# Short answer find the quotient 6x^3-x^2-7x-9 ------------ 2x+3

143,010 questions, page 878
1. ## physics/chem

the density of alumnium is 2.7 g/cm^3 and its molar mass is 27 g/mol. find the mass of an atom of aluminum and the numebr of alumuminum atoms per cubic meter.

asked by billystar on April 22, 2008
2. ## calculus

Use a double integral to find the area of the smaller region bounded by the spiral rtheta=1, the circles r=1 and r=3, and the polar axis. I just need help with setting up the integral.

asked by siddh on November 15, 2012
3. ## Calculus

Find the x-values where f(x)=x^4-8x^3 attains a relative minimum, relative maximum, and inflection points, if any. Justify your answers. My derivative test didn't seem right.

asked by Anonymous on December 14, 2014
4. ## mtha

Each letter of the alphabet is written on a separate piece of paper and placed in a box. Find the probability of drawing a vowel, {a, e, i, o, u}, or a letter in the word "sum"

asked by Anonymous on July 3, 2010
5. ## Algebra

I have major issues with problems like these,please I need help. For these systems of linear equations in questions -Determine how many solutions exist -Use either elimination or substitution to find the solutions (if any) 1. y = 2x + 3 and y = -x - 4 2.

asked by Vilma on June 10, 2012
6. ## calculus II

a ball is dropped from a height of 100 ft. Each time it hits the floor, it rebounds to 2/3 its previous height. Find the total distance traveled.

asked by SDSU on July 12, 2009
7. ## Physics

A monatomic ideal gas expands from 1.00m^3 to 2.50m^3 st a constant pressure of 2.00x10^5 Pa. Find the change in the internal energy of the gas.

asked by A on November 22, 2012
8. ## Physic

A hockey puck leaves a player's stick with a speed of 8.60 and slides 38.0 before coming to rest. Find the coefficient of friction between the puck and the ice.

asked by Andrea on July 10, 2010
9. ## Algebra 1 Check My Answer Please.

2.Find the slope of a line that passes through (–2, –3) and (1, 1). The fraction one third.< 1 2 The fraction four thirds. 3.For the equation –4y = 8x, what is the constant of variation. –4 –2 1 < 2 4.Suppose y varies directly with x, and y = 24

asked by Mia on November 15, 2014
10. ## Science

Allie was setting up a fish tank in her room. She needed to find a tank that would fit on her table. What metric unit should she use to record the volume?

asked by Destiny on November 11, 2009
11. ## math

find the montly payment needed to amortize principal and interest for a 130000 fixed rate mortgage with a 10.5% rate and a 30 year term

asked by kuku on July 19, 2014
12. ## math riddle

Find 2 Numbers to fit all these rules: 1. To the nearest ten and hundred, both round to be the same number. 2. The estimated sum is 200. 3 The estimated difference is 0.

asked by Amber on November 13, 2009
13. ## physics

A horizontal force of 5.0 N is required to move a body of mass 3.0 kg with uniform velocity along a horizontal floor. Find the coefficient of kinetic friction.

asked by Ange on November 17, 2011
14. ## math

Khalid is now four times as okd as his daughter. Ten years ago,if the sum of their ages was sixty. Find the present age of his daughter?

asked by ramzan on April 19, 2016
15. ## mathj

a box contains ten `pairs of shoes if four shoes are retired there are numeration (1 I) (2 I) (10 I) X is the set formed by 20 numbers Find the triplet Calculate probability P(Ai)

asked by juanpro on March 20, 2018
16. ## science

20ml solution containing 0.2g of an impure sample of h2o2 reacts with 0.316g of kmno4 in the presence of h2so4. Find the purity of h2o2 in the mixture.

asked by Ram naresh panday on June 20, 2017
17. ## Physics

A body which has three forces acting on it is in equilibrium. One force is 3N to the North, and another is 4N to the west. Find the magnitude and the direction of the third force. Show the vector diagram.

asked by Moyamé on July 20, 2014
18. ## Math

The total cost of producting X items per day ₹(X^2÷4+35X+25)and the price per items at which they may be sold is ₹(50-X÷2).find the daily output to maximize the profit

asked by Anonymous on September 9, 2018
19. ## Physics

Find the net force of gravity on the moon (Mm = 7.35 x 10^22 kg) from the earth and the sun (Ms = 1.99 x 10^30). Assume that the two forces are perpendicular to each other. Give the angle in relationship to the sun.

asked by Nick on March 24, 2011
20. ## Calculus

Find all numbers c that satisfy the conclusion of Rolle's Theorem for the following function. If there are multiple values, separate them with commas; enter N if there are no such values. f(x)= x^2-10x+3, [0,10]

asked by Nathan on October 28, 2013
21. ## Chemistry 12

I really don't get pH curves. I have to sketch a pH curve for the titration of 40.00 mL of 0.100 M hydrazine, H2NNH2(aq) having a Kb of 3.0x10^-6 by 0.100M HCIO4(aq). I know you can't sketch on here. But can you help me find the first point? I know its a

asked by Anonymous on October 24, 2011
22. ## physics

The three forces shown in the figure below act on a particle (with F1 = 48.0 N, F2 = 58.0 N, θ1 = 63.0°, and θ2 = 27.0°). If the particle is in translational equilibrium, find F3, the magnitude of force 3 and the angle θ3. F3 = 1 N θ3 = 2°

asked by kj on February 21, 2009
23. ## Math

a flower was 20 centimeters tall one week ago in five days it grew 1 meter find the current height of the flower 12.3 cm 120 cm 125 cm 11.2 cm

asked by io on April 12, 2018
24. ## History

sequence of events of Earth's history for the Mesozoic and Cenozoic eras. I know That the Cenozoic era was first but I cant find anything on google its not working its saying page has been dispaneded :(

asked by plz healep on December 19, 2015
25. ## Calculus

A box with a square base and open top must have a volume of 4,000 cm3. Find the dimensions of the box that minimize the amount of material used.

asked by Anna on January 28, 2014
26. ## PreCal

A ball was kicked with an initial velocity of 35 feet per second at an angle of 15 degrees. Find the components of the velocity. Round your answers to the nearest hundredth.

asked by Rose on May 14, 2017
27. ## math riddle

Find 2 Numbers to fit all these rules: 1. To the nearest ten and hundred, both round to be the same number. 2. The estimated sum is 200. 3 The estimated difference is 0.

asked by Amber on November 13, 2009
28. ## calculus

Use the disk or the shell method to find the volume of the solid generated by revolving the region bounded by the graphs of the equations about each given line. y = x3 y = 0 x = 3 a)the line x = 4

asked by ReinaS on January 25, 2012
29. ## Chris

The curve y = x/(1 + x^2) is called a serpentine. Find an equation of the tangent line to this curve at the point (2, 0.40). (Round the slope and y-intercept to two decimal places.)

asked by Calculus on November 2, 2011
30. ## Physics

A lamp of mass 5kg is hung from two hooks 2.5cm apart on the horizontal ceiling of room by strings of length 1.5m and 2m.Find tension in the strings?

asked by Prasad on September 29, 2016
31. ## physics

Two pellets, each with a charge of 1.0 microcoulomb (1.0×10−6 ), are located 4.0 (4.0×10−2 ) apart.A)find the electric force between them B)What would be the mass of an object that would experience this same force in Earth's gravitational field?

asked by julie on August 6, 2012
32. ## physics

two blocks of each mass m=3.75kg are fastened to the ceiling of an elevator. If the elevator accelerates upward at 1.6m/s^2. Find the tension in T1 and T2 in each upper and lower rope

asked by Rebecca on March 11, 2015
33. ## math

A teach chooses a student at random from a class of 10 boys and 15 girls. Find the odds in favor of and the odds against each event. Choosing a boy

asked by Anonymous on November 3, 2010
34. ## physics

Find the position and velocity of a particle at t = 1.92 s if the particle is initially moving east at a speed of 18.4 m/s and experiences an acceleration of magnitude 3.96 m/s2, directed west.

asked by Meg on January 31, 2013
35. ## Maths

Looks uses different letters to represent different digits and writes numbers using those digits.she notes that the successor of a number ABB is XYY and the predecessor of AYY is BB.can you find the value of A+B+X+Y

asked by N.Bharathi on September 7, 2016
36. ## AP Chemistry

A 30.75 mL sample of 0.450 MKOH was titration with an unknown concentration of HCl. The endpoint was reached when 29.35 mL of NaOH were delivered. Find the concentration of the titrant

asked by Rebecca on February 4, 2018
37. ## Mathematics

Ray's gross pay is \$320.09 a week. &46 is witheld for federal income tax, \$24.04 for FICAtax, and \$11.20 for other deductions. Find his net pay?

asked by Jacqueline on August 5, 2015
38. ## trig

Write the expression as the sine, cosine, or tangent of a double angle. Then find the exact value of the expression. 2tan 2pi/3 / 1-tan^2 2pu/3

asked by tony on June 21, 2013
39. ## Pre-Calculus Matrix

Use Gaussian elimination to find the complete solution to the system of equations, or state that none exists. Show your work. 4x - y + 3z = 12 x + 4y + 6z = -32 5x + 3y + 9z = 20 4 -1 3 12 1 4 6 -32 5 3 9 20 I believe that the solution does not exist and

asked by Alexa on June 8, 2016
40. ## Chemistry H

Find the molality, mole fraction, and percent by mass of a solution prepared with 500 grams of C12h22O11 in 2000 grams of H20

asked by c on June 20, 2013
41. ## physics

A diver springs upward with an initial speed of 2.58 m/s from a 3.0-m board. (a) Find the velocity with which he strikes the water.(b) What is the highest point he reaches above the water?

asked by Anonymous on January 28, 2014
42. ## Calculus

The curve y = x/(1 + x^2) is called a serpentine. Find an equation of the tangent line to this curve at the point(2, 0.40).(Round the slope and y-intercept to two decimal places.)

asked by Andy on November 2, 2011
43. ## physics

Two point charges q1 = q2 = 2μC are fixed at x1 = + 3 and x2 = – 3. A third particle of mass 1 g and charge q3 = – 4 μC are released from rest at y = 4.0. Find the speed of the particle as it reaches the origin. q1= q q2= -q x θ

asked by sophie moagi on August 12, 2015
44. ## calculus

Find the maximum volume of right circular cylinder that can be inscribed in a cone of altitude 12 cm and base radius 4 cm, if the axes of the cylinder and con coincide.

asked by Anh on December 9, 2011
45. ## Physics

A 170-N box is placed on an inclined plane that makes a 35.0° angle with the horizontal. Find the component of the weight force parallel to the plane's surface.

asked by Billy on November 17, 2012
46. ## maths

The angle of elevation of the top of a tower from a point is 42m alwayfrom its base on level ground is 36 degree. Find the hight of the tower

asked by mary jane on May 14, 2017
47. ## physics

A gardener pulls a roller along the ground through a distance of 20 m.if he applies a force of 20 kg wt in a direction inclined at 60 degree to the ground.find the work done by him (take g=10m\s )

asked by manish kumar on August 2, 2013
48. ## Math

An object is acted upon by two forces, u and v, with direction angles €u and€v, respectively. Find the direction and magnitude of the resultant force. U= 30lb €u = 0degrees v= 90lb €v =60 degrees

asked by Jace on November 13, 2012
49. ## Maths

A big ball contains 3 red,2 white identical balls. If 2 balls are picked at random from the bag,one after the other and with replacement, find the probability that they are different colour?

asked by Jackson allies on June 20, 2019
50. ## physics

A 0.500kg ball is tied to the end of a 1.50m string and revolved so its andle thata is 35 degrees. a.) find the velocity of the ball (ans 2.43)

asked by Nicole on November 23, 2014
51. ## Calculus

Find the exact real solutions, if any, of this quadratic equation. Use any method. If there is no real solution enter NONE in each box. 2x^2-5x+3=0 Is the smaller value none andthe larger value none.

asked by George on August 26, 2008
52. ## Shelly

I really don't get pH curves. I have to sketch a pH curve for the titration of 40.00 mL of 0.100 M hydrazine, H2NNH2(aq) having a Kb of 3.0x10^-6 by 0.100M HCIO4(aq). I know you can't sketch on here. But can you help me find the first point? I know its a

asked by Anonymous on October 24, 2011
53. ## maths

The total cost of producting X items per day ₹(X^2÷4+35X+25)and the price per items at which they may be sold is ₹(50-X÷2).find the daily output to maximize the profit

asked by Anonymous on June 21, 2019
54. ## Math

If you wanted to find the depth of a submarine during a dive, would it be more reasonable to use an equation with the rate in feet per minute or feet per hour? Explain your reasoning.

asked by Michele Heard on September 26, 2016
55. ## math

A game consists of rolling a die and pays off as follows: \$5.00 for a 6, \$3.00 for a 5, \$2.00 for a 4, and no money otherwise. If it costs \$2.00 to play, find the expected net winnings for a player of this game.

asked by stephanie on June 28, 2014
56. ## Math

Mr. Micthell invested \$16000, part at 8%, and the remainder at 6%. If the total yearly interest from these investments was \$1180, find the amount invested at each rate.

asked by Yakima on February 17, 2012
57. ## calculus - derivatives

can you please find the first 5 derivatives for: f(x) = (0.5e^x)-(0.5e^-x) f'(x) = ? f''(x) = ? f'''(x) = ? f''''(x) = ? f'''''(x) = ? thanks :) f(x) = (0.5e^x)-(0.5e^-x) f'(x) = 0.5 e^x + 0.5 e^-x f''(x) = 0.5 e^x - 0.5 e^-x f'''(x) = 0.5 e^x + 0.5 e^-x

asked by COFFEE on July 30, 2007
58. ## physics

A 175-N box is placed on an inclined plane that makes a 30.0° angle with the horizontal. Find the component of the weight force parallel to the plane's surface.

asked by student on December 11, 2011
59. ## math

By a unit fraction, we mean a rational number with a numerator of 1. Symbolically, 1 b where b is a nonzero integer. Find six distinct, positive unit fractions whose sum is 1.

asked by Omar on February 6, 2013
60. ## Physics

The drawing shows six point charges arranged in a rectangle. The value of q is 9.27 µC, and the distance d is 0.17 m. Find the total electric potential at location P, which is at the center of the rectangle.

asked by Donald on February 18, 2013
61. ## Algebra 2/Trigonometry

How do I solve f(x)=x^3-6x^2+16x-96 using Descartes' Rule of Signs to find the number of positive and negative real roots, along with imaginary roots, but not with a graph?

asked by Christian on December 5, 2014
62. ## geometry

find the perimeter and area of a right triangle if the shortest side is 20m and the longest side is 29m. Include correct units with your solution.

asked by angela on May 18, 2012
63. ## Calculus

Find the volume of the solid whose base is the region bounded by y=x^2 and the line y=0 and whose cross sections perpendicular to the base and parallel to the x-axis are semicircles.

asked by Becca on January 29, 2012
64. ## physics

A 3 point jump shot is released 2.2 m above the ground, 6.14 m from the basket, which is 3.06 m high. For launch angles of 30° and 60°, find the speed needed to make the basket.

asked by talia on November 13, 2014
65. ## Subtraction equation

Please help The original acreage was 125,000, recentlly they expanded their boundaies by 93,533 areas, how do I write subtraction equation to find new acreage

asked by Jenny on December 4, 2014
66. ## math

find the lateral surface area of a right triangular prism if its altitude is five inches and its base is an isoceles right triangle with hypotenuse of length 10 inches

asked by mary on March 27, 2012
67. ## math

Allan borrowed \$4800 from his father to buy a car. He repaid him after 9 months with interest of 5% per year. Find the total amount he repaid.

asked by Jennifer on June 24, 2014
68. ## analytic geometry helps are appreciated

A line with slope 3 is 2 units away from the origin. Find the area of the triangle formed by this line and the coordinate axes. How is this even going to be done? We are given little info but a bunch of variables. Could someone help please??

asked by Knights on February 27, 2013
69. ## math

A circular sector of central angle theta and 9 cm radius can be fashioned into a paper cone with volume 100 cm^3. Find all possible values of theta.

asked by caroline on November 3, 2010
70. ## geometry

An advertisement states that a Roto-Sprinkler can water a cicular region with area 1000 ft^2. Find the diameter of this region to the nearest foot. Use pi = 3.14.

asked by anna on April 27, 2008
71. ## math

Is the only way to check if a set of vectors are linearly indep. is if the det does not equal 0? I have a problem where v1= [1;2;1;-1] v2=[0;2;1;1] v3=[3 1 0 2] but this creates a 3X4 matrix and you can't find the det of this. I am really confused! thanks

asked by kirsten on March 4, 2015
72. ## geometry

I tired but answers don't make since. Problem is segment CD is perpendicular bisector of segment AB. Need to find lengths of AC (9y-6), AD (3x), and AE ((5x +6). Others: BE=(5x+ y), BD (x + 10) and CB (7y). Figure like a kite. HELPPPPPPPPPP.

asked by miranda on April 15, 2015
73. ## Calculus

The base of a solid is the region enclosed by the graph of x^2 + 4y^2 = 4 and cross-sections perpendicular to the x-axis are squares. Find the volume of this solid. a. 8/3 b. 8 pi/3 c. 16/3 d. 32/3 e. 32 pi/3 Thanks in advance! :)

asked by Jillian on April 6, 2008
74. ## alalgebra 8th grade check my work

At an amusement park, Tami chooses one each from the following options: 3 movies, 20 rides, 6 snack shops. Find the number of possible outcomes. Is it 3 x 20 x 6 = 360 possible outcomes? thanks!!!!!

asked by mark on May 2, 2017
75. ## math

If 30 samples of 100 items are tested for nonconformity, and 95 of the 3,000 items are defective, find the upper and lower control limits for a -chart.

asked by Rachael on August 31, 2013
76. ## PHYSICS HELP

An object 4.0 mm high is 10 cm in front of a concave mirror having a 6.0 cm focal length. Find the height by means of; a) the lens/ mirror and magnification equations.

asked by Anonymous on October 4, 2017
77. ## math

a photogragh is 20cm long and 15cm wide.the length of a small print of the photograph is 4cm.find the width of the smaller print

asked by mensuration on June 25, 2014
78. ## math

If 30 samples of 100 items are tested for nonconformity, and 95 of the 3,000 items are defective, find the upper and lower control limits for a p-chart.

asked by Rachael on August 31, 2013
79. ## 10th Grade Pre-Calc

The demand equation for a hand-held electronic organizer is... P=5000(1-(4/4+e^-.002x)) Find the demand x for a price of (a) P=600? So strange. Thx for help

asked by Anthony Clay on January 17, 2012
80. ## math.

Write a function of x that performs the following operations: Raise x to the ninth power, multiply by 5, and then add 6. y=f(x)= (b) Find the inverse to the function you found in part (a). x=g(y)=

asked by sam on March 8, 2016
81. ## physics

Three charges sit on the vertices of an equilateral triangle, the side of which are 30.0 cm long. If the charges are A = +4.0 C, B = +5.0 C, and C = +6.0 C (clockwise from the top vertex), find the force on each charge.

asked by matin on May 15, 2012
82. ## statistics/normal distribution

Find the area of the shaded region.The graph to the right depicts IQ scores of Adults (85-120), and those scores are normally distributed with a mean of 100 and a standard deviation of 15

asked by slomomo on March 4, 2015
83. ## 10th grade

I really need help! I need to know how a Table with polyatomic listed looks like. And Rules for naming Covalent Compounds (mono, di, tri,..) and How to find Lewis structure using the periodic table

asked by Melissa on November 16, 2008
84. ## Calculus I

Find the volume of the solid formed by rotating the region bounded by the graph of y equals 1 plus the square root of x, the y-axis, and the line y = 3 about the x-axis.

asked by Jer on April 22, 2016
85. ## Calculus. Please help!

Find the minimum value of the function f(x,y= 25x^2+3y^2+20xy+10x+4y+10 subject to the constraint 5x^2+4xy=1. I solved fx=50x+20y+10 fy=6y+20x+4 gx=10x+4y gy=4x Then what?

asked by Carly on August 10, 2011
86. ## Chem

What is the volume occupied by 24.4 g of argon gas at a pressure of 1.31 atm and a temperature of 464 K? n=24.4g P=1.31atm T=464 Find V i tried working it out and i got 7091.98 and is inncorrect can i get some help?

asked by Amy on October 15, 2010
87. ## Calc :(((((

The curve y = x/(1 + x^2)is called a serpentine. Find an equation of the tangent line to this curve at the point (4, 0.24). Round the slope and y-intercept to two decimal places.)

asked by Tenshi on March 7, 2014
88. ## Calculus.

Given the function f with the restricted domain, find the points at which the tangent line is horizontal. f(x)=2sec(x)-tan(x) Domain: [-pi/2,pi/2] * I got (pi/6, square root of 3), but I am not sure if that is right, or if there is another point.

asked by Ashley on March 27, 2011
89. ## Math

A ball is thrown from a cliff. This is modeled by the eqn h=-5t^2 +5t+210 How long does it take the ball to reach a height of 60m? I don't understand how to find this, please help.

asked by Sarah on October 9, 2017
90. ## physics

For safety in climbing, a mountaineer uses a nylon rope that is 65 m long and 1.1 cm in diameter. When supporting a 94-kg climber, the rope elongates 1.4 m. Find its Young's modulus.

asked by greg on March 28, 2012
91. ## trigonometry

the base of an isosceles triangle measures 108 feet and forms an angle of 55 degrees with one equal sides. find the perimeter of the triangle

asked by jer on January 3, 2016
92. ## physics

Total mechanical energy of a flying rubber ball is 2000 J. It has a velocity of 151 ms-1 and is 3.1 m above the ground. Find the mass of the ball. (2dp)

asked by Simon on September 29, 2012
93. ## maths

find the number of bricks, each measuring 25 cm x 16 cm x 10 cm required to construct a wall 24 m long, 6 m high and 0.4 m thick. the mortar occupies (1/10)th of the volume of the wall

asked by leena on February 25, 2013
94. ## calc

find derivative using limit definition: f(x) = x - sqrt(x) so f'(x) = lim h->0 [f(x+h) - f(x)]/h but I keep trying to solve by multiplying by the conjugate but I can't figure it out..there's nothing that can be cancelled or anything and I can't get the

asked by terra on September 26, 2011
95. ## Calculus

A circular oilspill is spreading such that the radius is increasing at 0.5 metres per minute. Find the rate of increase of the are of the oil spill when the radius is 10m.

asked by Ally on May 20, 2014
96. ## Physics

A car traveling with an initial velocity of 68 km/h accelerates uniformly at a rate of 1.35 m/s^2 for 4.7s. Find the final speed and displacement of the car during the specified time interval.

asked by Sam on January 12, 2014
97. ## maths

1.Without using Pythagorus theorm, prove that the points (-4,-3), (-2,2),(8,-2)are the vertices of a right angled triangle. 2. The 3 vertices of a parallelogram taken in order are (3,4),(-2,3), (-3,-2).Find the coordinates of the fourth vertex ?

asked by kumar on January 28, 2017
98. ## math

Given: âˆ†ABC is isosceles mâˆ ACB = 120Â° mâˆ BMC = 60Â° CM = 12 Find: AB can you guys help I'm really struggling with proofs (statement and reasons)

asked by allie on January 28, 2017
99. ## Physics

A monatomic ideal gas expands from 1.00m^3 to 2.50m^3 st a constant pressure of 2.00x10^5 Pa. Find the change in the internal energy of the gas.

asked by B on November 24, 2012
100. ## Calc

Find a polar equation for the curve represented by the given Cartesian equation. a. y=5 b.2xy=1 I know i posted a question just for the opposite..Im confused on how to convert the other way around as well. any advice?

asked by Jessica on March 26, 2008