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

97,722 questions, page 725
1. ## Biology

I know it is a bit long and maybe difficult, please help me to answer these.. 1) I have pET28a with insert inside. Insert is 400 bp in size. I want to check my insert with both single digestion and double digestion. I already isolated my plasmid but i do

asked by Restriction Enzyme Digestion on March 31, 2014
2. ## math

The radius of a circle in increasing at the rate of 0.5cm/s. Find the rate at which the circumference increases if the radius in 5cm.

asked by David on May 8, 2016
3. ## maths

a regular dodecagon has a side lenght of 5.6cm find the side lenght of a regular octagon that has the same perimeter?

asked by holly on December 6, 2011
4. ## algebra

Look for a pattern in the expressions shown below. Use the pattern to write an expression for the sum of the whole numbers from 1 to n. Then find the sum of the whole numbers from 1 to 50. 1+2= 2•3/2 1+2+3= 3•4/2 1+2+3+4= 4•5/2

asked by Anonymous on September 8, 2013
5. ## math

f(t) = t2 − 1 Find the equation of the line tangent to the graph of f(t) at t = 5. Enter the equation of the tangent line here (in terms of the variable t): y =

asked by isabella on October 12, 2010
6. ## algebra 1

the base of isosceles triagle is 5 m less than 4 times the length of a side. The perimeter is 67, find the length of each side and the base

asked by Mayi on September 30, 2013
7. ## Prealgebra

The sum of an integer and the next greater integer is at most 15. Write an inequality to find the lesser integer. Then slove for the lesser integer.

asked by Jillian on February 28, 2008
8. ## Math

Find the average value of the function over the given interval and all values of x in the interval for which the function equals its average value. f(x) = 4x3 − 3x2, [−1, 2]

asked by Emily on November 18, 2016
9. ## Finite Math

Suppose a family has 5 children. Suppose the probability of having a girl is 1/2. find the probability that the family has exactly 3 girls and 2 boys?

asked by Maria on February 10, 2010
10. ## Math

You roll two fair dice. Let E be the event that an even total shows on the dice. Let F be the event that a three shows on at least one die. Find P(F) and P(F∣E).

asked by Hannah on September 18, 2016
11. ## algebra

The difference between two numbers is 108 less than their sum.If the larger number is twice the smaller number,find the difference between the two numbers.

asked by rashida on February 2, 2017
12. ## algebra

The perimeter of a pool is 64 feet and has a width of x and a length of x-4. Write an equation and find both the width and length of the pool.

asked by bob on February 1, 2014
13. ## Math

The perimeter of a small rectangular garden is 18 feet. if the length is twice the width, find the width and the length of the garden.

asked by Katelyn Haggard on September 4, 2016
14. ## Algebra

The width of a rectangular plot is 2 feet longer than one-third the length. If the perimeter of the plot is 68 feet, find the length. HELP!!!!

asked by gdlola on January 17, 2012
15. ## Math Ratios

The ratio of the length of a parallelogram to that of its breadth is 7:4. The length is longer than the breadth by 746.1 cm. Find the perimeter of the parallelogram

asked by Dottie on September 13, 2012
16. ## Math

The length of a rectangle is 5ft longer than twice the width. If the perimeter is 106ft, find the length and the width of the rectangle.

asked by Amber on June 24, 2014
17. ## Math

Find the surface area of the cylinder. Use 3.14 for pi. The cylinder's radius is 2 and the height is 15. A)100.4 cm squared B)97.43 cm squared C)36.29 cm squared*** D)33.14 cm squared

asked by potato on February 11, 2017

Find the equation of the tangent line to the curve: 2(x^2+y^2)^2 = 25(x^2-y^2) at the point ( 3 , 1 ). The equation of this tangent line can be written in the form y = mx+b

asked by applebottom on November 7, 2010
19. ## calculus

f(t) = − 4 t2 − t− 6 Find the equation of the line tangent to the graph of f(t) at t = 8. Enter the equation of the tangent line here (in terms of the variable t):

asked by Anonymous on July 7, 2014
20. ## geometry

asked by Rick on August 28, 2012
21. ## Math

A girl is 28 years younger than her father.The sum of their age is 50 years.Find the ages of the girl and her father?

asked by Hanah on August 24, 2016
22. ## algebra

Rachael bought 12 pencils and 7 markers for \$5.36, and later bought 8 pencils and 5 markers for \$3.68. Find the cost of each pencil and marker.

asked by cody on March 16, 2011
23. ## Math

Find the center, vertices, foci, and eccentricity of the ellipse. 9x^2 + 4y^2 - 36x + 8y + 31 = 0 I know the center is (2,-1) For the vertices I had (3,-1)(1,-1) and the foci (3.8,-1)(.20,-1) and e = 1.80 but I think these are wrong.

24. ## math

One side of triangle is 5 more than 2 times the shortest side. The third side is 23 feet more than the shortest side. The perimeter is 72. Find all three sides.

asked by j on February 10, 2017
25. ## Algebra

the base of isosceles triagle is 5 m less than 4 times the length of a side. The perimeter is 67, find the length of each side and the base

asked by Mayi - In need of help - Please :) on September 30, 2013
26. ## Algebra

Please help me find the value of the annuity for the following: a1= \$8000, I=0.06, n=10 \$8,000 invested for 10 years at 8% compounded annually\$8,000 invested for 10 years at 0.06% n = 10 Thank you.

asked by Pamela on December 8, 2013
27. ## trig

how do you work find sin (a-B)beta sign. sin a = 12/13,a lies in quadrant II,and cos B = 15/17, B lies in quadrant I.

asked by Kenneth on January 8, 2012
28. ## algebra 1

the length of a rectangle is equal to double the width find the length ll and the width w of the rectangle if the perimeter is 76cm

asked by Anonymous on November 9, 2016
29. ## math

Find the ratio of the volume of the cylinder to the volume of the hemisphere, given that the height, h, of the cylinder is equal to the diameter, d, of the hemisphere

asked by Brandi on October 31, 2009
30. ## Geometry

find the lengths of the sides of a triangle whose perimeter is 37. The measure of the first side of the triangle is 8 less than the second side, and the second side is twice the length of the third side

asked by Zach on February 10, 2011
31. ## Algebra

I am trying to find the real coefficients of the given roots. Did I do this right? 3,-9,3+2i (x-3)(x+9)[x-(3+2i)][x-(3-2i)]=0 (x-3)(x+0)[(x-3)+2i][(x-3)-2i]=0 (x-3)(x+9)[(x-3)^2-2i^2]=0 (x-3)(x+9)(x^2-6x-8)=0 (x^4-71x^2+114x+216)=0 answer

asked by Lynn on April 3, 2008
32. ## grammar

Find complete subject The production of clean timber takes several years A. the production of clean timber

asked by cici on September 25, 2013
33. ## calculus1

Set up the integrals that can be used to find the area of the region by integrating with respect to X and Y (the region is bounded by y=3x,y=x,y=4-x) Anyone help me set up the integrals??

asked by karen on June 8, 2015
34. ## trig

Please answer b)only a) If a triangle has angles of 35 and 65 degrees, what is the measurment of the third angle? Is it a right triangle? b)Find all angles of a right triangle triangle RST given that r = 18 cm and s = 20 cm

asked by Abigail on April 16, 2008
35. ## math

Find the ratio of the volume of the cylinder to the volume of the hemisphere, given that the height, h, of the cylinder is equal to the diameter, d, of the hemisphere.

asked by Maghan on May 23, 2010
36. ## math

Find the slope of the line that passes through the pair of points. (If the slope of the line is undefined, enter UNDEFINED.) (-f + 6, m - 6) and (f + 6, -m)

asked by Honey on September 7, 2012
37. ## Algebra ll

Please help!! I do not understand any of this!! Use the remainder theorem to find the remainder when f(x) is divided by x+4. Then use the factor theorem to determine whether x+4 is a factor of f(x). f(x)=4x^6-64x^4+x^2-18

asked by Sherri on May 11, 2015
38. ## algebra

suppose the supply and demand for a certain videotape are given by: Supply:p=1/5q^2 Demand p=-1/5q^2+30 where p is price and q is quantity find the equilibrium price?

asked by mike on March 5, 2009
39. ## algerbra

the length of a rectangular jewlery box is 6 inches more than twice the width. the perimeter is 54 inches find length and width.

asked by donna on October 12, 2010
40. ## math

In a GP, the sum of the 3rd and 4th terms is -4 /3, and the sum of the 4th and 5th terms is -4 /9. Find the 6th term

asked by Anonymous on April 24, 2016
41. ## Math

Find the equation of the tangent line to the curve: 2(x^2+y^2)^2 = 25(x^2-y^2) at the point ( 3 , 1 ). The equation of this tangent line can be written in the form y = mx+b

asked by applebottom on November 7, 2010
42. ## algebra

the length of a rectangular jewlery box is 6 inches more than twice the width. the perimeter is 36 inches. find the length and width?

asked by john on October 19, 2010
43. ## Alegebra 1

If all the vertices of a triangle are on the circle and one side of the triangle is the diameter of the circle it is a right angle. Find the length of the diameter (AC) if Ab =8 and BC = 15.

asked by Chip on March 10, 2011
44. ## math

describe the pattern then find the missing numbers _, _,27,38, 49, 60 I see a difference of 11 between the numbers in the pattern. What do you think the first two numbers are? the numbers are 5 and 16 Right! Good job! :-)

asked by cheyenne on August 15, 2007
45. ## Connections math help

the equation is 3d + 2 equals 29 can be used to find the height of a bean plant days after it was purchased how many days has it been since the plant was purchased A.7.6 B.8 C.9 D.10.3

asked by Jessica on April 26, 2017
46. ## college alg

find the equation of a line that is parallel to the line x=6 and contains the point (-8,9) please show work, it also wants me to show the answer in an equation

asked by alli on September 4, 2012
47. ## chemistry

if you are given a acid solution, how do you find the concentration of hydroxide .. solution is made of hydrochloric acid and sodium hydroxide

asked by Anonymous on December 18, 2008
48. ## Math

The perimeter of a rectangle is 160 inches the length exceeds the width by 72 inches. Find the length and width?

asked by Shan on February 20, 2011
49. ## Math

The sum of two acute angles in a right triangle is 90 degrees. Find the acute angles on the right triangel wherein twice the first is 40 degrees more than thrice the second

asked by Rin on November 26, 2015
50. ## math

The Jones family was one of the first to come to the U.S. They had 5 children. Assuming that the probability of a child being a girl is .5, find the probability that the Jones family had.

asked by Anonymous on July 14, 2014
51. ## trigonometry

About how far does the tip of a 1.8m pendulum rise as it swings 24 degree to one side? I use the cosine to find how far the tip of pendulum rise. i get 1.9m.

asked by TD on January 14, 2015
52. ## Calculus 1

At 2:00 pm a car's speedomoter reads 20 mph, and at 2:10 pm it reads 25 mph. Use the Mean Value Theorem to find an acceleration the car must achieve.

asked by Val on October 15, 2017
53. ## math/calculus

Find a power function end behavior model for f(x)= (3x^3-4x^2+3x+3)/(x-3) I don't understand what an end behavior model is

asked by Klara on July 5, 2012
54. ## maths

in a GP, the sum of the 3rd and 4th terms is -4/3 and the sum of the 4th and 5th terms is -4/9. Find the 6th term.

asked by glory on April 24, 2016
55. ## Calculus

F (x ) = x^5 + 2x^3 + x − 1 a) What conditions must f (x ) satisfy in order to have an inverse function? Does is satisfy these conditions? why or why not? b)Without finding an explicit function for for f^-1(x), find f^-1(3) and (f^-1)'(3)

asked by Claire on August 31, 2012
56. ## statistics

In a survey, 63% of Americans said they own an answering machine. If 14 Americans are selected at random, find the probability that exactly 9 own an answering machine.

asked by Joe on October 5, 2010
57. ## ssc

one diagonal of a parallelogram is 16.5. it makes angles of 36 degrees 10 minutes and 14 degrees and 30 minutes respectively with the sides. find the sides

asked by cris sept on September 25, 2014
58. ## math

the measures of 2 adjacent side of a parallelogram are in the ratio 17:7 if the second side measures 3.5cm find the perimeter of parallelogram ?

asked by kavitha on February 6, 2013
59. ## math

Family passes to an amusement park cost \$54 each. Which expression can be used to find the cost in dollars of 8 family passes?

asked by Anonymous on September 14, 2016
60. ## CHEM help needed

how do i find the Volume of Atoms within Unit Cell in(Å^3)? I think it has something to do with avogadros number but i do not know exactly...so far i know that the volume of the unit cell is 47.045881 Å^3. PLEASE HELP

asked by jerry on February 14, 2009
61. ## math

If 2 circle are enclosed in a rectangle, then find the ratio of the total area of the rectangle to the total shaded area.

asked by Arick on May 3, 2016
62. ## Algebra

when x number units are sold, the price of each unit (in dollars)is given by P = -x/2 + 75, find the unit price when the quantities are sold: 2,7,9,11

asked by Karen on August 31, 2007
63. ## algebra

I need to find the profit for products sold. P(x) = -750x^2 + 15,000x x is the number/products sold Can you step by step please

64. ## 3 grade math ms sue

1- Michael used addition to find 8*100 and he said product is 80. What did he do wrong? my son did it- the product is not 80 it's 800. 8*100=800

asked by dw on June 6, 2012
65. ## Geometry kite solving question

Find the variables and lengths of the sides of this kite. {top left is y-4, top right is x+5, bottom left is 2x+5, and bottom right is x+12} Thank you (:

asked by sLEXANDria on January 10, 2012
66. ## Science Project

I'm doing a project on how smoking effects the environment. Does anyone know a good website where I can find pictures of how smoking effects the environment? Thanks!

asked by Jennifer on December 17, 2008
67. ## Algebra

In a triangle ABC, angle B is three times angle A and angle C is 5 degrees less than 6 times angle A. Find the size of the angles.

asked by Dora on March 10, 2010
68. ## Algebra

A Parimeter of a rectangle is 140 inches. The length exceeds the width by 36 inches. Find te length and the width.

asked by Markie on November 26, 2009
69. ## Maths

a mother is three times as old as her daughter five years later the mother will be two and a half times as old as her daughter and find their present ages

asked by Anonymous on May 23, 2016
70. ## math

The length of a rectangle is 5 in. more than twice its width.? How do I find the width of the rectangle. duplicate post Divide the length by 2 it's going to be a decimal

asked by Diana on July 26, 2006
71. ## math

f(t) = t^2 − 1 Find the equation of the line tangent to the graph of f(t) at t = 5. Enter the equation of the tangent line here (in terms of the variable t): y =

asked by isabella on October 12, 2010
72. ## math

The first and the last terms of an Arithmetic Progression are 6 and 171 in that order. If there are 14 terms, find the 16th term of the Arithmetic Progression.

asked by Henry on May 8, 2016
73. ## math

John walks along the edge of the field from point A to point C. If P is the point on AC when John is nearest to point B, find the length of BP.

asked by john on January 11, 2016
74. ## Maths

a mother is three times as old as her daughter. five years later, the mother will be two and a half times as old as her daughter. Find their present ages.

asked by Raghav on May 23, 2016
75. ## word problem

bisi and ada age added up to 29, 7 years ago bisi was twice as old as ada, find their present age.

asked by emma on November 21, 2011
76. ## Chemistry (molarity)

How would I find the moles of NaOH solution that was used to titrate? I have 20.01mL of HCl used and 15.95mL of NaOH solution was used to titrate.

asked by Ray on November 10, 2016
77. ## Algebra

The sum of the ages of Dave and Ted is 48. Eight years from now, Ted will be 3x Dave's age. Find their present age.

asked by Filipinas on September 22, 2016
78. ## Geometry

Line HJ bisects angle IHL, Line HK bisects angleJHL, and m

asked by Anonymous on December 15, 2015
79. ## ANOTHER TRIANGLE MATH PROB!

The triangles below are similar. Find the value of x. (the big triangle has two sides that say 21, and the bottom says 24. The small triangle has two sides that say 10.5, and the bottom is X)

asked by Agal on November 17, 2016
80. ## math

One side of triangle is one-third the longest side. The third side is 13 feet less than the longest side. The perimeter is 106. Find all three sides.

asked by angie on September 17, 2014

Find the variables and lengths of the sides of this kite. {top left is y-4, top right is x+5, bottom left is 2x+5, and bottom right is x+12} Thank you (:

asked by sLEXANDria on January 10, 2012
82. ## trigonometry

An airship has an altitude of 800 m , in a distance, a village is seen with an angle of depression 12 °. Find the distance of the airship from the village..

asked by dimwit on January 16, 2015
83. ## Math

In triangle XYZ, |XY|= 8 cm and |YZ|=6m. The area of triangle XYZ is 12cm^2. The |

asked by Anonymous on October 18, 2012
84. ## math

the perimeter of an athletic field is 104 meters and the length is 12 meters more than the width find the width and the length.

asked by john on October 1, 2012
85. ## math

the perimeter of an athletic field is 104 meters and the length is 12 meters more than the width find the width and the length.

asked by john on October 1, 2012
86. ## math

the perimeter of an athletic field is 104 meters and the length is 12 meters more than the width find the width and the length.

asked by john on October 1, 2012
87. ## mathematics

a person has 1&2 rupee coins with him total amount with him is 75.total number of coins with him is 50.find how many 1&2 rupee coinsare there with him.

asked by monica on August 21, 2011
88. ## Algebra

Let a and b be real numbers, where a

asked by Trish Goal on November 7, 2014
89. ## algebra

In a triangle ABC , angle B is 4 times angle A and angle C is 17 degrees less than 5 times angle A. Find the size of the angles.

asked by Sam on September 21, 2010
90. ## algebra

Bisi and fibie ages add up to 29 seven years ago bisi was twice as old as fibie find their present ages

asked by Kennedy on January 8, 2018
91. ## Math

The denominator of a fraction is four more than twice the numerator. If both numerator and denominator are increased by six, the simplified result is 7/13. Find the original fraction

asked by Zac on February 24, 2014
92. ## algebra 2

Marshall has \$1.25 in dimes, d, and nickels, n, in his pocket. Which equation could be solved to find the possible combinations of dimes and nickels Marshall has?

asked by hannah on October 27, 2013
93. ## mathematics

a person has 1&2 rupee coins with him total amount with him is 75.total number of coins with him is 50.find how many 1&2 rupee coinsare there with him.

asked by monica on August 21, 2011
94. ## algebra

the permeter of a rectangle is 148 inches the length exceeds the width by 52 inches find the length and width..

asked by math on January 17, 2010
95. ## math

The sum of the digits of a two-digit number is 16. If the digits are reversed the new number will be 18 greater than the original number. Find the number.

asked by joy on July 29, 2010
96. ## Calculus

Find the area of the bounded region by the graph of x=2y-3 and x=y^2-2y in two ways (i) using x axis as refrence y axis (ii) using y axis as refrence x axis

asked by Akki on March 1, 2015
97. ## arithmetic

Laura sees 5 triangles she knows each triangle has 3 corners help laura sjip count to find how many corners are on 5 triangles

asked by GiGi on February 15, 2012
98. ## algebra

The perimeter of a rectangle is 106 inches,the length exceeds the width by 7 inches, find the length and the width

asked by mikey123 on November 16, 2008
99. ## Algebra

Let a and b be real numbers, where a

asked by Trish Goal on November 9, 2014
100. ## ^Math.^ Pls,I need help

QUESTION: Find the quadratic equation,which has difference of roots equal to 2 and the difference of the squares of roots equal to 5

asked by Ekingdeft on February 11, 2015