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

143,010 questions, page 306
1. ## sixth grade math problem

Bertrand collects movie posters. The number of movie posters in his collection changes each month as he buys and sells posters. The table show how many posters he brought or sold in the given months. January sold 20, February bought 12, March bought 22,

asked by lindsey on September 2, 2014

In lab, I weighed out and found the molarity of 1.108g Na2C2O4 and 1.100g K3Fe(C2O4)3. I titrated an average of 0.0335L of the sodium oxalate solution with KMnO4(potassium permanganate). I then titrated an average of 0.0169L of K3Fe(C2O4)3 X 3H2O with

asked by Tricia on February 26, 2014
3. ## Lab/Chemistry

In lab, I weighed out and found the molarity of 1.108g Na2C2O4 and 1.100g K3Fe(C2O4)3. I titrated an average of 0.0335L of the sodium oxalate solution with KMnO4(potassium permanganate). I then titrated an average of 0.0169L of K3Fe(C2O4)3 X 3H2O with

asked by Tricia on February 26, 2014
4. ## Physics

The wheels of a skateboard roll without slipping as it accelerates at 0.45 m/s2 down an 75-m-long hill. If the skateboarder travels at 1.8 m/s at the top of the hill, what is the average angular speed of the 2.6-cm-radius whe els during the entire trip

asked by Anonymous on October 29, 2016
5. ## language arts

(excerpt from "the treasure of Lemon Brown" by Walter Dean Myers) "I used to have a knotty-headed boy just like you." Lemon Brown had half walked, half shuffled back to the corner and sat down against the wall. "had them big eyes like you got, I used to

asked by haunted on November 8, 2018
6. ## Physics

Compared to yesterday you did 3 times the work in one third the time. To so so your power output must have been: a) the same as yesterday's power output b)one third of yesterday's power output c)3 times yesterday's power output d)9 times yesterday's power

asked by Andrea on October 17, 2007
7. ## Physics B

Part 1 A 36 kg girl is standing on a 65 kg plank. The plank, originally at rest, is free to slide on a frozen lake, which is a ﬂat, frictionless supporting surface. The girl begins to walk along the plank at a constant speed of 1.89 m/s to the right

asked by Sarah on November 12, 2012
8. ## Chemistry

Hi, I have a few questions that I am struggling with. Any help would be greatly appreciated. Question 1 Calculate the molar mass of calcium chloride dihydrate, CaCl2 • 2H2O. Please use the Periodic Table values rounded to the hundredths place for your

asked by Bob on February 22, 2009
9. ## Calculus

Solve the following initial value problem and determine the interval where the solution exists. dy/dt = 2ty^2 y(0) = y_0 Textbook answer is: When y_0 0, then y = 1/(1/y_0 - t^2). When y_0 = 0, then y = 0 When y_0 > 0, the interval where solution exists is

asked by Mark on June 1, 2010
10. ## geometry

1. the opposite angles of a parallelogram measure(x=30) and (2x-50).Find the measure of each angle of the parallelogram. 2. the ratio of two consecutive angles of a parallelogram is 2:3. find the measurement of the angles of a parallelogram. 3.the

asked by marycon on November 7, 2010
11. ## Physics

When you suddenly stand up after lying down for a while, your body may not compensate quickly enough for the pressure changes and you might feel dizzy for a moment. (a) If the gauge pressure of the blood at your heart is 15.02 kPa and your body doesn't

12. ## pre calculus

a satellite is launched to take pictures during its orbit. its low and high points over the surface of the earth are 119 and 122800 miles. Find the polar equation if the center of the earth is the focus. assume that the earth has a radius of 4000 miles.

asked by Anonymous on November 5, 2007
13. ## math

rozana,a fisherwomen throws her net in a lake.the net falls in the lake when it is 2 meters above the ground at 5 meters per second at angle of 60 degrees.(assume that the acceleration due to gravity is -9.8m/s^2).find the vector function of the net at the

asked by arini sofia on May 22, 2016
14. ## math

rozana,a fisherwomen throws her net in a lake.the net falls in the lake when it is 2 meters above the ground at 5 meters per second at angle of 60 degrees.(assume that the acceleration due to gravity is -9.8m/s^2).find the vector function of the net at the

asked by arini sofia on May 22, 2016
15. ## physics

to find the depth of the water surface in a well, a person drops a stone from the top of the well and simultaneously starts a stopwatch. The watch is stopped when the splash is heard, giving a reading of 3.65 s. The speed of sound is 340 m/s. Find the

asked by raj on September 12, 2012
16. ## Calculus

An inverted conical tank is 3m tall and 1m in diameter at its widest point. The water is being pumped out of a spout 2m above the top of the tank. Recall that the density of water is ρ = 1000kg/m^3 (a) Find the work needed to empty the tank if it is full.

asked by John on May 20, 2014
17. ## world geography

explain how the Catholic Church provides the link between the ancient world and the medieval world. The Roman Emperor Constantine is the link you're looking for. Research (both online and in your nearest library) him and the early Christian church to find

asked by danielle on November 25, 2006
18. ## Algebra

I can not figure these out for the life of me. Any help is appreciated. 1. Find the final amount of an investment if \$2,000 is invested at an interest rate of 8% compounded quarterly for 8 years. I used interest formula and came up with \$1,769.08. And

asked by Lyn on June 23, 2011
19. ## Algebra

A salesperson has found that the number x of televisions she can sell at a certain price p is related to the equation x=-1/5p + 90 A) Find the number of TVs she will sell if the price is \$375 B) WRite a formula for the revenue when x TVs are sold C)Find

asked by Katie on October 25, 2006
20. ## physics

A star with an initial radius of 1.0 x 10^8 m and period of 30.0 days collapses suddenly to a radius of 1.0 x 10^4 m. (a) Find the period of rotation after collapse. (b) Find the work done by gravity during the collapse if the mass of the star is 2.0 x

asked by donut on May 10, 2012
21. ## Probability Statistics

a manufacturing plant uses 3000 light bulbs whose lifetimes are independently normally distributed with mean 500 hrs, and standard deviation 50 hrs. to minimize the number of bulbs that burn out during production hours, all bulbs are replaced after given

asked by Liza on December 7, 2012
22. ## Calculus

An inverted conical tank is 3m tall and 1m in diameter at its widest point. The water is being pumped out of a spout 2m above the top of the tank. Recall that the density of water is  = 1000kg/m^3 (a) Find the work needed to empty the tank if it is full.

asked by Timmy on May 19, 2014
23. ## physics

A star with an initial radius of 1.0 x 10^8 m and period of 30.0 days collapses suddenly to a radius of 1.0 x 10^4 m. (a) Find the period of rotation after collapse. (b) Find the work done by gravity during the collapse if the mass of the star is 2.0 x

asked by donut on May 10, 2012
24. ## Calculus

An inverted conical tank is 3m tall and 1m in diameter at its widest point. The water is being pumped out of a spout 2m above the top of the tank. Recall that the density of water is  = 1000kg/m^3 (a) Find the work needed to empty the tank if it is full.

asked by Jim on May 18, 2014
25. ## Math

We would like to test 3 different treatments on a particular type of plant. A worker at the local greenhouse will allow us to use 3 amoung 10 plants. *Note: Each treatment will be used on one and only one plant.* a) In how many different ways can we assign

asked by Lindz on September 27, 2006
26. ## physics

Two parallel narrow slits are at a distance of 0.840 mm apart. Each of them has a width of 0.140 mm. The double slit is illuminated with parallel light of wavelength 546.1 nm. (a) Find the ratio of the intensity of the central maximum to that of its

asked by mattheaus on May 8, 2013
27. ## physics

Two parallel narrow slits are at a distance of 0.840 mm apart. Each of them has a width of 0.140 mm. The double slit is illuminated with parallel light of wavelength 546.1 nm. (a) Find the ratio of the intensity of the central maximum to that of its

asked by mattheaus on May 8, 2013
28. ## Chemistry

A student conducts an experiment to determine the enthalpy of neutralization for phosphoric acid reacting with sodium hydroxide. The student combines 25.0 mL of equimolar solutions of acid and base, both having an initial temperature of 22.5 °C, in an

asked by Chen on November 6, 2011
29. ## Chemistry

A student conducts an experiment to determine the enthalpy of neutralization for phosphoric acid reacting with sodium hydroxide. The student combines 25.0 mL of equimolar solutions of acid and base, both having an initial temperature of 22.5 °C, in an

asked by Chen on November 6, 2011
30. ## Algebra I

5. Holly wants to invest \$1000. The table below shows the value of her investment under two different options for two different years: Part A: What type of function, linear or exponential, can be used to describe the value of the investment after a fixed

asked by Anonmous on December 16, 2014

which of the following would be the most useful strategy for learning to communicate effectively with international employees working in your overseas division? A. Devote time to learning the rules for communicating with people from each of the countries

asked by IceIpac on October 12, 2010
32. ## Math - Algebra 2 some1 plz help?

in a certain math class, each student has a text book, every 2 students share a book of tables, every 3 students share a problem book, and every 4 students share a mathematics dictionary. If the total number of books is 75.. how many students are in a

asked by Agnes on December 2, 2006
33. ## American History

1. In the 1920s the NAACP stuggles for equal justice for balck american by A. holding militant demonstrations B. Securing congressional action C. Forging stronger tires with the Republican Party D. Filling lawsuits in the courts -------------------------my

asked by CM on April 22, 2008
34. ## Math

Raul did an inventory of all the books in collection by subject. He displayed his results in the table below . Use the table to solve to solve each problem. Raul's book Collectio Subject of book. Number of books History. 72 Art 81 Science. 54 Travel. 63

asked by Joi on December 22, 2013
35. ## English

1. I'm worried about my English. - Why don't you practice speaking more? 2. I'm worried about English. - ( ) (Is this correct without 'my' before 'English? What is the difference between #1 and #2? What will be the answer to the question 2?)

asked by rfvv on March 14, 2016
36. ## phyics

A dart leaves the barrel of a blowgun at a speed v. The length of the blowgun barrel is L. Assume that the acceleration of the dart in the barrel is uniform. a) Show that the dart moves inside the barrel for a time of 2L/v Express your answer in terms of

asked by sarah on September 20, 2015
37. ## sat essay

Is it necessary for us to find new solutions to problems? Many people may argue that we don¡¯t need to since we are already able to solve the problems. As far as I am concerned, we should always try to find new solutions to problems. New solutions enable

asked by Mercedes on December 2, 2009

1.Justin writes the letters I-L-L-I-N-O-I-S on cards and then places the card in a hat. What are the odds in favor of picking an I? a. 5:3 b. 3:5 c. 3:7 d. 1:2 my answer is b? 2. Justin writes the letters I-L-L-I-N-O-I-S on cards and then places the cards

asked by Anon on May 3, 2016
39. ## Physics

A lead ball is dropped into a lake from a diving board 5.42 m above the water. It hits the water with a certain velocity and then sinks to the bottom with this same constant velocity. It reaches the bottom 4.98 s after it is dropped. (Assume the positive

asked by Ray on September 7, 2009
40. ## English

4. In "The New Colossus," the Statue of Liberty is compared to alan A. European queen. B. mother. C. immigrant D. door 7. Describing the chariot that bears the human soul as "frugal" is an example of A. paradox. B. denotation. C. epiphany. D. realism 9.

asked by Carrie on September 1, 2008
41. ## precalculus

How do I find the vertical/horizontal compression/stretch? For the graph, determine the equation of the function in the form y=a(x-h)^2+k. Then describe the transformations that were applied to y=x^2 to obtain the graph. Here is the graph: imgur dot

asked by Melinda on December 10, 2011
42. ## Algebra

An engineer designs a satellite dish with a parabolic cross section. The dish is 10 ft wide at the​ opening, and the focus is placed 8 ft from the vertex. ​a) Position a coordinate system with the origin at the vertex and the​ x-axis on the​

asked by Lacey on November 16, 2016
43. ## Calculus

Hi there i am having some problems trying to do my calculus homework and i really need help on how to show the step to proof the volume of a sphere which is V= 4/3pirsquare. But I have to use triple integral to proof the volume of a sphere. Please help me

asked by shylo on November 25, 2009
44. ## Algebra

An engineer designs a satellite dish with a parabolic cross section. The dish is 14 ft wide at the​ opening, and the focus is placed 4 ft from the vertex. ​a) Position a coordinate system with the origin at the vertex and the​ x-axis on the​

asked by Jason on November 16, 2016
45. ## Chemistry(Please check, thank you)

For an experiment on the effect of a buffer solution, I need to calculate the expected pH of the buffer. I know that I have to make an amounts table and use the Hasselbalch equation to find the pH. For the first part, 0.10M HCl was added to a buffer. The

asked by Hannah on March 29, 2012
46. ## MATH (ASAP)

Jay and Tia are planning to buy snack chips. • Individual bags of chips cost \$3.00 each. • Each case of chips contains 10 bags and costs \$25.00. a. If Jay buys 1 case of chips, what is the cost per bag? Show or explain how you got your answer. b. How

asked by Frances on March 4, 2012

4.Which sentence uses commas correctly? A. The teacher read Home of the Brave, before the class went to lunch. B. The teacher, read Home of the Brave before the class went to lunch. C. The teacher read Home of the Brave before the class went to lunch.***

asked by Jared on September 11, 2017
48. ## U.S. Government Question

I have one more question that I would appreciate your help with. In representing the Bank of the United States in McCulloch v. Maryland, attorney Daniel Webster argued that Maryland could not tax a branch of the bank because operating the bank was an

asked by Anonymous on January 19, 2007
49. ## Solvent

Question: A student dissolved 0.30 g of a crude product in 10.5mL (the minimum amount required) of ethanol at 25 degrees C. He cooled the solution in an ice-water bath for 15 minutes and obtained beautiful crystals. he filtered the crystals on a Hirsch

asked by Sheryl on September 27, 2006
50. ## maths

A cannon is placed on a hillside pointing up the hill, where the hill is at an angle a Pi/4 to the horizontal. The cannon points at an angle Pi/6 to the slope. and a shot is red uphill with initial speed v0. (i) Find the maximum value of the distance

asked by hayley on March 2, 2013
51. ## maths and physics

A cannon is placed on a hillside pointing up the hill, where the hill is at an angle a Pi/4 to the horizontal. The cannon points at an angle Pi/6 to the slope. and a shot is red uphill with initial speed v0. (i) Find the maximum value of the distance

asked by tom on March 3, 2013
52. ## physics

How do i find this? A shooting star is a meteor that burns up when it reaches Earth's atmosphere. Many of these meteoroids are quite small. Calculate the kinetic energy of a meteoroid of mass 6.0 g moving at a speed of 45 km/s and compare it to the kinetic

asked by raina on April 4, 2010
53. ## math

While investigating the properties of parallelograms using a dynamic geometry software program, a student notices that the diagonals of a parallelogram seem to bisect each other. The student conjectures that this statement is true for all parallelograms.

asked by michele on March 2, 2011

Please help me with the following: Which of the following statements most accurately describes the difference between 3x^0 and (3x)^0, if a difference exists? A. There is no mathematical difference between 3x^0 and (3x)^0. The two are equivalent

55. ## Just 2 sentences.

The problems of conflicting expectations. The importance of not selling out. Can anyone make that sentences more simple? cuz I don't get what those means... I don't see a verb in either. Are these sentences, or sentence fragments? If these had verbs and

asked by Justin on January 4, 2007
56. ## us history

please check my answers at the bottom Parliament Member Argues Against Repeal (January 23, 1766) The only shadow of an argument, that can be brought to support the repeal of the Stamp Act, is that our trade with that country will suffer, if we enforce the

asked by anonymous on September 18, 2018
57. ## Math

Ok, so my math teacher didn't tell us ways to do this faster, and it's late enough as it is so I don't want to be up all night doing homework. D; *Note: A permutation is where the order matters. A combination is where it doesn't. Find the number of

asked by Who cares? on February 14, 2008

I'm really bad at these, can someone help me PLEASE? 1. Name the property shown by the statement: 9x + 0 = 9x a. Commutative Property of Addition b. Commutative Property of Multiplication c. Identity Property of Addition d. Identity Property of

asked by Cheryl on March 1, 2011

1) Oxygen and boron are in the same period . When they form a compound----- is written first.Phosphorus and arsenic are the same group. When they form a compound------is written first. A) oxygen/phosphorus B)oxygen/arsenic C)boron/phosphorus

asked by nick on February 12, 2012
60. ## chemistry/help

1) Oxygen and boron are in the same period . When they form a compound----- is written first.Phosphorus and arsenic are the same group. When they form a compound------is written first. A) oxygen/phosphorus B)oxygen/arsenic C)boron/phosphorus

asked by nick on February 12, 2012
61. ## Statistics

As reported in Runner's World magazine, the times of the finishers in the new york 10 km run are normally distrubted with a mean of 1.02 hours and a standard deviation of 9 minutes. Let X denote finishing time for the finishers. Then, A. Find the

asked by Anonymous on March 14, 2013
62. ## Physics

The electric field at the point x=5.00 cm and y=0 points in the positive x direction with a magnitude of 10.0 N/C. At the point x=10.0 cm and the electric field points in the positive x direction with a magnitude of 16.0 N/C . Assume this electric field is

asked by Cooper on January 23, 2012
63. ## Finance

You have just purchased a new warehouse. To finance the purchase, you’ve arranged for a 38-year mortgage loan for 70 percent of the \$3,380,000 purchase price. The monthly payment on this loan will be \$17,100. What is the APR on this loan? (Do not round

asked by Etimbuk on January 14, 2019
64. ## Physics

1.Two balls, each with a mass of 0.871 kg, exert a gravitational force of 8.23 × 10−11 N on each other. How far apart are the balls? The value of the universal gravitational constant is 6.673 × 10−11 Nm2/kg2. Answer in units of m I got .785 which is

asked by Sam on December 1, 2011

1. If the price of a new digital media player is \$249.99 and the cost to the store that sells it is \$150, what is the markup of this electronic item? A. \$100 B. \$98.99 C. \$99.99 D. \$89.99 My answer C 2. What is the percentage markup of a digital media

asked by Meghan on September 8, 2014
66. ## Spanish

Can someone please check my work? What color and season do you usually associate with.... 1. Valentine's Day? 2. the hot sun? 3. a pumpking? 4. snow? 5. grass? 6. flowers? I don't get how to answer these. Can you please do one as an example? Answer each

asked by Larry on April 2, 2009
67. ## Chemistry. Percent mass...

A 1.009 g mixture of the solid salts Na2SO4 (molar mass= 142.04) an Pb(No3)2 (molar mass= 331.20) form an aqueous solution with the precipitation of PbSO4 (molar mass= 303.26). The precipitate was filtered and dried and its was was found to be .471 g. The

asked by Sarah on November 21, 2008
68. ## English

How do you find the etymology for example of the word panic? In any dictionary (in print or online) there should be a section, often in brackets, that gives you the history of the word. Go here: http://www.answers.com/panic Scroll down to just below the

asked by Dennis on July 29, 2007
69. ## human resources

Help please. I need to find information on how peers influence a sweet 16 party for a female. I can find information on how the media influences this, but I need solid information on how peers can influence a sweet 16 party. I am doing the rites of passage

asked by Patiance on February 5, 2011
70. ## calculus ab

The velocity of a particle tralling along the x-axis is given by v(t)=(e^-t)(sin(t)). Find the following a. Compute the net change in distance from time t=1 to time t=3 (this is equivalent to s(3)-s(1) b. compute the total distance traveeled from time t=0

asked by Jake on January 8, 2012
71. ## physics,plzzz....be fast

1)the cart has a mass of 50kg it moves with a speed of 35cm/sec. *)find the speed of cart in m/sec. *)find the kinetic energy of the cart? 2)an IGCSE student was calculating the power of the cart.he wanted to apply the formula of power.which formula did he

asked by sweetie on November 24, 2010
72. ## Math 116

In 1920, the record for a certain race was 45.7 sec. In 1950, it was 45.1 sec. Let Ra9ta0=the record in the race and the number of years since 1920. A. Find a linear function for the data B. Use the function in (a) to predict the record in 2003 and in

asked by Kim on May 27, 2011
73. ## Physics

3. A 0.200 kg air-track glider moving at 1.20 m/s bumps into a 0.600 kg glider at rest. a.) Find the total kinetic energy after collision if the collision is elastic. .144J I got that one. b.) Find the total kinetic energy after collision if the collision

asked by Pat on February 28, 2012
74. ## ENGLIGH

WHICH WORD HAS THE ROOT WHICH MEANS PLACE, SET? Position: http://www.etymonline.com/index.php?term=position =) My guess is plant The root is actually -pos- as in position impose posit depose deposit proposition propose disposable dispose disposition etc.

asked by LARRY on November 1, 2006
75. ## Calculating delta H

I honestly don't know where I went wrong with my calculations. I've been adding the products separately. Then I add the reactants separately. Finally, I take the product and subtract from the initial. Could you do this so I can double check my work? HCl +

asked by Anne on June 12, 2018
76. ## chin

The following data shows the annual salaries of 12 randomly selected employees of a company (in £ 1000’s) on the X-axis and the average number of days they have taken days off work in the last 10 years on the Y-axis. Y X Y X 11.1 29.6 9.6 39.2 8.4 58.6

asked by lee on November 13, 2014
77. ## Math

Hello, I'm Bunny and I'm not sure about my answers to these questions. 1. Which angles are adjacent angles? My answer to this was C.

asked by Bunny on February 19, 2016
78. ## algebra II

A formula for the volume of a sphere is V=4/3 pie r^2. If the radius is 6c^2d^3, what is the volume of the sphere? a. 288 pie c^6d^9 b. 288 pie c^5d^6 c. 8 pie c^2d^9 d. 216 pie c^6d^9 If you could explain this to me.thanks and how do you find x int of a

asked by jack on January 9, 2008
79. ## area of circle

The radius of a circle is 8ft. I have 60ft of tile. Is this enough to cover circle. Do you mean you have 60 SQUARE feet of tile? The circle's area is much more than that. How would you find he angle to a circle if half of it is 12 in. ??? and how owuld you

asked by jodie on March 5, 2007
80. ## Physics

A constricted horizontal tube of radius r(1)=4.00 cm tapers to a tube of radius r(2)=2.50 cm. If water flows at speed 2.00 m/s in the larger tube, (a) find the speed of the water v(2) in the smaller tube. (b) Find the flow rate in this tube.

asked by Lashawn on April 24, 2013
81. ## rational zeros theorem

Use the rational zeros theorem to find all the real zeros of the polynomial function. Use the zeros to factor f over the real numbers. f(x)=25x^4+26x^3+126x^2+130x+5 Find the real zeros x= Use the real zeros to factor f f(x)=

asked by Jill on April 9, 2013
82. ## Astrophysics

(a) From the absorption lines, we were able to determine that the star (phi)-Fictus has spectral classification F7V and color index B-V=0/48. What is the mass M(phi) of the star in solar masses? (b) Spectroscopic parallax, when corrected for reddening,

asked by O_o Rion on February 2, 2010
83. ## Physics

Both car A and car B leave school at the same time, traveling in the same direction. Car A travels at a constant speed of 77 km/h, while car B travels at a constant speed of 89 km/h. 1. How long does it take car A to reach a gas station a distance 247 km

asked by Anonymous on September 8, 2013
84. ## Chemistry

Draw the structure of the product formed by the reaction between methyl alcohol and formic acid and give the molecular formula? I did not understand the answer that you gave me it did not make sense to me and I couldn't find it to respond back im sorry. If

asked by Kellie on April 17, 2007
85. ## Calculus

Consider the planes given by the equations 2y−2x−z=2 x−2y+3z=7 (a) Find a vector v parallel to the line of intersection of the planes. (b)Find the equation of a plane through the origin which is perpendicular to the line of intersection of these two

asked by Felicia on October 1, 2012
86. ## Chemistry

A mixture of 0.47 mole of H2 and 3.59 moles of HCl is heated to 2800C. Calculate the equilibrium partial pressures of H2 Cl2 and HCl if the total pressure is 2.00 atm. For the reaction Kp is 193 at 2800C. H2(g) +Cl2(g) = 2HCl (g) I know that I need to find

asked by Ashley on October 16, 2010
87. ## Physics

Consider the system shown in the figure with m1 = 25.00 kg, m2 = 10.20 kg, R = 0.18 m, and the mass of the uniform pulley M = 5.00 kg. Object m2 is resting on the floor, and object m1 is 4.00 m above the floor when it is released from rest. The pulley axis

asked by Chris on April 8, 2009
88. ## Chemistry

Stoichiometry; Find the percent yield of solid calcium carbonate made when 5.0 mL of 1.0 M Sodium Carbonate reacts with 0.40g Calcium Chloride Balanced Equation; Na2(CO3)+CaCl2-->2NaCl+CaCo3 could you please help me step by step to find the theoretical

asked by Christopher on May 21, 2014
89. ## Physics

Two objects with masses 4.90 and 2.10 hang 0.800 above the floor from the ends of a cord 7.20 long passing over a frictionless pulley. Both objects start from rest. Find the maximum height reached by the 2.10 object. The heavier object will move .8 m down,

asked by Ben on April 1, 2013
90. ## calculus

a.) Given y=square root of (x) and y= (x) Find the area between two curves from x=0 to x=1 by integrating with respect to x (top-bottom) I'm more concerned about this one though: b.) Now integrate with respect to y given between y=0 and y=1 Do I just graph

asked by Jill on May 12, 2011
91. ## Math

Will someone please help me with the following problems: 1. One kilometer is equal to 1,000 meters. What fractional part of a kilometer is 750 meters? Simplify 2. Find the number that is the difference between 99 and 63. 3. Find the unit price for the

asked by BaBa on July 17, 2008
92. ## MATHEMATICS

A piece of notebook paper is about 0.0032 inch thick. If you begin with a stack consisting of a single sheet and double the stack 25 times, how tall will the stack be in inches? How tall will it be in feet? (Hint: Write and solve an exponential equation to

asked by DAN on April 8, 2012
93. ## PHYSICS HELP

A couple of astronauts agree to rendezvous in space after hours. Their plan is to let gravity bring them together. She has a mass of 66.0 kg and he a mass of 72.0 kg, and they start from rest 25.0 m apart. A)Find his initial acceleration. i put 7.68*

asked by Gina on February 16, 2012
94. ## sociology

Which of three theoretical perspectives best explains the fact that Americans find work roles psychologically satisfying but also find them to be stressful? Responses sociology - Ms. Sue, Tuesday, July 28, 2009 at 3:23pm What are the three theoretical

asked by paula on July 28, 2009
95. ## Statistics

Please help me with this homework you roll two fair dice, a green one and a red one? (a) are the outcomes on the dice independent? (b)Find P(1 on green die and 2 on red die) (c)Find P(2 on green die and 1 on red die) (d)Find P(1 on green die and 2 on red

asked by Mary on October 30, 2016

Can someone check my answers please. The formula for calculating the amount of money returned for an initial deposit into a bank account or CD (certificate of deposit) is given by A=P(a+r/n)^nt A is the amount of the return. P is the principal amount

asked by Alicia on December 11, 2007
97. ## Physics

The helicopter view in the figure below shows two people pulling on a stubborn mule. Assume that F1 is 130 N, and F2 is 65 N. The forces are measured in units of newtons (N). (a) Find the single force that is equivalent to the two forces shown. In both

asked by anne on May 18, 2011
98. ## MATH FOR TEACHERS

the roof is a right rectangular prism and the floor is a rectangle. (its the outside of a warehouse). for the roof- the base has 51 x 51. The rectangular for the floor is 120 (l) x 20 (h) x 90 (w). need to find the volume and surface area. (counting the

asked by brittney on March 19, 2012
99. ## Science

A cord of negligible mass is wound around the rim of a flywheel of mass 20 kg and radius 20 cm. Steady pull of 25 N is applied in tue cord. The flywheel is mounted on a horizontal axis with frictionless bearings. Compute the angular acceleration of the

asked by Rabeena faizal on March 4, 2016
100. ## Statistics

Find the sample proportions and test statistic for equal proportions. Is the decision close? Find the p-value. a. Dissatisfied workers in two companies: x1 = 40, n1 = 100, x2 = 30, n2 = 100, á = .05, two tailed test. b. Rooms rented at least a week in

asked by Marilyn on October 3, 2008