+h -2/ h

40. ## math

How do I do this? Without a calculator, determine two angles between 0 degrees and 360 degrees that have a cosine of negative square root 3 over 2.

asked by Tristan on March 18, 2013
41. ## algebra 2!

Given f(X)=the square root of x-2 and g(x_=6/x-3 (+1), write the composite function g(f(x)) and state its domain. Where is the resulting function defined?

asked by audrey on May 5, 2011

I did some of them so can you help me with the rest. Consider the piecewise functon f(x) = (4x^2-3)/(3x^2-15) x-2^+ f(x)= 0 f(-2)= 0 f(4) = 5 list the values of x for which f(x) is not continues= ???????

asked by Tim on February 28, 2014
43. ## Math

Graph the two functions below, determine if they wre inverses based off the graph. Explain f(x)=x^2-3,g(x)=square root x+3

asked by Pam on March 28, 2017
44. ## Math

Eight-ninths of a bunch of marbles remain on a table. The square root of half the total number of marbles have rolled away. Also, the two children who are playing with the marbles each hold one marble. Find the total number of marbles in the bunch.

asked by Scott on October 20, 2014
45. ## Calculus

f(x)=[3x^13]e^(−7x) On which intervals is the function concave up and concave down? I know when you find the 2nd derivative, the x-values are 0, 1.34206, and 2.37222, and that the 2nd derivative > 0 at x=1.34205 and < 0 at 2.37222. How does this tell me

asked by Ann on May 18, 2014
46. ## CAL

Hi, im lost in theses three problems. Please help. Thank you so much!!! 1. Write the composite function in the form f(g(x)). [Identify the inner function u = g(x) and the outer function y = f(u).] y = 3 squareroot all 1 + 5x (g(x), f(u)) = ??????? Find the

asked by Anonymous on October 7, 2014
47. ## College Math

Find the derivative of the following functions: a) f(x)=(3x^2-6 )/(x+2) b) g(x)=sin(e^2 +5x) c) j(x)=6xe^x d) Your velocity is v(t)= t^2 = 1 for 0≤ t ≤ 4. Find or estimate the distance traveled during this time.

asked by Michelle on April 16, 2014
48. ## calculus

Find the relative extrema of f(x) = -2x^2 + 4x + 3 I don't know how to use the First derivative test to find it.

asked by jack on October 31, 2010
49. ## 12th Calculus

let f'(x)=4x^3-12x^2 a. find three different functions with derivative equal to f'(x) b. find the behavior

asked by dt on November 11, 2008

Three different weights are suspended from three different springs. Each spring has an elasticity coefficient of 18.5. The equation for the vertical displacement is y= 1.5cosine(t times the square root of k/m), where t is time, k is the elasticity

asked by Matt on November 16, 2010
51. ## Honors PRE CALCULUS

Three different weights are suspended from three different springs. Each spring has an elasticity coefficient of 18.5. The equation for the vertical displacement is y= 1.5cosine(t times the square root of k/m), where t is time, k is the elasticity

asked by Matt on November 16, 2010
52. ## Honors PRE CALCULUS

Three different weights are suspended from three different springs. Each spring has an elasticity coefficient of 18.5. The equation for the vertical displacement is y= 1.5cosine(t times the square root of k/m), where t is time, k is the elasticity

asked by Matt on November 16, 2010
53. ## calculus

Find the absolute extrema of the function (if any exist) on each interval. (If an answer does not exist, enter DNE.) f(x) = square root of (25 − x^2) (a) [−5, 5] minimum (x, y) = (smaller x-value) (x, y) = (larger x-value) maximum (x, y) = (b) [−5,

asked by Sagar on April 5, 2016
54. ## math

Using only​ algebra, find a cubic function with the given zeros. -2, 3, -7 the polynomial function is: f(x)=x^3+ (BLANK) x^2-13x-42 i can't figure out what BLANK is Thank you!

asked by Jessica on September 22, 2018
55. ## Calculus

On planet Calculi, acceleration due to gravity is -20 ft/sec^2. A ball is thrown upward with an initial velocity of 40ft/sec from an initial height of 50. a) Write the equation for the height of the ball, s(t), at time t. b) Find the velocity when the ball

asked by Anonymous on February 19, 2015
56. ## Trig Identities

Explain why Sin of theta= -The square root of 1-cos^2 theta is not an identity, using either graphical or numerical reasoning.

57. ## math

The distance between points A and B is 10 units. If a has coordinates (4,-6) and B has coordinates (-2,y), determine the value of y. Please show work and explain. A.-6 B.-2 C.0 D.1 E.2 This is what I got so far: 10= square root of (4-(-2))^2+(-6-(y))^2

asked by Johnny on May 30, 2014
58. ## Calculus

Show that f is continuous on (-infinity, infinity). f(x) = x^2 if x

asked by Amy on June 16, 2009
59. ## Geometry

I need help simplifying the radical (IN RADICAL FORM ONLY) What's the square root of 224? Can you please show how you got the answer so I can learn how to do it myself next time please.

asked by GummyBears18 on March 1, 2017
60. ## math help me!!

is square root of 56 a rational number? explain uranswer using what you know about rational and irrational numbers. thnx alot!

asked by alexis on April 13, 2011
61. ## physics

calculate the root mean square speed of nitrogen at 0 degree celcuis. Take the molecular weight of nitrogen M= 28*0.0010

asked by magayaki on August 9, 2016
62. ## Chemistry #27

If He(g) has an average kinetic energy of 4410 J/mol under certain conditions, what is the root mean square speed of O2(g) molecules under the same conditions?

asked by Chelsea on October 13, 2013
63. ## chemistry

If He(g) has an average kinetic energy of 7590 J/mol under certain conditions, what is the root mean square speed of F2(g) molecules under the same conditions?

asked by A on September 28, 2014
64. ## trig

solve equation for exact solution if possible leave answer in degree sinx/2=square root of 2- sinx/2

asked by mike on May 30, 2012
65. ## chemistry

If He(g) has an average kinetic energy of 7590 J/mol under certain conditions, what is the root mean square speed of F2(g) molecules under the same conditions?

asked by B on September 28, 2014
66. ## General Calculus Question

How do you solve a limit when it approaches infinity and there is a square root in the denominator? say the highest power is x^2 in both the numerator and denominator.

asked by Anonymous on December 8, 2014
67. ## Math

What is the linear approximation of the square root of 8.9? Must be accurate to the fifth decimal place. I have tried entering 2.98328 and 2.98328 but that does not appear to be correct. Please help!!

asked by Amanda on October 5, 2014
68. ## phy

At what temperature will the root-mean-square speed of oxygen molecules have the value of 640 m/s? 1 kilomole of oxygen has a mass of 32kg.

asked by christ on January 24, 2013
69. ## Pre-Calc/Trig

1. Find all possible values of k so that (3,5), (5,-1), and (k,8) are the vertices of a right triangle 2. Find all points with -x+2y=0 so that (x,y) is 5 units from (-1,4) 3. (f(x+h)-f(x))/h for f(x)= -5/(x+2) 4. The frequency of the sound produced by a

asked by Mia on April 17, 2011
70. ## geometry

if the diagonals of a rhombus is 12 and 16 what is the measure of a side of the rhombus 5,,20,10 square root 3

asked by Anonymous on November 28, 2010
71. ## math algebra in second year level

is the quantity of 3x raise to zero raise to 1 half is equal to square root of 3?

asked by sheila mae on November 7, 2011
72. ## math

simplify radicals square root of 132 132^1/2= (4*33)^1/2= 4^1/2 * 33^1/2 = 2 * 33^1/2 or 2 sqrt33

asked by jim on October 11, 2006
73. ## math

What is a radical? What is a mixed radical? What is a square root? What is a perfect sqaure?

asked by Eric on September 18, 2008
74. ## algebra,math

Solve the equation. 4 times the square root of x minus 5 minus 8 = 12

asked by tracy on October 24, 2011
75. ## algebra

im having trouble with subsets.. name the subsets to which the numbers belong 3/4 0 -6 square root of 7 5

asked by angie on September 17, 2012
76. ## Math

Check my answer? As estimate for square root 47 is between _____________ 1: 4 and 5 2: 5 and 6 3: 6 and 7 4: 7 and 8 Is the answer 6 and 7?

asked by Anonymous on November 12, 2015
77. ## Maths

Y varies partly as X and partly as the square root of inverse of X. If Y=11 where X=9 and Y=20 where X=9 calculate Y when X=12.

asked by Doris on April 14, 2018
78. ## math

what is the square root of 6,multiplies the answer bt 2 and then squares that answer.please explain,thanks

asked by charlie on December 5, 2012
79. ## Math

solve: (square root of 3) sin(theta) + cos(theta) = 1 Thanks! :)

asked by Bridget on October 21, 2010
80. ## Algebra

sorry I posted the last question wrong. The question is Simplify 6 over the square root of 3+2.SOrry Thanks

asked by Rita on April 29, 2016
81. ## physics

Why we use square root of density in Grahms law instead of simpl density?

asked by Anonymous on September 25, 2013
82. ## algebra

make t the subject of the formula p divided by 2 square root t+r divided by g.

asked by Jazzy shizz on May 6, 2012
83. ## math

The question is 25squareroot symbol 24 divided by 5 square root symbol 2

asked by eric on October 6, 2009
84. ## Math

how to use prime factorization using Square Root??? Examples Plzz like 3 examples

asked by Sumaiya on October 26, 2010
85. ## math

solve for cos^2x=secx note: cos square root of 2 x.

asked by emily on April 27, 2019
86. ## algebra 2

1) 2a+c=-10 b-c=15 a-2b+c=-5 2) x+y+z=3 13x+2x=2 -x-5z=-5 3)x-y+3z=3 -2x+2y-6z=6 y-5z=-3 4)3x-2y+z=1 -x+y-z=2 5x+2y+10z=-39 5)3x-2y+z=1 -x-y-z=-3 3x-2y+3z=-12

asked by Ludjmy on November 21, 2011
87. ## Math

Differentiate y=13x^2-5x+8

asked by Carl on July 25, 2018
88. ## math's

Solve for this 5x^3-13x^2+4x-9 ---------------- 7x^2+2x- 11

asked by rima on May 12, 2010
89. ## algebra

3bx+13x=9

asked by what are steps with the answer on March 24, 2011
90. ## algebra

18x-6=13x+9

asked by Anonymous on November 27, 2013
91. ## math

7x+13x=140

asked by Sumayyah on December 18, 2008
92. ## algebra

factor: 6x^2-13x+6

asked by tam on February 11, 2011
93. ## Math

x^4 + 10x + 18 - x^4 - 3x + 2 Is this 13x + 16?

asked by Anonymous on March 5, 2014
94. ## math

13x + 15= 11x - 25

asked by Sam on August 24, 2011
95. ## math

what are the roots for x^3-13x-12?

asked by Tameka on August 19, 2015
96. ## Quantitative Aptitude

6y=3=3 2y=2=2 9x=2=2 7x=2=2 5x= 12y= 13x= 6y=

asked by Riliwan on November 14, 2017
97. ## algebra

asked by jessica on March 21, 2012
98. ## Pre-Calculus 12

2x^3 - 13x^2 + 32x - 13 = 0

asked by Eayan on March 7, 2017
99. ## Math - Derivative of a polynomial function(check)

The red squirrel population, p, in a neighborhood park can be modelled by the function p(t)= srqt(210t+44t^2), where t is time in year. a) Determine the rate of growth of the squirrel population at t= 2years Ans: find the 1st derivative and substitute 2 in

asked by Anonymous on October 16, 2010
100. ## Algebra

The side of a square equals the length of a rectangle. The width of the rectangle is 4 meters longer than its length. The sum of the areas of the square and the rectangle is 48 square centimeters. Find the side of the square

asked by Scott on December 6, 2010