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

143,010 questions, page 198
1. ## Math conversion

If one meter is equal to 39.4 inches, how many centimeters are in one foot? Answer 30.4 cm How is this answer obtained? i know there is 12 in in a foot and 100 centimeters in a meter. what happens next?

asked by jakey on January 11, 2013
2. ## physics

After 10.3 s, a jogger’s displacement is 360 m. What is the average velocity in m/s? Answer in units of m/s part 2 What is the average velocity in km/h? Answer in units of km/h

asked by alison on October 1, 2013
3. ## physics

A force of 7.36 N acts on a(n) 2.1 kg object for 24.7 s. What is the object’s change in momentum? Answer in units of N · s What is its change in velocity? Answer in units of m/s

asked by dimitry on January 30, 2012
4. ## math,correction

can you check if how i solved it to show that my answer is no is correct. Is -4 a solution to the equation 7x-5+3x=6+x-10 This is what i did: 7(-4)-5+3(-4)=6+(-4)-10 -28-5-12=2-10 -45=-8 so the answer is no -4 is not the solution to the equation. Yes this

asked by jasmine20 on February 13, 2007
5. ## algebra

Solve the system of equations algebraically. Show all of your steps. y=x^2+2x **y=x^2+2x (2/2)^2=1 1=answer** y=3x+20 **y=3x+20 (3/2)^2=2.25 2.25=answer** am i right or wrong, if im wrong could someone show me the steps

asked by ANoNyMouS on April 29, 2019
6. ## maths

if cot theta =7/8 , evaluate (1+sin^2theta)(1-sin^2theta)/(1+cost^2theta)(1+co-^2theta) the answer should be 49/64 but i couldn't get that answer. can any one help?

asked by rani on July 1, 2010
7. ## science

Ms. Sue, I want to check an answer ok? A kayak races 100m in 50s. What is its speed? This is my answer speed=100m/50s=2m/s. Thank you

asked by Annie on March 9, 2011
8. ## Biology

The function of a protein is determined by its ? Answer: shape The shape of a protein is determined by the ? of its ? ? First answer : ? Second two answers : primary structure

asked by Please help on September 15, 2014
9. ## 8th Grade Math

Can you please check my answer? An American football field is a rectangle 120 yards long (including both end zones) and 53 1/3 yards wide. What is the area of an American football field? my answer: 6360 square yards

asked by Elizabeth on November 28, 2010
10. ## Help! Desperate, physics

a 40 kg child slides down a frictionless playground slide from a height of 2.0m. What is her speed at the bottom of the slide? Would the answer to part A change if she jumped straight down instead of sliding? How would the answer to part A change if the

asked by Jazzy on January 15, 2013
11. ## Math

Use the Associative Propety: 1/ Diego bought 7 sheets of stamps. Each sheet had 3 stamps per row. How many stamps did Diego buy in all ? The answer: 7*(3*3)= 7*9=63 2/ Four children have the same birthday . At their party ,each child had 1 cake there were

asked by Nawaf on December 3, 2013
12. ## physica

A small first-aid kit is dropped by a rock climber who is descending steadily at 1.3 m/s. After 4.0 s, what is the velocity of the first-aid kit? The acceleration of gravity is 9.81 m/s 2 . Answer in units of m/s 012 (part 2 of 2) 10.0 points How far is

asked by Bill Nye on October 8, 2014
13. ## social studies 7th

Confused! Who were the presidents of the United States and of the Confederate States of America? My child has as an answer- The Union and the Confederacy each had a president. The president of the Union was Abraham Lincoln, while Jefferson Davis was the

asked by Mom needs help! on September 17, 2011
14. ## physics

A ﬂowerpot falls from a window sill 25.3 m above the sidewalk. What is the velocity of the ﬂowerpot when it strikes the ground? The acceleration of gravity is 9.81 m/s 2 . Answer in units of m/s How much time does a passerby on the sidewalk below have

asked by shay on January 29, 2012
15. ## Math (Integrals)

∫ (2x-1)^2 dx could have two answers: a) ((2x-1)^3)/6 + C b) 4/3x^3 - 2x^2 + x + C Now the question is, how are the two answers related? I attempted to answer the question by: "The two answers are related because when finding the derivative of those two

asked by Ray on April 18, 2017
16. ## physics.

Part 1: Janet jumps off a high diving platform with a horizontal velocity of 2.67 m/s and lands in the water 2.6 seconds later. The acceleration is 9.8 m/s^2. How high is the platform? Answer in units of m. Part 2: How far from the base of the platform

asked by Autumn on October 25, 2010
17. ## physics

A satellite is in a circular orbit around the Earth at an altitude of 3.30 106 m. (a) Find the period of the orbit. (Hint: Modify Kepler's third law so it is suitable for objects orbiting the Earth rather than the Sun. The radius of the Earth is 6.38 106

asked by alba on February 22, 2015
18. ## physics

A boy with a mass of 35.4 kg comes running up behind his stationary father, whose mass is 105.3 kg. If the boy’s velocity before the collision is 8.20 m/s eastward, and his father’s velocity after the collision is 3.10 m/s eastward, find the boy’s

asked by I have answer just need help with work on July 16, 2013
19. ## Math

1. Select the list that shows the numbers in order from least to greatest. A. 0.37, 0.508, 0.717, 0.33 B. 0.508, 0.717, 0.37, 0.33 C. 0.33, 0.37, 0.508, 0.717 D. 0.508, 0.37, 0.717, 0.33 Answer: C 2. Select the list that shows the numbers in order from

asked by Anonymous on March 17, 2019
20. ## math

Consider an equilateral triangle with points located at each vertex and at each midpoint of a side. (See picture.) This problem uses the set of numbers {1, 2, 3, 4, 5, 6}. Place one number at each point. Call the sum of the three numbers along any one side

asked by al on October 10, 2014
21. ## Math

How many 1 1/4 inches strips can be cut from s string that is 4 3/4 inches long? My answer is 3 3/4 strips but the choices don't have this answer The choice are 19/5 strips 3 4/5 4 strips 4 1/4 strips

asked by Raven on April 20, 2017
22. ## College Physics

One last physics problem left: Peggy drives from City A to City B in 50 minutes. City A is 75.1km from City O in a direction of 25degrees west of south. City B is 23.9km from City O in a direction of 20degrees south of west. Using City O as your origin,

asked by Jacqueline on September 20, 2008
23. ## Math - Equations of plane(check)

Consider the plane that contains points A(2,3,1), B(-11,1,2), C(-7,-3,-6). a) Find two vectors that are parallel to the plane. Ans: AC, BC or AB will be parallel to the plane. b) Find two vectors that are perpendicular to the plane. Ans: if i find the

asked by Shaila on September 4, 2010
24. ## Math - Equations of plane(check)

Consider the plane that contains points A(2,3,1), B(-11,1,2), C(-7,-3,-6). a) Find two vectors that are parallel to the plane. Ans: AC, BC or AB will be parallel to the plane. b) Find two vectors that are perpendicular to the plane. Ans: if i find the

asked by Shaila on September 6, 2010
25. ## English

1. If you answer the question right, you will get a point card. 2. If your answer is right, I will give you a point card. 3. If you say the correct answer, you will receive a point card. 4. If you respond to the question right, you will get a point card.

asked by rfvv on December 1, 2015
26. ## Starcatcher

PLEASE CHECK MY ANSWERS!! Which of the following is the best definition of a suspense story? (1 point) a story that tells the gory details of violent acts a story that keeps the reader on edge about its outcome** a story that tells about the struggle

asked by Anonymous on April 7, 2016
27. ## Quadratic Functions

Please explain to me how to do the following problems, I don't understand them. Thanks! Find the x-intercepts (if any) for the graph of the quadratic function. 1.f(x) = (x + 2)2 - 4 Find the y-intercept for the graph of the quadratic function. 5.y + 9 = (x

asked by Carmen on October 13, 2007
28. ## physics

A w1 = 255 N bucket is lifted with an acceleration of a = 2.00 m/s2 by a w2 = 105 N uniform vertical chain. A.Find the tension in the top link of the chain. B.Find the tension in the middle link of the chain. C.Find the tension in the bottom link of the

asked by Anonymous on October 3, 2015
29. ## PLEASE HELP!!!!!

What,if anything,is wrong with this sentence? Arriving at the circus early,seats could be selected near the center ring. A. PROPERLY CONSTRUTED SENTENCE B. COMMA SPLICE C. DANGLER D. LACKS PARALLEL PARTS I THINK THE ANSWER IS: (B)comma splice AM I CORRECT?

asked by Kourtney on October 20, 2006
30. ## ALGEBRA

Answer the questions below. Use Equation Editor when writing or solving mathematical expressions or equations. First, save this file to your hard drive by selecting SAVE AS from the File menu. Click the white space below each question to maintain proper

asked by SAMANTHA on March 9, 2010
31. ## Physics

a. An object has a mass of 33 kg. The acceleration of gravity is 9.8 m/ s^2. What is its weight on the earth? Answer in units of N. 2. What is its mass on the moon where the force of gravity is 1/6 that of the earth? Answer in units of kg. 3. What is the

asked by Emeera on February 21, 2014
32. ## Math -algebra (check plz)

ok say i was trying to find y in this equation 2x + 3y + 6z =4392. I was given x=3789-1.5y , and z = -531. so i did the working and ended up with 7578-3y+3y=7578 . If i do the math correctly ill end up with 0y = 7578 :S im pretty confused, can someone

asked by thomas on March 4, 2007
33. ## AP physics

A 0.278-kg volleyball approaches a player horizontally with a speed of 16.2 m/s. The player strikes the ball with her fist and causes the ball to move in the opposite direction with a speed of 22.4 m/s. (a) What impulse is delivered to the ball by the

asked by alba on February 22, 2015
34. ## Math (Fraction Word Problem)

You have three-fifths of a pizza leftover, and you plan to eat half of it for lunch. How much of the original pizza do you have left over? If I have 3/5 of a pizza leftover and I plan to eat 1/2 of it for lunch doesn't that mean you have to divide? This is

asked by Joey on October 27, 2016
35. ## math

If two dice are rolled, what is the probability that their sum will be a number greater than 5 ? [A]1/6 [B]1/3 [C]13/18 [D]5/6 [E] None of these. i think it is c am i right? 13/18 so i am right? What is the probability the sum is 2,3,4 or 5? If you find

asked by cassidy on October 4, 2006
36. ## Psychology

Hello all I need some help with couple questions as a refresher. 1. which of the following statements about the gate-control theory is TRUE? a. Pain impulses create a gate leading to the brain. b. the brain is capable of generating pain on its own. c. the

asked by Terry on February 20, 2012
37. ## math

i really need help with my homework so i can graduate in time. i have only 3 questions that i need help with because math is my weakest subject. so can someone please help me. 1. the formula for converting centigrade temperature to Fahrenheit is F = 9/5 C

asked by sha'kira on April 25, 2011
38. ## Physics

A 59 g particle is moving to the left at 29 m/s. How much net work must be done on the particle to cause it to move to the right at 38 m/s? .....i have tried two different ways and gotten the wrong answer. Kinetic Energy = 0.5 * Mass * (Change in

asked by Haley on November 29, 2009
39. ## Chemistry

Samples of neon and helim are placed into separate containers connected by a pniched rubber tube as shown. When the clamp is removed and the gases are allowed to mix, what is the final pressure of the neon? The volume of the tube is negligible. 5.00L, 654

asked by Miley on February 28, 2008
40. ## Geometry

What is the surface area of a conical grain storage tank that has a high of 62 meters and a diameter of 24 meters? Round the answer to the nearest square meter. A)2,381m^2 B)2,790m^2 C)2,833m^2*** D)6,571m^2 My answer is C but I think I'm wrong. I lucked

asked by Crystals on May 9, 2017
41. ## Nutrition of the young child

Laura won't drink milk or eat cheese,but she does drink juices and eat fruit.She loves bread and eats sliced meat sandwhiches.Laura's caregiver can supply the apparent deficiency in Laura's diet by adding a serving of A.fish B. breakfasr cereal. C.pudding

asked by Cynthia on April 2, 2009
42. ## Chemistry

How can I suggest a reason for the deviation for the pH of 4 M HCl? As my answer I put, The pH of 4 M HCl is negative because a molarity of an acid solution greater than 1 produces a negative pH. A negative pH means that the concentration of H+ or H3O+

asked by Meche on March 7, 2007
43. ## Concentration and Reaction

The rate of the following reaction: Radioactive decay of 90Sr, is characterized by the rate constant k = 0.024 year-1. What is the half-life (in years) for this reaction at the same conditions when the initial concentrations are 0.0356 M? (Round your

asked by Confused on November 20, 2010
44. ## Chemistry

Given four unlabeled compounds and four labels (potassium sulfate, potassium carbonate, chromium sulfate, and cobalt bromide) is there a simple test that will allow correct labelling of each compound? I take we are looking for a simple school lab type

asked by Fiona on April 13, 2007
45. ## science

Identify the fruit or vegetable you selected and relate the second law of thermodynamics to the changes in energy observed in Appendix C. How did the amount of energy gained compare to the amount of energy lost as heat at the second through fourth trophic

asked by stephanie on August 24, 2010
46. ## Physics

A)a 72 kg man jumps from a window 1.2 m above a sidewalk. the acceleration of gravity is 9.81 m/s2. what is his speed just before his feet strike the pavement? answer in units of m/s B) if the man jumps with his knees and ankles locked, the only cushion

asked by John on February 3, 2011
47. ## Math

Diane and Limore are looking at their school from the area beside the gym. From ambers point of view, the top of the school is at an angle of elevation of 48. From joeys point of view, directly closer to the school it is 68 degrees. the school is 30m high.

asked by Trigernometry on June 2, 2019
48. ## College Alegebra

The line through (1, 3) with slope of 1/2 (I used the point slope equation) y-y1 = m(x-x1) y-3 = 1/2(x-1) (work the parenthesis first) Y-3=1/2x-1/2 +3 +3 Y = 1/2x+5/2 LCD of 2 to convert fractions into whole numbers. 2y = x+5 Answer, however I need to

asked by Rick on August 24, 2010
49. ## Physics

You take a trip in your car. Starting from rest, you accelerate at 1.00 m/s2 for 10.0 s, heading north. You then stop accelerating and immediately head west at a constant speed for an additional 20.0 s, at which point, you crash into a building coming to

asked by sarah on April 10, 2016
50. ## accounting

my question is if my work enviornment is consider working in a school. 1. Would this organization be considered a sole proprietorship, partnership, or corporation? My answer: I feel that it would be a corporations because it is dealing with the school

asked by student ac on October 17, 2007
51. ## Math

q. Scott has different chores depending on the season. During the 5 warm months he mows the lawn, which takes about 1 in a half each week. During the 7 cold months, he shovels the snow when needed. This winter he shoveled show for total of 6 hours. How

asked by Destinee on February 19, 2015
52. ## Teachers Aide/Language and other Barriers

7. Besides learning to speak and read English, another goal of an ESL program is to A. prepare immigrant students for U.S. citizenship. B. help immigrant students “graduate” from bilingual classes to English-only ones. C. reduce the use by immigrants

asked by AspiringTeacherandMotherofFour on September 25, 2010
53. ## Physics

bob drop a rock from a height of 4.5 m. (the acceleration due to gravity is 9.8 m/s^2) 1.at s the initial speed of the rock 2. how long is the rock falling before it hits the ground c. what is the final speed of the rock? [I have trouble with c) My work:

asked by Ash on December 1, 2014
54. ## chemistry.

I attempted to answer some but I just don't know if what I wrote is correct so will you please help me figure out these answers. Predict the effect that the following changes or stresses would have on the given equilibrium, a) CO2(aq) CO2(aq) (Increasing

asked by Linda on May 16, 2007
55. ## grammar/english

Can someone check these for me please and if I am wrong please tell me where and why or what should i put to make it right. The following grammar sentences need to follow the rule of "Predication ",if they need no change write no change. 1.Our resolution

asked by Jasmine07202006 on October 18, 2006
56. ## help asap statistic

I need someone to check a statistic test can anyone help me. Unit 4 Test Multiple Choice 1. Which choices listed below indicate that a linear model is not the best fit for a dataset? Choose all that apply. (3 points) • Scatterplot shows a strong linear

asked by helen on January 7, 2014
57. ## Physics

You are watching your friend play hockey. In the course of the game, he strikes the puck in such a way that, when it is at its highest point, it just clears the surrounding 2.96 m high Plexiglas wall that is 14.5 m away. (Ignore any effects due to air

asked by Sam on July 5, 2015
58. ## Calculus

Company QRS generated a net profit between 1992 and 1997 at a rate approximated by 20 t + 264.5 million dollars per year, where t is the time in years since 1992. Find the value, in 1992, of QRS's net profit over the 5-year period from 1992 to 1997. Assume

asked by Brooke on December 1, 2010
59. ## Math

I have trouble solving distance rate problems. I have a worksheet that I want to complete. I will post one question in hopes that someone can break it down so I am able to solve other distance rate problems. (Step by Step please.) Thank you. An aircraft

asked by Malinda on December 18, 2015
60. ## English! - Help!

Can someone help me with these? My answer has a "***" next to it. 1. What do you think the narrator of “The Gift of the Magi” considers as having real value? (1 point) the protagonists' hard work the protagonists' wisdom the protagonists' possessions

asked by Sandy East Ward on June 3, 2014
61. ## Chemistry

A titration setup was used to determine the unknown molar concentration of a solution of NaOH. A .025 M HCl solution was used as the titration standard. The following data were collected. Trial 1 Trial 2 Trial 3 Initial NaOH Buret Reading 0.0 mL 12.2 mL

asked by Anonymous on December 9, 2018
62. ## math

Taxicab Distances Problem. Imagine that the grid lines on a coordinate grid are streets and that the distance between two points must be measured by the number of “blocks” a taxicab would have to travel horizontally and vertically to get from one point

asked by candy on July 7, 2011
63. ## Physics

A woman on a bridge 90.0m high sees a raft floating at a constant sped on the river below. She drops a stone from rest in an attempt to hit the raft. The stone is released when the raft has 6.00m more to travel before passing under the bridge. The stone

asked by mary on December 28, 2008
64. ## Statistics

Can anyone tell me how to use TI-84 calculator to solve this problem??? A company has developed a new type of light bulb, and wants to estimate its mean lifetime. A simple random sample of 12 bulbs had a sample mean lifetime of 692 hours with a sample

asked by Anonymous on June 29, 2013
65. ## MATH WORD PROBLEMS

PART A Camilla has a rectangular print that is 34 inches wide and 26 inches tall. She wants to center it on the wall above the television in her living room. The television is placed i front of a rectangular wall in the living room that is 18 1/2 feet long

asked by Andra on July 25, 2014
66. ## Math rem

2.Find the length of the arc in a circle if the radius of the circle is 24cm and the degree of the arc is 90o 3.Find the length of the arc if a circle if the degree if the arc is 120o and the length of the radius is 8cm. 4. A circle has a radius of 7. Find

asked by bs on February 11, 2013
67. ## Chem

What would a titration curve look like for 25 mL of 0.400 M NH3 (aq) with 0.200 M HCl (aq) -find initial pH -find 1/2 equivalence point pH and volume of HCl required to reach this point -find equivalence point pH and volume required to reach this point

asked by Sharon on July 18, 2011
68. ## Probability

Let X,Y,Z be independent discrete random variables with E[X]=2, E[Y]=0, E[Z]=0, E[X^2]=20 E[Y^2]= E[Z^2]=16, and Var(X)=Var(Y)=Var(Z)=16. Let A=X(Y+Z) and B=XY. 1. Find E[B]. E[B]= ? 2. Find Var(B). Var(B)= ? 3. Find E[AB]. E[AB]= ?

asked by stud81 on October 3, 2018
69. ## chemistry

If a chemistry student collected 825 mL of gas at 25 degrees C and 7.90*10^2torr, how many moles did she collect? PV=nRT Put P in atmospheres. torr/760 = atm. V is volume (in LITERS.) solve for n, the number of mols. R is a constant of 0.08206 L*atm/mol*K

asked by Chrissy on February 5, 2007
70. ## Math

Ray AF bisects angle DAB, Ray AE bisects angle DAF, and ray AD bisects angle CAF. Draw a picture that represents this situation. (I drew a picture but I still do not understand.) If the measure of angle DAB=x, find the measure of angle BAC. Answer choices:

asked by Emma on November 7, 2008
71. ## Physic help

A disk of radius 30 cm is spinning about it axis at 60rmp it deacelerate at a constant rate of 2.0 rad/s^2 until it reaches 20 rpm A find the initial and final angular speed in radians per sec B fine the time it takes to deacelerate from the initial to the

asked by Anonymous on May 16, 2017
72. ## Help pls urgent

A disk of radius 30 cm is spinning about it axis at 60rmp it deacelerate at a constant rate of 2.0 rad/s^2 until it reaches 20 rpm A find the initial and final angular speed in radians per sec B fine the time it takes to deacelerate from the initial to the

asked by Anonymous on May 16, 2017
73. ## precalc

I;m not sure if i am doing this right...I keep getting a negative intersection point, which doesn't seem possible. Please help! a) find the equatoin of line 1 which passes through (1,3) and (9,7) I get y=3+1/2(x+1)or y=1/2x+2.5 b) the line 2 is

asked by Anonymous on September 10, 2012
74. ## MATH

Find the angle between the forces given the magnitude of their resultant. (Hint: Write force 1 as a vector in the direction of the positive x-axis and force 2 as a vector at an angle θ with the positive x-axis. Round your answer to one decimal place.)

asked by ghost on February 28, 2019
75. ## math

marian has 2/3of a bag af bagles. A) she adds another 1/4 bag of bagels. what fraction of the bag is full with bagels now? B)Marian has another bag of bagelsthat is 5/6 full. what fraction describes how many more bagels are in the bag in part (A)? To add

asked by S@ on April 12, 2007
76. ## Algebra II

Working on my online math homework, I encountered this problem: Solve: (3x^-1 y^-2)^-2 (x^2 y^5)^-1 [[Spaces denote the end of the exponent.]] Because of the law of exponents that deals with negative exponents, I did the reciprocal and distributed the

asked by Kenneth on January 25, 2012
77. ## Physics

An electric motor rotating a workshop grind- ing wheel at a rate of 147 rev/min is switched off with a constant deceleration of 1.24 rad/s2. How long does it take for the grinding wheel to stop? Answer in units of s Through how many radians has the wheel

asked by Matthew on December 6, 2011
78. ## Algebra

Solve the logarithmic equation. Be sure to reject any value of x that is not in the domain of the original logarithmic expression. ln ã(x+4)=1 What is the exact solution? Select the correct choice below and, if necessary, fill in the answer box to

asked by edward on February 3, 2016
79. ## Science help

1.Some plastics are made from corn. These plastics are biodegradeable. This means that plastics made from corn will (blank) than regular plastic My answer decompose faster 2. In the ocean, there are areas where there are very few living things. (Blank) is

asked by Callie on December 15, 2014
80. ## math help please check my answer

A national garden club president thinks 70% of its members plant tulips for the spring. Phone calls were made to 100 members. Of the 91 members who responded, 76 said they plant tulips for the spring. What is the sample proportion? Round your answer to the

asked by Ashley on May 4, 2017
81. ## Language

Does anyone know the answer too, Lesson 7: Third Read: I am A Native of North America Quiz, I would like to check my answer, I would also like help on question three; In "I am A Native Of North America," Chief George expresses his view of community. In a

asked by Addy on November 13, 2018
82. ## History...

1. A student is researching both Lincoln's and Johnson's plans for reconstruction using a search engine. Which website should she visit to find information? A. Congress leads the way B. Rise of redeemer governments in the 1870s C. Political reforms in the

asked by @!!!,"*/>=&\$&#> on January 8, 2019
83. ## History re-post for 1234

1. A student is researching both Lincoln's and Johnson's plans for reconstruction using a search engine. Which website should she visit to find information? A. Congress leads the way B. Rise of redeemer governments in the 1870s C. Political reforms in the

asked by Writeacher on January 8, 2019
84. ## social studies

can someone please check my Absolute Monarchy in Spain and France Quick Check 1. What characterized Spain's golden age? A. government investment in the arts (my answer) B. the development of new technologies in science and medicine C. a reduction in

asked by .... on November 5, 2018
85. ## ENGLISH

PLEASE, PLEASE CHECK? Drama: Julius Caesar 1. Caesar returns to Rome during the: A. Easter holiday B. Feast of Lupercalia C. Feast of Diana D. Ides of March Answer: B 2. The interaction between the common people and the tribunes in the first scene

asked by Victoria on December 12, 2012
86. ## Math

I need to find the area of a shaded part. it is a square with a circle the measurements that I have are pi = 3.14 and 15 ft by 15 ft. I know to find the area of the square I take base x height but cannot figure out correct formula for subtracting the

asked by Sam on June 17, 2007
87. ## physics

Note: The direction of the acceleration ~a of the system is given in the figure. Three masses (17 kg, 21 kg and 67 kg) are connected by strings. The 67 kg mass slides on a horizontal surface of a table top and the 17 kg and 21 kg masses hang over the edge

asked by I dont like physics on November 24, 2015
88. ## Calculus

Water leaks from a tank at the rate of r(t) gallons per hour. The rate decreased as time passed, and values of the rate at two-hour time intervals are shown in the table below. The total amount of water that leaked out is evaluated by a Riemann sum. Find

asked by Alice on February 6, 2019
89. ## math: optimising

I cant figure out this homework question! I need to use optimisation to find the answer but I cant work it out :( There is a rectangular garden which is in need of fencing. Three sides of the 30m wide garden are already fenced. You own an additional 20m of

asked by Fredrick on August 8, 2014
90. ## math

Mr brown gives his class a test. The 10 girls in the class get a mean mark of 70 percent. The 15 boys in the class get a mean mark of 80 percent. Nick says that because the mean of 70 and 80 is 75 then the mean mark for the whole class in the test is 75

asked by supersupersuper on January 22, 2017
91. ## government-pos110

Which of the following characterizes the differences between House and Senate campaigns? a.House campaigns have more funding than Senate campaigns. b.House campaigns are less contested than Senate campaigns. c.House campaigns are less affected by the

asked by Michelle on November 10, 2011
92. ## Logic (quick yes or no question)

quick yes or no question Is the sun the center of the universe or the earth the center? Neither. The sun is the center of the solar system. Each individual point can be considered the center of the observable universe. The wrote answer of course is no,

asked by Bryan on November 30, 2006
93. ## Calc

"Let f(x,y)=2(x^2)y-(y^3)+x-4. a) Find the local linearization of f at (3,1) b) Compute the directional derivative of f at (3,1) in the direction towards the point (-2,3). At (3,1), is the function f increasing or decreasing in the direction towards the

asked by Brittany on March 1, 2011
94. ## physics

Consider the Earth and the Moon as a two-particle system. (a) Find the gravitational field of this two-particle system at the point that is exactly halfway between the Earth and the Moon. (Assume a radial direction r̂ from the Earth to the Moon. Express

asked by joy on February 16, 2018
95. ## construct a triangle

How can I construct a triangle ABC with vertices A(-4,2), B(4,3), C(1,-3). what are the angles in order from least measure to greatest measure Since you will have to use trigonometry to find the angles, surely you must know how to plot points. take the

asked by Sam on August 8, 2007
96. ## English - Sentences/Clauses

Hello, could you please help me with a few questions I have with English? Directions: Classify this sentence as simple, compound, complex, or compound-complex. 1. She thought she saw a stranger, but he turned out to be her neighbor who was back from

asked by Amy on January 13, 2012
97. ## PHYSICS need help now!!!

You have a summer job at your university’s zoology department, where you’ll be working with an animal behavior expert. She’s assigned you to study videos of different animals leaping into the air. Your task is to compare their power outputs as they

asked by Jcota2 on October 18, 2012
98. ## Business Communications

Which alternative indicates the message(s), if any, which can spend considerable time discussing negative aspects of a situation? A. Direct requests B. Persuasive problem-solving messages C. Sales messages D. Clearance messages This one gave me a bit more

asked by Rain Misoa on August 15, 2010
99. ## Physics

A bullet of mass 4.8 g strikes a ballistic pendulum of mass 3.3 kg. The center of mass of the pendulum rises a vertical distance of 9.7 cm. Assuming that the bullet remains embedded in the pendulum, calculate the bullet's initial speed. ....I'm getting an

asked by Ellie on October 31, 2011
100. ## Maths

A factory sells shoes at \$60 a pair. For 10 pairs of shoes there is a discount, whereby each pair costs \$58. For 20 pairs the cost is \$56 a pair and so on. Find the price of each pair of shoes on an order of 100 pairs of shoes and the total price on an

asked by Fred on October 17, 2018