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

143,010 questions, page 899
1. ## Physics

The speed of the train is reduced from 36 km per hour to 9 km per hour whilst it travels a distance of 150 metres,if the retardation be uniform,find how much further it will travel before coming to rest

asked by Faiz on August 15, 2014
2. ## Calc

find absolute max and min of f(x)=cosx+sin^2(x) on interval [0,2pi]. Give exact answers, not decimal approx. (Use closed interval method)

asked by Anonymous on October 22, 2014
3. ## Physics

A half-atwood machine is constructed, as shown in the drawing below. The table is NOT frictionless, M1 is 50 grams, and M2 is 30 grams. Mass M2 descends 32 cm in 18 seconds. Find the tension in the wire.

asked by Dee on March 21, 2013
4. ## Chemistry - Final Temperature

An unknown mass of each of the following substances, initially at 23.0C, absorbs 1910 J of heat. The final temperature is recorded as indicated. Find the mass of each substance. sand (Tf=62.0C) ethanol (Tf=44.1C) water (Tf=32.1C)

asked by Amy on October 28, 2012
5. ## pre calc

An initial investment of \$12,000 is appreciated for 5 years in an account that earns 7% interest, compounded quarterly. Find the amount of money in the account at the end of the period

asked by joanie on June 10, 2010
6. ## Precalculus

A rectangle is inscribed in a circle of radius 2. Find a function that represents the area of the rectangle in terms of x. I have (x^2)(y^2)=4 Pythagorean Theorem (y^2)=4-(x^2) y=sqrt(4-(x^2)) A=bh or A=xy A=2x*2sqrt(4-(x^2)) Is this correct or what am I

asked by Clair on June 25, 2014
7. ## geometry

am building a birdhouse. the bottom is 5" wide by 7" long. the sides are 7" long, and cut at a 45 degree angle. I need to find the dimensions of the front and back, which must sit at the diagonal.

asked by Clark on March 29, 2011
8. ## math

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. Can somebody

asked by cindy on April 10, 2013
9. ## Math

Hi. So we had a long test with this question.. I was wondering how to solve it? Coz our teacher didn't discuss the answers.. and most probably we'll have the same type of question during midterms.. Find the Solution Set 9/|2-5x| - 4/y^2-3y = 5 2/|2-5x| +

asked by Jen on August 17, 2011
10. ## math

a well of diameter 3 m is dug 14 m deep . the earth taken out of it has beem spread evenly all around of it in the shape of circular ring of width 4 m to form embankment. find the height of embankment .

asked by Avi on March 16, 2016
11. ## physics

A machine with a velocity ratio requires 1000J of work to raise a load of 500N through a vertical distance of 1.7m . find the efficiency and mechanical advantage of the machine.

asked by Azeez on February 19, 2016
12. ## Physics

A 2.60-mol sample of oxygen gas is confined to a 5.03-L vessel at a pressure of 7.95 atm. Find the average translational kinetic energy of the oxygen molecules under these conditions.

asked by Josie on June 22, 2013
13. ## math

An initial investment of \$1240 is appreciated for 17 years in an account that earns 8% interest, compounded continuously. Find the amount of money in the account at the end of the period.

asked by allison on April 8, 2011
14. ## calc

Find the derivatives of the following functions using the differentiation rules. f(x)=(x^3-2x^2+x+1)(sqrt(x)-3x+9) I did: f'(x)=[x^3-2x^2+x+1][(1/2x^(-1/2)-3]+[x^(1/2)-3x+9][3x^2-4x+1] which I got to be

asked by Anna on September 27, 2010
15. ## hinkley

Sam Sounds received a \$290 discount loan to purchase a stereo. The loan was offered at 16% for 90 days. Find the interest in dollars and the proceeds for the following problem.

asked by carla on April 21, 2015
16. ## Finance

A company issues a 6-year bond with a face value of 5,000 and semi-annual coupons payments of \$275. If the yield rate is 7%, find the price of the bond.

asked by Kim on November 28, 2010
17. ## art appreciation

I have to do this essay and I can't find anything on this topic. I don't know if I'm looking in the wrong places or what but I would like some help if you can. This is the topic that I have to write on please help. How does symbolism expand the meaning of

asked by casandra on January 15, 2012
18. ## math

In a problem on percentages there are three quantities that are involved. These are the base, the amount, and the rate percent. Express the relation between them in the form of an equation and explain with examples how to find each one of them given the

asked by cecelia on October 19, 2012
19. ## Probability

three fair dice are tossed. Let X,Y,Z denote the respetive numbers showing on their top faces. Assume X,Y,Z are independent. a) find P(X

asked by Danny on November 18, 2007
20. ## maths

Two walkers set off at the same time from a crossroad and walk along flat straight roads inclined to each other at 68 degrees.If they both walk at a speed of 6km/h,find their distance apart 10 minutes later.

asked by Shane on March 10, 2013
21. ## Algebra

I am supposed to find how long it takes for an investment to double at an annual interest rate of 8.5%, compounded continuously. I know that e is supposed to turn into ln when you try to divide by t (or at least, I think), but how do you do this? Could

asked by Aurelia on December 2, 2008
22. ## Chemistry

Consider a mole of gas obeying the equation of state P⋅V = n⋅R⋅T + n⋅B(T)⋅P. Find w, q, ΔU, ΔS, ΔH, ΔA, and ΔG for a reversible isothermal expansion of this gas. Express your answers in terms of initial and final pressures, T, B, and

asked by Joesph on October 27, 2016
23. ## pre-calculus

A missile is fired at an angle of 75 from the horizontal. At one point, its speed was 900 mph. Find its horizontal velocity in miles per minute. (Round to the nearest hundredth.)

asked by brenden on March 17, 2010
24. ## algebra

A man finds three wallet on the ground containing \$5. The next day, he finds five wallets, each containing \$5. (Let's assume he's: 1) lucky, and 2) dishonest.) In all, how much did he find? 1 X 5 + 5 X 5 = 30 (order of operations) My teacher said this was

asked by michelle on July 30, 2010
25. ## Physics

A football player runs the pattern given in the drawing by the three displacement vectors A, B, and C. The magnitudes of these vectors are A = 5.0 m, B= 15 m, and C = 18 m. Using the component method, find the magnitude and direction è of the resultant

asked by Nat on September 7, 2016
26. ## physics

a 2575 kg van runs into the back of a 825 kg compact car at rest. They move off together at 8.5 m/s. Assuming no friction with the ground, find the initial speed of the van.

asked by Nilan on February 7, 2011
27. ## algebra

An initial investment of \$480 is appreciated for 7 years in an account that earns 15% interest, compounded quarterly. Find the amount of money in the account at the end of the period.

asked by kade on September 25, 2015
28. ## calculus

A point moving on a coordinate line has position function s. Find the velocity and acceleration at the t, and describe the motion of the point during the indicated time interval s(t)=-2t^3+15t^2-24t-6 [0,5]

asked by Anonymous on July 7, 2012
29. ## very complicated maths

Hey guys, need some help with a question ive been stuck on for a looooooong time! The question is: Given that (x+4) is a factor of the expression 3x^3+x^2+px+24, find the constant value of p. Hence factorise and solve the equation 3x^3+x^2+px+24=0 Any

asked by Nikki Clark on November 21, 2012
30. ## calculus

Find the x-coordinates of all points on the curve f(x) = sin 2x − 2 sin x at which the tangent line is horizontal. (Enter your answers as a comma-separated list. Use n to represent any integer.)

asked by Anonymous on September 23, 2012
31. ## 11th grade

Base your answers to the following questions using the diagram. The diagram represents R₁ and R₂ connected to constant power source of 40V. A₁, A₂, and A₃ represent ammeters.Find: A1: R1: potential difference:

asked by Amy on January 20, 2010
32. ## math

Assuming the earth to be a sphere of radius 6370km if seventy five percent of the earth's surface is covered by water then find how many square kilometres is area of the land

asked by shiv Shankar yadav on March 4, 2017
33. ## Algebra

please help me solve my homework with all the work involved. i have trouble paying attention in class so it's hard for me to do my homework. here are a few of the questions. I need to find out what the letters equal. 1.) 10(-4+y)=2y 2.)9(b-4)-7b=5(3b-2)

asked by Kelly on August 30, 2012
34. ## Science

In my US History Unit test number 15 says how do layers B & D compare in age if rock layers between be and D have eroded away what is the boundary between be and D called? I cannot find a graph related to this question

asked by Sshh on January 19, 2016
35. ## Algebra

During a clothing sale, 1/4 of the store merchandise is reduced in price. Find the probablility that 3 of 5 randomly-selectled shirts have reduced prices. my guess is to multiply 1/4 and 3/5 but that has to be wrong

asked by Jon on March 5, 2008
36. ## maths

A bond with face value of \$500 redeemable at par in 13 years time, is paying interest at j2 = 9.0%. Find the purchase price of the bond to give a yield to maturity of j2 = 8.4%.

asked by k on October 26, 2010
37. ## maths

Two walkers set off at the same time from a crossroad and walk along flat straight roads inclined to each other at 68 degrees.If they both walk at a speed of 6km/h,find their distance apart 10 minutes later.

asked by Shane on March 10, 2013
38. ## maths

Two walkers set off at the same time from a crossroad and walk along flat straight roads inclined to each other at 68 degrees.If they both walk at a speed of 6km/h,find their distance apart 10 minutes later.

asked by Shane on March 10, 2013
39. ## geometry

a circular has a radius between 6.5cm and 7cm and a volume of 315cm. find the smallest height and the largest height of the cylinder with that volue. round to the nearest 100th

asked by Anonymous on May 17, 2018
40. ## Chemistry

How would I find the pH of these? I found it for d and e, but I don't know how to do the rest a) 0.25M carbonic acid b) 0.075M CN- c) 0.15M F- d) 0.015M HCl (I got 1.8) e) 0.015 M NaOH (I got 12) f) 0.050 M acetic acid

asked by Sara on June 25, 2015
41. ## MATH

all 500 students at robinson junior high were surveryed to find their favorite sport how many more students played football than basketball? a. 325 b. 135 c. 190 d. 55

asked by hi on March 2, 2019
42. ## math

If the hourly sales at a certain register in a supermarket are normally distributed with a mean of \$650 and a standard deviation of \$60, find the probability that the sales during a randomly selected hour are greater than \$800.

asked by Anonymous on April 9, 2012
43. ## Math

Find the amplitude, frequency, and distance when t=3 a. y=-15cos((pi*t)/3)+5 b. y=120sin100pi*t I think the amp for a. is 15, the freq is 3/2 cycles per unit of time, and the distance is 20, but I'm not totally sure if I'm approaching this problem

asked by Andrew on December 25, 2014
44. ## Physics

An object is ocsillating in simple harmonic motion with an amplitude of 10cm and a period of 2sec.find the magnitude, velocity and it displacement from equilibrium is 10cm & -5cm.

asked by Ismaeel Rukayyat on April 13, 2019
45. ## Social Studies

Which policy might most help North Korea develop economically? A. more investment in the miltiary B. more government control C. more investment in citizens D. more trade sanctions please help this is due today and i can’t find anything on it to help me.

asked by help on April 26, 2019
46. ## Math

A car is stopped at a red light, and starts moving at time t = 0 when the light turns green, with an acceleration given by a(t) = √t, with t given in seconds, and distances given in metres. a. Find a Formul

asked by Mr Homie on June 6, 2016
47. ## math

When Melissa was born, her parents put \$8,000 into a college fund account that earned 9% simple interest. Find the total amount in the account after 18 years.

asked by maggie on February 3, 2014
48. ## Chemistry

How would I find the molality of NaCl with the following information? initial temperature= 98degrees celsius final temp=100 degrees celsius. Kbp(water)=0.512

asked by Hannah on February 13, 2012
49. ## chemistry - titration question

please help me with this question! a 1g sample of naoh contaminated with na2co3 is titrated with 0.500MHCl, and it is found that 46.5mL of HCl are required for neutralization. Find the percentage by mass Na2Co3

asked by alex on April 21, 2008
50. ## math

The angle of an elevation of the top of a radio mart from a point 53meter from its base on ground level is 61degrees ,find the height of the mart to the nearest whole number.

asked by Amanda on January 7, 2017
51. ## mah

When Melissa was born, her parents put \$8,000 into a college fund account that earned 9% simple interest. Find the total amount in the account after 18 years.

asked by maggie on February 3, 2014
52. ## Physics

A sprinter of mass 63.7 kg runs at a constant speed of 10.2 m/s in a straight line. Find the extra force the sprinter must exert on the ground to round a curve of radius 10.8 m.

asked by Mike on February 13, 2012
53. ## math

A culture starts with 8300 bacteria. After one hour the count is 10,000. (a) Find a function that models the number of bacteria n(t) after t hours. (Round your r value to three decimal places.)

asked by Julia on November 6, 2015
54. ## Reading/Language Arts

Pedro knew that none of his neighbors would have to pitch tents and live in their yards while repairs were made to their homes. WHAT DOES PITCH MEAN IN THIS CONTEXT?? I DIDN'T FIND ANY DEFINITIONS ONLINE!

asked by BUBBY on September 24, 2015
55. ## Physics

A sprinter of mass 63.7 kg runs at a constant speed of 10.2 m/s in a straight line. Find the extra force the sprinter must exert on the ground to round a curve of radius 10.8 m.

asked by Anonymous on February 13, 2012
56. ## Physics

A source produces 2000 sound waves in 4 seconds. The distance between two consecutive compressions is 55cm. Find the frequency, wavelength and speed of sound wave

asked by Mano on January 23, 2013
57. ## Math

Find the probability that if the letters of the word "parallel" are randomly arranged that the L's will not be together. In class, I'm studying permutations and combinations. The solutions stated the no. of permutations where 3 L's are together is 6!/2!.

asked by Candice on October 11, 2012
58. ## physics

the speed of train is reduced from 60km/h at the same time as it travel a distance of 450m if retardation is uniform find how much further it will travel approx befor coming rest?

asked by tarique on November 7, 2015
59. ## physics

A circular disk of 10cm radius is charged uniformly with a total charge of Q. Find the electric field intensity at a point 20cm away from the disk along its axis

asked by Anonymous on November 14, 2015
60. ## Physics

a 20kg box is pulled across ahorizontal surface with aforce of 100nt. The coefficient of friction is .3 (a) find the acceleration. (b) how far will the box move in 5 sec. (c) What is the velocity at this time?

asked by bird on January 30, 2011
61. ## Math quadratic word problem

The base of a triangle is 4cm shorter than twice the altitude, find the dimensions if the area is 80sqcm. this is work x(2x-4)=80 2x squared - 4x=80 2x squared -4x-80=0 (2x 8)(x-10) =0 so x= -8 and x=10 my classmate told me its wrong so can you pls help

asked by Jenn on September 16, 2014
62. ## social studies

in europe help me find a poltical cartoon about the transition between communism and deomcracy please just a website link or something i really need help or any ideas I HAVE NO IDEA WHAT TO DRAW OR ANYTHING mabye ideas about what excalty happened?

asked by christina on December 10, 2009
63. ## NEED HELP ASAP, college math

Find the future value! Periodic payment: \$650.00 Payment interval: every month Term: 19 years, 2 months Interest rate: 4.75% Compound frequency: monthly

asked by kerry on October 22, 2012
64. ## geometry

Part of a road that is 452 meters in length has a slight incline. The vertical rise is 12 meters. Find the angle of elevation. can anybody help? and it must be rounded to the nearest tenth

asked by danielle on May 22, 2014
65. ## physics

a boy runs 100m along the east,then he turns to his left side at right angle and runs for 50m along the north direction.find the distance and the magnitude of the displacement .

asked by bamba on July 2, 2017
66. ## Physics 2

four equal-magnitude (4uc)charges are placed at the four corners of a square that is 20cm on each side.find the electric field intensity at the center of square , if the charge are all positive.

asked by arian on May 27, 2014
67. ## math

Ms. Tweed earns \$12 an hour. Deductions for taxes and insurance take 25 percent of her earnings. Which equation could be solved to find Ms. Tweed’s take-home pay, p, after 80 hours of work? please help!

asked by samone on November 4, 2013
68. ## algebra 2

Ms. Tweed earns \$12 an hour. Deductions for taxes and insurance take 25 percent of her earnings. Which equation could be solved to find Ms. Tweed’s take-home pay, p, after 80 hours of work?

asked by hannah on October 27, 2013
69. ## health care policy making

where can I find health care policy of the United States and develop a timeline. I need some fresh ideas about the policies like the names of some I have searched Google but ran out of ideas

asked by Mary on August 28, 2013
70. ## cjs 200

I am suppose to provide statistice for crime and population in at least 2 prisons in my area. I have tried the missouri department of corrections website and various search phrases and cannot find anything. any suggestions on phrases? thank you

asked by sutton on February 7, 2011
71. ## maths

Find the periodic payment R required to amortize a loan of P dollars over t years with interest earned at the rate of r %/year compounded m times a year. P=30,000 r = 8 t = 12 m =1

asked by luvena on December 21, 2014
72. ## physics college

A dog sled is pulled at an angle of 30 degrees with the horizon using a tension of 450N. If the sled has a mass of 50kg, then find the recoil, forward force and acceleration (if any).

asked by Gee on October 24, 2012
73. ## Physics

How do you find the ratio of the new/ old world periods of a pendulum if the pendulum wee transported from earth to the moon, where the acceleration due to gravity is 1.63m/s^2? Im not sure if we use 9.8 at all, I think I'm supposed to use T=2 pi sqrtL/g.

asked by cris on December 10, 2012
74. ## math

a boat travels at 16 knots 1st leg: 6hr @ S63W 2nd leg: 4hr @ N10E find time and bearing back to port

asked by Ashley on January 23, 2013
75. ## calculus

use the method of cylindrical shells to find the volume of the solid obtained by rotating the region bounded by the given curves about the x-axis. sketch the region and a typical shell. x=1+y^2, x=0, y=1, y=2

asked by confusing on September 8, 2013
76. ## math

a 40m deep well with radius 3.5m is dug and tje earth taken out is evenely spread to form a platform of dimenssion 28m by 22m .find the height of the platform

asked by kitaba on April 24, 2019
77. ## Mathematics

Kinda lost with this one Given that hx^3 - 12x^2 - x + 3=(2x-1) (2x+1) (x-k) find the values of the constants k and h don't even know where to start when the sum of 1.9 and 2.2 is subtracted from the product of 1.9 and 2.2, what is the differance? don't

asked by Mallory on March 11, 2007
78. ## Statistic

A Toyota dealer wants to find out the age of their customers (for advertising purposes). They want the margin of error to be 3 years old. Suppose the sigma is 13 years old. If they want a 90% confidence interval, how many people do they need to know about?

asked by Ahmad Syukri on April 27, 2013
79. ## MATH

I have a square that is divided into 2 triangles. In the middle of the top triangle there is this: 6ã2 in. and at the bottom corner of the same triangle it says 45 degrees. Could some explain to me how to find the area and the perimeter? I'm not sure

asked by Anonymous on September 2, 2009
80. ## statistics

Solve the problem. Round to the nearest tenth unless indicated otherwise. The amount of rainfall in January in a certain city is normally distributed with a mean of 4.3 inches and a standard deviation of 0.3 inches. Find the value of the quartile .

asked by bob on December 18, 2013
81. ## Physics

The exterior walls of a house have a total area of 220 m2 and are at 11.9°C and the surrounding air is at 6.7° C. Find the rate of convective cooling of the walls, assuming a convection coefficient of 3.4 W/(m2 · C°).

asked by Tyler on April 11, 2017
82. ## physics PLEASE HELP

A 3.00-kHz tone is being produced by a speaker with a diameter of 0.185 m. The air temperature changes from 0 to 29° C. Assuming air to be an ideal gas, find the change in the diffraction angle θ.

asked by Lucy on December 6, 2012
83. ## CHEM.

HELLO AND GOOD EVENING EVERYONE mY QUESTION THAT IS QUITE MAKING ME FRUSTERATED IS : HOW MANY MASSES OF Cl2 MOECULE WOULD I EXPECT TO FIND IN A SAMPLE OF CHLORINE GAS? AND IT IS FOR SURE A GAS PLEASE HELP ME WITH MY HOMEWORK THANKYOU

asked by Linda Cunniffe on June 4, 2007
84. ## Math

An initial investment of \$1000 is appreciated for 8 years in an account that earns 9% interest, compounded annually. Find the amount of money in the account at the end of the period

asked by Lisa on June 8, 2011
85. ## math

Find the volume of a solid generated by revolving the region bounded by y=secx and y=0 and x=0, x-pi/4 about the x axis. Don't evaluate. Please help!!!! Also, what si the average value of this equation? I don't understand what that means.

asked by olivie on April 17, 2011
86. ## MATH

Two number cubes are rolled—one red and one black. Explain why the events “the red cube shows a 6” and “the sum is greater than or equal to 10” are dependent, and find the probability.

asked by Maitha on November 25, 2011
87. ## Math Help

The length of Joe's rectangular garden is 1 meter less than twice its width, and its area is 120m^2. Find the dimensions of the garden by setting up a quadratic equation and define its variables.

asked by Hal on May 13, 2014
88. ## chemistry

Two liquids of different densities (ρ1 = 1500 kg/m3, ρ2 = 500 kg/m3) are poured together into a 100 L tank, filling it. If the resulting density of the mixture is 800 kg/m3, find the respective masses of the liquids used.

asked by nick on August 29, 2012
89. ## Math

7th grade--how do I determine the slope of a set of stairs? Thanks you find it by measuring thr rise over the run i.e. the vertical distance divided by the horizontal distance. thanks

asked by Ellen on May 7, 2007
90. ## Geometry

Let O and H be the circumcenter and orthocenter of triangle ABC, respectively. Let a, b, and c denote the side lengths, and let R denote the circumradius. Find OH^2 if R = 7 and a^2 + b^2 + c^2 = 29. I tried to draw a diagram but it didn't work out too

asked by John on May 13, 2014
91. ## Physics

A 45kg skier is sliding down a 37 degree ski slope starting from rest. She crossed the 25m in 5.0s. Ignoring air resistance, Find all the forces on the skier.

asked by John on November 7, 2016
92. ## Physics

A dog sled weighing 750 lb is pulled over level snow at a uniform speed by a dog team exerting a force of 60 lb. find the coefficient of friction.

asked by Bill on November 11, 2014
93. ## Physics

a racing car reaches a speed of 44m/s. at this instandt, it behins a uniform deceleration using a parachute and a braking system, and comes to a rest 4.8s later. Find the acceleration of the car

asked by Anonymous on September 9, 2014
94. ## physics

the weight of the block on the table is 402 N and that of the hanging block is 210 N. Ignore all frictional effects, and assuming the pulley to be massless, Find the acceleration of the two blocks

asked by Anonymous on October 21, 2011
95. ## Algebra

I have no clue how to do this (uniform motion 1)2 bycicles start from the same point and ride in opposite directions. 1 rider is moving twice as fast as the other. In 3h, they are 72mi apart. Find the rate of each rider

asked by Chris on September 23, 2008
96. ## physics

a crate weighing 562 newtons is resting on an inclined plane 30 degress above the horizontal. Find the components of the weight forces that are parallel and perpendicular to the plane?

asked by amirah on January 10, 2012
97. ## Math

A \$26,000 company car is expected to be driven for 120,000 miles and then salvaged for \$3,500. Find the unit depreciation using the units-of-production method

asked by Khandi on July 29, 2008
98. ## geometry

Let ABC be a right triangle with ACB =90, AC =6 , and BC =2. E is the midpoint of AC , and F is the midpoint of AB . If CF and BE intersect at G , then cos(CGB), in simplest radical form, is ((k square root w)/f) where k , w , and f are positive integers.

asked by Anonymous on March 2, 2013
99. ## physics

A plane designed for vertical takeoff has a mass of 9.0 103 kg. Find the net work done by all forces on the plane as it accelerates upward at 11.3 m/s2 through a distance of 34.8 m after starting from rest.

asked by Jayde Larson on January 26, 2013
100. ## Physics

A 80.0 Hz generator with an rms voltage of 150 V is connected in series to a 3.20 k ohm resistor and a 3.50 micro farad capacitor. Find the phase angle between the current and the voltage.

asked by Mima on March 2, 2013