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

97,722 questions, page 470
1. ## Precalculus

A wheel with diameter 8ft rotates at 90 rpm.Find the linear velocity in feet per minute at a point on the rim. My answer: 720 pi ft/min

asked by Anonymous on January 20, 2014
2. ## english 3

hi how do i like compare and contrast these two realist stories a good man is hard to find by flannery O'Connor and a pair of silk stockings by Kate Chopin

asked by sara on April 19, 2010
3. ## applied mechanics

How do we calculate the "radius of gyration" of a 500g steel rod spinning at 300 RPM and having a lenght of 30cm? We need this to find the moment of Inertia... don't we?

asked by Henri on May 7, 2009
4. ## MATH

Find the total surface area of a hexagonal prism 6ft tall with a regular base measuring 9ft on each and an apothem of length 7.8ft

asked by Alno on July 3, 2016
5. ## MATH

Please help me to find the least common multiple of 24 and 48. 1st go to this site: http://www.aaamath.com/fra66i-lcm.html Then give it a whirl and post what you think the answer is and we'll see if you need further help.

asked by carmen on April 29, 2007
6. ## Math

Find the total amount in the compound intrest account. \$4000 is compounded annually at a rate of 11% for 3 years. (Round the nearest hundredths as needed)

asked by christopher on April 17, 2010
7. ## Physics

Find the work done by a white collar criminal as he pulls his 34 kg bag of booty 2.7m forward at an angle of 61 degrees with the floor. The man is pulling with a force of 19.4 N.

asked by Anonymous on September 2, 2017
8. ## algebra

You deposit \$500 in an account that pays 3% annual interest. Find the balance after 2 years if the interst is compounded with the given frequency. a) annually b) quarterly c) daily

asked by Kayla on March 8, 2010
9. ## math

A car with a sticker price of \$42,850 with factory and dealer rebates of \$5,100 Find the monthly payment if financed at 2.5% add-on interest for 60 months.

asked by Anonymous on November 21, 2013
10. ## algebra 2

what is a good website that i could find reliable information about the polish mathematician Sierpenski: when he lived, what some of his mathematical work involved, and his connection to pascal's triangle ?

asked by SoccerStar on October 3, 2012
11. ## Math

Find all the zeroes of the polynomial function f(x) = x^3-5x^2 +6x-30. If you use synthetic division, show all three lines of numbers. plss help I asked my friends but they don't know either homework question

asked by katt on December 11, 2017

A reaction at 3.24 atm consumes 5.10 L of a gas adiabatically (q = 0). Calculate the change in internal energy of the system (in kJ). I know that I have to use w=-p deltaV but how do i find the Final and Initial volumes?

asked by JUNDY on March 31, 2015
13. ## physics

The football is kicked over the goalpost with an initial velocity of vA=32 m/s as shown. Determine the point B (x,y) where it strikes the bleachers. type this question to google to find the figure. please and thank you.

asked by . on April 4, 2011
14. ## Calculus

A metal cylindrical container with an open top is to hold 1 cubic foot. If there is no waste in construction, find the dimensions which will require the least amount of material.

asked by Elizabeth on October 13, 2012
15. ## math

you want to find how many people in ur community are vegetarian. wherewould be the best plac eto take a survey? a a health food store b a steak house c a shopping mall

asked by pari on September 13, 2008
16. ## Math

the drawing is composed of rectangle and a semicircle . Find the area of the figure to the nearest unit the left side is 22 the top is 10 A.41 B.220 C.410 D.820 thanks for ur help! :)

asked by Playtime on March 31, 2019
17. ## Algebra II

A projectile is launched at an angle of 55.6 degrees to the horizontal and follows a straight path with a speed of 7550 m/min. Find the vertical and horizontale components of this velocity.

asked by Arielle on November 2, 2011
18. ## College math

Find the volume of rectangle pet carrier whose dimensions are 18.20 in wide, 14.00 in long, and 18.80 in high Report your answer to the nearest hundredth of cubic inch.

asked by Lourane on June 1, 2012
19. ## physics, english, chemistry, maths

A girl whose mass 404g walk up a flight of 20steps each 150mm height in 10s find the average power developed Hint g = 10m/S

asked by ellah on April 20, 2016
20. ## Math (Discrete Math)

Having trouble with this question on my assignment. I got the rest answered. Assume a domain A = {x ∈ ℝ | x ≥ 2} for the function f(x) = x2 − 4x + 2. Find the value of the inverse f -1(x) at x = 5. Provide 4 decimal places. I'm getting 5.0000 but

asked by First Time Here :) on September 25, 2015
21. ## electronics

Two identical small charged spheres, each having a mass of 3.00*10^-2 kg hang in equilibrium . The length L of each string is 0.150m, and the angle between them is 5. Find the magnitude of the charge on each sphere

asked by katlego on April 10, 2014
22. ## Calculus

The volume V of a growing spherical cell is V =4/3πr^3, where the radius is measured in micrometers (1 µm = 10^−6m). Find the average rate of change of V with respect to r when r changes from 3 to each of the following. i)3 to 6µm ii)3 to 4µm

asked by Joey on October 31, 2015
23. ## cjs240

Will someone please help me find a website to complete this assignment? Write a 200- to 300-word response in which you explain the court process as it relates to juvenile offenders.

24. ## trig

find, to the nearest tenth of an inch, the length of the arc intercepted by a central angle of (4pi)/3 radians if a radius of the circle is 22 inches long

asked by Scott on April 24, 2011
25. ## Maths

An industrial fertilizer costing \$370 per tonne to produce is sold retail 61 cents per kilogram.If there is a wastage of 2.5%,find the profit as a percentage of the cost?

asked by Sara on June 29, 2016
26. ## electronics

Find the value of the remaining components of a common emmitter single stage amplifier circuit given Ic=3mA, Tr=ZTx300, hfe=80, F=40Hz, Ve=2.5 show workings A

asked by kaycee on March 20, 2016
27. ## Math

It says here Write as a single power, then evaluate. Express answers in rational form. ⁴√18× ⁴√9 ÷ ⁴√2 18^(1÷4)× 9^(1÷4) ÷2^(1÷4) My problem here is I couldn't find a way to get all the numbers to have the same base so I could continue

asked by Fayza on February 4, 2015
28. ## Calculuc

How do you set up this problem? The decay constant for the radioactive element cesium 137 is .023 when time is measured in years. Find its half-life.

asked by Jillian on August 22, 2012
29. ## Math

please help please show work so i can do others ok so i have to find the equation of the linethat contains given point and is parallel to the given line then write a slope intercept form if possible (8,-4) y=-1/2x+11 I also have to do the same for this

asked by chchch on July 7, 2012
30. ## Discrete Math

Having trouble with this question on my assignment. I got the rest answered. Assume a domain A = {x ∈ ℝ | x ≥ 2} for the function f(x) = x^2 − 4x + 2 . Find the value of the inverse f^-1(x) at x = 5. Provide 4 decimal places. I'm getting 5.0000 but

asked by First Time Here :) on September 25, 2015
31. ## physics

an arrow is shot into the air with an initial velocity of 100m is at elevation of 60 degree find. a the time of flight b the maximum height attained c the range

asked by Anonymous on February 28, 2015
32. ## math

I need the answers really quick before my time is out HELP PLZZ 3. determine which ordered pair is a solution of y = 2x – 3? A.(-2,7) B.(0,3) c.(-4,-11) d.(5,-7) 4.on which of the following lines does (7,1) lie? A. y-5x=4 b. y=x-10 c. y=-4x+3 D. y=-x=8

asked by IhateMath on April 16, 2015
33. ## trig

in a circle of radius 26, find the length of the arc spanned by a central angle of pi/4 radians. round your answer to 2 decimal places. use 3.1416 as an approx for pi.

asked by tiana on October 5, 2011
34. ## Physics

A .5 kg block is sliding along a tabletop with an initial velocity of .20 m/s. It slides to rest in a distance of .7m. Find the frictional force regarding it motion. The answer given is .0143 N but I do not understand how to get that.

asked by Brooke on November 17, 2011
35. ## Physics

Two 200kg masses (400lb)are separated by a distance of 0.75m Using Newtons law of gravitation,find the magnitude of gravitational force exerted by one mass on the other.

asked by KerryAnn on October 1, 2018
36. ## ALGebra

We define n♡ recursively as follows. 1♡=1; n♡=((n−1)♡)⋅n+1 Find the largest n

37. ## art

Ancient native Americans chose willow strips to make baskets because there were easy to bend and to. A. to find B. waterproof C. multi colored D. rare

asked by jake on January 23, 2015
38. ## physics

Find the tangential acceleration of a freely swinging pendulum when it makes an angle θ with the vertical. (Use theta for θ and g as necessary.) i tried 2.56 as an answer and it was wrong, so im guessing im suppose to use symbols?

39. ## calculus

assume that is the rate of change of the unit price of a commodity is proportional to the diference between the demand and the supply, so that dp/dt=k (D-S) where k is a constant of proportionalily. suppose that D=40-2p, S=5+3p, and P(0)=4. find a formula

asked by Anonymous on April 10, 2012
40. ## Math

The following rational function describes blood concentration of a certain drug taken via IV over time, find a. the horizontal or oblique asymptotes b. the vertical asymptote c. describe their possible meanings f(x)= x+1/x

asked by Jay on November 7, 2015
41. ## environmental science

You may never live in a big city, but we must all find ways to lower our environmental impact. What can the average citizen do with a minimum of cost and inconvienence to become more environmentally friendly?

asked by amanda on February 24, 2010
42. ## Supply and Demand

50) the monthly demand and supply functions for the Luminar desk lamp are given by p=d(x)= -1.1x^2 + 1.5x + 40 p= s(x)= 0.1x^2 + 0.5x + 15 respectively, where p is measured in dollars and x in units of a thousand. Find the equilibrium quantity and price.

asked by Steff on June 6, 2011
43. ## Environmental Science

4. You may never live in a big city, but we must all find ways to lower our environmental impact. What can the average citizen do with a minimum of cost and inconvienence to become more environmentally friendly?

asked by lisa on February 24, 2010
44. ## Physics

How do we calculate the "radius of gyration" of a 500g steel rod spinning at 300 RPM and having a lenght of 30cm? We need this to find the moment of Inertia... don't we?

asked by Henri on May 6, 2009
45. ## Physics

A 0.2 kg object that stretches a spring 6.5 cm from its natural length when hanging at rest oscillates with an amplitude of 1.5 cm. The acceleration of gravity is 9.81 m/s2. Find the total energy of the system.

asked by Mark on November 21, 2010
46. ## Chemistry

calculate the concentration of sodium benzoate that must be present in a 2.0M solution of benzoic acid (C6H5COOH) to produce a pH of 4.00. THIS IS THE ONLY INFORMATION GIVEN. I CANNOT FIND Kb ANY WHERE IN MY TEXT NOR DOES IT GIVE US A VOLUME. CAN ANYONE

asked by Lucinda on May 27, 2010
47. ## math

julie travels 6 times faster then mill. Traveling in opposite directions, they are 714 miles apart afte 6 hours. Find the rate of travel

asked by Jamie on March 5, 2011
48. ## Geometry

I only have one question # 1 find to the nearest meter the height of a church spire that casts a shadow of 50 meters when the angle of elevation of the sun measures 68 degrees.

asked by Anonymous on October 29, 2013
49. ## Trigonemtry

The sun is 25° above the horizon. Find the length of a shadow cast by a building that is 100 feet tall (see figure). (Round your answer to two decimal places.)

asked by Lou on March 28, 2016
50. ## Physics

A linear spring of stiffness k is designed to stop the 20-Mg railroad car traveling at 8 km/h within 400mm after impact. Find the smallest value of k that will produce the desired result.

asked by Ivan on March 17, 2014
51. ## Math

A taxi cab is purchased for \$30,000. At the end of 10 years, it is sold for scrap for \$2000. Find the depreciation equation in slope-intercept form/

asked by T on December 19, 2018
52. ## Eng

In which of the following sentences doe you find a verb phrase? A. I shall be all that I am and more B. June was a collector of memorabilia C. I believed every word he said. D. The crowed roared as the bull charged. Answer is "A"

asked by Jen on June 8, 2013
53. ## english - help

My subject is "the rising cost of food and gasoline in the United states" direct to some sources in order to be able to find some informations for the two questions below. When will it end? How soon will the relief come?

asked by rose -psydag on June 8, 2008
54. ## Physicd

A body of mass 2kg initially moving with 10m/s and a force is applied 10 N at an angle 53 degrees with the normal then find velocity and acceleration after 5 seconds

asked by Sanobar on March 27, 2017
55. ## english

how would i compare and contrast these two realist stories a good man is hard to find by flannery o' Connor and a pair of silk stockings by kate chopin

asked by sara on April 17, 2010
56. ## Physics

A force of 10N applied normal to the wall can just prevent the sliding of a wooden block. If co-efficient of static friction is 0.2.Find the weight of the body.

asked by avi on August 7, 2011
57. ## math

sofia deposits birr 3500 in a bank account paying an annual interest rate of 6%. find the amount she has at the end of the fourth year?

asked by ashenafi on December 19, 2018
58. ## Physics

I have to find the Current created by earth as it circles the sun.through the formula I=(Q/delta t). Hint:It says think of the cross section of the earths orbit.How often does a charge pass through it.

asked by Jim on March 10, 2008
59. ## trig

find, to the nearest tenth of a meter, the length of the arc intercepted by a central angle of 160 degrees if a radius of the circle in 8 meters long

asked by Scott on April 24, 2011
60. ## physics

The forces in the figure below are acting on a 2.1 kg object. Find the values of ax and ay, the x and y components of the acceleration. i.imgur. com/nNz9m. png this is one of the last problems on my homework that i just do not understand.. can someone

asked by kev on September 28, 2012
61. ## physical education

I'm doing a gym project on some terms. I need to find pictures for each term. What would be a good picture to represent the words, target zone and resting heart rate?

asked by brielle on January 29, 2012
62. ## accounting

After filling out a perpetual inventory card using fifo i need to find out how to prepare a journal entry to record a sale of 60 units sold assuming i got 5.00 each for them? Confused

asked by JW on November 14, 2011
63. ## geometry

If the width and height of a rectangular prism are each shrunk to one seventh of the original size but the length remains the same, what is the formula to find the modified surface area?

asked by khun on March 17, 2014
64. ## Algebra

We define n♡ recursively as follows. 1♡=1; n♡=((n−1)♡)⋅n+1 Find the largest n

asked by Stranger on March 18, 2013
65. ## math

The length of a room is double its breath. Its height is 5m the area of four walls ( including the door and windows) is 210sq m. Find its volume solve this sum

asked by maths on November 21, 2017

We're learning arithmetic sequences-please check this for me-it's my first day calcuulating htese and I'm not sure If t(1) = 5 and t(n) = t(n-1) + 2, find the first 4 terms of the sequence I think it would be 5,7,9,11 because the difference is 2 so I just

asked by Jodie- on May 2, 2011
67. ## physics (check my work pleas)

A 5.00kg ball is swung at the end of a 1.25 m chain with a w of 2.0s^-1. Find the balls a)V (m/s) b) KE 1/2mv^2 c) I, inertia d) Ke with I e) Fc--> centripetal force Work a) v=rw v= (1.25m)(2.0s^-1) v= 2.5 m/s b) 1/2 mv^2 (.5)(5)(2.5)^2 c) I=mr^2 =

asked by susane on December 11, 2006
68. ## history

i found most of the info. on foot binding but still am unsure about a couple. was this mainly practiced in the sung dynast in the north???? Also i could not find what particular group of people engaged in this practice??

asked by abby on September 17, 2008
69. ## physics

A stone is rotated steadily in a horizantal circle with a period T by a string of length L. If the tension in the stringis constant and L increases by 1% find the percentage change in T.

asked by Dean on October 16, 2008
70. ## guilan

1-Use Taylor series expansion (degree 0 to 6) about x’=pi/4 to find an approximation for f(x) = cosx at point x=pi/3 and then compare the result with the exact data.(show the results in a table).

asked by payam on March 22, 2013
71. ## stats

We are interested in customer satisfaction ratings for a particular video game. In a group of 65 customers, we nd a sample mean of 42.95 and the standard deviation is 2.64. Find a 95% Con dence interval for u.

asked by michelle on July 31, 2011

what are some ways to to change hositals from ineffiecient public bureaucrcies to a customer focused? i searched for info from the internet but i couldn't find any, and i need help ASAP please!!!!! HELP MEEE!!!thank you

asked by sameul on September 28, 2009
73. ## Maths

Find the amount of sheet metal needed to form a conical funnel of base radius 30 cm and vertical height 50 cm, allowing for a 0.5 cm overlap at the join.

asked by Jasmine on April 4, 2017
74. ## socials

problems associated with China (legislation-laws) i only find one problem that be that all people not have same access to resources. basic schooling for some/education difference. the only success i think is that there be different lifestyles.

75. ## English grammer

Use the conjunctions as,for,since,while in the sentence 1.the sun was very hot.it was still summer. 2.she can find the way.she is so clever. 3.he began to get frightened.it was getting dark 4.mona read a book.the baby slept.

asked by Anonymous on March 6, 2018

Enzymes that drive metabolism and antibodies of the immune system are both forms of A. minerals. C. lipids. B. proteins. D. carbohydrates. (C) I can't find the answer in my book, would you plz help me?

asked by MaKalya on March 25, 2009
77. ## Math

A right circular cylinder is to be designed to hold 750 cm3 of processed milk, and to use a minimal amount of material in its construction. Find the dimensions for the container.

asked by Mary on July 31, 2011
78. ## pre calc

Find an equation of the cubic polynomial f(x) = ax3 + bx2 + cx + d that passes through the given points. P(0,-4) Q(1,-8) R(-1,-8) S(2,-2) Ive tried this every which way and i cant seem to get any of these..i know your supposed to plug it in and all but its

asked by gabs on June 7, 2011
79. ## English

I really needed help to find an academic journal (not website) based on Marxist theory specifically something talking about money. I looked through tremendous amounts of pdf's so I really need help now.

asked by S.S on January 20, 2018
80. ## Pre Algebra

asked by Lily on May 20, 2008
81. ## Physics

A solenoid 1metre long and radious 4cm has 1000 turns and is carrying 1Ampere current.find the magnetic flux density at the centre.

asked by AB on May 19, 2018
82. ## math

Henry wishes to accumulate \$4,500 in 2 years for a long vacation. Find the sinking fund payment he would need to make each month, at 6% compounded monthly

asked by dreamkatcher76 on December 4, 2013
83. ## algebra

A home's backyard drops 9 ft over a horizontal distance of 124 feet. Find the slope of this back yard. Round your answer to two demical places

asked by lori on June 3, 2011
84. ## calculus

Find the value of \$800 deposited in a bank at 10% interest for 8 years compounded in the following ways. (Round your answers to the nearest cent.) (a) annually_________\$ (b) quarterly_________\$ (c) continuously________\$

asked by aj on March 7, 2018
85. ## Math

Find the coordinatesof the point on the curve xy=10 in the first quadrant such that the normal line passes through the orgin. My work: Okay i believe this is an inverse variation. Therefore, y=10/x? Origin is @ (0,0) and i'm stuck to move on...

asked by David on October 6, 2014
86. ## Physics

A robot probe drops a camera off the rim of a 429 m high cliff on Mars, where the free-fall acceleration is 3.7 m/s2. What equation will be appropriate to find velocity?

asked by Elizabeth on September 28, 2014
87. ## Chemistry

Use standard enthalpies of formation to determine ΔHorxnfor: 3NO2(g) + H2O(l) → 2HNO3(aq) + NO(g) -133.5 = Delta H Find the change in internal energy for this reactioion.. ???? In KJ

asked by Steve on February 27, 2014
88. ## E.M.U

For the same solution components as in part (f), buffers are prepared with a total concentration of NH3 + NH4Cl = 0.10 M. The pH values are 8.0, 8.5, 9.0, 9.5, 10.0, 10.5, and 11.0. Find the molar solubility of CdS in these solutions

asked by k.sina on March 26, 2014
89. ## calculus - functions!

I was assigned this problem and I'm coming up against a brick wall. Here it is: Given that f(x) = 2x+1 and h(x) = 2x^2+4x+1, find a function g such that f(g(x)) = h(x) I tried to factor 2x^2+4x+1 but ended up with something that didn't work. Am I missing

asked by Alyn on February 9, 2009
90. ## English

Dear Ms.Sue, thank you for your answer. Will you please help me with one more question? Do you think it's possible to use such phrases as "for a long time / for a month" in the mid-position, for example: "They have been trying for a week to find a solution

asked by Ilma on May 30, 2016
91. ## College Algebra

Let f(x) = . Find a formula for a function g whose graph is obtained from f by the given sequence of transformations. (1) shift left 3 units (2) vertical stretch by a factor of 2 (3) reflect across the x-axis

asked by Tiffany on April 10, 2017
92. ## Math

Four candidates running for mayor receive votes as follows: Ito: 16,032; Johnson: 36,072; Kennedy: 8,016; Lieberman: 12,024 How do I find the majority, if there is one? Thanks?

asked by Kelly on April 3, 2017
93. ## Music

Is a short coda sometimes known as a musical tag? I been searching the web but couldn't find any good information. http://www.essentialsofmusic.com/glossary/t.html

asked by Susan on December 3, 2006
94. ## Geometry

I only have one question # 1 find to the nearest meter the height of a church spire that casts a shadow of 50 meters when the angle of elevation of the sun measures 68 degrees.

asked by Anonymous on October 29, 2013
95. ## Calculus II

Assume that the rate of change of the unit price of a commodity is propirtional to the difference between the demand and the supply, so that dp/dt = k(D-S) where k is a constant of proportionality. Suppose that D = 72-5p, S = 9 + 2P, and p(0) = 2. Find a

asked by Catherine on October 6, 2017
96. ## precalculus

can you check my work? Find a polar equation of a hyperbola with its focus at the pole, an eccentricity of e=5/4 and directrix at y=2. answer: r=ek/1+esintheta r=(5/4*2)/1+5/4sin theta r=5/2(1+(5sintheta)/4)

asked by Anonymous on December 13, 2016
97. ## History

Hi I'm evaluationg sources and I need help finding out more informatoin on Z.A.B Zeman. IN the book, he said something about being a marxist/socialist/communist but i'm not sure what and its kinda urgent that I find out... I've been working real hard.

asked by Maria on May 14, 2011
98. ## Dynamics

A linear spring of stiffness k is designed to stop the 20-Mg railroad car traveling at 8 km/h within 400mm after impact. Find the smallest value of k that will produce the desired result.

asked by Ivan on March 17, 2014
99. ## Math

Find total amount in the compound intrest account. \$2000 is compounded quarterly at a rate of 8% for 6 years. (Round to nearest Hundereths as needed)

asked by christopher on April 17, 2010
100. ## math

The length of a room is double its breath. Its height is 5m the area of four walls ( including the door and windows) is 210sq m. Find its volume solve this sum

asked by Manjot on November 21, 2017