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

97,722 questions, page 664
1. Precalculus

Find the exact value of cos(u+v) given that sine u=4/5 with u in quadrant II and sine v = -12/13 with v in quadrant IV. Not sure how to even begin.

asked by Reston on August 3, 2016
2. math

how can you find an equivalent of a fraction for example 15/24 and the equivalent fraction is 5/8.??how?/ can you explain and give me examlpes

asked by ak on May 24, 2009
3. geometry

if the perimeter of triangle ABC is 28 and X,Y,Z are the midpoints of AB, BC, and AC respectively, find the perimeter of triangle XYZ

asked by Anonymous on March 4, 2010
4. math

if AX= kX k belongs to real numbers A=|4 -2| X=|x| |-2 4| |y| and x is not equal to cero, and cero is not equal to y, find k

asked by liz on October 7, 2010
5. precalculus

use remainder therem to find the remainder when f(x) is divided by x+2 then use factor to determine whether x +2 is a factor f(x) = x^6 + 2x^5 + 3x^2 - 2x - 16

asked by amy on September 25, 2011
6. Calculus

Need help to find dy/dx: 1) y = (sin x) ^-1/3 answer dy/dx = - 1/ 3(sinx) ^4/3 2) y = sqrt 8 + sin(6x) answer - lost

asked by Jane on January 8, 2009
7. algebra

find an equation in point-slope form for the line having the specified slope and containing the point indicated. m=-2/3,(5,0)

asked by Boo on February 3, 2014

Find the center (h,k) and radius of the following circle. x^2 + y^2 - 6x - 2y + 1 = 0 My answer is center= (-3,-1) and radius of 1. Am I correct?

asked by Hannah on October 6, 2010
9. math

the product of 5 terms of GP is 32.find the sum of 19 terms of AP if third term of GP=tenth term of AP?

asked by rd on February 9, 2016
10. Math

An alloy contains zinc and copper in the ratio 7:9. Find the weight of copper if it has 31:5 kg of zinc

asked by Aishu on April 1, 2017
11. Math

I have a triangle with sides measuring x^3 + 1, x^3 - 1, and x - 1. I'm asked to find its perimeter. Is the triangle's perimeter 2x^3 + x - 1?

asked by Anonymous on February 4, 2014
12. Algebra

Find the leading coefficeint in the polynomial -3(x^4-x^3+x)+7(x^4+2)-4(2x^4+2x^2+1) after it is simplified. I got this -3x^4+3x^2-3x+7x^4+14-8x^4-8x^2-4 and I simplified it to -4x^4-5x^2+10 so what would the leading coeffiecient be -4?

asked by Trish Goal on November 14, 2014
13. Math

I have a graph which is graphed by the equation f(x) = |x| - 4 and I'm asked to find the solution to the equation f(x) = 0. What would the solution be?

asked by Anonymous on February 5, 2014
14. math

how do i find the percent of a component in a mixture given the amount of compound and the amount of mixture c=3g,m=8g please help thank you

asked by nicole on January 16, 2012
15. Geometry

Find an equation in point-slope form for a line having the slope of m=1/6 and containing the point (-7,-3).

asked by Ethan on May 29, 2018
16. math vectors

Find the angle between two vectors. In radians and in degrees. u=, v= I got radians = 1.676 degrees = 96

asked by jay on February 5, 2014
17. maths --plse help me..

In a pentagon ABCDE, angle B = 168, angle C:angleD = 23:25 and AB//ED. Find angle C and angle D.

asked by Anonymous on December 24, 2012
18. math

the circumcenter of a triangle is equidistant from the three blank of the triangle? i have to find the blank work

asked by help on May 20, 2009
19. math

Find the slope intercept equation of the line that has the given characteristics? slope 5,3 and y-intercept (0,-9).

asked by Anonymous on October 11, 2010
20. algebra

the length of a rectangle is twice the width. The area is 200yd^2. Find the length and the width.

asked by allison on May 3, 2009
21. Math

A natural number decreased by 30 times its reciprocal is 1. Find the natural number.

asked by Raquel on September 14, 2016
22. Science

Find the resultant of two displacement vectors A and B, the magnitude of A is 45 meters and the magnitude if B is 25 meters?

asked by Vince Jerald on January 31, 2016
23. Calculus

Find the particular solution to y"=3sin(x) given the general solution y=-3sin(x) +Ax+B and the initial conditions y (π/2)=π and y'(π/2)=2

asked by Alice on March 3, 2019
24. Polynomials

Let f(x) = ax^3 + bx^2 + 3x – 4. If f(x) is divided by (x – 2), the remainder is 2. When it is divided by (x – 1), the remainder is -2. Find a and b. (4 marks) Please help, I understand what to do when there's only 2 variables but not with 3. Thank

asked by Anonymous on January 8, 2013
25. Math

To add 32 + 56, Juanita first added 30 + 50. What steps does she still need to do to find the sum? What is Juanita's sum?

asked by Eudy on October 3, 2011
26. geometry

a rectangle with a length of 32 units and a width of 18 units; find the length of a diagonal.

asked by cameron on November 18, 2010
27. Mathematics 1

Find the L.C.D. of each of the following groups of fractions and then express the fractions of each group in terms of the L.C.D. of the group. 1/3, 3/5, 21/25, 13/15

asked by Anonymous on October 1, 2007
28. Math

If vector u = 20 m due North and vector v =10 m  at 30 degrees East of North, find u + v and u − v.

asked by Kasim on May 11, 2018
29. math

a scale drawing has a scale of 10 feet find the actual length of 40 feet

asked by bryatt on December 18, 2011
30. math

Find the coordinates of the image of the point p(4,6)under the reflection about the line x=3 followed by the reflection about the line y=x.

asked by nimdiki on December 15, 2016
31. Math

If p pounds of potatoes cost \$k,find the cost (in cent) of one pound of potatoes.

asked by ABC on May 26, 2017
32. math

given that vectors(p+2q) and (5p-4q) are orthogonal,if vectors p and q are the unit vectors,find the dot product of vectors p and q?

asked by bhawani on January 2, 2013
33. Calculus

Given that f(x)=x^3+ax^2+bx has critical points at x=1 and x=5, find a and b and classify the critical points as maxima, minima, or neither.

asked by Krissy on December 15, 2016
34. Social Studies

well im doing my project about text bullying and i need to find a question that starts with where? it has to do with text bullying.

asked by Dipisha on May 18, 2009
35. math

I have the same question as Sally: What is the prime factorization of 225? Or, just how do you find prime factorization??? Thanks.

asked by Tyler on June 16, 2009
36. stats

if 60 % of all women are employed outside the home find the probability that in a sample of 20 women at least 10 are employed

asked by Anonymous on November 12, 2014
37. statistics

A coin is tossed 3 times. Find the probability that all the 3 are heads (A) if it is known that the first is heads (B) if it is known that the first 2 are heads (C) if it is known that the 2 of them are heads

asked by Joseph on February 7, 2015
38. math

A coin is tossed 3 times. Find the probability that all the 3 are heads (A) if it is known that the first is heads (B) if it is known that the first 2 are heads (C) if it is known that the 2 of them are heads

asked by Joseph on February 7, 2015
39. algebra 1

use multiplying by 1 to find an expression equivalent to 11/14 with a denomenator of 56c the equivalent expression is-----

asked by robbie on December 5, 2010
40. math

find dy/dx assuming that y is differentiable with respect to x and x is also differentiable with respect to y. a)xy+x^2y^2=x^3y^3 b)xsiny+ycosx=xy

asked by ruth on February 22, 2016
41. geometry

The coordinates of the vertices of a triangle are A(1,3), B(6,10), and C(11,18). Find the perimeter of the triangle when the coordinates are multiplied by 3.

asked by Luke Phillips on August 21, 2011
42. Physics

How do you find the acceleration of an object on a velocity-time graph if the acceleration of the object is at t = 5 s in m/s2?

asked by Paige on January 29, 2012
43. Physics

How do you find the acceleration of an object on a velocity-time graph if the acceleration of the object is at t = 5 s in m/s2?

asked by Paige on January 29, 2012
44. pisd

find the change in temperature minus 8 degree celsius to 13 degree celsius

asked by asher on February 11, 2014
45. Physics

How do you find the acceleration of an object on a velocity-time graph if the acceleration of the object is at t = 2 s in m/s2?

asked by Paige on January 29, 2012
46. maths -profit and loss

The profit on a certain item is 20%. If the CP is increased by Rs 50 and SP is increased by Rs 30 then the profit 5 reduces by 3 1/3%. Find the original CP and SP.

asked by Meenakshi on December 4, 2012
47. Geometry

How many edges does a triangular prism have?___________ What formula can you use to help you find the # of edges of a prism

asked by Janon on June 1, 2014
48. Math

In triangle ABC, a = 12, b = 10, and c = 9 . Find the measure of the largest angle in triangle ABC.

asked by Help on October 1, 2016
49. Algebra

Find the coordinates of quadrilateral V'W'X'Y' after a dilation with a scale factor of 2. V(6,2) W( -2,4) X(-3,-2) Y(3,-5) scale factor of 2.

asked by Steve on November 5, 2013
50. Algebra

I need to find the slope-intercept equation of the line that has the given characteristics. Slope 6 and y-intercept (0,5)

asked by rerewill on November 18, 2008
51. government

what is something i would find on commissioners court AGenda and not in city council court agenda?

asked by jen on December 7, 2010
52. Geometry

Find the distance between points (-2,1) and (1,5) When finding the distance between these 2 points would you subtract 1-(-2) or -2-1? The same question with the other one as well.

asked by Claire on August 22, 2011
53. Calculus

How would I set this up in my calculator? Let F(x)=∫ ln(t^2) dt where a= 1 and b=3x . Use your calculator to find F"(1). I set it up and I got way the wrong answer. I got 2ln(1)=0

asked by Henry on February 21, 2016
54. Geometry

Find the distance between points (-2,1) and (1,5) When finding the distance between these 2 points would you subtract 1-(-2) or -2-1? The same question with the other one as well.

asked by CP on August 22, 2011
55. english

I had an assignment to read a story and the assignment is to write the thesis of the story. where would I find it?

asked by Taylor on December 11, 2012
56. Math 120

You are dealt one card from a​ 52-card deck. Find the probability that you are not dealt an ace.

asked by Beth on March 28, 2017
57. math

the cost of three pencil and one eraser is #22, while the cost of four pencils and three eraser is #42, find the numbers

asked by prosofyna on November 7, 2015
58. Math

Please check my answer.. Find a point E on segment CD such that the ratio of segment CE is 5/8 C is placed on (-9) and point D is placed on 7. A. -8 B.-1~~~ C. 1 D. -3

asked by Mira on September 26, 2016
59. nvcc

The sizes of two matrices A and B are given. Find the sizes of the product AB and the product BA, if the products are defined. A is 4 × 2, B is 2 × 4.

asked by fast on December 10, 2012
60. Statistics

Find the range population of Ethan and the population standard deviation Ethan: 9, 24, 8, 9, 5, 8, 9, 10, 8, 10

asked by Keonn'a on February 19, 2018
61. pre cal

Find the angle between the vectors u and v if u = (-1,4) v = (3,-4) a. 155.93 b. 158.58 c. 158.13 d. 155.24 e. 157.17

asked by anna on July 14, 2016
62. Trig

If tan a= 12/15, 0 degrees < a < 90 degrees, then find the exact value of each of the following: A. Sin a/2 B. Cos a/2 C. Tan a/2

asked by Erin on June 12, 2018
63. entrepreneur

I am trying to find price per foot. if a roll of wire is selling for \$72.00 what is the price per foot

asked by craze on December 26, 2011
64. Calculus

Find the point on the line -5sx+y+3=0 which is the closest to the point (2, 5) (___,___)

asked by Z32 on June 22, 2009
65. Mathematics

Find three consecutive integers such that the sum of the first and three times the second is eighteen less than five times the third integers

asked by Suguru on November 4, 2015
66. Math

The mean of a set of n numbers is 180, if 54 is added to the set of numbers the new mean is 159. Find n

asked by clolyne on August 24, 2011
67. Math

Find the length on each side of a triangle. Perimeter - 35m side 1 - x side 2 - x+2 side 3 - x+3

asked by thi on February 5, 2015
68. geometry

point r is located at (-1,0) and point s located at (8,12). Find the length of the line segment rs.

asked by Anonymous on August 24, 2011
69. math

the perimeter of a rectangle is 62 m. then length is 10 m more than twice the width. find the dimensions what is the length? what is the width?

asked by scooby9132002 on June 28, 2009
70. math

If a number is added to the numerator of 5/6 and twice as much is added to the denominator, the result is 3/5 Find the number?

asked by suz on November 6, 2014
71. math

two sides of a triangle are given.find the angle between these two sides so that area of the triangle is maximum?

asked by Anonymous on January 8, 2016
72. math

find the measure of each angle (x+17)degrees and x degrees. This is a right angle, not sure how to set up this problem.

asked by gmoney on October 31, 2010
73. Algebra

The first term of an A.P is 3 and the fifth term is 9.Find the number of terms in the progression if the sum of the progression is 81.

asked by Samuel on February 19, 2019
74. Algebra

On a map, two cities are 3 3/8 in. apart. If 3/8 in. on the map represents 45 mi, find the number of miles between the two cities. mi

asked by LaShawn on February 12, 2013
75. Physics

If the electric potential is given by V = (-1 volts/m4 )x2yz + (4 volts/m2)yz, find the electric field.

asked by lindsey on February 27, 2013
76. maths

Given an equation of circle(x-2)2+(y-3)2=25,find the equation of the image circle after a reflection about the line y=x+3

asked by girmay on May 7, 2017
77. physics

A charge of 2.0 nC and a charge of 5.3 nC are separated by 41.80 cm. Find the equilibrium position for a -4.7 nC charge. ___ cm from the 2.0 nC charge.

asked by carla on February 5, 2010
78. math

The difference of two number is 33. the larger number is one more tHan three time the smaller number .find the number.

asked by ali on May 9, 2017
79. math

Find the % of Discount Regular Price \$25,000 Sale Price \$22,000

asked by Megan on February 7, 2013
80. math

Knowing that 0

asked by Winston on January 18, 2016
81. math

Find the % of Discount Regular Price \$25,000 Sale Price \$22,000

asked by Jessica on February 7, 2013
82. math

Use the Pythagorean Theorem to find the missing side length. someone please tell me what the Pythagorean Theorem is?

asked by Sarah on February 7, 2013
83. Physics

A 2kg block is in equilibrium on an incline of 60 degrees. find fn of the incline on the block

asked by Lizzy on October 19, 2011
84. math

find two numbers the quotient is between. Then estimate the quotient. 2. 41 divided by 3 3. 192 divided by 5.

asked by Emilio on January 19, 2016
85. Geometry

Find an equation of the line passing through the point (6,5) and perpendicular to the line whose equation is 2y+3x=6

asked by Matt on January 3, 2015
86. math

About 47 years to about 77 years. Find the percent of increase to the nearest percent. would the answer be 64%?

asked by lilly on November 10, 2010
87. calc

Find x. Supplementary angles with measures 10x+7 and 7x+3. Complementary angles with measures 3x-5 and 6x-40.

asked by bob on March 31, 2009
88. math

how do you find the slope and y-intercept of 9x-2y=-6 put the equation in the form y = mx + b m is the slope (0,b) is the y intercept

asked by Janna on August 10, 2007
89. math

the first term of an arthmetic progression is 1 and its last term is 28, find the sum of the progression if their number is 10

asked by sonia on November 1, 2010
90. Algebra

Use multiplying by 1 to find an expression equivalent to 15 Over 19 with a denominator of 19 z19z. The equivalent expression is ..........

asked by lobna on December 31, 2016
91. English

where can I find relationship short term effects and long term effects? please

asked by Growler on March 17, 2009
92. Algebra

Find the equation for the circle with center (1,2) and passing through (-4,-3). Write the equation for the circle.

asked by Jason on August 26, 2016
93. statistics

Three horses, A, B and C are in a race. A and B have the same probability of winning, and each is twice as likely to win as C. Find the probability of B or C winning.

asked by Carline on March 19, 2009
94. math

Thickness of 12 sheets of paper is 2.4mm. find the thickness of 1 sheet of paper.

asked by Anonymous on August 27, 2016
95. math

Thickness of 12 sheets of paper is 2.4mm. find the thickness of 1 sheet of paper.

asked by marisddd on August 27, 2016
96. Physics

Knowing the temperature at the surface of the Earth to be 72 F, find the temperature at the surface of Venus.

asked by Sue on December 10, 2014
97. mathematics

The sum of first and the second terms of an ap is 4 and the 10th is 19.find the sum of the 5th and 6th terms.

98. algebra

the third term of an arithmetic sequence is 14 and the ninth term is -1. Find the first four terms of the sequence

asked by Anonymous on December 17, 2013
99. chemistry

Find the solubility of AgBr in 3.9 M NH3 [Ksp of AgBr = 5.0 10-13 and Kf of Ag(NH3)2+ = 1.7 107]

asked by courtney on November 4, 2011
100. algebra

The width of a rectangle is 4 meters more then 1/3 its lenght. the perimeter is 64. Find the lenght and width

asked by sam on October 27, 2011