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

97,722 questions, page 555
1. ## maths --plse help me..

two solids of right cylendrical shape are 49 cm and 35 cm high and thier base diameters are 16 cm,14 cm respectively.Both are melted and moulded into a single cylinder,56cmhigh find its base diameter

asked by sarika on December 19, 2012
2. ## physics

A 15kg wedding cake is allowed to slide freely down a smooth 30degree inclined. Find the resultant force down the inclined and the acceleration of the object.

asked by Fate on May 14, 2011
3. ## Trig

Find all angles θ between 0° and 180° satisfying the given equation. (Enter your answers as a comma-separated list. Round your answers to one decimal place.) Sin θ = 1/4

asked by Amanda on November 9, 2015
4. ## college algebra

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

asked by charisse on July 7, 2013
5. ## URGENTANIUS!!

If the given point is on the terminal arm of an angle A in stadard position. 0 degrees more than or equal too A and less than or equal too 180 degree, find sin A and cos A: a) (6,8) b) (-5,12) Can you tell me how you get it because I do not understand it

If the given point is on the terminal arm of an angle A in stadard position. 0 degrees more than or equal too A and less than or equal too 180 degree, find sin A and cos A: a) (6,8) b) (-5,12) Can you tell me how you get it because I do not understand it

asked by Priya on December 18, 2012
7. ## statistics

Consider a binomial experiment with 20 trials and probability 0.45 on a single trial. Use the normal distribution to find the probability of exactly 10 successes. Round your answer to the thousandths place.

asked by coya on May 17, 2011
8. ## honors geometry

Find the area of the shaded region. diagram is a rectangle with 10 height and 17 base. there is a triangle inscribed that is not shaded. its a little confusing and im supposed to assume 30-60 -90 triangles??

asked by kourtney on May 12, 2011
9. ## math

A room measure 12fy by 15ft find the scale that would allow the room to be showed large as possible on a piece of paper 7in by 8in explain your reasoning

asked by Sammy on January 27, 2015
10. ## Math

An airplane flies 2,750 miles in 5 hours. Find the unit rate in miles per second. Round the answer to the nearest hundredth. I appreciate the help very much. I got .132 but I think I'm wrong.

asked by Trinity on November 11, 2015
11. ## Math

Ann is x years old and her sister is 2 years older. If the product of their ages 80. Form an equation in x and solve to find the age of each. ______________________________________ I got up to, x + 2x = 80 x + 2x - 80 = 0 and now im confused... this is for

asked by Luna on March 26, 2016
12. ## math

Find the exact value of the volume of a can of green beans with a diameter 8 centimeters and height of 12 centimeters. Include correct units with your solution. Use "pi" in place of the pi symbol.

asked by kozy on May 8, 2011
13. ## Math

Find an equation of the parabola with vertex at the origin that passes through the point (-36, 2) and opens to the left. I believe you start with (x-h)^2 = 4p(y-k) and plug in the given point and (0,0), and solve for p. I got y^2 = 144x. Is this correct?

asked by Momo on January 2, 2009
14. ## physics

A worker stands still on a roof sloped at an angle of 43° above the horizontal. He is prevented from slipping by a static frictional force of 520 N. Find the mass of the worker.

asked by Tyler on January 11, 2017
15. ## math

the mean on the SAT verbal test is 505 with a standard deviation of 111. Assume the variable is normally distributed. Find the probability that the test scores are less than 600

asked by blaire on November 12, 2015
16. ## Math

A photographer changers a sitting fee of \$15for each pose writte a function to describe the situation find a reasonable domain and range for up to 5 pose

asked by ABI on November 2, 2017
17. ## Chemistry (Gas Laws) I REALLY NEED HELP

A 27.8 liter container is initially evacuated, and then 8.8 grams of water is placed in it. After a time, all the water evaporates, and the temperature is 130.8 degrees C. Find the final pressure.

asked by Christina on May 10, 2011
18. ## Math

Find the value of the sine of the smallest angle in standard position with the point (-12, 5) on its terminal side. Give as four decimals. a. 0.3846 b. -0.4167 c. 0.4167 d. 2.6000

asked by Debra on December 8, 2015
19. ## Physics

A 20kg mass is to be pulled up a slope inclined at 30 degree to the horizontal.If the efficiency of the plane is 75% find the force required to pull the load up the plane.

asked by Anny on January 19, 2012
20. ## Physics

A 20kg mass is to be pulled up a slope inclined at 30 degree to the horizontal.If the efficiency of the plane is 75% find the force required to pull the load up the plane.

asked by Anny on January 19, 2012
21. ## Calculus AB

Find a, b, c, and d such that the cubic function ax^3 + bx^2 + cx + d satisfies the given conditions Relative maximum: (2,4) Relative minimum: (4,2) Inflection point: (3,3) So this is what I have so far: f'(x) = 3a^2 + 2bx + c f''(x) = 6ax + 2b f(2) = a(8)

asked by Savannah on November 18, 2011
22. ## statistics

the mean of sat scores of a specific month is1000 with a standard deviation of 100. find the 90 percentiles . assume that the sat score is normal distributed

asked by Alex on June 18, 2013
23. ## Chemistry

What method would you use to find the number of moles and mass in grams for each situation listed: a. 750 cm3 O2 at 27°C and 99.0 kPa b. 300 cm3 CO2 at -10.0°C and 103kPa

asked by Sherika on January 24, 2012
24. ## Physics

A machine with v.r of 5 requires 1000No of work to raise a load of 500N through a vertical distance of 1.5. ( a ) find the efficiency of the machine. (B) calculate it's mechanical advantage

asked by Reagan on April 17, 2019
25. ## math Did I do it right?

Use front-end estimation to find the value of the expression. I do not understand (without adjustment) 687 - 239 (without adjustment) is this right? 600 + 200= 800 + 126=926

asked by Bart on April 17, 2010

In reading we have to draw a picture about how dog sleds are loaded. We just finished reading The Call of the Wild by Jack London so this is one of our many assignments and I can't find anything about this on th internet. Thanks so much for any help!

asked by lellie on February 9, 2008
27. ## Maths

Find the total amount required to pay off a loan of 16000 plus interest at the end of 8 years if the interest is compounded half-yearly and the rate is 14% p.a.

asked by Shane on June 18, 2013
28. ## math

Hi i have a math exam tomorrow and i wanted to get some extra practice so can you please find me free online math tests. Please do not give me "Proprofs" as one of the websites. I have already tried their website and it did not help :D

asked by clueless on January 27, 2010
29. ## physics

The threshold wavelength for photoelectric emission in metal is 600 nm.Find the maximum kinetic energy of the electrons emitted when it is exposed to the wavelength 200 nm

asked by Anonymous on March 13, 2016
30. ## Calculus

I have tried calc-chat's method and I always get the answer 12 units but the answer should be 69 according to my key! What do I need to do to get there?? "Use the limit process to find the area of the region between f (x)=10x+8 and the x-axis on the

asked by Christiana on May 24, 2011
31. ## Chemistry

A Sample Of Gas With A Volume Of 825mL Is Measured At 25.0 Degrees Celcius. Find The New Temperature When The Volume Is 135mL. What Is The Mass Of 41.98L Of Ammonia At STP?

asked by Anonymous on May 23, 2011
32. ## Geometry

Find the area of a regular pentagon with a side of 6ft. Give the answer to the nearest tenth. 123.9ft2 49.5ft2 61.9ft2 12.4ft2

asked by Ash on January 23, 2012
33. ## English

Discuss any areas related to citing sources that you find confusing or difficult understand or apply. In your responses to others offer suggestions to help understand the issue.

asked by Jasmine on May 18, 2011
34. ## Math

Find the missing dimensions for each three-dimensional figure to the nearest tenth given the volume and other dimensions. I'm not understanding the cones too much. r=5in., v = 487in.3 How do I work it, given only the radius

asked by Nia on March 23, 2011
35. ## math

a rectangular plate 120 ft long and 80 ft wide is submerged vertically with the longer edge in the surface of the water find the force on one side of the plate

asked by dave on May 16, 2017
36. ## mechanics

a rectangular plate 120 ft long and 80 ft wide is submerged vertically with the longer edge in the surface of the water find the force on one side of the plate

asked by dave on May 16, 2017
37. ## Geometry

I am studying for exams and need help with one of my review problems. A paraellogram has sides of lenghts 12 cm and 20 cm. If the area of the paraellogram is 600 sq cm then find the length of the shorter height of the parallelogram.

asked by Mary on May 22, 2011
38. ## math12A TRIG pleas help

a farmer wishes to fence a field in the form of a right triangle.If one angle of the right triangle is 43.2 degree and the hypotenuse is 200yard,find the amount of fencing needed.

asked by Anonymous on February 20, 2014
39. ## math

a farmer wishes to fence a field in the form of a right triangle.If one angle of the right triangle is 43.2 degree,and the hypotenuse is 200yard,find the amount of fencing neede.

asked by rhodora on February 20, 2014
40. ## Science

A body travells along the circular path of radius 70m after travelling half a revolution in 20sec find avrage velocity and avrage speed

asked by Om varshney on June 12, 2017
41. ## statistics

collect the annual sales of a super market for 10 years and fit a straight line trend to the data collected and find the trend values

asked by sireesha on June 2, 2011
42. ## phyics

Find the horizontal range of a baseball that leaves the bat at an angle of 63 degrees, with the horizontal with an initial velocity of 160 km/hr. discard air resistance

asked by Brittany on December 14, 2011
43. ## Algebra

Temperature AF 40 1000 60 1840 70 2260 85 2890 Find a linear model for the number of acre-feet of water that evaporate as function of temperature. E(T)=

asked by Patricia on October 28, 2014
44. ## trigonometry

im really stuck on these, can anyone help me and also explain how to solve them: Find the exact values of s in the given intervals that have the given circular function values. 1. [pi/2, pi]; sin s=sqrt2/2 2. [pi/2, pi]; cos s=-sqrt3/2 thnks:)

asked by y912f on January 15, 2009
45. ## math 115

Let x be a continuous random variable that follows a normal distribution with a mean of 200 and a standard deviation 25. Find the value of x so that the area under the normal curve between ì and x is approximately 0.4798 and the value of x is greater than

asked by louise on November 19, 2013
46. ## Resources and references

Your composing a report. You realize using the word "option" over and over again. Which of the following references will help you find a different word with the some meaning? A: A spell Checkers B: A thesaurus C: AP style book D: Encyclopedia

asked by Sofiya on June 26, 2013
47. ## pre-calculus

A plane flies due west at 250 km/hour while the wind blows south at 70 km/hour. Find the planes resultant velocity and direction.

asked by Zene on April 12, 2011
48. ## geometry

An A-frame house is 45 feet high and 32 feet wide. Find the measure of the angle that the roof makes with the floor. Round to the nearest degree.

asked by Roslyn on April 8, 2010
49. ## UM

A car is traveling at 20 meters per hour on the level road where the coefficient of kinetic friction between tires and road is 0.8.Find the minimum turning radius.

asked by almamie Villegas on November 16, 2015
50. ## algebra

tana rode a boat 1 km upstream in and hour. rowing at the same rate, she made the return trip downstream in 15 minutes. find the rate of the current

asked by lee on April 29, 2011
51. ## Trigonometry

a line which passes through the origin contains point A (-0.714, 0.700) . find the gradient of the line and the angle formed with respect to the positive x-axis in Degrees

asked by D on March 30, 2016
52. ## calculus

Is it possible to find an example of a bounded region in the x, y plane that satisfies the following condition : when you revolve the region about the x axis you obtain a solid that has a volume equals its surface area

asked by Sara on April 15, 2011
53. ## calculus

Is it possible to find an example of a bounded region in the x, y plane that satisfies the following condition : when you revolve the region about the x axis you obtain a solid that has a volume equals its surface area

asked by Sara on April 15, 2011
54. ## Math

Find the area and circumference of the circle (6 m). Use 3.14 for pi. Show your work, round your final answer to the nearest tenth, and label your answer with the correct units for each.

asked by Evelyn on March 25, 2019
55. ## English

I have to debate on legal prostitution. My view point is against legalizating prostitution... Can you help me find clean sites/info? I need to have logical, emotional, and ethical appeals...

asked by Amber on January 15, 2010
56. ## math

The radius of a cylinder is 3.5 ft. The height is 14 ft. Find the surface area and volume of the cylinder to the nearest tenth of a foot. Show your work. please help me i need to get this grade up by friday

asked by Hayden on March 20, 2019
57. ## physics

How much heat in KJ is needed to change 3.0 kg of ice at -10C into (superheated) steam at +150C ? Do I need to find specific heat? (3.0kg)(2100)(150-10)= 882kj right?

asked by DMITRIC on April 22, 2011
58. ## physics

A 69 kg person on skis is going down a hill sloped at 36° below the horizontal (+x direction). The coefficient of friction between the skis and the snow is 0.15. Find the x and y components of the weight of the skier going downhill.

asked by mark on December 11, 2011
59. ## s.e.international

a ball of mass 200gm travelling at 20m/s is hit back with a velocity of 30 m/s .if the force lasts for 0.1sec ,find force and change in momentum

asked by dhwanil on April 5, 2016
60. ## trig

The lengths of 2 adjacent sides of a parallelogram are 42 cm and 36cm. an angle of the parallelogram is 4o degrees. Find the measure of the longest diagonal to the nearest tenth of a centimeter.

asked by ashley -- on April 26, 2011
61. ## math

A student starts from A and walks 3km east to B, she then walk 5km on a bearing 152 degree from 13 . She reaches a point c . Find the distance and bearing of C from A.

asked by joy on May 25, 2017
62. ## compound interest

you invest \$750 in a account thatg rearns 4.5%, compounded annually. Find the balance of the account after 2 years.Round your answer to the nearest cent.

asked by Ja'tra on February 28, 2013
63. ## Physics

Two carts with masses of 4.3 kg and 3.9 kg move toward each other on a frictionless track with speeds of 5.6 m/s and 5.0 m/s, respec- tively. The carts stick together after colliding head-on. Find their final speed.

asked by Chris on January 26, 2015
64. ## Algebra

Find the equation of the line, in slope-intercept form, that satisfies the given conditions. The graph is perpendicular to the graph of y=3x-1 and passes through the points whose coordinates are (4,-2). Y=______

asked by Patricia on October 27, 2014

find molar concentration of the solution. .128 g of benzophenone and fill in a beaker with ethanol to the 50.00mL line i came up with 3.5 x 10^-5 (0.128)(1/182.217)(.049872)

asked by john on February 1, 2009
66. ## Math

Find a single matrix that defines a rotation of the plane through an angle of π/6 about the origin, while at the same time moves points to five times their original distance from the origin.

asked by Dan on March 6, 2016
67. ## physics

A box weighing 50N was placed on a sloping plane inclined at 30degree to the horizontal. It was acted on by the force 50n. Find the perpendicular and parallel compönent

asked by Fate on April 5, 2011
68. ## PHYSICS

two masses m1 = 12 kg and m2 = 13 kg are connected by a light inextensible string passing over a frictionless pulley. Find (a) acceleration of the system when released from rest (b) tension in the string ?

asked by Camz on December 3, 2015
69. ## Health

What indicators would warn you that the team is planning this transition to an electronic health information management system is not functioning well? Where can I find this information or what sub- title would be appropriate for this question.

asked by Traci on December 3, 2015
70. ## math

pls help me proffesors! I need solution to this question, please show me the steps involve. The mean of the scores of three students in a class is 9. If the modal score is 11, find the lowest score.

asked by Banko on November 29, 2016
71. ## Math

The price of a technology stock has risen to \$9.68 today. Yesterday's price was \$9.57. Find the percentage increase. Round your answer to the nearest tenth of a percent

asked by Rose on June 2, 2017
72. ## Science

Distance(m) Time(sec) 1. Does this graph represent constant or changing speed?How do u know 10 20 2. Find the average speed 20 40 35 70 65 130 85 170 100 200

asked by Cashmere<3 on April 9, 2019
73. ## chem

find molar concentration of the solution. .128 g of benzophenone and fill in a beaker with ethanol to the 50.00mL line i came up with 3.5 x 10^-5 (0.128)(1/182.217)(.049872)

asked by john on February 1, 2009
74. ## math

a rectangular garden is to be fenced along four sides and in the middle it is to be divided into 2 equal areas.if 300meters of fencing materials is available, find the maximum possible area that can be fenced.

asked by Anonymous on December 2, 2011
75. ## Math

The price of a technology stock has risen to \$9.68 today. Yesterday's price was \$9.57. Find the percentage increase. Round your answer to the nearest tenth of a percent

asked by Rose on June 1, 2017
76. ## Physics

A 66.0 kg diver is on a diving board, which is 1.10 m above the water. He falls at a speed of 9.10 m/s. Calculate his kinetic energy as he hits the water. I know KE is 1/2mv^2, but how can I find KE when height is involved?

asked by Jake on March 4, 2008
77. ## Basic algebra

jenelle makes \$7.25 an hour at the flower shop write an inequality to find out how many hours you was work to earn at least \$125 how do you want does the word step-by-step

asked by Anonymous on January 17, 2017

I have searched and searched but I can't find examples of companies that product's image has been made or broken through Advertisement. Any ideas on Products hurt or helped by advertising?

asked by Alan on March 3, 2008
79. ## physics

A car travels 15km northwards. 5km eastwards, 10km southwards, and 5km westwards to arrive at point P. Find its total displacement

asked by Benny on November 15, 2015
80. ## Math check

Find the value of z that would be used to test the difference between the proportions, given the following. (Use G - H. Give your answer correct to two decimal places.) Sample n x G 386 327 H 414 321 2.71 was my answer. .

asked by Tracy on June 26, 2013
81. ## geometry

If four angles of a convex pentagon measure 120°, 93°, 108°, and 101°, find the measure of the fifth angle. Show equations and work that lead to your answer.

asked by sharon on January 7, 2012
82. ## physics

a metal cylinder is heated and then cools. if the radius always equals the height, find the expression for the instantaneous rate of change of volum V with respect to the radius r.

asked by luis on March 29, 2010
83. ## math

The density of a crystal is 2.65 grams per cubic centimeter. Ryan has a rectangular prism made of quartz. It measures 10 cm by 10 cm by 6 cm. Find the weight of this crystal in kilograms.

asked by Dan on April 6, 2011
84. ## physics

a body of mass 5kg initially at rest is subjected to a force of 20N. find the kinetic energy acquired by the body at the end of 10s.

asked by prudhvi on January 16, 2013
85. ## physics

find by calculation,the resultant two equal forces of 6N each acting at a 4N point at an angle of (a) 60 degree (b)120 degree with each other{hint cos120= -cos60 =1 and half or 1/2

asked by victory on October 23, 2014
86. ## Physical science

A sustained force of 56 moves a model airplane 16 along its runway to provide the required speed for takeoff. Find the kinetic energy at takeoff. What is the formula?

asked by Emmi on February 4, 2013
87. ## Science

Imagine you find a piece of wood on the beach. The next day, the wood is 100 meters farther north. How might it have moved? Your answer should refer to currents

asked by Jake on October 25, 2011
88. ## math

Find a single matrix that defines a rotation of the plane through an angle of π/6 about the origin, while at the same time moves points to five times their original distance from the origin.

asked by anonymous on March 7, 2016

The radius of a right circular cylinder is given by t + 9 and its height is (1/9)*(t^0.5) where t is time in seconds and the dimensions are in inches. Find the rate of change of the volume with respect to time. units = in^3/s

asked by Karishma on October 24, 2011
90. ## 10 th physics

Please help me to solve this problem. A body is projected vertically upwards with a velocity 20m/s. find the maximum height reached by the body.(g=10m/sec2)

asked by ramesh reddy on March 9, 2009
91. ## Calculus 1

Sketch the graph of f by hand and use your sketch to find the absolute and local maximum and minimum values of f. (If an answer does not exist, enter DNE.) f(t) = 6 cos t, −3π/2 ≤ t ≤ 3π/2

asked by TayB on October 20, 2015
92. ## PRE-CALCULUS

Find the accumulated value of a \$5000 investment which is invested for 8 years at an interest rate of 12% compounded: (a) annually (b) semi-annually (c) quarterly (d) monthly (e) continuou

asked by ROSE on November 18, 2016
93. ## science

Please help me to solve this problem. A body is projected vertically upwards with a velocity 20m/s. find the maximum height reached by the body.(g=10m/sec2)

asked by ramesh reddy on March 9, 2009
94. ## Physics

A 3500kg truck moving at 45km/h collided head on with a 1600kg car moving at 25km/h. Find the velocity of the combined cars after the collision.

asked by Sumeet on November 18, 2016
95. ## Science

Imagine you find a piece of wood on the beach. The next day, the wood is 100 meters farther north. How might it have moved? Your answer should refer to currents

asked by Lars on October 25, 2011
96. ## human services

I need information on the various policies related to the delivery of human services in missouri. Can you tell me where I might find this information. Would this include things like: medical benefits, food stamps?

asked by patiance on June 24, 2011
97. ## geometry problems (algebra)

the lengths of the triangle are consecutive odd integers, find the length of the shortest side if the perimeter is 19 units shorter than 4 times the lenghts of that side

asked by arvin on February 7, 2012

My profit formula is P = -.005x^2 + 4x - 200. The question wants me to find the number of donuts sold (what they are talking about in the problem) that will generate the highest profit. How do I determine that? Thank you.

asked by Carly on November 19, 2016
99. ## physics

Find the required angular speed, ω, of an ultracentrifuge for the radial acceleration of a point 2.00cm from the axis to equal 6.00×105 g (where g is the acceleration due to gravity).

asked by Anonymous on May 27, 2014
100. ## chemistry

Find the mass of AlCl3 that is produced when 10.0 grams of Al2O3 react with 25.0 g of HCl according to the following equation. Al2O3(s) + 6HCl(aq) → 2AlCl3(aq) + 3H2O(aq) 65.4 g help me ASAP.PLIS..

asked by ZEE on January 5, 2015