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

97,722 questions, page 460
1. ## calculus

Find the dimensions of a right circular cone, that holds one liter and is made with a minimum amount of sheet metal. It is open on the top.

asked by Lin on December 15, 2010
2. ## World History

26. The Italian fascists had a slogan: "Women into the Home." How did this support their political ideas? Any help would be greatly appreciated, I can't find the answer in my book. Please and thank you!

asked by Alex on December 30, 2013
3. ## physics

Consider a particle initially moving with a velocity of 5m/s starts deaccelarating at a constant rate of 2m/s*2 find the distance travelled in 2sec? Ans:2m

asked by Thousif on October 6, 2017
4. ## Math

An amount of \$2,500.00 is depsoisted in a bank paing an annual interest rate of 5.3% coumpounded quaterly. Find the balance after 3 years

asked by Dierdre on October 1, 2012
5. ## Math

A storage box measure 24in by 12in by 3in. Find its volume to the nearest cubic meter (1in =2.54cm)

asked by Anonymous on February 27, 2011
6. ## Math

I am supposed to find five ordered pairs to make the equation true y = 20 + x/3 so far I have (0,20) and (6,22) is this right? I am unsure because my text example had x^2 + 3x = y (0,0) (1,4) (2,10) (3,18) (4,28) and they have a common theme (muliply by by

asked by Punkie on January 6, 2010
7. ## math

At a certain time of the day the elevation of the sun is 40 degrees. To the nearest foot, find the height of a tree whose shadow is 35 feet long.

asked by Chris on March 28, 2016

Find the surface area when a hexagonal prism 6t tall with a regular base measuring 9ft on each and an apothegm of length 7.8ft.

asked by Vecchi on June 27, 2016
9. ## Calculus

Very confused: The planes A1x + B1y + C1z + D1 = 0 and A2x + B2y + C2z + D2 = 0 are perpendicular. Find the value of A1A2 + B1B2 + C1C2. Thanks!

asked by Hugsy on July 8, 2008
10. ## physics

Four charges −8 × 10^−9 C at (0 m, 0 m), −7 × 10^−9 C at (5 m, 1 m), −1 × 10^−9 C at (−2 m, −3 m), and 2 × 10^−9 C at (−2 m, 4 m), are arranged in the (x, y) plane as shown. Find the magnitude of the resulting force on the -8c

asked by sarah on January 29, 2014
11. ## Solid Mensuration

The diagram is formed from 6 identical closed -packed circles. If the height of the figure is 2 feet, find the radius of each circle in inches.

asked by Joy on April 30, 2016
12. ## Trigonometry

If sinA=3/5 and cosB=5/13 and if A and B are measures of two angles in Quadrant I, find the exact value of the following functions. cotB = sin2A= 3)cos(5pi/6 + B) = tan(A - pi/4) =

asked by snoopy on March 29, 2019
13. ## Math

I am supposed to find five ordered pairs to make the equation true y = 20 + x/3 so far I have (0,20) and (6,22) is this right? I am unsure because my text example had x^2 + 3x = y (0,0) (1,4) (2,10) (3,18) (4,28) and they have a common theme (muliply by by

asked by Punkie on January 6, 2010
14. ## physics

a mass of 0.1kg falls freely under the action of gravity .find the force acting on it its momentum kinetic energy after 10s?

asked by anurag on July 28, 2010

suppose that a1, a2, a3, ..., ak forms an arithmetic sequence. If a5+a8+a11=10, a7+a10+a13=12, and ak=11, find k note: the numbers and the k after the a's are subscript but i don't know how to type that

asked by Jared on September 30, 2009
16. ## Math

I did this problem on a practice test, but the answer isn't in the back of my study guide, although I believe I'm correct. Can someone check my work? Thanks; very appreciated. Find p(-2) if p(x) = 3x^4 + 3x^3 + 7x - 10 3(-2^4) + 3(-2^3) + 7(-2) -10 3(-16)

asked by LovelyLina, on March 25, 2019
17. ## Precalculus with trigonometry

I REALLY NEED HELP WITH THIS Della Casee is riding a racing bike at a speed of 50.4 km/h. the wheels have a diameter of 70 cm. Find the angular velocity of the wheel in radians per second.

asked by Cheyenne Sharp on October 23, 2007
18. ## finance

find the amount for each ordinary annuity if there are payments of \$700.00 at the end of each month into an account that pays 10% per annum, compounded monthly

asked by roy on June 21, 2014
19. ## chemistry

A 445 g sample of ice at –58oC is heated until its temperature reaches –29oC. Find the change in heat content of the system.

asked by Calorimetry problem on September 10, 2012
20. ## math

Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine, 2.37 cross 10−5 watts/cm2

asked by neal on June 5, 2014
21. ## Math

Based on simple interest, find the total amount saved or owed. principal = \$1700; rate = 6%; time = 5 years

asked by Boom on January 23, 2014
22. ## Math

find the amount of money in a bank account given the following conditions. Initial deposit= \$2000, annua rate= 5.5%, time= 4 years?

asked by Lindsey on December 15, 2010
23. ## Physics

Find the energy necessary to put 5kg , initially at rest on Earth's surface, into geosynchronous orbit. do i use the formula U=-GMm/r I get 290 MJ?

asked by James on March 20, 2009
24. ## 6th Grade Math Help

Hi, I really need help. The question is find the area of the parallelogram which is not drawn to scale. I think the base is 24 cm, the height 9 cm, and the left side that's kind of cut slanted is 8 cm. Please help! Thanks!

asked by MusicLover14 on April 3, 2015
25. ## chemical

NH4Cl at temperature 20 degree lattice length 3.88 angstrum and density 1.5 gm/cm3 if the molecular weight 53.5 gm find the unit cell

asked by muna on December 12, 2010
26. ## physics

a converging lens has a focal length of 15cm. Find two positions where a real object can produce images four times its size.

asked by Anonymous on March 19, 2013
27. ## Math

Regular triangular pyramid has the slant height k=12 cm and lateral area A = 198 cm2. Find the length of the base edge.

asked by URGENT HELP!!!! on April 27, 2017
28. ## math

Can somebody help me to understand this question. the sale tax rate in one city is 5% find the total price paid for a pair of shoes that cost \$56.60,

asked by cora evans on December 31, 2013
29. ## Probability

Find the probability of obtaining between 50 and 55 tails inclusive when a fair coin is flipped 80 times. (answer accurate to four decimal places.)

asked by Anna on November 22, 2009
30. ## Math

Find the difference of all the prime numbers between10 and25 arranged in descending and ascending order.Give your answer in words.

asked by Benjamin on August 9, 2011
31. ## Single Variable Calculus

find an expression for the area under the graph of f(x)= (x^2)+x from x=2 to x=5 as a limit of a riemann sum (do not need to evaluate). the answer i got was: lim as x-> infinity of sigma from i=2 to n of (2+3i/n)^2+(3i/n)(3/n) is this correct?

asked by Kelly on August 11, 2011
32. ## GSU

I have to fill out the college application for Georgia State University, and I'm really getting late on that. can someone give me the link to it please. or tell me where to find it on their site i don't think i saw it on their website

asked by y912f on November 23, 2009
33. ## algebra

each week you gave a quiz in social studies and science class. find the probability both quizzes given on the same day tell if independent or dependent

asked by barb on October 20, 2011
34. ## Physics

Find The Potential Energy Of A Boy Mass 10kg Standing On A Building Floor Of 10 Metres Above Ground Level. 10*10*10 =1000

asked by Davido on March 25, 2016
35. ## CHEMISTRY

0.560g of potassium hydroxide is added to 25.0 cm^3 of 1.00 mol dm^-3 of hydrochloric acid.Find the limiting reagent & please show the working.THANKS IN ADVANCE.

asked by ALIYAH on May 8, 2011
36. ## bio

I think I got it carbohydrates lipids proteins nucleic acids correct? still haven't found the basic element yet. I think it is carbon, but can't find anything definte

asked by tammy on October 17, 2007
37. ## Math/Algebra

Find the x-intercepts of f(x)=4x^2-20. Give an exact answer using radicals as needed. Rationalize all denominators. Express complex numbers in terms of i.

asked by Kelly on March 6, 2009
38. ## Statistics

Find each uniform continuous probability and sketch a graph showing it as a shaded area.. If you please show me how you got the answer I would really appreciate. a. P(X < 10) for U (0, 50) b. P(X > 500) for U (0, 1,000) c. P(25< X < 45) for U(15, 65)

asked by Shon on September 8, 2010
39. ## PHY (NEED ANSWER SOON PLS)

A 2400 watt appliance operating at 10 amps has most nearly_____ ohms resistance. A) 24 B) 0.5 C) 5 D) 240 E) need more info I tried to find a formula to use, but i don't know which one to use. Thank you.

asked by Anonymous on May 31, 2011
40. ## Science

Can anyone exlplain how particles behave in the reaction between iron and sulphur???!!! Ive checked all over google and cant find any helpful answers!!! PLZ HELP ME!!

asked by Cath on May 10, 2009
41. ## calculus

Use the method of cylindrical shells to find the volume V generated by rotating the region bounded by the given curves about the y-axis. y=4/x, y=0, x=2, x=3 I know you have to integrate from 2 to 3 but im not sure what the integral should be

asked by Matthew on September 9, 2010
42. ## physics

an object 5cm lenght is placed at distance of 20cm in front of a convex mirror of radius of curvature 30 cm . find the position of the image

asked by jaya on November 15, 2017

I'm writing a research report on the very first stagecoaches. The information that I cannot find is: Who invented it who has improved it over the years how and where was it originally used If not used today, why is it not used, and what replaced it? Thank

asked by Coco on March 8, 2009
44. ## science

In which biome would you find the main types of plant life to be grasses and non-woody plants? A: Savanna B: Desert C: Tundra D: Mountains**

asked by poof on February 4, 2019
45. ## physics

a converging lens has a focal length of 15cm. Find two positions where a real object can produce images four times its size.

asked by Anonymous on March 19, 2013
46. ## Math

Of 43 plays attributed to a playwright 16 are comedies, 15 are tragedies, 12 are histories. If one play is selected random find the odds against selecting a history?

asked by Angela on May 25, 2016
47. ## Physics

The equation of a transverse wave travelling along a string is given by "y=5 sin π (0.5x-40t)". Find the: a.Amplitude b.Wavelength c.Frequency d.Velocity e.Period

asked by Christianah on March 20, 2019
48. ## Economics

Can someone help me find good links to statistics of welfare in Canada such as the number of people who are dependent on it, how much it is abused, and the reduced labour output?

asked by Labz on April 12, 2012
49. ## trig

use sum or difference identities to find the exact value of the trigonometric function: tan 345 please show work, i cant figure out what im doing wrong!

asked by Anonymous on November 19, 2009
50. ## MATH

Suppose that 2000 is loaned at a rate of 9% , compounded semiannually. Assuming that no payments are made, find the amount owed after 10 years.

asked by Anonymous on December 10, 2010
51. ## Math

Tyler earns 7\$ an hour mowing lawns. Write and solve an inequality that he can use to find at least how many hours he has to work to earn 100\$

asked by Anonymous on March 30, 2015
52. ## math

The base of a solid is the region bounded by the parabola x^2 = 8y and y=4. Each cross section perpendicular to the y-axis is an equilateral triangle. Find the volume.

asked by dee on March 12, 2016

Use the formula or a calculator application to find the monthly payment on a home mortgage of \$282.335 at 4.656% interest for 20 years.

asked by Anonymous on December 13, 2013
54. ## chemistry

we did a lab where we mixed an iron nail with cupric chloride to find the reaction is this the balanced equation... Fe + CuCl2 --> FeCl2 + Cu or would Fe and Cl bond different??

asked by lyne on February 10, 2009
55. ## math

find the lateral surface of the frustum of a cone 6inches high with upper and lower bases 11inches and 7inches in diameter respectively

asked by res on July 27, 2011
56. ## Statistics

Suppose that A and B are events defined on a common sample space and that the following probabilities are known. Find P(A or B). (Give your answer correct to two decimal places.) P(A) = 0.34, P(B) = 0.41, P(A | B) = 0.2

asked by Carl on June 8, 2013
57. ## hialeah campus

Assume that women's heights are normally distributed with a mean of 63.6 and a standard deviation of 2.5 a) If 90 woman is randomly selected, find the probability that they have a mean height between 62.9 and 64.0 inches.

asked by Anonymous on July 6, 2016
58. ## math

Two standard six-sided dice are rolled and the sum of their squares computed. Find the probability that the resulting number will be an element of the set {2,5,8,10,13,17,18,20,26,29,32,34,37,41,45,52,61,72}

asked by chelsea on November 19, 2017
59. ## physics

A power line 10 meter high carries a current 200 amperes .Find the magnetic field of the wire at ground?

asked by shahed mumtaz khan on September 26, 2014
60. ## ALGEBRA

Find the number of decibels for the power of the sound. Round to the nearest decibel. A rock concert, 5.21 multiplied by 10-6 watts/cm2

asked by Randy on April 16, 2012

Find two consecutive integers, the sum of whose squares is 1 more than twelve times the larger. (Please provide the steps/explanation for solving this problem)

asked by purpletree on March 29, 2009
62. ## physics

the mass of the truckand its contents is 7460kg. find the magnitude of the forces exerted by the ground a) the front wheels b)the rearwheels of the truck.

asked by Anonymous on October 23, 2014
63. ## economic

give the demand curve of the monopolist Q=30-.3p and function:C=2Q²+20Q+10,find the profit maximizing level of output & price

asked by sintayehu on August 30, 2018
64. ## algebra

if you have 88 ft of fencing to enclose a rectangular plot but don't fence one side, find the length and width of the rectangle that will maximize the area

asked by rochelle on November 11, 2009
65. ## Math/Trig

Find the radius of a circle with a central angle of pi/7 and a length of the intercepted arc equal to 7.7 cm. Round your answer to the nearest tenth.

asked by CJ on January 17, 2011
66. ## physics

a picture frame 25 kg hung over a nail by a string attatched to two hookes in the upper bar . find tension using parallelogram law

asked by susan on March 21, 2013
67. ## math

a bullet of mass m,with speed v,hits a fixed wooden block and penetrates a distance of l.find the average resistance of the wood.

asked by ara on January 17, 2011
68. ## math

a bullet of mass m,with speed v,hits a fixed wooden block and penetrates a distance of l.find the average resistance of the wood.

asked by ara on January 17, 2011
69. ## Math

Two identical circles of largest possible area are to be cut from a 12in by 24in rectangular piece for stock. Find the amount of waste.

70. ## research paper on code of medical ethics opinion 5

I need help with trying to find websites on AMA code of medical ethics opinion 5.07. I am taking a class through penn foster and I am stuck. If anyone could help that would be great! Thanks!

asked by Jackie on June 24, 2010
71. ## Statistics

assume that adults have IQ scores that are normally distributed with a mean of 105 and a standard deviation of 15 find the probability that a randomly selected adult has an IQ between 89 and 121 ?

asked by Rebecca on December 12, 2012
72. ## math

Use Chebyshev’s theorem to find what percent of the values will fall between 162 and 292 for a data set with a mean of 227 and standard deviation of 13.

asked by denise on June 23, 2011
73. ## trig

Two ships, one sailing at 30 km/hr and the other at 45 km/hr, left port at the same time. Three hours later they were 120 km apart. If you had to find the angle between their courses an equation that could be used to solve this problem is:

asked by jonathan on February 24, 2008
74. ## stats

find critical z values, in each case assume normal distribution applies. left tailed test. Alpha= 0.05 Can someone please explain how to do this?

asked by josh on December 2, 2017
75. ## math URGENT HELPPPP!

Regular triangular pyramid has the slant height k=12 cm and lateral area AL = 198 cm2. Find the length of the base edge.

asked by katy on April 30, 2017
76. ## Math Calc 1 Last question

Find the volume of the solid obtained by rotating the region bounded by the curves y=4x-x^2, y=8x-2x^2 about the line x=-2. I got 256 pi/3 but pretty sure my work is wrong.

asked by Anonymous on December 12, 2012
77. ## math

a travel mug is shaped like a cylinder. it is 9cm wide and 15cm tall. find its volume to the nearest tenth. use 3.14 for pie.

asked by Anonymous on March 21, 2013
78. ## Pre - CALCULUS

Find the x-intercepts (if any) for the graph of the quadratic function. 6x2 +12x+5=0 Give your answers in exact form. Show your work.

asked by Ciara on April 10, 2015
79. ## Math/Trig

Find the radius of a circle with a central angle of pi/7 and a length of the intercepted arc equal to 7.7 cm. Round your answer to the nearest tenth.

asked by CJ on January 20, 2011
80. ## Physics

A train moving with constant speed of 54kmph moves eastwards for 30min then north for 40min find avg velocity

81. ## Research

does anyone know of any good sites i can find info about Problems Michael Dell Encountered Prior to IPO? im really having a hard time. id apperciate it.

asked by Johanan on April 28, 2009
82. ## Maths

4. Calculate average speed of particle which position at time t is given by the function g(t) = t3, on the intervals (a) [2,3]; (b) [2,2.1]; (c) [2,2.0001]; (d) [2, 2 + h] , where h > 0 is arbitrary positive number. Find g′(2).

asked by Jasmine on April 3, 2014
83. ## chemistry

Find the initial concentration of the weak acid or base in an aqueous solution of pyridine (C5H5N) with a pH of 8.65. Kb = 1.80×10−9 . Answer in units of mol/L

asked by Anonymous on January 28, 2015
84. ## Calculus

I had this on a test: Use the half-angle formula to find the exact value of the expresseion: sin 22.5 degrees my answer - 1/2 sqrt2 - sqrt 2 was wrong

asked by kelly on November 27, 2007
85. ## Maths

4. Calculate average speed of particle which position at time t is given by the function g(t) = t3, on the intervals (a) [2,3]; (b) [2,2.1]; (c) [2,2.0001]; (d) [2, 2 + h] , where h > 0 is arbitrary positive number. Find g′(2).

asked by Jasmine on April 3, 2014
86. ## Chemistry

Give the following reaction,find the mass of oxygen required to produce 13grams of CO2; C3H8+5O2--->3CO2 + 4H2O

asked by Charlie on June 15, 2011
87. ## maths --plse help me..

Find the difference of the areas of two segments of a circle formed by a chord of length 5cm subtending an angle of 90degree at the centre.

asked by Anonymous on December 17, 2012
88. ## Math

The length of the diagonl of a rhombus are 18 nd 24cm.find its area nd side gve me ful sltn nd ans. Is 216cmsq. Nd 15cm

asked by Simran kaur on September 15, 2012
89. ## Science

I've got homework and i need to find out how fuses work please can some body help before monday? It's explained here: http://auto.howstuffworks.com/wfc2.htm Thanks i needed that help

asked by Mary on April 26, 2007
90. ## chemistry)):

OMG! I'M SO CONFUSED! Like okay, the question is to write the formulae for the two acids formed when Chlorine is dissolved in water and I like really can't find anything BUT hypochlorous acid but that's just ONE!)):

asked by tonya((: on June 17, 2011
91. ## PreCal

a circular arch of length 3ft subtends a central angle of 25 degrees. Find the Radius of the circle I got 6.875 but i think that is wrong

asked by Kelly on February 8, 2018
92. ## physics

Taking R = 1.00 k Ω and ∑ 250 V in Figure P28.25, determine the direction and magnitude of the current in the horizontal wire between a and e. google this to find picture

asked by bel on February 23, 2012
93. ## Calculus

I'm supposed to find the limit as x approaches infinity of (2-x-sinx)/(x+cosx). I've thought about using the squeeze theorem, but I'm not sure it applies here. Can someone point me in the right direction? Thanks.

asked by Will on September 14, 2012
94. ## math

Question: Find the given percent or fraction of the number. 14. 30% of 256 15. 25% of 2,048 16. 2/3 of 24 17. 5/6 of 90 How do i figure those out? I don't whant the answer I wanna know how to sovle them.

asked by brittany on January 15, 2008
95. ## PHYSICS

A car of mass 1000kg travelling @72km/hr is brought to rest in a distance of40m find average stoping for nd time taken

96. ## Algebra

1. Tell whether x and y show direct variation. a. 5x - 3y = 0 b. x = y - 2 / 9 2. The variables x and y vary directly. Use the values to find the constant of proportionality and write an equation that relates x and y. a. y = 4; x = 6 b. y = 2; x = 10

asked by Dean on May 6, 2015
97. ## Math

find the x-intercepts by factoring g(x)=x^4-27x I'm really confused. All I can think is to factor out one x, but that only makes the x-intercept 0 and the answer is supposed to be 0 and 3. I don't understand what I'm doing wrong.

asked by Sami on October 3, 2009
98. ## Chemistry

Consider the titration of 25.00 mL of 0.08364 M pyridine (see structure below) with 0.1067 M HCl. Find the pH at the following acid volumes (Va): 4.63 mL, Ve, and 25.0 mL. pKa = 11.3 I got 11.81, 6.63, and 1.74 respectively. Yet, the last two are incorrect

asked by Angelyka on March 4, 2013
99. ## discrete distribution

Find the mean and the standard deviation of the number of hours parked. (Round your intermediate values and final answers to 3 decimal places.)

asked by Anonymous on September 28, 2014