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

97,722 questions, page 617
1. ## math

find the domain, range, y and x-intercept, vertical asymptote, maximum, minimum, one-to-one, and horizontal asymptote of: a. f(x)=x^2-6x+5 b. f(x)=x^2-6x+5 on domain [-1,6]

asked by Joan on September 3, 2014
2. ## math

HELP ! I just don't get this. The perimeter of a rectangle is 40 m. The length is 5m more than twice the width. Find the dimensions. What is the length? What is the width? I need to simplify my answer... PLEASE HELP ME>

asked by JOHNNY on May 21, 2010
3. ## math

Okay so i here is the problem......find the unit rate. I don't remember how to solve for the unit rate. Help me please i have a quiz tomorrow.

asked by kayla on January 9, 2012
4. ## math

graph each of the following equations below using their intercepts?. 6x - 3y - 12 = 0 find the intercepts Y intercept is when x is zero x intercept is when y is zero. plot those points, connect the dots.

asked by jenny on January 31, 2007
5. ## math

aviva has a total of 52 coins, all of which are either dimes or nickels. The total value of the coins is \$4.05. Find the number of each type of coin.

asked by rebecca black on November 5, 2012
6. ## algebra

graph each of the following equations below using their intercepts?. 6x - 3y - 12 = 0 find the intercepts Y intercept is when x is zero x intercept is when y is zero. plot those points, connect the dots.

asked by jenny on January 31, 2007
7. ## PreCalc

The fifth term of an arithmetic sequence is equal to 6 and the sum of the first 12 terms is equal to 45. Find the first term and the common difference.

asked by Cloud on November 6, 2016
8. ## math

a circle in inscribed in a rectangle. The rectangle measures 10 inches by four inches. Find the area of the shaded part

asked by amy on June 3, 2010
9. ## Statistics

Assuming that the probability of male birth is 0.5,find the probability that in the family of 4 children there will be A. 1 boy B. 2 boys C. At least a boy

asked by Anonymous on December 5, 2017
10. ## Goemetry

A prism has an equilateral triangle for its base. One side of the base measures 12 ft and the altitude of the prism is 6 ft. Find the volume.

asked by Ariel on June 3, 2010
11. ## MAth

the perimetre of rectangle is 240cm .if length is increased by 10% and breadth is decreased by 20% the perimetre remains same. find the length

asked by deepti on April 19, 2017
12. ## Calculus

Inclusive of a 6.4% tax, a diamond ring sold for \$2128.00. Find the price of the ring before the tax was added.

asked by Darlene on November 4, 2012
13. ## Probability

When two fair six-sided dice are rolled, there are 36 possible outcomes. Find the probability that either doubles are rolled or the sum of the two dice is 8.

asked by Jessica on April 30, 2014
14. ## algebra

Graph each of the following equations below using their intercepts?. 0.2x - 0.5y = 2 find the intercepts Y intercept is when x is zero x intercept is when y is zero. plot those points, connect the dots.

asked by jenny on January 31, 2007
15. ## Math

What equation do I use to find out what I need to get on my exam to pass my class. I have a 65.9% and the exam is 20% of my grade....if you need any additional information let me know..... also a passing grade is 59.5

asked by Christine on January 17, 2012

Find a pattern fot this sequence. Usde the pattern to show the next two terms. 1,2,6,24,120,___,___?

asked by Anonymous on September 15, 2010
17. ## math

Give each letter of the alphabet a money value: A=1c, B=2c, C=3c,and so on.Find words worth 1/5 dollar, 9/10 dollar, 1 1/20 dollars, and 1 1/2 dollars.

asked by peter on January 15, 2012
18. ## maths

i need to find out which of these is better value. £3.90 -9 pack of toilet rolls or £2.50 6pack of toilet rolls. i think its th £3.50 but i am finding it hard to show the working out.

asked by lucy on April 13, 2009
19. ## math

Graph each of the following equations below using their intercepts?. 0.2x - 0.5y = 2 find the intercepts Y intercept is when x is zero x intercept is when y is zero. plot those points, connect the dots.

asked by jenny on January 31, 2007
20. ## Maths

Difference between the compound interest and the simple interest on a certain sum for 2 years at 6% per annum is rupees 90 .find the sum

asked by Ashis kumar Bera on November 5, 2017
21. ## Calc-slopes & concavity

1. Let f(x)=x^3-3x+2 a.) Find the equation of the line tangent to the graph of y=f(x) at x=2 b.) For what values of x is the function increasing? c.) For what values of x is the graph concave down?

asked by Andy on January 23, 2011
22. ## pre- calculus

consider the collection of all rectangles that have lengths 2in. less than twice their widths. find the possible widths(in inches) of these rectangles if their perimeters are less than 200 in

asked by Mary on January 16, 2012
23. ## year 7 french

for my french homework i need to translate countries from french into english . i have found some but not all i can`t find a website that helps me . thanks to all who helps

asked by lisa on February 23, 2008
24. ## math

Graph each of the following equations below using their intercepts?. 0.2x - 0.5y = 2 find the intercepts Y intercept is when x is zero x intercept is when y is zero. plot those points, connect the dots.

asked by jenny on January 31, 2007
25. ## Calculus

Find the xy-equation of the curve that passes through (-2, -2) and whose slope at any point on the curve is equal to 5 times the x-coordinate of that point

asked by James on November 4, 2016
26. ## 7th Math

Alana tosses 2 number cubes. She wins if she rolls double sixes Find P (Alana wins)

asked by murph on May 11, 2016
27. ## Geometry

the number of sides in 2 regular polygons is in the ratio 5:4 an the difference between their angles is 9^o. Find the number of sides in the polygon

asked by HELP!!! URGENT on December 2, 2011
28. ## Math

a man sells a radio set a gain of 5 %.had he sold it for rs.490 less,he would have lost 2 %.find the c.p of the radio set.

asked by Simran kaur on November 25, 2012
29. ## physics

Q1 and Q2, when separated by a distance of 2 m, experience a force of repulsion eqaul to 1.8 N.(a) What will the force of repulsion be when they are 10 m apart? (b) if the ratio Q1/Q2 = 1/2, find Q1 and Q2 ( r = 10m)

asked by Anonymous on February 11, 2011
30. ## Math

a man sells a radio set a gain of 5 %.had he sold it for rs.490 less,he would have lost 2 %.find the c.p of the radio set.

asked by Simran kaur on November 25, 2012
31. ## Precalc

Find a possible formula for the trigonometric function whose values are in the following table (note the values in the table may be slightly rounded): x 0.00 0.17 0.33 0.50 0.67 0.83 1.00 1.17 1.33 1.50 1.67 1.83 2.00 g(x) 4.00 5.50 6.60 7.00 6.60 5.50

asked by Joe on November 9, 2017
32. ## algebra

The difference between the ages of two friends is 2 years. The sum of their ages is 74 years. Find the age of the older friend.

asked by kara on December 14, 2009
33. ## Algebra

We are suppose to find distance between points and the midpoint (9,8) and (2,1) I used the distance formula which I thought was the way I should do it. If I should not have used this, can someone tell me what I did wrong or what formula I should have used?

asked by Lynn on March 21, 2008
34. ## Math - Geometry

The bases of a trapezoid are 6'' and 9'' long. If the distance between the bases is 8'', find the distance from the intersection of the diagonals to the longer base.

asked by Tyler Lowmiller on April 27, 2010
35. ## Geometry

the number of sides in 2 regular polygons is in the ratio 5:4 an the difference between their angles is 9^o. Find the number of sides in the polygon

asked by HELP!!! URGENT on December 2, 2011
36. ## equation of the normal

An equation of the normal to the graph of f(x) = x / (2x-3) at (1,f(1)) is ........ find f' Then, the slope of the normal will be -1/f' Make the equation g(x)= -1/f' + b put in the point 1, f(1), and solve for b, and you have it.

asked by Jen on December 9, 2006
37. ## Finite Mathmatics

Two cards are drawn from a well-shuffled deck of 52 playing cards. Let X denote the number of aces drawn. Find P(X = 2).

asked by Dustin on February 13, 2011
38. ## Math

The average of four possible numbers is 15. The second number is 2 times the first number. The third number is twice the second. What is the largest number? Would these be consecutive integers? And then you find the median??

asked by Jessica on November 5, 2017
39. ## algebra

The base of a triangle is 7cm greater than the height. the area is 60cm^2. find the height and the lenght of the base.

asked by John on April 21, 2010
40. ## Math

The price of a fan increased by 25% to \$48.75. Find the original price of the fan. This is how I did it. 100/25%=400. 48.75-4.00= 44.25. I'm not sure if I'm solving it the correct way can someone help please

asked by Unknown on March 6, 2013
41. ## Math

Please help with my stat hw A distribution with μ=65 and σ=6 is being standardized to produce a new mean of μ=50 and a new standard deviation of σ=10. Find the new standardized value for each of the following scores from the original distribution: 71,

asked by Div on February 3, 2019
42. ## math

Calculate the magnitude of a when a = (2, 3, -2). Find (1/|a|)xa. Is it a unit vector. I calculated the |a| = sqrt17. I don't know how to determine if it's a unit vector or not?

asked by Anonymous on March 29, 2008
43. ## Physics

The resultant of two forces is 50N. If the forces are perpendicular to each other and one of them makes an angle of 300 with the resultant, find its magnitude

asked by Olamilekan on December 4, 2015
44. ## math

The size of an interior angle of a regular polygon is 3x° while its exterior angle is (x- 20)°. Find the number of sides of the polygon

asked by kudu on February 17, 2015
45. ## calculus

8. f(x)= - 2x^3 + 45x^2 -300x +9 There are 3 intervals (-inf,A], [A,B], [B, inf) where A and B are critical points. Find A and B? For each of the intervals is it decreasing or increasing??

asked by mkcolema on March 17, 2009
46. ## algebera

the lengthnof a rectangular jewelry box is 3 inches more than twice the width. the perimeter is 30 inches. find the length and the width?

asked by shelia on February 10, 2011
47. ## math

A line L1 passes through point (1, 2) and has gradient of 5. Another line L2, is perpendicular to L2 and meets it at a point where x = 4. Find the equation for L2 in the form of y = mx + c

asked by kudu on February 20, 2015

Find two positive fractions such that if we switch the denominators, the sum afterthe switch is 50 times the original sum.

asked by qwerty123 on February 9, 2011
49. ## Math

Find the area of the parallelogram that has the vectors as adjacent sides. u = i+2j+2k v = i+k I know that I have to use (-2,-2,2) sqrt (1-2)^2 + (2+2)^2 + (2-2)^2 = sqrt17 Area = sqrt 17. Is this correct?

50. ## physics

I have the speed of a light source in plexiglass and I need to find the change in frequency from air to plexiglass and the change in wavelength.

asked by Amanda on March 27, 2009
51. ## algebra

use the rational zero theorem to list the potential rational zeros of the polynomial function. Do not attempt to find the zeros. f(x)=2x^7-x^5+8x^4+52

asked by confused on November 20, 2012
52. ## Spanish

I need to find a poem but I only have a couple of lines in the poem can someone see if they can tell me the name. here is the lines From the darkness you called me. one more line is: answered where are you, papa?

asked by Kay on May 8, 2010
53. ## Math Ms.Sue help plzz!!

find each union or intersection let A={1, 2, 3,} B={x|xis and even whole number less than 9} C={2, 5, 7, 10,} and D={x|xis an odd whole number less than 10} 11. A U C i have to do this AUC and i don't understand

54. ## geometry

the base of a triangle is 4dm longer than its altitude, and its area is16dm^2. Find the lengths of the base and its altitude.

asked by ja on February 6, 2011
55. ## math

a two figure number is written down at random find the probability a)that the number is greater than 68 b)the number is a multiple of 9 c) it is less than 100 d) it contains at least one 5 (i.e a number such as 15 or 55

asked by arzam on May 2, 2013
56. ## Trig

Find the amplitude, if it exists, and the period of: y=tan1/4x. no amplitude I got confused, is the period 4pi? And is that the same as saying 360 degrees?

asked by does it matter at this point? on March 7, 2008
57. ## Romeo and Juliet Help!!!

Could someone please help me I can't find the answer anywhere! thanks for you help! Why does Romeo's answer to Tybalts insults upset Mercutio? What does he think Romeo is doing? (By the way this is all in act 3 scene 1)

asked by Alex on March 26, 2009
58. ## math

I need to find the original sale price and the new sale price when thr markdowns percent is 12% and the amount of markdown is \$1.20

asked by Anonymous on September 1, 2014
59. ## physics

Find the resulting displacement of a 15-km displacement and a 25-km displacement when the angle between them is 90 degrees.( Your answer should include magnitude and direction of the displacement.)

asked by sam on December 6, 2009
60. ## math

you take 2 balls without replacement from the bag, 2 yellow and 7 pink find the expectation and the standard deviation of how many yellow balls you will get

asked by keisha on May 14, 2010
61. ## Math

four times the sum of three consecutives odd integers is the same as 221 more than 5 times the largest integer. Find the integers

asked by Alice on January 18, 2019
62. ## Math

The formula A=bh is used to find the area of a parallelogram. If the base of a parallelogram is double and its height is doubled, how does this affect the area.

asked by Cindy on February 8, 2011
63. ## Math

A man who is 6.2 ft tall casts a shadow that is 13.6 ft long. Find the height of a petrified stump that casts a 16.9 ft shadow.

asked by Carlos on November 21, 2015
64. ## Chemistry

How to find grams used of methanol? The molecular weight in g/mol is 32.04 and the density is 0.791. Also 25 mL of methanol was used. How to convert this to grams?

asked by Denaiel on November 17, 2016
65. ## Math

The sum of the first seventeen terms of an arithmetic series is 493 The third term is 11. Find the first term and the seventeenth term. The n-th term is 3*n + 2

asked by Blonde Glamour on December 21, 2006
66. ## Math

I have a TI-83 graphing calculator. How do you graph a polar equation on this calculator. Also how would I graph lim 5/x-2 x-->2 in order to find the limit?

67. ## Math

Find the total profit, the maximum value of the total profit, and the value of x at which it occurs when the revenue is given by R(x)=240x-x^2 and the cost is given by C(x)=5000+8x.

asked by Pam on February 23, 2014
68. ## Math

Find the slope m of the tangent line to the graph of the function at the given point and determine an equation of the tangent line. f(x) = 9/(5 x) ( at ) \(1,(9/5)) m = y=

asked by Anonymous on February 4, 2011
69. ## pre algebra

the measures of the angles of (triangle) RST are in the ratio 2:3:5. find the measures of each, and classify the triangle as acute, right, obtuse.

asked by lavena on June 16, 2010
70. ## math

A diamond is purchased for \$3500. Its value increases 4% each year. Find the value of the diamond at the end of the sixth year of ownership.

asked by may on March 19, 2015
71. ## math(trig)

i need to figure out how to write the formula for the following question In a right triangle a = 30 yds and t5an A = 2. Find b and c. I have the answers but do not know how to write the formula. Can you help me ?

asked by freddie on December 18, 2007
72. ## sci

where can i find research info on terrestrial resource issues. and management and sutainment plan for the terrestrial resource.

asked by staci on January 25, 2008
73. ## math

two fifth of a pole is in the ground 0.125 is in the water and 4.75m is above water-find the length of the pole how can i solve such problem "4.75 m "

asked by nas on June 18, 2010
74. ## Math

If fencing cost \$7 per foot find the total cost of fencing a rectangular garden 36ft by by 12ft

asked by Anonymous on November 1, 2014
75. ## Algebra

The base of triangle is 4cmgreater then the height, the area is 48cm squared. Find the height and the length of the base.

asked by Debbie on February 2, 2008
76. ## Math

The perimeter of a rectangle is 220 inches. The length exceeds the width by 78 inches. Find the lenght and the width.

asked by Anonymous on November 20, 2009
77. ## math

Find the largest and smallest values of the given function over the prescribed closed, bounded interval. F(x)=e^{x^2-2x} for 0

asked by Anna Kirakosyan on November 3, 2016
78. ## Math

A triangle has sides 3x + 7, 4x – 9, and 5x + 6. Find the equation that represents its perimeter I believe you put each equation which represents a side in parenthesis: (3x + 7) + (4x – 9) + (5x + 6)

asked by Aimee on February 22, 2007
79. ## Exploring mathematics elementary algebra

the units of a two-digit number exceeds thrice the tens digit by 1. the sum of the digits is 9. find the number.

asked by Joe Mhar Plaza on January 6, 2011
80. ## FURTHER MATHS

The 8th term of a linear sequence is 18 and 12th term is 26.find the first term,common difference and 20th term

asked by JANET on January 15, 2018
81. ## math graphing

r=4sin9(thetha) How would I find values for this graph do I do 4*Sin 9 *a degree or 4 *sin (9* a degree) I don't understand

asked by jared on April 28, 2009
82. ## Math

Find the percent. Round to the nearest whole percent. 159 people in favor out of 350 people surveyed.

asked by Tabian on January 7, 2008
83. ## physics

from circuit R1 6680 ohm R2 680 ohm R3 330 ohm R4 180 ohm find the total resistance

asked by ali on October 27, 2015
84. ## Maths

In trapezium ABCD,AB=14cm,AD=10cm,DC=xcm &distance between AB &DC is 8cm. find the value of x & area of the trapezium ABCD

asked by Prince on January 10, 2018
85. ## Math

Define a variable and write a equation to find each number. Then solve. A number equals six less than four times a number. What is the number?

asked by Anonymous on November 5, 2018
86. ## math- graphing

r=4sin9(thetha) How would I find values for this graph do I do 4*Sin 9 *a degree or 4 *sin (9* a degree) I don't understand

asked by jared on April 28, 2009
87. ## Calculus

If the velocity function of an object is v(t) = -5t4 - 20t + 100, find the displacement function given that the displacement is 50 ft when time is 1 second

asked by Chong on October 19, 2015
88. ## Math

If the 16th term of an arithmetic sequence is three times the fourth term, find the ratio of the 23rd term to the third term.

asked by James on June 27, 2016
89. ## math

yea it sais, three times one number added to another number is 18. twice the first number minus the other number is twelve. find the numbers

asked by Ricky on January 23, 2008
90. ## physics

A big clock has a minute hand 3 ft long and a second hand 4 ft long. let x be the distance between their tips. find max value of (dx)/(dt)

asked by jess on October 8, 2007
91. ## Math

The volume of a sphere is increasing at a rate of 5 cm^3/s. Find the rate of change of its surface area when its volume is 500pi/3 cm^3.

asked by Becky on March 1, 2014
92. ## physics

two aircraft p and q are flying at the same speed,300m/s. the direction along which q is flying. find the magnitude of the velocity of the aircraft p relative to q.

asked by selam on November 12, 2018
93. ## Physics

Find the electrical potential energy (EPE) of three point charges placed as follows on the x-axis: +2.0 μC at x = 0, +3.0 μC at x = 20 cm, and +6.0 μC at x = 50 cm. Take the (EPE) to be zero when the charges are far separated.

94. ## Statistics

Find z such that 44.0% of the standard normal curve lies to the left of z. 0.151 -0.772 -0.151 -1.519 1.519

asked by Alex on June 20, 2010
95. ## Physics

A car is traveling due east at 25.0 m/s. If it accelerates at 0.750 m/s^2 due east find it's velocity after 8.50 s have elapsed.

asked by Duane on February 3, 2012
96. ## probability

Find the probability that there are 3 Heads in the first 4 tosses and 2 Heads in the last 3 tosses. Express your answer in terms of p using standard notation.

asked by tess on February 27, 2014
97. ## Calculus

For the demand function find the elasticity function. Problem 52. p=D(x)=18-Sqrt[x] My answer is [-36x^1/2 + 2x]/x However, the answer in book is [-2(18-x^1/2)]/[x^1/2]

asked by Sarah on December 9, 2007
98. ## Math

I have to find percent error. Can anyone help show me how to do it? Here is the problem: estimated time: 40 workdays, actual time: 80 workdays.

asked by GGDarkNebula on November 5, 2018
99. ## Math

the altitude, AD, to the hypotenuse BC of right triangle ABC divides the hypotenuse into segments that are 8 and 10 cm long. find the length of the altitude.

asked by anae on October 19, 2013
100. ## math

kitty is 4 years younger than mario three years from now she will be two thirds as older as mario .find their present ages

asked by asiana on February 7, 2017