Questions Asked on
October 10, 2012

  1. Math (kindergarten)

    Break apart the addends. Solve for the total sum. 18 + 21 --------

    asked by Anonymous
  2. Calculus

    Two ships leave the same port at noon. Ship A sails north at 22 mph, and ship B sails east at 12 mph. How fast is the distance between them changing at 1 p.m.? (Round your answer to one decimal place.)

    asked by Ali
  3. trig

    A survey team is trying to estimate the height of a mountain above a level plain. From one point on the plain, they observe that the angle of elevation to the top of the mountain is 24. From a point 1000 feet closer to the mountain along the plain, they

    asked by Anonymous
  4. ***PLEASE SCIENCE****

    I have this question: Which is the smallest unit of measurement for temperature? One Celsius degree: one Kelvin:one Fahrenheit. I think it is Kelvin but I can't find anywhere in my book where it refers to that. When I google all three it says Celsius &

    asked by MIKE
  5. chemistry

    Consider the following overall reaction which is experimentally observed to be second order in AB and zero order in C: AB+C -> A+BC Determine whether the mechanism below is valid for this reaction AB+ AB -> AB(sub 2) + A slow AB(sub2) + C -> AB+BC fast

    asked by michelle
  6. Physics

    A 2.0kg wood block is launched up a wooden ramp that is inclined at a 26 angle. The block's initial speed is 8.0 m/s. The coefficient of kinetic friction of wood on wood is 0.200. a) What vertical height does the block reach above its starting point?

    asked by senko
  7. chemistry

    the net ionic equation for the following molecular equation KNO2(aq) + HCl(aq) KCl(aq) + HNO2(aq)

    asked by Jasmine
  8. calculus

    a man on a dock is pulling in a boat by means of a rope attached to the bow of the boat 1ft above the water level and passing through a simple pulley located on a dock 8ft above the water level. if he pulls in the rope at a rate of 2ft/sec, how fast is the

    asked by Anonymous
  9. chemistry

    A 2.50-g sample of powdered zinc is added to 100.0 mL of a 2.00-M aqueous solution of hydrobromic acid in a calorimeter with a total heat capacity of 448 J/K. The observed increase in temperature is 21.1 K at a constant pressure of one bar. Using these

    asked by she
  10. Science

    Why are aboriginal clan systems considered a human social system?

    asked by Sammy
  11. algebra

    Find the least common multiple of the monomials. 5a squared, and 16a cubed. Also 17b squared and 3b cubed. Could you show me how to do these. Thank you, Sandy

    asked by Logan
  12. Basic Math

    How can absolute value help one to understand the size of a quantity? Give an example. I'll appreciate anyone's help thanks. :)

    asked by Eliza
  13. Geometry

    Determine whether triangle DEF is congruent to triangle PQR given the coordinates of the vertices. Explain. D(-6,1) E(1,2) F(-1,-4) P(0,5) Q(7,6) R(5,0)

    asked by Krissa
  14. Physics

    A conical pendulum is formed by attaching a ball of mass m to a string of length L, then allowing the ball to move in a horizontal circle of radius r. 1. Find an expression for the tension T in the string. (Express your answer in terms of the variables L,

    asked by Anonymous
  15. 7th grade social studies help quick please

    1. Who invented the caravel, or the first ship to be able to sail against the wind? (1 point) the Portuguese the Spanish the French The Vikings 2. What was the first country to secure a trade route to Asia around the Cape of Good Hope? (1 point) Spain

    asked by Anonymous
  16. direct an inverse variation

    The number of books checked out from the library varies directly with the number of book reports assigned. There were 3375 books checked out when there were 225 book reports assigned. How many book reports have been assigned if there are 13,500 books

    asked by Anonymous
  17. College physics - Center of mass

    College Physics- Center of Mass? The objects in the figure below are constructed of uniform wire bent into the shapes shown (Figure 1) . Each peice has a length of 0.15 . There are two objects that we need to figure out the x- and y-coordinates of the

    asked by Herosugar
  18. english

    I am writing a dialogue between two characters in "Groom Service", I don't know if I am on the right track. I will appreciate it if you culd help me to read through this conversation nad make suggestions. I really appreciate our contributuion. After Martha

    asked by Esther
  19. English

    Please I need an answer to this question: who is the antagonist in Groom Service short story. How does the author convey his/her character.

    asked by Esther
  20. Intro to programming

    Tip, Tax and Total question? Design a program that calculates the total amount of a meal purchased at a restaurant in raptor, the program has to ask user the charge of food, calculate the amount of a 15 percent tip, and 7 percent sales tax, display each of

    asked by Amy
  21. Physics

    In tests on earth a lunar surface exploration vehicle (mass = 5.90 103 kg) achieves a forward acceleration of 0.215 m/s2. To achieve this same acceleration on the moon, the vehicle's engines must produce a drive force of 1.64 103 N. What is the magnitude

    asked by Anonymous
  22. statistics

    The heights of women aged 20 to 29 follow approximately the N (64, 4) distribution. Men the same age have heights distributed as N (69.8, 1.1). What percent of young women are taller than the mean height of young men?

    asked by help
  23. phsyics

    An accelerometer in a control system consists of a 4.70 g object sliding on a horizontal rail. A low-mass spring is connected between the object and a flange at one end of the rail. Grease on the rail makes static friction negligible, but rapidly damps out

    asked by Anonymous
  24. Math help!

    Jack has the following scores on exams in his math class. 81, 87, 93, 89, 61, 81 If he wants to make his performance sound as good as possible, which measure should he use—the mean, the median, or the mode of his exam grades when he talks about how he is

    asked by Kristin
  25. physics

    A 8.80 kg bowling ball moves at 1.80 m/s. How fast must a 2.45 g Ping- Pong ball move so that the two balls have the same kinetic energy

    asked by Anonymous
  26. physics

    A 48.4 N child is in a swing that is attached to ropes 1.24 m long. Find the gravitational potential energy associated with the child relative to her lowest position when (a) the ropes are horizontal

    asked by Anonymous
  27. chemistry

    How many formula units make up 25.2 of magnesium chloride?

    asked by Anonymous
  28. Genetics

    In chickens, the Leghorn variety has white feathers due to an autosomal dominant allele. Silkies have white feathers due to recessive allele in a second gene. If true-breeding white leghorn is crossed to a true breeding white silkie, What is the expeected

    asked by Iris
  29. chemistry

    what is the molar enthalpy change when 147 g of water cools from 90.0 degrees C to 17.0 degrees C

    asked by sam smith
  30. physics

    A 7.80-g bullet moving at 520 m/s penetrates a tree trunk to a depth of 4.60 cm. (a) Use work and energy considerations to find the average frictional force that stops the bullet. N (b) Assuming the frictional force is constant, determine how much time

    asked by monic
  31. CHM

    Some of the cyclohexane solvent vaporized during the temperature versus time measurement. Will this loss of cyclohexane result in its freezing point being recorded as too high, too low or unaffected? Explain. Please someone explain this to me I don't

    asked by Adam
  32. physics

    A fox is chasing a bunny. The bunny is initially hopping east at 7 m/s when it first sees the fox. Over the next half second the bunny changes its velocity to west at 12 m/s and escapes. What was the bunny's average acceleration (magnitude and direction)

    asked by Patsy
  33. Chemistry

    If the initial pressures of the H2 and N2 in the flasks in the figure below were instead 350. torr and 160. torr, respectively, what would be the final pressure after the stopcock is opened? Left side of stopcock= 2.00L H2 Right side of stopcock= 1.00L N2

    asked by Troy
  34. Finance

    Here is a forecast of sales by National Bromide for the first 4 months of 2012 (figures in thousands of dollars): Month: 1 2 3 4 Cash sales 19 28 22 18 Sales-on-crdt 140 160 130 110 On average, 40% of credit sales are paid for in the current month, 20% in

    asked by L
  35. physics

    An object has an x-momentum of 8.5 kilogram·meters/second and a y-momentum of 9.8 kilogram·meters/second. What is resultant momentum of the object?

    asked by marie
  36. physics

    An 800 N gorilla swings from vine to vine. As the gorilla grabs a new vine, both vines form an angle of 30o with the vertical. What is the net force on each vine?

    asked by e
  37. math

    An airplane flying against the wind travels 100 miles in the same amount of time it would take the same plane to travel 140 miles with the wind. If the wind speed is a constant 40 miles per hour, how fast would the plane travel in still air?

    asked by lance
  38. chemistry

    A 230 g sample of a compound contains 136.6 g of carbon, 26.4 g of hydrogen, and 31.8 g of nitrogen. The rest is oxygen. What is the mass percent of oxygen in the compound?

    asked by michelle
  39. chemistry

    If i have .0030M BaSO4 how do I calculate the moles of sulfate?

    asked by Allie
  40. Calc 3

    The DNA molecule has the shape of a double helix. The radius of each helix is about 10 angstroms (1 Å = 10−8 cm). Each helix rises about 34 Å during each complete turn, and there are about 2.9 × 108 complete turns. Estimate the length of each helix.

    asked by Becky
  41. English

    Read each sentence then underline the helping verbs and circle the main verbs 1.Books do furnish a room helping:do main:furnish 2.I am walking to school these days helping:am main:walking 3.The water line must have burst. helping:must have main:burst 4. I

    asked by Jerald
  42. physics

    The maximum speed of a child on a swing is 4.90 m/s. The child's height above the ground is 0.525 m at the lowest point in his motion. How high above the ground is he at his highest point?

    asked by Becca
  43. Math

    A garden against the wall of a house is to be surrounded on three sides by a total of 336m of fencing. What dimensions of the garden will result in an area of 14,112m^2?

    asked by Nicholas
  44. Calculus 2

    Evalute the integral of x/(x^2+4)dx using u-substitution and then trigonometric substitution. I did this and got (1/2)ln(x^2+4)+C using u-substitution and x^2+4+C using trigonometric substitution. What did I do wrong??? thank you for helping!

    asked by Heather
  45. Statistics

    The number of traffic accidents per day on a certain section of highway is thought to be Poisson distributed with a mean equal 2.19. Based on this, how many traffic accidents should be expected during a week long period? a. 15.33 b. 10.95 c. approximately

    asked by Aria
  46. General Chemistry

    find [H3O+] and [OH-] 1)a solution that is 5.8×10−2 M in [HBr] and 1.9×10−2M in [NO3]. 2)a solution that is 0.780% HNO3 by mass (Assume a density of 1.01 g/mL for the solution.)

    asked by jv
  47. physics

    A small ball of mass 2.00 kilograms is moving at a velocity 1.50 meters/second. It hits a larger, stationary ball of mass 5.00 kilograms. What is the kinetic energy of the system after the collision if the collision is elastic?

    asked by marie
  48. Pre-calc

    Use the given zero to find the remaining zeros of the function: h(x)=x^4-15x^3+55x^2+155x-1476 Zero:5-4i I multiplied [x-(5-4i)][x-(5+4i)] and got x^2-10x+9. The example I have says to divide that by h and get a second quadratic equation that is also a

    asked by James
  49. Chemistry

    Microwave ovens emit microwave energy with a wavelength of 12.2 cm. What is the energy of exactly one photon of this microwave radiation?

    asked by she
  50. Chemistry

    This is a three part problem I need help in figuring out pleaseI n each of the questions below you are going to determine a different type of balanced equation for the same reaction. Make sure your equations have the lowest whole number coefficients

    asked by Melinda
  51. Math

    Use the following information to determine the number of people in each region of the Venn Diagram 174 people were asked which of these instruments that they could play: Piano, Drums, or Guitar. 33 people could play none of these instruments. 9 people

    asked by Shyanne
  52. Chemistry

    Calculate the concentration of an acetic acid solution prepared by mixing 13.5mL of 10.0M acetic acid with 250.0mL of .15M NaCl solution.

    asked by Caitlyn
  53. earth science

    according to the condensation theory the most important factor for the formation of our planet was

    asked by Keyonia Crowder
  54. Physics

    Show that the average speed of a rabbit that runs a distance of 30 m in a time of 2 s is 15 m/s. I have a whole bunch of problems such as these and i'm not sure what math formula to use to figure problem.I know its Acceleration ! change of velocity time

    asked by Katherine
  55. physics

    The rubidium isotope 87Rb is a β emitter that has a half-life of 4.9 x 1010 y that decays into 87Sr. It is used to determine the age of rocks and fossils. Rocks containing the fossils of early animal have a ratio of 87Sr to 87Rb of 0.004. Assuming that

    asked by Anonymous
  56. Physics- Help! Due soon!

    Two packing crates of masses m1 = 10.0 kg and m2 = 5.00 kg are connected by a light string that passes over a frictionless pulley as in the figure below. The 5.00 kg crate lies on a smooth incline of angle 40.0°. Find the acceleration of the 5.00 kg

    asked by Landon
  57. Statistics

    A 50-question true-false exam is given. Each correct answer is worth 10 points. Consider an unprepared student who randomly guesses on each question. In your solution, please be sure to show the exact steps you used to arrive at the answers. A. If 5 points

    asked by Jake
  58. Math

    The area of a rectangle is 20 square inches. The length of the rectangle is 1 inch longer than the width. What are the length and width of the rectangle?

    asked by Jay
  59. Science

    In a constant-pressure calorimeter, 70.0 mL of 0.330 M Ba(OH)2 was added to 70.0 mL of 0.660 M HCl. The reaction caused the temperature of the solution to rise from 21.27 °C to 25.77 °C. If the solution has the same density and specific heat as water,

    asked by Marika
  60. Chemistry

    This is a three part problem I need help in figuring out pleaseI n each of the questions below you are going to determine a different type of balanced equation for the same reaction. Make sure your equations have the lowest whole number coefficients

    asked by Melinda
  61. Chem

    Balance the following chemical equation (put the coefficients in order) Fe + O2 + H2O → Fe(OH)

    asked by Lena
  62. physics

    On a playground slide, a child has potential energy that decreases by 1000 J while her kinetic energy increases by only 900 J. How much energy is missing and where did it go?

    asked by Anonymous
  63. physics

    A sled loaded with bricks has a total mass of 23.0 kg and is pulled at constant speed by a rope inclined at 40.0o above the horizontal. The sledge moves a distance of 12.0 m on a horizontal surface. The coefficient of kinetic friction between the sledge

    asked by lib
  64. CHM

    Need help please Which of the following equations has the coefficients 2,1,1,2 when it is balanced? Fe2O3 + HClO4 → Fe(ClO4)3 + H2O Ca(OH)2 + H3PO4 → Ca3(PO4)2 + H2O KOH + H2SO4 → K2SO4 + H2O Ba(OH)2 + P4O10 → Ba3(PO4)2 + H2O Al2O3 + H2SeO4 →

    asked by Aliyah
  65. international economics

    assume the nation of australia is "small"

    asked by Anonymous
  66. Physics

    Three uniform spheres are located at the corners of an equilateral triangle. Each side of the triangle has a length of 3.10 m. Two of the spheres have a mass of 3.20 kg each. The third sphere (mass unknown) is released from rest. Considering only the

    asked by Anonymous
  67. Chemistry

    if a student starts with 3.000 g of lead(II) carbonate for the first reaction and all other reagents are added in excess, what is the theoretical yield of lead(II) chloride solid?

    asked by Gabby
  68. Health care Information System, Question 2

    Collecting Information Predict ways that the collection of patient information will become more efficient, expansive, and accurate during the next 20 years. Provide specific examples to support your response.

    asked by Anita
  69. Statistics

    The probability distribution of the number of accidents in Grand Rapids, Michigan, each day is given by x 0 1 2 3 4 5 P(x) .20 .15 .25 .15 .20 .05 This distribution is an example of:

    asked by Tyson
  70. Physics

    Assume a perfectly elastic collision between a 916g bat and a 145g baseball. Initially, the ball was moving at 32 m/s toward the ball and afterward it's heading away at 40 m/s. Find bat's speed before and after collision.

    asked by Nora
  71. History

    What happened when Christopher Columbus met the Taino Indians? I need as much information as I can get, as I'm writing a research report for history, thanks!

    asked by 3_3
  72. I.T

    What are some similarities between computer science and information technology?

    asked by Juanita
  73. probability

    An aircraft is equipped with three engines that operate independently. The probability of an engine failure is .01. What is the probability of a successful flight if only one engine is needed for the successful operation of the aircraft?

    asked by Mom
  74. Math

    how many positive integers not exceeding 2001 are multiples of 3 or 4 but not 5

    asked by ooooookkkkkk
  75. Algebra 2

    The Denominator of a fraction exceeds the numerator by 4. When 3 is added to both the numerator and denominator, the fraction becomes 4/5. Find the fraction.

    asked by Larry
  76. math

    In order to make the most accurate calendar, the following system was devised. Leap years occur every 4 years except for years ending in 00, but years divisible by 400 are leap years. In this case, the year is a leap year if it is divisible by 400. Which

    asked by Christina
  77. Math

    Find the limit of (2cosx+3cosx-2)/(2cosx-1)as x tends to pi/3.

    asked by Alex
  78. physical

    The pail and its contents have a mass of 60 kg. If the cable is 15 m long, determine the elevation of the pulley for equilibrium. Neglect the size of the pulley at A

    asked by taher
  79. College Physics

    A 0.35 kg stone attached to a 0.8 m long string is rotated in a horizontal plane. The string makes an angle of 20° with the horizontal. Determine the speed of the stone. I've tried tan 20= gr/v^2 = (9.8)(.8)/v^2 = 4.7 m/s and that's not the correct answer

    asked by Taylor
  80. Math

    Jason is tiling a patio. The tiles are each 1 square decimeter. The patio is 6 meters long and 4 meters wide. How many tiles will Jason need?

    asked by Girt
  81. physics

    Bob heads out into a lake at an angle of 30 with respect to the shore. If his boat is capable of a speed of 3.3 m/s, how far from land will he be in 9 min and 46 s ? Answer in units of m

    asked by Kalaber
  82. physics

    A sled loaded with bricks has a total mass of 18.0 kg and is pulled at constant speed by a rope inclined at 30.0o above the horizontal. The sledge moves a distance of 16.0 m on a horizontal surface. The coefficient of kinetic friction between the sledge

    asked by Anonymous
  83. College Physics

    College Physics- Inertia? Find the moment of inertia about each of the following axes for a rod that is 0.300 in diameter and 1.60 long, with a mass of 5.00×10−2 . How do you find this ? I know how to find the perpendicular and end . but this? About an

    asked by Herosugar
  84. math

    -3/8 times -4/9

    asked by destiny
  85. Health care Information System

    Analyze the points at which information is collected during an in-patient encounter, determine the most likely point (or points) at which mistakes in that collect could occur, and recommend steps to avoid the mistake you identified.

    asked by Anita
  86. Health care Information System, Question 4

    From your own Internet research, to find a report card for one or more of your local hospitals. From the e-Activity, discuss how you would use the information you found on the report card if you or a family member needed health care. Describe the effect

    asked by Anita
  87. Chem Problem

    I originally asked you the first question and I got the answer 7.7 but theres other parts to the problem but Im not sure what to do In the preparation of a mustard solution, an individual package of mustard was emptied into a beaker and the mass was

    asked by Kelli
  88. trig

    what is sin x = 1, what is the value of csx

    asked by jamar
  89. science

    I had to I an experiment where a balloon was tied to each end of a meter stick which was balanced on a pencil over two cans. I had to pop one balloon which caused the pencil, stick and other balloon to fall off the cans. I need to use particle theory to

    asked by Cherie
  90. maths

    prove that there are no integars p and q such that: (p/q)squared =2

    asked by jenny
  91. CHEM PROB MR BOB

    I figured all the parts of the problem except for the last one. Can you tell me what to do? In the preparation of a mustard solution, an individual package of mustard was emptied into a beaker and the mass was determined to be 3.809 grams. The mustard was

    asked by Kelli
  92. Writing

    Can you proofread this writing? I also need a good title. Theme, what comes to mind when you hear this word? When I hear this word, I think of the overall meaning or lesson of a story. In the story, “Two Kinds, by Amy Tan there were many themes that fit

    asked by Tatyina
  93. statistics

    An aircraft is equipped with three engines that operate independently. The probability of an engine failure is .01. What is the probability of a successful flight if only one engine is needed for the successful operation of the aircraft?

    asked by Mom
  94. 7th grade science weather Ms.Sue help please

    1. Which of the following facts might be related to polar climates? (1 point) Solar energy hits these regions at a low angle. Year-round temperatures are always hot. These regions lie between latitudes 23° north and 23° south. Temperatures in these zones

    asked by Delilah
  95. math

    Below is the rule for calculating the velocity of a falling object. Use this rule to calculate the rate, expressed in feet per second, that a piano, dropped 3 seconds ago, is falling. V(t) = 32t A. 192 feet per second B. 288 feet per second C. 96 feet per

    asked by lo
  96. math

    if an airplane is traveling at 245 meters per second, how many kilometers per second does it travel?

    asked by scott
  97. Chem

    Three bulbs are connected by tubing, and the tubing is evacuated. The volume of the tubing is 32.0 mL. The first bulb has a volume of 78.0 mL and contains 2.72 atm of argon, the second bulb has a volume of 250 mL and contains 2.83 atm of neon, and the

    asked by Anonymous
  98. Calculus II

    A spherical tank with radius of 5 feet is set on a coloumn 15 feet above the ground. How much work is required to fill the tank with water if the solution is pumped from ground level?

    asked by Jerry
  99. Reading ASAP

    Changing sentences for complex sentences 1.The stray cat took refuge in an old cardboard box to keep warm. 2. Some students find it difficult to make the transition to a new school 3. Jesus suffered from persecution due to his religious beliefs.

    asked by Anna
  100. Physics- Elena please help!

    A sled loaded with bricks has a total mass of 18.0 kg and is pulled at constant speed by a rope inclined at 40.0o above the horizontal. The sledge moves a distance of 16.0 m on a horizontal surface. The coefficient of kinetic friction between the sledge

    asked by Anonymous
  101. Chemistry

    What electron transition in a hydrogen atom, ending in the orbit 5, will produce light of wavelength 3040 ?

    asked by Anonymous
  102. Math Help!

    What is the scientific notation of 95? Please give a simple explanation! Thanks, sorry i keep posting this question!

    asked by Unknown
  103. math

    A regular triangular pyramid has an altitude of 15.0 m and the base is 8.00 m on a side. Find the area of a section made by a plane parallel to the base and 8.00 m from the vertex.

    asked by david
  104. math

    This is the Crailsheim water tower in Baden-Württemberg, Germany. Its construction was completed in 1912. The base of the tower is a graduated cylinder about 19.2 m high with a diameter of 11.5 m at the base and 8.1 m at the top. a)The spherical tank

    asked by david
  105. Science

    24.62 g of nickel heated and then immersed in 200ml of water. the temperature of the water rose 22.50c to 32.20c.The specific heat of NI is .470J/g*C. What is the temperature of the Ni before it is immersed in the water?

    asked by Me
  106. English

    Word box: barrage bigot designate diversity enigma gloat global illusion infuriate motivate pacifist queue restrict sage slake terrain vocation vow waylay wither Choose the same word or most nearly to the words in parenthesis 1.A dirty look made me (droop)

    asked by Jerald
  107. social studies

    what state can be found at 60 degrees north latitude and 150 degrees west longitude?

    asked by jade
  108. Chem Problem

    I originally asked you the first question and I got the answer 7.7 but theres other parts to the problem but Im not sure what to do In the preparation of a mustard solution, an individual package of mustard was emptied into a beaker and the mass was

    asked by Kelli
  109. physics

    A car slows down from 40 km/hr to rest in a distance of 72 m. What was its acceleration

    asked by terrell
  110. None

    What is irrational numbers?

    asked by Moesha
  111. Basic Math

    How can absolute value help one to understand the size of a quantity? Give an example. I'll appreciate anyone's help thanks. :)

    asked by Eliza
  112. time and stress management

    to analyze exactly what to do with your time ,you need to (a)write down everything that you do in a time inventory (b)buy a daily planner could someone please help me ,i feel it could be either one of these

    asked by susue
  113. 7th grade health question

    1. What does smart snacking mean? (1 point) Eat while you are studying Eat what your brain tells you to eat Eat nutrient dense foods Read a cookbook 2. What is NOT a way to keep foods safe? (1 point) If it looks and smells okay, it is safe to eat Wash

    asked by Delilah
  114. science

    if 25 ml of sugar is mixed with 299 ml of water and then 50 ml of water is poured out, how much sugar remains in the 150 ml of wtare?

    asked by bob
  115. CHEM HELP ASAP

    I figured all the parts of the problem except for the last one. Can you tell me what to do? In the preparation of a mustard solution, an individual package of mustard was emptied into a beaker and the mass was determined to be 3.809 grams. The mustard was

    asked by Kelli
  116. math30

    The equation of the hyperbola is (x-3)^2/4 - (y+1)^2/16 =-1. What is the range? All I know is this but I am not even sure what I am doing!! My answer: The general form of the equation of a horizontally aligned hyperbola is: (x-h)^2/a^2 - (y-k)^2/b^2 =1. So

    asked by alejandro
  117. Calculus

    Find the number of cells present after 9 days given the function: f(x)=111.6e^(.44794t)+288.4

    asked by Truc
  118. Statistics

    A sample of 50 values produced the following summary statistics: Q1 = 10, Q2 = 14.6, Q3 = 16.7 and x = 15.3. Based on this information, the left and right ends of the box in a box and whisker plot are, respectively, a. 10 and 14.6 b. 14.6 and 16.7 c. 10

    asked by Aria
  119. Chemistry

    According to Hund's rule,electrons occupy equal energy orbitals so that a maximum number of UNPAIRED electrons results. True or False

    asked by Anonymous
  120. Business Math - Please Help is Possible!

    Import exclusives Ltd. received an invoice dated June 28 from Dansk Specialties of Copenhagen with terms 5/20, n/45: 100 teak trays at $34.30 each; 25 teak ice buckets at $63.60 each; 40 teak salad bowls at $54.50 each. All items are subject to trade

    asked by Steph
  121. direct an inverse variation

    The number of books checked out from the library varies directly with the number of book reports assigned. There were 3375 books checked out when there were 225 book reports assigned. How many book reports have been assigned if there are 13,500 books

    asked by Anonymous
  122. Chemistry

    Molarity of NaOH solution = 0.06115 Volume of NaOH used = 15.50 mL Volume of unknown Sample = 10.00 mL Find the Moles of NaOH used? Find the molarity of H3PO4? Thanks!

    asked by Fred
  123. Chemistry

    Most of the matter in the universe is of which element? How and where do elements more complicated than this form?

    asked by Anonymous
  124. English

    Complete the sentence by writing the correct form of the verb shown in parenthesis. "It has _______," Martin said matter-of-factly. (burst)

    asked by Emma
  125. Grammar

    Which is correct? British powerful army Or British's powerful army I think the first one is right.

    asked by Anonymous
  126. math

    how do you do this table? (gx2)-3 ?

    asked by adrian
  127. A.P. Environmental Sciences

    .5 grams of pure copper sulfate powder and 2L of water were used to create a copper sulfate solution with a concentration .5ppm. How was this done?

    asked by Michelle
  128. Calculus

    F(x)=|x-5| evaluate the following limits lim x->5- ( f(x)-f(5))/(x-5) lim x->5+ ( f(x)-f(5))/(x-5)

    asked by Marissa
  129. 9th grade living enviroment

    I Really need help i need 2 write in a paragraph a correalational study i really really need help.. PLEASE

    asked by ebony
  130. physics

    if a football kicked at ground level at 24.4 m/s at a 24 degree angle from horizontal. how long does it take for the football to hit the ground

    asked by quadlo
  131. English

    I am a bit stumped here. Working on syllogisms. To be a valid syllogism, the conclusion must be proven by the reasons. We are to decide if te following are valid or invalid. 1. All zebras are striped animals. No zebras are polar bears. Therefore, no polar

    asked by m
  132. physics

    A spring gun (k = 27.1 N/m) is used to shoot a 51.1-g ball horizontally. Initially the spring is compressed by 16.5 cm. The ball loses contact with the spring and leaves the gun when the spring is still compressed by 11.5 cm. What is the speed of the ball

    asked by Liz
  133. pre-ap Algebra 2

    write a polynomial function f of least degree that has the rational coefficients, a leading coefficient of 1, and the given zeros. Given zeros: -2,2,-1,3, sqrt 11

    asked by Sam
  134. Ashford University

    Evaluate the ways in which the legacy of slavery has prevented the United States from building a more just society, supporting your evaluation with the textbook and additional sources. Define what Dr. King’s refrain, “free at last,” looks like to you

    asked by Leah
  135. Fractions to Decimals

    1/10=0.1 7/10=0.7 48/100=0.48 1/5=0.2 2/4=0.50

    asked by Jerald
  136. math

    The second of three numbers is 1 less than than the first. The third number is 5 less than the second. if the first number is twice as large as the third, find the three numbers. write an equation and find the numbers please help me

    asked by k
  137. science

    An aircraft travels through the air with a velocity of 200m/s due east. It is found to be travelling over the ground with a velocity of 220m/s in a direction of 20(degree) south of east.The difference between the two is due to thw wind velocity. What is

    asked by liam
  138. time and stress management

    once you've determined your long and short term goals you can use ?to determine how to best use your time (a)filing system (b)tickler file (c)monthly calendar (d)to do list really not sure if its c or d could someone please help me

    asked by susue
  139. MATH

    WHAT IS THE PLACE VALUE OF THE 8 IN 7.81

    asked by Anonymous
  140. Mathematics Blue

    A person is trying to fill her new swimming pool for the first time. Water is flowing into the pool at a constant rate of 30 liters/min. Unfortunately there is a hole and a crack in the pool from which water is leaking. Water is leaking out of the hole at

    asked by Blueberry P
  141. Stoichiometry

    A gas mixture at 27 C and 750 torr contains acetone vapor with 70% saturation. Calculate the temperature to which the gas must be cooled, at constant pressure to condense 40% of the acetone.

    asked by Annie
  142. History

    During the Song Dynasty, Jurchen invaders from the North forced the Song to withdraw past the a.Gobi Desert b.Himalayas c.Yellow River d.Yangtze River e.Mekong Delta

    asked by Billy
  143. CHEM HELP ASAP

    I figured all the parts of the problem except for the last one. Can you tell me what to do? In the preparation of a mustard solution, an individual package of mustard was emptied into a beaker and the mass was determined to be 3.809 grams. The mustard was

    asked by Kelli
  144. algebra

    explain how to get answer and what is answer 14 times x to the power of 16 divided by 6 times x to the power of 11

    asked by jacob
  145. math

    Amy and Kim found a sale in a sporting goods store. Amy spent $33 on 2 pair of shorts and 3 packages of socks. Kim spent $27 on 1 pair of shorts and 5 packages of socks. How much does one of each item cost?

    asked by kim
  146. physics

    A block of mass 2.50 kg is pushed 2.80 m along a frictionless horizontal table by a constant 12.0 N force directed 25.0° below the horizontal. (a) Determine the work done by the applied force. J (b) Determine the work done by the normal force exerted by

    asked by monic
  147. physics

    Tarzan swings on a 34.0-m-long vine initially inclined at an angle of 33.0° with the vertical. (a) What is his speed at the bottom of the swing if he starts from rest? m/s (b) What is his speed at the bottom of the swing if he pushes off with a speed of

    asked by monic
  148. earth science

    Astonomers think planets formed from interstellar dust and gases that clumped together in a process called

    asked by Keyonia Crowder
  149. Math

    The digits 1,2,3,4,5,6,7,8,9 are used to form four two-digit prime numbers, with each digit used exactly once. What is the sum of these four primes

    asked by ooooookkkkkk
  150. maths

    Let ABC be a triangle in the plane. Find circles C0;C1; : : : ;C6 such that Cj has exactly j points in common with the boundary of ABC (this \boundary" consists of the line segments AB, BC, CA). Is it possible to find a circle C7 with 7 points in common

    asked by jenny
  151. math

    At a fourth of July sale, Wanda bought a table marked for 30% off. What was the original price if Wanda paid only $84?

    asked by ashley
  152. S.S

    In which battle did the Americans win their first victory over the British? a. Lexington b. Boston c. Charleston d. Concord

    asked by jman
  153. Precalc/Trig

    Find all values of x, 0

    asked by Patrick
  154. chemistry

    How many grams of phosphoric acid can be made from 200 g of dichromate and 150 grams of hypophosphorous acid? (Performed in an acidic solution, Chromium III is one of the products)

    asked by Rae
  155. Math

    The ages in years of the houses on Kelly’s block are 20, 26, 11, 2, 28, 18, 2, and 27. Find the mean age of the houses. Find the median age. Find the mode. Which measure(s) would you use to represent the ages of the houses? Explain

    asked by Belle
  156. math

    simplify the fraction - 104/320 the negative sighn is in the middle not on top or bottom what is the answer ?

    asked by destiny
  157. Physics

    These are “plug-in-the-number” tasks to familiarize you with the main formulas that link the physics concepts of this chapter. They are one-step substitutions, much less challenging than the Think and Solve problems that follow. Average speed ! total

    asked by Katherine
  158. Linear equation

    Write a linear equation relating x and y x 0 3 6 10 y 2 8 14 22

    asked by Chan
  159. Physics,Question ,Solved but about Units?

    These are “plug-in-the-number” tasks to familiarize you with the main formulas that link the physics concepts of this chapter. They are one-step substitutions, much less challenging than the Think and Solve problems that follow. Average speed ! total

    asked by Katherine
  160. math

    crusty bought balloons at 5 for $1 and sold them 3 for $1. if his profit from selling balloons was $20, how many balloons did he sell? 1- how much did crusty make for every balloon? 2- what open sentence (equation) would we wite to solve this?

    asked by micaela
  161. Linear Algebra

    1. Considering 2 planes with equations: x + 2y - 3z = 1 x + 2y - 3z = 18 (a) Given (a,b,c) a point on the first plane, find the point where the line perpendicular to both planes passes by (a,b,c) and through the 2nd plane.

    asked by Ben
  162. Health care Information System, Question 3

    From your own Internet research, to find a report card for one or more of your local hospitals. "Using Information" Please respond to the following: Create a very brief scenario (1-2 sentences) in which specific information should be collected. Determine

    asked by Anita
  163. English

    Seals balance balls on their noses on command. Is command the object of the prep. on

    asked by Mark
  164. chemistry

    could donuts be quantified in terms of instead of number explain? here's my answer but not sure of it: sure...but, since the mass of donuts varies, if you ordered say a pound of donuts at dunken donuts, you may get a partial donut or two. for that matter

    asked by tracy
  165. Grammar

    What are the nouns in the sentence whales have brains as big as watermelons.

    asked by Michele
  166. Health

    What causes depression? A. Genetic issues B. Biochemical issues C. There is no known cause D. Environmental issues Reset Selection

    asked by Margaret
  167. chemistry

    could donuts be quantified in terms of mass instead of number explain? here's my answer but not sure of it: sure...but, since the mass of donuts varies, if you ordered say a pound of donuts at dunken donuts, you may get a partial donut or two. for that

    asked by tracy
  168. Statistics

    In two-sample testing, when is it appropriate to use a t test or a z test

    asked by Anonymous
  169. Algebra

    How can you tell by looking at a table if its quadratic, linear or exponential? For ex. x: -2, -1, 0, 1, 2 y: 6, 1, 0, 1, 6

    asked by Emma
  170. chemistry

    what volume of water should be weighted out to represent one mole of water molecules at 20 degree C

    asked by tracy
  171. chemistry

    How many water molecules are in the recommended volume of water (1.50L) that should be consume daily?

    asked by tracy
  172. phyics

    A train at a constant 44.0 km/h moves east for 42 min, then in a direction 45.0° east of due north for 17.0 min, and then west for 51.0 min. What are the (a) magnitude (in km/h) and (b) angle (relative to north, with east of north positive and west of

    asked by D
  173. AP Environmental Science

    Consider the following heats, copper: 0.384J/g degrees, glass:0.502J/g degrees, water: 4.18J/g degrees, and lead:0.159J/g. Which substance once warmed, would be more likely to maintain its heat and keep you warm through a long party on a cold night?

    asked by Becca
  174. chemistry

    a new compound composed of just Hex-Nuts and bolts is formed.A 13.7 Kg sample of the new compound is separated into its component elements with the following result 3.84 kg. of hex-nuts and 9.90 kg of bolts. 1. How many hex-nuts are present in the 13.7 kg

    asked by Amanda
  175. Calculus 2

    find the integral of x/(x^2+4)dx using trigonometric substitution.

    asked by Heather
  176. chemistry

    In a bunsen burner experiment, when you place a piece of soot covered chalk over the hottest part of the flame, it changes back to a white color. What is the equation for this process? Thank you

    asked by Samantha
  177. History

    In conjunction with the backlash against Buddhism and the revival of Confucianism, women during the Song period entered a long period of cultural subordination, legal disenfranchisement and social restriction True False

    asked by Jim
  178. math

    mrs. karson's music class includes both 6th and seventh graders. the ratio's of 6th graders to students ine the class is 4:7. there are 9 seventh graders in the music class how many students sre in the class?

    asked by tas
  179. English 8R - Project help!!!

    Is there any pictures of Las Vegas back in 2006 (not 2007-present). Me and my other friends are doing this project for English about the an urban location so we choose Las Vegas. So I have to look some pictures for our powerpoint presention.

    asked by Laruen
  180. physics

    how much weight ca lift aperson in moon who can lift 50kg in moon -how to solve it

    asked by saleem
  181. science

    Who was One of the first people to state that matter is made up of atoms was A. Democritus B. Rutherford C. dalton D. Aristotle

    asked by juliana
  182. world geography

    the earliest europeans to come to africa:a.were the dutch b. landed a few times but did not consider the continent valuable. c. were the spanish. d. traded for several centuries before establishing colonies.

    asked by Anonymous
  183. trig

    what is 7pi/3 in degree .13pi/3 in degree

    asked by L
  184. Drbob Chem

    Why does it not matter whether the OH groups are cis to one another in the furanose ring or trans to one another? Please help!

    asked by Hdhbnj
  185. math

    A 15 m ladder leans against a wall,its bottom is 9m from the wall. How much would the lower end have to be pulled away from the wall so that the top of the ladder would slide down the same amount?

    asked by MIG
  186. Chemistry

    If I spill 100ml of a .5 M H3PO4 solution, how many grams of NaOH should be dissolved in water and added to the spill to neutralize the acid?

    asked by Loretta
  187. Chemistry

    If I spill 100ml of a .5 M H3PO4 solution, how many grams of NaOH should be dissolved in water and added to the spill to neutralize the acid?

    asked by Loretta
  188. Chemistry

    How many times more energy is associ- ated with a 282 nm ultraviolet photon than a 5494 nm microwave photon?

    asked by Brad
  189. Political Science

    What are the factors that keep an ideology alive? How does an ideology survive through decades? Is it because of the people, economic structure of a state or simply that once an ideological concept has been developed that it cannot truly disappear?

    asked by Larry
  190. math

    Together, Misty and Keith caught 29 fish. Keith caught 5 fewer fish than Misty. How many did they each catch?

    asked by Bert
  191. Statistics: Regression

    The June 1997 issue of Management Accounting gave the following rule for predicting your current salary if you are a managerial accountant. Take $31,865. Next, add $20,811 if you are top management, add $3604 if you are senior management, or subtract

    asked by Brad
  192. Math

    Make up a data set of at least 12 numbers that have the following landmarks. maximum 18 mode 7 range 13 median 12

    asked by Ja'mes
  193. History

    Did Beatrix Potter have children? How many children did she have? She gave what she had to the National Thrust. I mean the author of the tale of Peter Rabbit. And were can I find the movie Miss Potter about Beatrix Potter?

    asked by rfvv
  194. Language Arts

    Having trouble on when to use a comma and when to use a semicolan with transitional phrases. For example, in the sentence, "The trees could not protect us from the thunderstorm therefore we had to go in to keep from getting wet." Would it be punctuated as

    asked by Brandi
  195. Math

    Explain how you would use the distributive property to multiply 36 by 99.

    asked by Richard Kalu
  196. math/algrebra

    find the first five terms of the sequence whose nth term is given. (-2)^n + 2^n

    asked by Stacie
  197. math

    the greater of two numbers is 1 more than twice the smaller. three times the greater exceeds 5 ties the smaller by 10. find the numbers and write the equation. please help me

    asked by k
  198. algebra

    -1/2m > -7

    asked by jr
  199. statistics

    The HR department of an organization collects data on employees' age, salary, level of education, gender, and ethnicity. Which data is more likely to follow normal distribution? Why?

    asked by Bob
  200. History

    how did the indians feel about being colonised by the brittish? and what was the relationship between the brittish and the indians?

    asked by Lauren
  201. physics 101

    50kg drops from a height of 2meters straight down with a force constant of 8 x 1000n/m. What maximum distance does she compress?

    asked by edmund
  202. Political Sci

    What changed, if anything, in the American political culture between 2004 and 2008? Further, please feel free to examine changes to 2012, and how they might influence this year's November presidential and congressional elections.

    asked by Dave
  203. math

    if a+b=10 and ab=16.find the value of a^2-ab+b^2 and a^2+ab+b^2

    asked by TUHITUHI
  204. physics

    5 usage for electricity.(in points)

    asked by sumi
  205. IT

    Write a program that will give the interest rate for a new car loan based on a credit score. Credit score Interest Rate 850-720 5.56% 719-690 6.38% 660 689 7.12% 625-659 9.34% 590-624 12.45% Below 590 no credit issued. Display the user input credit score

    asked by alhaji
  206. Math

    Would you use a benchmark of 1000 to estimate the number of shoes in your classroom? Explain

    asked by LASIK
  207. physics

    If the distance x is 131 meters and the red car is traveling at 7.1 mph, how fast to the nearest hundreth is the blue car traveling?

    asked by beth
  208. Physics

    Two students are on a balcony 22.3 m above the street. One student throws a ball, b1, vertically downward at 19.2 m/s. At the same instant, the other student throws a ball, b2, vertically upward at the same speed. The second ball just misses the balcony on

    asked by .
  209. Linear Algebra

    1. Considering 2 planes with equations: x + 2y - 3z = 1 x + 2y - 3z = 18 (a) Given (a,b,c) a point on the first plane, find the point where the line perpendicular to both planes passes by (a,b,c) and through the 2nd plane.

    asked by Ben
  210. math

    prove that a^2+b^2+c^2-ab-bc-ca is always non negative for all the value of a' b and c

    asked by TUHITUHI
  211. math

    The second of three numbers is 1 less than than the first. The third number is 5 less than the second. if the first number is twice as large as the third, find the three numbers. write an equation and find the numbers

    asked by k
  212. IT

    Write a program that will give the interest rate for a new car loan based on a credit score. Credit score Interest Rate 850-720 5.56% 719-690 6.38% 660 689 7.12% 625-659 9.34% 590-624 12.45% Below 590 no credit issued. Display the user input credit score

    asked by saleh
  213. reading

    why do the Lina and Doon think tat their arrival has been expected, in the book CITY OF EMBER

    asked by samantha
  214. Physics

    Two railroad freight cars with masses 110 Mg and 170Mg approach with equal speeds of 0.330 . They collide, the lighter car rebounding opposite its original direction at 0.270 m/s. Find the velocity of the heavier car after the collision. Assume the

    asked by Lily
  215. Science

    What products is formed when zinc is added to dilute hydrochloric acid?

    asked by Juanita
  216. math

    40 minutes is what fraction of an hour

    asked by Anonymous
  217. hist

    Which of the following was a problem faced by the average Chinese citizen during the Song dynasty? a.the shrinking use of the civil service exam and thus the lack of opportunity to obtain a government position b.the control of the Chinese treasury by

    asked by ron
  218. Statistics

    25 students test grades (possible scores 0 to 100)has a standard deviation of 15. What logically follows???

    asked by Gina
  219. intro programming

    (algorithm workbench) Write assignment statements that perform the following operations with the variables a,b, and c.

    asked by Amy
  220. English

    Writing with Possessive Nouns Directions Use possessive nouns or strong nouns to replace each capital lettered phrase. EXAMPLE:THE SADDLE THAT BELONGS TO MY HORSE is made of leathe. My horse's saddle is made of leather. 1.When I stay at the farm, I do many

    asked by Emily
  221. math

    Brandon is reading a book Flatland and notices that the product of the numbers of the two pages his book is open to has a units digit of 6. What is the units digits of the sum of the two pages numbers?

    asked by Jimmy
  222. algebra

    approximate square root to the nearest integer-------- square root of 46

    asked by lynn
  223. Math

    Find all values of x, 0

    asked by Patrick
  224. physics

    Find moment of inertia of a disc?

    asked by Purnima
  225. psychology

    Can you help reccomend a good theorist and theory to type an 8 page report to find journal articles as well. I was thinking possibly Freud psychoanaylis theory or maslow hoistic dynamy theory thanks

    asked by Elisabeth
  226. Algebra

    What is the additive inverse of -2^5?

    asked by Stacie
  227. Astronomy

    A polar satellite, in a low Earth orbit passing over both poles, makes 16 orbits each day. Viewed from Earth, how far apart in longitude are its consecutive passes over the equator?

    asked by Scarlett
  228. math

    Let s be the sum of ten consecutive integers and let p be their product. Explain why the units digit of P-S must be 5.

    asked by Jimmy
  229. math

    1/5 divided by 3/10 ?? need asap thanks :)

    asked by destiny
  230. math

    - 5/8 divided by 3/4 the negative sighn is in the middle of the 1 and 5

    asked by destiny
  231. English

    9.Raphael has been practicing karate since the age of ten helping:has been main:practicing 10.Your hard work will not be wasted helping:will be main;wasted

    asked by Jerald
  232. S.S

    The general purpose of the Continental Congress was to ________ a. write a new constitution for America. b. unite the colonies in their opposition to British policies. c. draft a treaty between the colonists and the French. d. decide what to do with new

    asked by jman
  233. Math

    Find all values of x, 0

    asked by Patrick
  234. Math

    Find all values of x, 0

    asked by Patrick
  235. Math

    Find all values of x, 0

    asked by Patrick
  236. English

    The US has laws that (restrict,waylay) the numbers and kinds of immigrants allowed to enter this country restrict? By the time you are old enough to enter the workforce many (vocations sages) that are important today may not even exist anymore vocations?

    asked by Jerald
  237. math

    45 divide by 9 + m x 3 = 23? Help??

    asked by timothy
  238. math

    what is 1/5 divided by 3/10 simplified ? i need this asap !!! by today

    asked by destiny
  239. Calculus

    How do you go from ln(x^10)+e^ln(x) to 10ln(x)+x

    asked by kieran
  240. math

    how to find monthly salary

    asked by shian
  241. math

    Suppose the U.S. federal debt was $9,400,000,000,000. Let's say that the decision was made to reduce the debt by $10 million per day. How long would it take to pay off the debt at this rate? (Round your answer to the nearest year.)

    asked by Christina
  242. math

    you can add 20,26,11,2,28,18,2,27 and divide by number of numbers

    asked by shian
  243. math

    what is true of all values of x that will make divisible 2*x by6

    asked by bryant
  244. math

    Angela practices her long jump before a big track meet. At the beginning of the week ,she jumps 1.56 meters and at the end of the week she jumps 1.63 meters .How much farther did she jump at the end of the week than at the beginning of the week answers

    asked by destiny
  245. math

    john worked from 8;15 to 2;30 from monday to friday if he is paid twenty four dollars per hour calculate his monthly salary please help me

    asked by shania
  246. Math

    What is the scientific notation of 95? Please give a simple explanation! Thanks :)

    asked by Unknown
  247. math

    In order to travel from Valley town to mountain City, you have to travel 1 3/4 part way and 2 1/5 miles from partway to mountain city . what is the total distance that you travel? A. 3 4/9 B. 3 17/30 c. 3 19/20 d. 4 miles * need answer asap

    asked by destiny
  248. chemistry

    how are the elements in a pair of isotopes the same? how do they differ? And also if you know anything about the atomic structure phrase apeman i could use some serious help right now i have a test tommoro and i cant remember all the material

    asked by amanda
  249. Math (please help)

    What is the scientific notation of 95? Please give a simple explanation! Thanks :)

    asked by Unknown
  250. geography

    Is this correct? The Caribbean Sea is the second largest sea in the world that is south of cuba.

    asked by alex
  251. Fashion and fabrics

    what is dispossal of fllness?

    asked by Lucy
  252. Physics

    Two boys of the same mass, 45 kg, are on a playground merry-go-round that has a diameter of 4.0 meters. Both boys are at the very edge of the ride. One boy stands with the coefficient of friction between his shoes and eh ride being .45 whereas the other is

    asked by Chris
  253. math

    how many 2 inch pieces can be cut from a 10 foot bar

    asked by ali
  254. Reading

    Changing sentences to COMPLEXS sentences. 1. The drought caused deprivation of food and clean water in the town 2. Many people can interpret things in a way that you didn't mean 3. The book on Ancient Greece gave me some insight as to what their life was

    asked by Anna
  255. Physics

    Two masses m are attached to two vertices of an equilateral triangle made of three massless rods of length l. A pivot is located at the third vertex, and the triangle is free to swing back and forth in a vertical plane. If it is initially released from

    asked by Anonymous
  256. math

    5 3/100 into a decimal simplest form

    asked by elijah
  257. English

    World War II was a truly (global pacifist) struggle, fought in all parts of the world by people of every race and background global? She is never bored because she has great (enigma diversity) of interests ranging from folk dancing to mathematics

    asked by Jerald
  258. P

    Calculate the magnitude of the gravitational force exerted on a 1,405-kg satellite that is a distance of two earth radii from the center of the earth.

    asked by Anonymous
  259. physics

    f M and m are particles connected by light inextensible string. M is held at center and rotated about horizontal axis as M is in equilibrium.What is torque ABOUT ITS CENTER

    asked by anil jha
  260. maths

    A chemical engineer designed a 625 ft long tailings channel to have a rhombus cross-section that is 9.5 ft deep, with walls sloping at an acute angle of 44„a. A contractor placed a bid to excavate the canal at $195/cubic yard plus 20% profit. What was

    asked by david
  261. Math

    "All Items 20% Off Marked Price" is a sign at a local golf pro shop. Create a function and then use it to determine how much one has to pay for each of the following marked items: a $9.40 hat, a $13 umbrella, a $65 pair of golf shoes, a $12.60 golf glove,

    asked by Taylor
  262. English

    Find the word that means the same or almost in parenthesis in this story A range of factors (Motivated) immigrants to leave their homelands to come to America. Many sought to escape poverty or prejudice. Some wanted to follow dreams, such as promises of

    asked by Jerald
  263. Chem

    Which of the following ionic compounds are soluble in water? Potassium perchlorate Lithium phosphate Lead nitrate Barium perchlorate Lead iodide

    asked by Tyna
  264. calculus

    Make a singn diagram for the derivative of the function f(x)= (x-1)^4

    asked by Chelle
  265. Chemistry

    Write the molecular equation for the combination of aqueous solutions of sodium chloride and silver nitrate. Enter your answer as the sum of all coefficients.

    asked by Melinda
  266. Elementary Math

    -0.1

    asked by Chris
  267. physcis

    A 100.0 kg base runner begins his slide into second base when he is moving at a speed of 4.70 m/s. The coefficient of friction between his clothes and Earth is 0.550. He slides so that his speed is zero just as he reaches the base. (a) How much mechanical

    asked by Anonymous