Questions Asked on
October 13, 2011

  1. chemistry

    Write the balanced molecular, complete ionic, and net ionic equations for the following reactions in aqueous solution: a. magnesium chloride reacts with potassium carbonate b. sulfuric acid reacts with sodium hydroxide

    asked by gold
  2. ALGEBRA 2

    WHAT IS THE RIDDLE TO ALGEBRA WITH PIZZAZZ WORK SHEET 56??

    asked by ANGELO
  3. Physics

    A sled is being held at rest on a slope that makes an angle (theta) with the horizontal. After the sled is released, it slides a distance (d1) down the slope and then covers the distance (d2) along the horizontal terrain before stopping. Find the

    asked by Mary
  4. calculus

    At noon, ship A is 110 km west of ship B. Ship A is sailing east at 25 km/h and ship B is sailing north at 15 km/h. How fast is the distance between the ships changing at 4:00 PM?

    asked by John
  5. Physics

    Two equal charges are separated by 3.7 x 10^-10 m. The force between the charges has a magnitude of 2.37 x 10^-3 N. What is the magnitude of q on the charges? can some one explain to me how to do this step by step. Not that great at math hope you can help.

    asked by aichan
  6. Chemistry

    Acetylene gas, C2H2, is used for welding. A 5-liter supply of acetylene being stored at -23ºC, exerts a pressure of 5 atm. At what temperature would the same number of moles of acetylene, moved to a 10-liter container, produce a pressure of 2 atm?

    asked by Anonymous
  7. CHEMISTRY

    What coefficients are needed to balance the equation for the complete combustion of methane? Enter the coefficients in the order CH4,O2,CO2, and H2O,respectively. Express your answer as four integers, separated by commas (e.g., 1,2,3,4).

    asked by CHRIS
  8. Physics

    five hundred kcal of heat is added to 2-kg of water at 80 degree Celsius. how much steam is produced?

    asked by xam
  9. geometry

    in the diagram below of triangle abc, de is a midsegment of triangle abc, de=7, ab=10, and bc=13.find the perimeter

    asked by joe
  10. Physics

    Suppose two boxes on a frictionless table are connected by a heavy cord of mass 1.0 kg. Calculate the acceleration (magnitude) of each box and the tension (magnitude) at each end of the cored, using the free-body diagrams shown in Figure 4-53. Assume FP =

    asked by Sydney
  11. Physics

    what is the moment of interia of a solid cylinder of radius R=0.0950m thickness t=0.015m total mass M=3.565kg? show your work

    asked by Arthur
  12. Math

    (1) Attack of the 50ft Turnip plays at 7:10. It is now quarter to seven. How long before the movie starts? (2) It takes 30 minutes to drive to the movie theater. They Saved Frankenstein's Lunch begins playing at ten after 1. What is the latest you can

    asked by Little Lisa
  13. math

    A ball is thrown from the edge of a cliff with an initial velocity of 60·m/s upward. Answer the following questions using + (upward) and - (downward) to indicate the direction of the velocity. Ignore air resistance and assume the ball does not hit the

    asked by jen
  14. chemistry

    A scientist wants to make a solution of tribasic sodium phosphate, Na3PO4, for a laboratory experiment. How many grams of Na3PO4 will be needed to produce 400 mL of a solution that has a concentration of Na+ ions of 1.00 M?

    asked by Colin
  15. statistics

    A telemarketing supervisor tells a new worker that the odds of making a sale on a single call are 4 to 15. What is the probability of a successful call? (Enter your answer to 2 decimal places.)

    asked by Anonymous
  16. Chemistry (PLEASE HELP ME)

    1. According to the phase diagram for water, how is the state of water determined? a. proceed up a vertical line at any given temperature b. read the phase at the intersection of any given temperature and pressure c. at a given pressure, proceed

    asked by Angel
  17. science

    spent steam from an electric generating plant leaves the turbines at 120.0 C and is cooled to 90. 0 C liquid water by water from a cooling tower in a heat exchanger. How much heat is removed by the cooling tower water for each kg of spent steam?

    asked by doug
  18. Math

    the height of a rocket above the ground is modelled by the quadratic function h(t)=-4t^2+32t a) how long will the rocket be in the air ? how do you know? b) what is the maximum height that the rocket will reach ?

    asked by Melissa
  19. Chem

    1. According to the phase diagram for water, how is the state of water determined? a. proceed up a vertical line at any given temperature b. read the phase at the intersection of any given temperature and pressure c. at a given pressure, proceed

    asked by Angel
  20. Physics

    The critical angle for a transparent material in air is 30 degrees. The index of refraction of the material is most nearly A) 0.33 B) 0.50 D) 1.5 E) 2.0

    asked by Astrogirl
  21. Algebra

    A jet leaves the Charlotte, North Carolina, airport traveling at an average rate of 564 km/h. Another jet leaves the airport one half hour later traveling at 744km/h in the same direction. Use an equation to find how long the second jet will take to

    asked by Brianna
  22. physics

    A race car enters a flat 200 m radius curve at a speed of 20 m/swhile increasing its speed at a constant 2 m/s2. If thecoefficient of static friction is .700, what will the speed of thecar be when the car beings to slide?

    asked by holt
  23. chemistry

    The laboratory technician accidentally mixed NaHCO3 with BaCl2*2H2O instead of KCl when preparing unknown mixtures for this experiment. How would this mistake affect the calculated percentage of NaHCO3 in the mixture? Justify your answer with an

    asked by Gary
  24. using an expanded algorithm

    How do I use an array to find partial products for 4x36?

    asked by acid burn
  25. English

    Which of the following are characteristics of allegory? A. Immitation B. Humor C. Didacticism D. Spiral Plot C. Music

    asked by Britt
  26. Chemistry

    What mass of NaCl is needed to precipitate all the silver ions from 20.0 mL of 0.100 M AgNO3 solution?

    asked by Joe
  27. Physics

    A car drives up a straight hill at a constant speed of 60 kilometers per hour. A truck drives over the crest of the hill at a constant speed of 60 miles per hour. What is the net force on the car and on the truck? 1. both not zero 2. not zero; zero 3. both

    asked by Mathew
  28. Chemistry

    Convert a pressure of 23.8 in. Hg into kilopascal. Ok so I looked up kilopascal and it Said 1 Kpa = 1000 pa So I began to set it up like this 23.8 / 29.2 x1000 am I correct Chemistry - DrBob222, Thursday, October 13, 2011 at 1:48pm I don't think that will

    asked by Monique
  29. Physics

    five hundred kcal of heat is added to 2-kg of water at 80⁰C. how much steam is produced?

    asked by xam
  30. math

    A basket contains 11 pieces of fruit: 4 apples, 5 oranges, and 2 bananas. Jonas takes a piece of fruit at random from the basket, and then Beth takes a piece at random. What is the probability that Jonas will get an orange and Beth will get an apple?

    asked by stephanie
  31. calculus

    a large ferris wheel is 100 feet in diameter and rises 10 feet off the ground. each revolution of the wheel takes 30 seconds. A) express the vertical distance "H" of the seat off the ground as a function of time "t" if t=0 corresponds to a time when the

    asked by rachel
  32. physics

    five hundred kcal of heat is added to 2-kg of water at 80⁰C. how much steam is produced?

    asked by xam
  33. Chemistry

    As a system increases in volume, it absorbs 52.5 J of energy in the form of heat from the surroundings. The piston is working against a pressure of 0.500 atm. The final volume of the system is 58.0 L. What was the initial volume of the system if the

    asked by Sam
  34. physics

    you are driving a 2520.0-kg car at a constant speed of 14.0 m/s along a wet, but straight, level road. As you approach an intersection, the traffic light turns red. You slam on the brakes. The car's wheels lock, the tires begin skidding, and the car slides

    asked by James
  35. social studies

    Carrie is being held by her father. She is smiling at him one minute and then, unexpectedly, she slaps his face. This is a sign of which type of attachment? A) insecure-avoidant B) disorganized C) secure-detached D) ambivalent

    asked by dianah
  36. Physics (2)

    If it takes 4.00 J of work to stretch a Hooke's Law spring 10.0 cm from its unstressed length, determine the extra work required to stretch it an additional 10.0 cm

    asked by Whitney
  37. chemistry 12

    Calculate [H3O+] and [OH-] in 0.22M KOH(aq)

    asked by Shellu
  38. chemistry

    A solution of 11.7 g of fructose in 325 g of ethanol has a boiling point of 78.59 C. The boiling point of ethanol is 78.34 C and kb for ethanol is 1.2 C/m. What is the molecular weight of fructose?

    asked by krista
  39. Physics

    A ball is thrown horizontally from the roof of a building 55 m tall and lands 50 m from the base. What was the ball's initial speed?

    asked by Millie
  40. Physics

    A box of books weighing 303 N moves with a constant velocity across the floor when it is pushed with a force of 400 N exerted down-ward at an angle of 38.6 degrees below the horizontal. Find ìk between the box and the floor. Well I know that I have to use

    asked by Neha
  41. English

    Could you please check the word choice? Thank you very much. 1) Mary admits that she has always fancied Ian. Ian started chatting her up at Jessie's party. However, another girl turned up and Ian had a row with her. 2) At first, Mary didn't realize that

    asked by Henry2
  42. PHYSICS HELP PLEASE!

    The maximum wavelength of light emitted from a blackbody that will emit electrons from a given piece of metal is 255nm. What is the fraction of total energy emitted from the black body that emits electrons? I set up the integral:

    asked by Tom
  43. chemistry 12

    Identify the two conjugate acid-base pairs in each of the following. a.) H2PO4-(aq)+HSO4-(aq) H2PO4(aq)+ SO4^-2(aq) b.) HI(aq)+ CN-(aq)HCN-(aq)+ I-(aq)

    asked by shelly
  44. physics

    suppose an experimental arrangement like the one in part 2 has mass m1= 0.200kg at the 0.100m mark and a mass m2=0.100 kg at 0.750m mark. Can the system be put in equilibrium by a 0.050kg mass? if it can not be done state where it would be placed. If it

    asked by Matthew
  45. calculus

    A trough is 16 ft long and its ends have the shape of isosceles triangles that are 5 ft across at the top and have a height of 1 ft. If the trough is being filled with water at a rate of 11 ft3/min, how fast is the water level rising when the water is 7

    asked by Jack
  46. Math

    Round 50.4 square miles to the nearest Square mile

    asked by J
  47. chemistry 12

    sketch a ph curve for the titration 40.00 mLof 0.100M hyrazine H2NNH2(aq) having a Kb of 3.0 x 10^-6 by 0.100 M HCIO4(aq)

    asked by Shelly
  48. Geography

    Following the breakup of the Soviet Union, what are some of the major problems faced by many of the new countries? Thanks.

    asked by Tim
  49. Calculus

    Use linear approximation to estimate the amount of paint in cubic centimeters needed to apply a coat of paint cm thick to a hemispherical dome with a diameter of meters

    asked by Isiah
  50. Confused

    Somebody at my school said that Jiskha homework help blocked them from posting answers for no reason. That person is a big bully and I don't believe him. Is that true? Why would that happen...? Confused... Hello Kitty :-)

    asked by Hello Kitty
  51. World History

    The world's oldest recognized monarchy is found in _____. a. Kush b. Egypt c. Nubia

    asked by Angel
  52. chemistry 12

    Calculate [H3O^-] in a 0.15M solution of benzoic acid, HC7H5O2(aq) having a Ka of 6.4 x 10^-5 I got. 6.4x10^-5=(x)(x)/0.15 6.4x10^-5= x^2/0.15 6.4x10^-5 x 0.15 = x^2 square root of 9.6x10^-6 = square root of x^2 x= 0.003098 The pH solution is -log

    asked by shelly
  53. CHEMISTRY

    What mass of water is produced from the complete combustion of 2.60×10−3 of methane? Express your answer with the appropriate units.

    asked by CHRIS
  54. Algebra

    Using each of the following scales, find the dimensions in a blueprint of an 8ft-by-12ft room. 1. 1 in.:2ft 2. 1 in.:4ft

    asked by Brianna
  55. Algebra

    The sum of two consecutive even integers is 118. A. Define a variable for the smaller integer. B. What must you add to an even integer to get the next greater even integer? C. Write an expression for the second integer. D. Write and solve an equation to

    asked by Brianna
  56. MATH

    1) Attack of the 50ft Turnip plays at 7:10. It is now quarter to seven. How long before the movie starts? (2) It takes 30 minutes to drive to the movie theater. They Saved Frankenstein's Lunch begins playing at ten after 1. What is the latest you can leave

    asked by Little Lisa
  57. chemistry

    The density of dry air measured at 25 degrees celsius is 1.19 x 10 to the negative 3 g/cm cubed. What is the volume of 50.0g of air?

    asked by Jasmine
  58. Physics

    A missile is shot straight up into the air. At the peak of its trajectory, it breaks up into three pieces of equal mass, all of which move horizontally away from the point of the explosion. one piece travels in a horizontal direction of 28degrees east of

    asked by Anonymous
  59. physics(Quick!)

    if a car accelerates from rest at a constant 5.5 m/s^2, how long will it take for the car to reach a velocity of 28 m/s

    asked by ...
  60. Chemmistry gas laws

    CH2==Ch2(g) ----> CH4(g) + C (graphite) If the decomposition begina at 10 degrees C and 50.0 atm with a gas density of 0.215 g/mL and the temperature increases by 950K, what is the final pressure of the confined gas (ignore the volume of graphite and use

    asked by tori
  61. statistics

    A telemarketing supervisor tells a new worker that the odds of making a sale on a single call are 4 to 15. What is the probability of a successful call? (Enter your answer to 2 decimal places.)

    asked by Anonymous
  62. Chemistry

    In one experiment, the mass of water is 92.6 grams, the initial temperature of the water is 67.6oC, the mass of liquid nitrogen added to the water is 61.4 grams, and the final temperature of the water, after the liquid nitrogen has vaporized, is 35.6oC.

    asked by Carrie
  63. canyons,dunes,and deltas SCIENCE

    What are some interesting facts about dunes,canyons,and deltas?

    asked by Jayden
  64. Chemistry

    A scientist wants to make a solution of tribasic sodium phosphate, , for a laboratory experiment. How many grams of will be needed to produce 625 of a solution that has a concentration of ions of 0.800

    asked by Maddy
  65. Possessive nouns

    I'm stuck on to stupid questions tell me the answer ok worry haunted the refugee ____ eyes a.childrens b children's c.childrens' or d.childrens's not d for sure

    asked by Tttttttt
  66. algebra 1b

    Use the table below to find the products of the two polynomials. Enter your answer in descending order in the box below. Enter exponents using the caret ( ^ ). For example, you would enter as 4x^2. Do not enter spaces in your answer. (x3 + 2x2 - 2)(x3 - 3x

    asked by sam
  67. 4th grade Math

    what wil be the next number pattern 1, 2, 4, 8, 16, ? Thanks!

    asked by Ryan
  68. Physics

    The tallest volcano in the solar system is the 29 km tall Martian volcano, Olympus Mons. An astronaut drops a ball off the rim of the crater and that the free fall acceleration of the ball remains constant throughout the ball’s 29 km fall at a value of

    asked by Whitney
  69. physics

    A cart loaded with bricks has a total mass of 13.5 kg and is pulled at constant speed by a rope.The rope is inclined at 27.9 degrees above the horizontal and the cart moves 13mts on a horizontal floor.The co efficient of kinetic friction between ground and

    asked by Saumya
  70. math

    the width of a square-based storage tank is 3m less than its height. The tank has a capacity of 20m^3. If the dimensions are integer values in metres, what are they?

    asked by justme
  71. Correct grammar

    Pick the correct answer which corrects the underlined portion of the following sentences in the simplest way possible – for grammar and/or style, without changing the basic meaning of each sentence. In the evening you can go to a restaurant and order a

    asked by ME
  72. Math ( any help would be great!)

    a ball is kicked in the air from the top of a cliff , the path that the ball travels is given by the equation h(t)=-5t^2+17t+22, where h(t) is the height given in meters and t is the time seconds. a) how high is the cliff ? b)what is the maximum height the

    asked by Erin
  73. chemistry

    Determine the mass of KHP (molar mas = 204.2 g/mol) that is required to react with 30.0 mL of 1.0 M Na0H (molar mass 40.0 g/mol)if the reaction is NaOH + KHP --> NaKP + H2O

    asked by chris
  74. Functions

    What is the purpose of division of polynomials?

    asked by Rebecca
  75. algebra w o r d Problem

    1) the seventh grade class has been collecting aluminum cans for recycling. the class has collected 210 cans. their goal is to collect 520 cans. write an equation and estimate the number aluminum cans needed to reach their goal. i got this: c + 210 = 520:

    asked by marko
  76. English

    I'm posting you the part of the song I didn't include before. 1) I knew I shouldn't have left the appartement /I knew I should've stayed in watching TV/ If I'd looked at the moon and looked at my stars /I wouldn't be in this mess I'm in right now I

    asked by Henry2
  77. Chemistry

    FeS2 (s) + O2(g) -----> SO2(g) +Fe203(s) (unbalanced) a production error leads to the sulfide being placed in a 950-L vessel with insufficient oxygen. Initially, the partial pressure of O2 is 0.64 atm, and the total pressure is 1.05 atm, with the balance

    asked by tori
  78. identify sentences

    1. Reading is essential for becoming a savvy member of one's community, and writing is essential for expressing one's viewpoint effectively in that community. A. Compound sentence. B. parallel compound sentences. C. 3 point topic sentence, with good

    asked by ME
  79. chemistry

    What mass of carbon dioxide is produced from the complete combustion of 2.60×10−3 of methane?

    asked by CHRIS
  80. Literature POETRY, PART 1

    Which one of the following lines best illustrates personification? A. A narrow wind complains all day. B. The fog comes on little cat feet. C. She floated graceful as a dove. D. Spring is a dream unsung.

    asked by Linda
  81. Physics

    What equation is the rotational equilvalent of newton's law ? give the meaning of each symbol and state which rotational quantites are analogous to which linear quantities.

    asked by leslie
  82. chemistry

    For a week acid whose ionization constant is 1.75 x 10(-5), the pH of its solution is 3.0. Determine its degree of ionization and its percent ionization.

    asked by chris
  83. statistics

    What is the standard deviation of a normal distribution, whose mean is 35, in which an x-value of 23 has a z-score of -1.63?

    asked by Becky
  84. physics

    Two boxes of masses 21.6 kg and 28.2 kg sit on a smooth, frictionless surface. The boxes are in contact, and a horizontal force of 68.2 pushes horizontally against the smaller box. What is the acceleration of the two boxes?

    asked by Tina
  85. english help!!! Correcting Grammar

    1. Of the four sentence types and purposes, the sentence type and purpose used most often in expository writing is: a. Simple b. Compound c. Complex d. Compound/Complex 2. Each of the committee members is expect to be there on time. Answer a. noun b.

    asked by ME
  86. English Help!!! Correcting Grammar

    Choose the word in the following sentences that is grammatically incorrect: 1. Lisa enjoys meeting men who are very intelligent and real refined, but not too egotistical. Answer a. enjoys b. very c. real d. too e. egotistical IDENTIFY BELOW! 2. My lady and

    asked by ME
  87. physics

    Suppose that the coefficient of friction between your feet and the floor, while wearing socks, is 0.250. Knowing this, you decide to get a running start and then slide across the floor.

    asked by Luke
  88. chemistry 12

    Is HOCl(aq) a polyprotic acid? Explain

    asked by mike
  89. Math

    The markup on a desk is 38 % of the sale price. If the desk sells for $ 838.71 , what was the cost? (a) $ 22.07 (b) $ 502.00 (c) $ 450.00 (d) $ 607.76 (e) $ 520.00 When i divide $838.71 by 38% i get 2207.131579 When I multiply 838.71 and 38% i get 318.7174

    asked by Anonymous
  90. Peacocks

    Why are male peacocks colorful? How is it an effective adaption?

    asked by help
  91. Calc

    A farmer wishes to enclose a rectangular pen with area 100 square feet next to a road. The fence along the road is to be reinforced and costs $34 per foot. Fencing that coast $16 per foot can be used for the other three sides. What dimensions for the pen

    asked by Andres
  92. Calculus

    Assume the world population will continue to grow exponentially with a growth constant (corresponding to a doubling time of about 52 years), it takes acre of land to supply food for one person, and there are 13,500,000 square miles of arable land in in the

    asked by Isiah
  93. Grammar

    What exsits or orcurrs in space that is 19 spaces long. The sencond letter is a P. The 9 letter is a R, the 12th letter n and the last letter is n. Thank you.

    asked by Anonymous
  94. Physics

    An objectis thrown upward from the edge of a tall building with a velocity of 10m/s. Where will the object be 3s after it is thrown? Take g = 10m/s^2 15m above the top of the building 30m below the top of the building 15m below the top of the building 30m

    asked by Lawrence
  95. Physics

    A passenger in a moving car and a passerby standing at the road side see each other as moving in the opposite direction. Which of the following is not true?< (A) The passenger is in motion relative to the passer-by (B) The passer-by is stationery relative

    asked by Lawrence
  96. Chemistry

    Consider a mixture of air and gasoline vapor in a cylinder with a piston. The original volume is 50. cm3. If the combustion of this mixture releases 990. J of energy, to what volume will the gases expand against a constant pressure of 645 torr if all the

    asked by Sam
  97. chemistry

    Nitrosyl chloride, NOCL, decomposes to NO and C1 in accordance with the following equation: 2NOC1(g)--> 2NO(g)+ C1 2(g) Determine the rate equation and the rate constant for the reaction for the following data: [NOC] 0.10 0.20 Rate, M/s 0.8 x 10(-3) 3.20 x

    asked by krista
  98. Statistics

    Suppose we want to determine the (binomial) probability (p) of getting 4 heads in 15 flips of a 2-sided coin. Using the Binomial Probabilities Table in Appendix B of the text, what values of n, x and p would we use to look up this probability, and what

    asked by destiny
  99. operating a car

    It is important to make sure that any person selling you a car has : A.physical possession of the vehicle. B.informed the motor vehicles department of the intention to sell the vehicle. C.legal title to the vehicle. D.a good reputation for honesty. i got C

    asked by Ciara
  100. chemistry

    Write an equation for the hydrolysis of each of the following salt: i) NaCH2H3O2; ii) Na2CO3; iii) NH4Br

    asked by chris
  101. math

    the passenger section of a train has width 2x-7, length 2x+3, and height x-2, with all dimensions in metres. solve a polynomial equation to determine the dimensions of the section of the train if the volume is 117m^3.

    asked by justme
  102. Global History

    What do these terms mean in ancient African civilizations and why were they important? -rites of passage -age set systems -triangle trade -middle passage What were the impacts of the slave trade on Africa? What are some similarities between the various

    asked by Manuela
  103. physics

    A golfer takes two putts to get his ball into the hole once he is on the green. The first putt displaces the ball 6.90 m east, the second 7.70 m south. What displacement would have been needed to get the ball into the hole on the first putt?

    asked by ashley
  104. MATh

    Kesha dove from Buffalo to Syracuse at an average rate of 48miles per hour. On the return trip along the same road she was able to travel at an average rate of 60 miles per hour.The trip from Buffalo to Syracuse took one- half hour longer than the return

    asked by Tiffany
  105. Physics

    Starting from rest, a 5.00 kg block slides 2.50 m down a rough 30.0 degree incline. The coefficient of kinetic friction between block and the incline is .436. Determine the work done by the friction force between block and incline and the work done on the

    asked by Dee
  106. physics

    A car traveling initially at 7.41 m/s accelerates at the rate of 0.752 m/s 2 for 2.74 s. What is its velocity at the end of the acceleration? Answer in units of m/s

    asked by Asdfghjkl
  107. English

    1. All they had to do was go to one of these places. 2. All they had to do was to go to one of these places. (Are both grammatically correct? Which one is grammatically correct?) 3. All you have to do is finish your homeowrk. 4. All you have to do is to

    asked by rfvv
  108. English part of speech Help

    The part of speech is in all caps: 1. "Way too cool" is a colloquial expression that should never be used in FORMAL writing. a. noun b. pronoun c. verb d. adjective e. adverb f. preposition g. conjunction 2. Each person in this CLASS has a desire to be

    asked by ME
  109. trigonometry

    The side of a lake has a uniform angle of elevation of 15 degrees 30 feet. How far up the side of the lake does the water rise if the height of the lake increases by 7.3 feet during flood season.

    asked by Charlie
  110. physics

    The hang-time of a basketball player who jumps a vertical distance of 2 feet (0.61 m) is about 0.70 second. What will be the hang-time if the player reaches the same height while jumping 3 feet (0.91 m) horizontally?

    asked by jen
  111. Can someone help me please?

    A set of 50 data values has a mean of 15 and a variance of 25. Find the standard score of a data value = 20

    asked by Jennifer
  112. career guide

    which subjects are compulsory for a science student who wants to be an architect

    asked by jacobs shalom
  113. social s.

    another word for trail of tears

    asked by chris
  114. English

    1. He made me go there. 2. I was made to go there by him. 3. I was forced to go there by him. 4. He had me go there. 5. I was had to to there by him. 6. I was asked to go there by him. 7. He let me go there. 8. I was let to go there by him. 9. I was

    asked by rfvv
  115. Graphs&Intercepts

    Write a sentence comparing the graphs of equations with a positive coefficient of x and graphs with a negeative coefficient of x

    asked by Jamal
  116. physics

    A ball thrown horizontally at 22.3 m/s from the roof of a building lands 31.0 m from the base of the building. How high is the building?

    asked by Tina
  117. Pre-Calculus

    Please check my answer: I think it's correct? 1.Find polar form of (-3,2) r=sqrt of (-3)^2 + 2^2)=sqrt (13) = 3.61 tan^-1(2/-3) = 33.79 180-33.79 = 146.31degrees polar points are (sqrt13,146.31degrees) 2. Rectangular form of (3,112degrees) 3cos112= (-1.12)

    asked by Courtney
  118. managerial Economics

    If a stock is expected to pay an annual dividend of $20 forever, what Is the approximate present value of the stock, given that the discount Rate is 5%?

    asked by Bassam
  119. ENGLISH HELP!!! Correcting Grammar

    What is the main verb in the following sentence? 1. This building, the largest on campus, houses most of the administration offices. a. building b. campus c. houses d. there is no main verb 2. My lady and I are taking a long walk through the park this

    asked by ME
  120. Calculus

    Find the equation (in terms of x and y) of the tangent line to the curve r=3sin3(theta) at theta=pi/4. I don't know if I'm taking the right approach for this question but her goes what I did: I found the slope I got

    asked by Jessica
  121. Physics

    Suppose the force of friction on a sliding object is 25 N. What is the force needed to maintain a constant velocity?

    asked by Michelle
  122. physics

    In an 8.00 {\rm km} race, one runner runs at a steady 12.0 {\rm km}/{\rm h} and another runs at 14.0 {\rm km}/{\rm h}.

    asked by Anonymous
  123. chemistry 12

    If the pH of a solution is 3.5, what colour will be shown by each of the following indicators in the solution? a)Methyl Violet b) methyl red c) Methyl orange d) phenolphthalein My answers: a) Yellow to Blue b) Red to Yellow c) Red to Yellow d) close to a

    asked by Sarah
  124. Physics

    A Cessna 150 aircraft has a lift-off speed of approximately 125 km/h. What minimum constant acceleration does this require if the aircraft is to be airborne after a take-off run of 172 m? Answer in units of m/s2 What is the corresponding take-off time?

    asked by Asdfghjkl
  125. math

    The number 34,459,425 is the product of several consecutive positive odd numbers. What is the greatest of these numbers?

    asked by Anonymous
  126. Physics

    A roller coaster moves 4.2 m horizontally, then travels 6.9 m at an angle of 30º above the horizontal. What is the resultant displacement from its starting point?

    asked by fasfgagqaw
  127. spanish

    How do you say 5:20,10:45,1:15,7:30,6:42 all in spanish

    asked by shawn
  128. math

    The equation C = 500 + 50x describes the total cost of a wedding reception, where C is the total cost and x is the number of guests. What is the total cost for 125 guests?

    asked by crystal
  129. math

    for what value of m, x4+4x2+m+8/x2+4/x4 is a complete square where x is not equal to 0

    asked by ayisha
  130. math

    the distance between two barangay is 2-3/4 kilometers how meter is the distance

    asked by letty
  131. writing

    what is an example of a strong and solid thesis statement concerning the choice of televisions shows as one matures.

    asked by carla
  132. Chemistry

    Convert a pressure of 23.8 in. Hg into kilopascal. Ok so I looked up kilopascal and it Said 1 Kpa = 1000 pa So I began to set it up like this 23.8 / 29.2 x1000 am I correct

    asked by Monique
  133. PROBLEM SOLVING IN MATHEMATICS

    the average age of a group of teachers and student is 20. the average age of the teachers is 35. the average age of the students is 15. what is the ratio number of teacher to number of students ?

    asked by alya
  134. Organic Chemistry

    You have been hired by a large food company to develop a method to prepare decaffeinated coffee, suggest a simple procedure that you might use for this? (in regards to extraction)

    asked by Rinny
  135. psychology

    How do the ideas of positive psychology differ from the traditional model of illness?

    asked by yvette
  136. physics1

    A bus that is traveling at 30.0 km/h speeds up at a constant rate of 3.5 m/s^2. what velocity does it reach 6.8 seconds later?

    asked by ...
  137. geometry

    If = 5 centimeters, and = centimeters, what is the length of line segment

    asked by khadijah patterson
  138. physics

    Only two forces act on an object (mass = 4.20 kg), as in the drawing. (F = 73.0 N.) Find the magnitude and direction (relative to the x axis) of the acceleration of the object. magnitude m/s2 direction ° counterclockwise from the +x axis The angle from

    asked by Taylor
  139. chemistry

    A cube of gold has a side length .050m. The mass of the cube is 2.40kg. What is the density of gold in g/cm cubed?

    asked by caitlyn
  140. Math

    In the question I am working on, there are three jars filled with balls, and a die. Depending on the number that comes up from the die determines which jar a ball is drawn from. I created a tree and have all my individual probabilities. The question asks

    asked by Zorniac
  141. algebra

    the weight of an object varies inversely as the square of its distance from the center of the planet it is on. If a person weighs 180 pounds on a planet's surface, what is his weight 250 miles above the surface of the planet? The planet's radius is 7000

    asked by tashea
  142. 8th grade math

    Give an example of a linear situation with a rate of a change that is i. positive ii. zero(no change) iii. negative write an equation that represents each situation in the part above. I don't get this so please help! Thank you!

    asked by saranghae12
  143. chem please help !!!!

    what might one do to verify that the global strain energy minimum has been identified for a compound?

    asked by jon
  144. Statistics

    A private medical clinic wants to estimate the true mean annual income of its patients. The clinic needs to be within $500 of the true mean. The clinic estimates that the true population standard deviation is around $2,300. If the confidence level is 95%,

    asked by Lorie
  145. physics

    A driver in a car traveling at a speed of 79 km/h sees a cat 107 m away on the road. How long will it take for the car to accelerate uniformly to a stop in exactly 103 m? Answer in units of s

    asked by Asdfghjkl
  146. chemistry

    how many grams of propane do you need to combust 525 kJ of heat

    asked by Anonymous
  147. Factor

    How do i factor 16w^6-2q^6

    asked by Katie A
  148. Calculus

    Find the volume of the solid obtained by rotating the region bounded by y=x^3, y=1, and the y-axis around the x-axis. What I did was: V=ç(0,1)pi(1-x^3)^2 dx v=pi(x^7/7-x^4/2+x) and I evaluated it for one since 0 is just going to be 0. and I got 9pi/14

    asked by Jessica
  149. physics, HELP ASAP PLEASE!

    a car starts and accelerates uniformly at a rate of 2.0 m / s ^ 2 in 6.0 s. Then, it maintains its constant speed for 30 seconds. Finally, the shrinkage slows down uniformly and stops to 5.0 s. find the total distance traveled by the car.

    asked by sarah
  150. English

    1. If they failed to light the lanterns, they were fined heavily. 2. If they failed to light the lanterns, they would be fined heavily. (Would you explain the difference between #1 and #2? Thank you. Have a good time.)

    asked by rfvv
  151. chemistry

    Calculate the molarity of NaI in a soultion obtained by adding 5.0 mL of 0.2 M NaI to a mixture of 5.0 mL of 0.2 M K2SO4,5.0 mL K2S2O8, 4.0 mL of H2O and 1.0 mL of Starch

    asked by krista
  152. pre-calculus

    $100,000 is divided into two investments with annual returns of 4% and 7.5%. find the amount invested at the lower rate if the total income at the end of the year is $5050?

    asked by zana
  153. English

    I just need to know if the sentences are correct though they are not complete. Thank you. 1) Imagine a school in which both German, French, English are studied... The school has got 130 students,45 of whom study only English whereas ..... study both

    asked by Henry2
  154. Statistics

    in a typical year, about 46,000 deaths result from car accidents. How manyu deaths would result from car accidents in a typical 4 day period?

    asked by Jill
  155. Algebra

    Two rectangles are similar. The first is 4in. wide and 15in. long. The second is 9in. wide. Find the length of the second rectangle.

    asked by Brianna
  156. Probability

    The random variable is uniform in the (-2c,2c)interval . Find and sketch F(y) and f(y) if Y=X^2

    asked by Anonymous
  157. Chemistry

    Balancing chemistry equations and need help! Thank You!? Help balancing any of the following equations: Cl2+Na Br----> NaCl2 + Br Na+LiOH---->

    asked by Ginger
  158. algebra

    9n=81

    asked by Lisa
  159. geometry

    what is the length of CE if DC=5x-24, CE= 6x-20, and DE= 55?

    asked by Ciara
  160. Grade 12 Advanced Functions

    One zero of f(x)=x^3+4x^2+x+c is -3. a) calculate the value of c. b)calculate the other zeros.

    asked by Rebecca
  161. accounting

    Do you really think a company would offer a free gift to understate sales? It may avoid paying tax, but it is then giving away inventory. Do you think that is wise?

    asked by edith
  162. Algebra

    The area of a triangle is 2x^2+5x+3. The height is 4x+6. Determine the base of the triangle.

    asked by Rebecca
  163. grade 9 math

    write 100 and 72 as products of two powers

    asked by bee
  164. math

    the additional month of interest (note that the problem specifies 2% simple interest per month)? As a professional photographer, Marion has seen the trend away from film cameras as customers purchase low-end digital cameras and printers in order to avoid

    asked by carolyn
  165. Math

    How is scientific notation used in our daily lives?

    asked by Nikki
  166. Party

    Around how many liters/cans soda should a school club buy for a Halloween party of around 200-300 guests?

    asked by Anonymous
  167. trig

    evaluate cos 12*pi

    asked by rene
  168. physics

    A space vehicle is coasting at a constant velocity of 20.7 m/s in the +y direction relative to a space station. The pilot of the vehicle fires a RCS (reaction control system) thruster, which causes it to accelerate at 0.260 m/s2 in the +x direction. After

    asked by Taylor
  169. Physics

    find the electrostatic potential, and then the electric field a distance z above the centre of a circular loop of radius r, which carries a uniform line charge (lamda)

    asked by Danny
  170. Chemistry

    Ionic bonds and covalent bonds: Ionic Bond(s) for: K&S -> K2S N&Be -> Be3N2 Al&P -> AlP Covalent Bond(s) for: C&F -> CF4 S&O -> OS Cl&Se -> SeCl4

    asked by -Untamed-
  171. Algebra

    A.Write and solve an equation to find three consecutive integers with a sum of 126. Let n= the first integer. B. In part A, could you solve the problem by letting n= the middle integer,n-1= the smallest integer, and n+1= the largest integer?

    asked by Brianna
  172. Algebra

    A.Write and solve an equation to find three consecutive integers with a sum of 126. Let n= the first integer. B. In part A, could you solve the problem by letting n= the middle integer,n-1= the smallest integer, and n+1= the largest integer?

    asked by Brianna
  173. grammar

    Where does apostraphe go on days in the sentence. Soldiers carried several days cold rations.

    asked by rhonda
  174. Calculus (derivatives)

    find the slopes at the indicated points y = 3 + 5x - 3x^3 (0,3), (1/2, 41/8), (2,-11)

    asked by Nemo
  175. algebra

    solve for x and y in the following system of equations. y=3x^2+8x-10 & y=x^2+7x+5 how do you do this ?

    asked by lisa
  176. early childhood

    according to Leeds, at snack time, childen should be given ______ of each food for each year of their lives.

    asked by Jyneana
  177. Chemistry 151

    finding full formula of a compound knowing that it is a hydtrated sulfate salt of an alkali metal

    asked by Anonymous
  178. Physics

    Which of the following involves a non-zero net force? I. A hockey-puck sliding at a constant speed on ice. II. The earth revolving around the sun at a constant speed. III. An object falling near the surface of the earth. A) I only B) III only C) Both I and

    asked by Astrogirl
  179. Algebra 2

    What is the vertex of the graph of y = |x + 3|?

    asked by Zachary
  180. calculus

    If X = 15, Y = 20, and Z = 25, what is the sine of angle B?

    asked by Mitch
  181. Algebra 1

    Hello! :-) Can some please explain to me or provide a website that has information about graphs and how to use them? Thanks! Hello Kitty!

    asked by Hello Kitty
  182. precalcus

    a positive angle less than 2 pi their is a coterminal 17 pi/4

    asked by melissa
  183. Calculus

    Suppose g(x) = { 1 / (x - 2) if x < 1 2x - 4 if x >/= 1 The best description concerning the continuity of g(x) is that the function A.) is continuous B.) has a jump discontinuity C.) has an infinite discontinuity D.) has a removable discontinuity E.) None

    asked by Mishaka
  184. chemistry

    why is the energy difference for t-butylcyclohexane significantly greater than the corresponding value calculated for methylcyclohexane?

    asked by tony
  185. Calculus

    Find the volume of the solid obtained by rotating the region bounded by y=x^3, y=1, and the y-axis and whose cross-sections perpendicular to the y axis are equilateral triangles. I asked this same question for the y-axis around the x-axis (Thanks for the

    asked by Jessica
  186. English grammar check

    Choose the correct answer which corrects the following sentences without changing its meaning 1. I want to get a well-paying job. Which is why I am attending college. a. I want to get a well-paying job. Which is why I am attending college. b. I want to get

    asked by ME
  187. calculus

    lim x-0 xtan(8x)+ 2tan(8x)/(x^2+4x)

    asked by Anonymous
  188. Math

    I'm helping my daughter with Algebra homework and I've forgotten how to solve the following. x/2-12 = -3 + x Can someone help

    asked by Ashleigh
  189. Statistics

    An auditor wants to estimate what proportion of a bank’s commercial loan files are incomplete. The auditor wants to be within 10% of the true proportion when using a 95% confidence level. How many files must the auditor sample? No estimate of the

    asked by Lorie
  190. Calculus

    Find the volume of the solid obtained by rotating the region bounded by y=x^3, y=1, and the y-axis and whose cross-sections perpendicular to the y axis are equilateral triangles. I asked this same question for the y-axis around the x-axis (Thanks for the

    asked by Jessica
  191. Calculus (Any Help At All Is Really Appreciated)

    Suppose g(x) = { 1 / (x-2) if x < 1 2x - 3 if x >/= 1 The best description concerning the continuity of g(x) is that the function A.) is continuous B.) has a jump discontuity C.) has an infinite discontuity D.) has a removable discontuity E.) None of the

    asked by Mishaka
  192. Calculus

    A 23 foot ladder is leaning on a 6 foot fence. The base of the ladder is being pulled away from the fence at the rate of 7 feet/minute. How fast is the top of the ladder approaching the ground when the base is 6 from the fence? [Note: The ladder is

    asked by Isiah
  193. Geometry

    Line RS is bisected at T. If line RT = 4x + 29 and TS= x + 17, what is the length of line RS

    asked by Dabria
  194. chemistry

    how many mL of 5% BaCl2 X(multiplied) 2H2O are needed for 0.3500g pure sodium sulfate?

    asked by kim
  195. chemistry

    Explain very clearly why a mole of hydrogen chloride depresses the freezing point of 1.0kg of water by almost twice as much as a mole of ethanol.

    asked by leslie
  196. Chemistry

    1. In an equilibrium, A + B ---> C + D; "A" & "B" are mixed in a vessel at temperature "T". The initial concentration of "A" was twice the initial concentration of "B", & after the equilibrium has reached, concentration of "C" was twice the equilibrium

    asked by Atul
  197. Geometry

    What is the measure of angle LJI if the measure of angle IJK = 7x - 3, the measure of LJI =10x + 4 and the measure of angle KJL=28?

    asked by Dabria
  198. Math

    If you jog for half an hour everyday for nine days. Write an improper fraction that shows the total number of hours you jogged.

    asked by Dylan
  199. Math

    9 exponent 0+64(3+5)exponent negative 2 Please help me solve this problem.

    asked by Melea
  200. Social Studies 30

    Which characteristic(s) of collectivism do you think are most important to Canadian society? Competition, cooperation, private property, rule of law, common good, self-interest, economic equality, collective norms, freedom, collective interest, individual

    asked by Cristina
  201. Factors

    Factor by grouping X^3+3X^2-5x-15 I get x^2(x+3)-5(x+3) is this correct????

    asked by Katie A
  202. English

    1. A lantern man would take them to any places in Paris. 2. A lantern man used to take them to any places in Paris. 3. A lantern man took them to any places in Paris. (What is the difference among the three sentences?)

    asked by rfvv
  203. Physics

    A ball thrown horizontally at 22.3 m/s from the roof of a building lands 31.0 m from the base of the building. How high is the building?

    asked by Millie
  204. Linguistic - Japanese

    What are the sentence structure rules for the Japanese language? I know you have the sentence -> (noun phrase) (verb phrase)

    asked by Sam
  205. pre-calculus

    $100,000 is divided into two investments with annual returns of 4% and 7.5%. find the amount invested at the lower rate if the total income at the end of the year is $5050?

    asked by zana
  206. Language Arts

    In the sentence....They have done nothing wrong. I know "have done" is part of the verb phrase but not sure if "wrong" is part of the verb phrase too. Would "wrong" be included in the verb phrase?

    asked by Brandi
  207. social studies

    what is the landmarks of newjersey?

    asked by Justin
  208. college math

    Suppose $400 is invested for 4 years at a nominal yearly interest rate that is compounded monthly, further suppose it accumulates to 817.39 after 4 years. Find the annual nominal interest rate of the investment.

    asked by lianne
  209. college math

    Suppose $400 is invested for 4 years at a nominal yearly interest rate that is compounded monthly, further suppose it accumulates to 817.39 after 4 years. Find the annual nominal interest rate of the investment.

    asked by lianne
  210. Math

    1) Find the solution to the following system of two linear equations, if it has a solution. 2x-y=3, -x+y=1 2Find the solution to the following system of two linear equations, if it has a solution. 2x+y=4, x+3/2y=3

    asked by Megan
  211. chemistry

    What mass of CO2, a greenhouse gas, is produced per liter of each fuel (assuming complete combustion) I got this data density of ethanol = 0.785 g/mL density of octane = 0.699 g/mL Ethanol) C2 H5 OH + 2O2 -> 2CO2 + 3H2O delta H combustion ethanol = -1234.8

    asked by sari
  212. Language Arts

    If you said....They have been fed today. Would the verb phrase be "have been fed"?

    asked by Brandi
  213. pre algebra

    how do i figure out how to write a number setence for the product on the number line -10 -8 -6 -4 -2 0 2

    asked by emily
  214. math

    marco wants to use a single scoop to measure both flour and liquid for making coffee cake. In whole ounces, what is the largest scoop size he can use to make the cake?

    asked by stephanie
  215. statistics

    If the city spends $145000 on promotional expenditures, what will be the projected attendance @ 95% confidence level?

    asked by Mekeon
  216. Algebra

    I have 37 coins, nickels dimes, quarters that equal 5.50 . I have 4 more quarters than dimes . How many nickels do I have?

    asked by Bob
  217. Calculus

    Find the volume of the solid obtained by rotating the region bounded by y=x^3, y=1, and the y-axis around the x-axis. What I did was: V=ç(0,1)pi(1-x^3)^2 dx v=pi(x^7/7-x^4/2+x) and I evaluated it for one since 0 is just going to be 0. and I got 9pi/14

    asked by Jessica
  218. chemistry

    Very carefully, but breifly discuss, with specific example, Le Chatelier Principle and its relationship to common ion effect.

    asked by travis
  219. science

    what's the difference between dominant and recessive allele?

    asked by malik jackson
  220. English

    Can you please check these sentences for me? Thank you. 1) The dark-skinned girl in the picture is talking to a friend of hers on the phone. She's telling her that she was at Jessie's party (last)the previous Saturday. 2) She admits she has always fancied

    asked by Henry2
  221. math

    kala's both is 12.25 feet long. What is the length of her boat in inches?

    asked by stephanie
  222. social studies

    the group of the same as subordinate group.A defining feature of this group is that its members have less control or power over their lives than do members of dominant groups.

    asked by alicia
  223. MATh (distance)

    Kesha dove from Buffalo to Syracuse at an average rate of 48miles per hour. On the return trip along the same road she was able to travel at an average rate of 60 miles per hour.The trip from Buffalo to Syracuse took one- half hour longer than the return

    asked by Tiffany
  224. English

    Can you guys proof read part of an essay im writing. I know you do not know the context but, im just talking about the grammar issue. here it is: Along with the tension that goes on between Mr. And Mrs. Bennet, Charlotte and Mr. Collin’s marriage is not

    asked by Rebekah
  225. School drop out

    How to write research?

    asked by Research
  226. Algebra

    In solving the equation (x + 3)(x + 1) = 48, Eric stated that the solution would be x + 3 = 48 => x = 45 or (x + 1) = 48 => x = 47 However, at least one of these solutions fails to work when substituted back into the original equation. Why is that? Please

    asked by Sierra
  227. math

    the number of 5th grade students in a school is a prime number greater than 50.What is the least number of 5th grade students there could be in a school

    asked by clayton
  228. us history

    what is another word for nativism

    asked by fred
  229. Geometry

    2. This cone bottom tank is the perfect solution for transporting chemicals such as pesticides around to various locations. The cone shape of this plastic tank equips it not only for easy draining of materials, but also provides an easy cleaning process.

    asked by Anil
  230. physics1

    A bus that is traveling at 30.0 km/h speeds up at a constant rate of 3.5 m/s^2. what velocity does it reach 6.8 seconds later?

    asked by ...
  231. Hum186

    What are some of the most influential and important games released to the general public within the last few years? Why are they important?

    asked by marie
  232. alg2/trig

    The expression a/a-b + b/b-a is equivalent to a) 1 b)-1 c) ab/a-b d)a+b/a^2-b^2 please help!

    asked by jess
  233. ALGEBRA-Help please

    Find the solution to the following system of two linear equations, if it has a solution. x+3y=4, 3x+9y=12

    asked by Megan
  234. grammar

    Where does apostraphe go in Polands when the sentence is Polands Jews fled from the German soldiers.

    asked by rhonda
  235. Calculus

    Find the volume of the solid obtained by rotating the region bounded by y=x^3, y=1, and the y-axis and whose cross-sections perpendicular to the y axis are equilateral triangles. I asked this same question for the y-axis around the x-axis (Thanks for the

    asked by Jessica
  236. Calculus (derivatives)

    find an equation of the tangent line to the curve at the indicated point. y = -(x^1/3); (8, -2)

    asked by Nemo
  237. chemistry 12

    The pH of a certain acid having a concentration of 0.20M was measured. The pH was 2.50. Was this a strong acid or weak acid?

    asked by Mike
  238. Chemistry

    What is the element oxidized and the element reduced in the equation: HAsO2 + 2 Ag+ + 2 H2O 2 Ag + H3AsO4 + 2 H+

    asked by Savannah
  239. geometry

    Lines AB and CD are parallel. If the measure of Y equals 56°, what is the measure of Z?

    asked by jake
  240. English

    Sorry. I would like you to help me rephrase 2) because I'm not sure about its meaning. Thank you.I included a sentence for you to check. 1) I knew I shouldn't have left the apartment /I knew I should've stayed in watching TV/ If I'd looked at the moon and

    asked by Henry2
  241. physics

    Assume the mass of the object remains constant. If the Kinetic Energy of an object changes by 1/3, by what factor has its speed changed?

    asked by Jonny
  242. Physics

    The braking distance of a car is 29m. If the speed of the car is increased by 45%, what is the car's new braking distance? Assume the acceleration of the car is constant and independent of its initial speed

    asked by Jake
  243. ochem

    is cis-1,2-dimethylcyclohexane a conformational isomer of trans-1,2-dimethylcycloehexane? Please explain.

    asked by sammy
  244. Physics

    two students are attempting to lift a sign to the top of a tall building, each is pulling equally with 100 newtons of force, on the two ropes. The ropes are attached to opposit corners of the sign, and the angle between them is 60. compute the resultant

    asked by Erin
  245. childcare

    A plant in the classroom appears to be wilting. The children are asked to come up with as many possible explanations for this as they can. They're engaged in the second stage of decision making, called A.group-think B.herding Ideas C.railroading ideas

    asked by Samy
  246. math

    In a soft ball gme, Archie getting hit is 1/4. the probability of betty getting hit is 1/4, and Veronica's probability is 1/2 for getting hit. if each goes to bat once, what is the probability that exactly one gets a hit

    asked by Anonymous
  247. Stats

    Given the following frequency distribution, find the mean, variance, and standard deviation. Please show all of your work. Errors Frequency 51-53 9 54-56 19 57-59 16 60-62 24 63-65 25

    asked by Jennifer
  248. Grade 12- Advanced Funtions

    what about this question: Determine the roots algebraically by factoring. a) x^3-8x^2-3x+90=0

    asked by Confused
  249. physics

    If a coordinate system is set up such that the positive x axis points in a direction 75° above the horizontal, what should be the angle between the x axis and the y axis?

    asked by James
  250. art

    This type of artwork can usually be found on buildings or other public property. (1 point) * scraffito * intaglio * graffiti * graphics

    asked by Christian
  251. chemistry

    Briefly discuss the effect of dissolving a solute such as KOH in a solvent such as water.

    asked by leslie
  252. Math

    If you jog for half an hour everyday for nine days. Write an improper fraction that shows the total number of hours you jogged.

    asked by Dylan
  253. ten commandmant

    How do rules actually make us free? Like referring to the ten commandments, how do they allow us to be free instead of feeling as if we are living by rules and regulations

    asked by kim
  254. Philosophy

    Write two types of philosophy?

    asked by Philosophy
  255. physics

    A 5 kg block is pulled along a horizontal frictionless floor by a string and exerts force of magnitude 16 N at an angle 30 degree.What is the magnitude of the acc of block?

    asked by Leonita
  256. comp

    To avoid financial hardship during your golden retirement years, it is important not to depend on Social Security benefits. Is this a proper topic sentence, the subject is about Social Security being around in the future or not? Thank you!

    asked by stacy
  257. Math

    Please help me solve these problems. 12^2+2 [(13+3)] / 2^2] -4(3)+5[7-6(-4)^2] -5(3)+3[9-6(-3)^2]

    asked by ME
  258. Calculus

    g(x)=(1)/(2e^(x)+4e^(-x))

    asked by Beth
  259. Finite Math

    A small seminar class consists of Anne, Bill, Cathy, Dan, Ellen, and Frank. The teacher has been told that 2 of them are from Indiana, 3 of them are from Michigan, and the other 1 is from Ohio. But the teacher does not know who is from which state. So the

    asked by CeCe
  260. English help on subjects

    What is the subject in the sentences below? 1. Each person in this class has a desire to be successful. Answer a. each b. person c. class d. successful e. there is no subject in the sentence 2. The first assignment for this class is this quiz. Answer a.

    asked by ME
  261. math

    500 students paid rete of £7.50 and the remainder paid the full adult rete of£10.what was the total amount of money paid to the cinema that night?

    asked by frederick
  262. Grade 12 Advanced Functions

    The polynomial 2x^3+px^2-x+6 has a remainder of zero when divided by x-2. Calculate p.

    asked by Rebecca
  263. science

    what happens when light strike a dark table?

    asked by jessha
  264. Science

    Are floods both constuctive and destructive?

    asked by Trevor
  265. math

    for what value of m, x4+4x2+m+8/x2+4/x4 is a complete square where x is not equal to 0

    asked by ayisha
  266. Math Help

    Subraction (1/6x^3-1/10x-1/5)-(-1/6x^3+1/10x-1/5)

    asked by Katie A
  267. math

    how to find the x-interceps? x^4-29x^2+100?

    asked by justme
  268. math

    what is its are of rectangular field is 94m long and 77m wide

    asked by letty
  269. johns

    an example of a captivating and sophisticated introduction about choice of television shows as one matures including a solid thesis statement.

    asked by carla
  270. operating a car

    Non-standard equipment and accessories added to the basic vehicle are generally called : A.options B.an extended warranty C.add-ons D.luxury items i got D

    asked by Ciara
  271. chemistry

    Calculate the activation energy (in Joules) for a reaction whose rate constant doubles when the temperature is raised from 298 K to 500 K. Take R to be 8.314 J/K-mol.

    asked by travis
  272. physics

    Suppose that the coefficient of friction between your feet and the floor, while wearing socks, is 0.250. Knowing this, you decide to get a running start and then slide across the floor. If your speed is 3.00 m/s when you start to slide, what distance d

    asked by Luke
  273. Algebra

    What is the standard form of the equation of the line passing through the point (-1,-2) and perpendicular to the line y= - 2/3x - 1? a. 3x-2y=-1 b.3x-2y=1 c.3x+2y=1 d.3x+2y=-1 I don't understand, can anyone help me please?

    asked by Christina
  274. Social Studies

    In 1979 who became the first woman to be honored on a circulating coin?

    asked by Zack
  275. operating a car

    1. The sticker price on a new car includes: A.The final selling price of the vehicle B.an extended warranty C.everything you need to know about the vehicle D.the retail price of everything that comes with that particular vehicles. i got B

    asked by Ciara
  276. English

    Independent living and living at home How are they alike?

    asked by Anonymous
  277. Math

    How are z scores and the "empirical rule" related?

    asked by Jennifer
  278. chemistry

    what is 0.2505 to 3sf????

    asked by Anonymous
  279. Algebra

    Describe the steps you would use to solve consecutive integer problems.

    asked by Brianna
  280. social studies

    what is the declaration of independence? P.S i only need the basic meaning thanks a bunch

    asked by samantha
  281. maths

    0.2505 to 3sf

    asked by Anonymous
  282. Physics (3)

    The mass m=1.00 kg is set up as a pendulum of length 0.6m . Initially in the position of h=0.2 m above the lowest point, and the pendulum is given initial speed of 1.00 m/s. What is the largest mass M that could be temporarily lifted in such setup?

    asked by Whitney
  283. Calculus

    Suppose g(x) = { 1 / (x-2) if x < 1 2x - 3 if x >/= 1 The best description concerning the continuity of g(x) is that the function A.) is continuous B.) has a jump discontuity C.) has an infinite discontuity D.) has a removable discontuity E.) None of the

    asked by Mishaka
  284. Calculus

    Find all points on the curve where the tangent line is horizontal y = (x^6/6) - (x^2/2) + 1

    asked by Blue
  285. Calculus

    Find all points on the curve here the slope is 1 y = x^4 - 31x + 11

    asked by Blue
  286. English

    What is the phonlogy?

    asked by Language
  287. philosophy

    how did existentialism fail?

    asked by Sara
  288. social studies

    what was the ice age and how did it change New York

    asked by emely
  289. Drop out of the schools

    What caused the background of the droping out of the schools?

    asked by Education
  290. climate change

    What would our climate be like if the earth was shaped like a cube instead of a sphere? thanks

    asked by Help me please
  291. Physical Science

    What is an example of radioactive decay?

    asked by Brooke
  292. Radiobiology

    What exposure will a radiology technologist receive when exposed for 10 minutes at 4 meters from a source with intensity of 100 mR/min at 1 meter?

    asked by An
  293. Calculus

    Using Law of Sines: Need Help 1. alpha=70 Degrees Beta=38 Degrees a=35

    asked by Josh
  294. physics

    A car accelerates uniformly from rest to a speed of 24.2 km/h in 5.1 s. Find the distance it travels during this time. Answer in units of m

    asked by Asdfghjkl
  295. Science

    how much heat is required to change 5 grams of iron to 10c

    asked by joe
  296. physics

    A car starts from rest and accelerates for 6.7 s with an acceleration of 1.6 m/s2 . How far does it travel? Answer in units of m

    asked by Asdfghjkl
  297. Eating disorder

    if anorexic people see theirselves as "fat" in the mirror, why do they still buy small sized clothing...?

    asked by Angel
  298. economics

    Ali pays Rs. 855 property tax.What is the assesed value of his home, if the tax rate in his locality is 2.5% ?

    asked by Anonymous
  299. Math

    Find the LCM. 1. 20, 36 * 720 * 180 * 90 * 45

    asked by Christian
  300. math

    y=2x-1

    asked by colton
  301. chemistry

    How do i find the weight % of sulfate if I am given the mass?

    asked by kim
  302. chemistry

    Very carefully explain which will evaporate faster under conditions: 50.0 mL of distilled waater or 50.0 mL of sea water.

    asked by krista
  303. childcare

    Children learning to take their heart rates are demonstrating... A.movement relations B.fitness concept C.body awareness D.body concept

    asked by Samy
  304. English

    What is the marphology?

    asked by Language
  305. childcare

    A child throws a ball with speed and accuracy when he plays catch with his teacher, but his throws are slower and less accurate when he plays with a group of friends. This difference is explained by.. A.classical stage theory B.probability theory

    asked by Samy
  306. Algebra 1

    How do you put percents into degrees? For example: 25%= ?degree

    asked by Hello Kitty
  307. math

    8 is greater than 43 and less than 52. If you add the digit the sum is 8. Write the number word

    asked by Anonymous
  308. math

    8 is greater than 43 and less than 52. If you add the digit the sum is 8. Write the number word

    asked by Anonymous
  309. chemistry

    Explain the difference between the rate of a reaction and its rate constant.

    asked by chris
  310. chemistry

    what does SPDF mean in chemistry on the periodic table? What is the PDO format in when writing a lab report? pls help

    asked by ted
  311. physics

    A gun is fired at a bird sitting on a distant tree.If the barrel of the gun is aimed directly at the bird,will the bullet directly hit the bird?

    asked by Leonita
  312. chemistry

    Account for the increase in reaction rate brought about by a catalyst.

    asked by chris
  313. Math

    I am a 5 th grader who need some help my mom is blind. What is the elapsed time: (1) Between 3:45- 9:00 (2) 6:50-7:00

    asked by Little Lisa
  314. Math Help

    Divide -270r^13 by 9r^8

    asked by Katie A
  315. 11 French

    would someone be able to correct my paper? It's not finished yet, but this is what i have so far: L’image que j’ai dessiné représente le monde dans façons different. Les drapeux symboliser les pays different artour du monde. La Allemagne, Les Etats-

    asked by rebecca
  316. math Help

    multiply (x^2+x+6)(x-6)

    asked by Katie A
  317. Math

    1/8b = 6 what is b=

    asked by Mary
  318. math

    what is the equation for 12 divided into a number. is it n/12

    asked by sharon
  319. Soldiers during WWI

    Hey Ive written my paragraph on the miserable lives of these brave soldiers. And my title at first was A soldier's deadly life full of dangers, but I want to make the title much more catchier than this, so I thought of something cool like, "Stepping into a

    asked by Anonymous
  320. Math

    Please help me solve these problems. 12^2+2 [(13+3)] / 2^2] -4(3)+5[7-6(-4)^2] -5(3)+3[9-6(-3)^2]

    asked by ME
  321. Math

    Please help me solve these problems. 12^2+2 [(13+3)] / 2^2] -4(3)+5[7-6(-4)^2] -5(3)+3[9-6(-3)^2]

    asked by ME
  322. Math Help

    multiply (x+12)(x-12) I get x^2-144 is this correct????

    asked by Katie A
  323. science

    what you could see at fire station?

    asked by sandy
  324. equations

    12^2+2 [(13+3)] / 2^2] -4(3)+5[7-6(-4)^2] -5(3)+3[9-6(-3)^2] please show me how to do these

    asked by ME
  325. operating a car

    Which one of these statements is true about a "bumper-to-bumper"waranty. A.Normal wear and tear is NOT covered by the warranty. B.All expenses expect gosoline and routine oil changes are covered by the warranty. C.Everything part and system is covered

    asked by Ciara
  326. Math

    I have input x (20,1,40,4,8,10) and output y (2,40,1,10,5,4). What is the function?

    asked by Josh
  327. Math Help

    Multiply (9x^8)(6x^5) 54^13 is this the right answer????

    asked by Katie A
  328. Social Studies 9

    PLEASE HELP !!!Similarities of maria henrietta and marie antoinette and differences !!

    asked by Stephanie
  329. Math Help

    -x^2-2x+15=0 How would I solve this?

    asked by Katie A
  330. math

    Use compatible numbers to estimate each difference.

    asked by gerry
  331. Math

    I am a 5 th grader who need some help my mom is blind. What is the elapsed time: (1) Between 3:45- 9:00 (2) 6:50-7:00

    asked by Little Lisa
  332. Pre-Calculus

    I posted earlier and didn't get an answer so I'm posting again-hoping someone could please check these two-I think they're correct Please check my answer: I think it's correct? 1.Find polar form of (-3,2) r=sqrt of (-3)^2 + 2^2)=sqrt (13) = 3.61

    asked by Courtney
  333. Science

    Is a delta formed by all the silt and sediment washed down stream?

    asked by Jac