1. math

    Bianca and yoko work together to mow the lawn. Suppose yoko mows 5/12 of the lawn and bianca mows 2/5 of the lawn. How much lawn still needs to be mowed?

    asked by jada on February 16, 2014
  2. Math

    900 people were surveyed on how they get to work in Dallas. Public Transportation- 19% and Bikes 11%. How many people were surveyed that take public transportation and bikes?

    asked by kaylee on March 10, 2016
  3. Finance

    An annuity is developed and used based on the concept of time value of money. Please solve for the principle required when one retires so that a payment of $1500.00 is received each month for 30 years (360 months). Assume that the interest rate for the

    asked by John on June 9, 2012
  4. corporate finance

    Your finance text book sold 45,500 copies in its first year. The publishing company expects the sales to grow at a rate of 20.0 percent for the next three years, and by 7.0 percent in the fourth year. Calculate the total number of copies that the publisher

    asked by ALLEN on July 30, 2014
  5. Physics

    partscoretotalsubmissions1--10/12--10/13--10/14--10/1----4--The tail of a vector is fixed to the origin of an x, y axis system. Originally the vector points along the +x axis. As time passes, the vector rotates counterclockwise. Describe how the sizes of

    asked by Panda on May 7, 2007
  6. PHYSICS

    A sample of monatomic gas (ã = 5/3) is expanded adiabatically from an initial temperature, volume, and pressure of 230. °C, 7.00 litres, and 7.00 kPa, respectively, to a final volume of 10.0 litres. (a) What is the final pressure of the gas? (answer 3.86

    asked by Chris on May 2, 2010
  7. AP Chemistry

    What is the value of w (work) when 1.3 moles of H2 expands from 25 liters to 50 liters against a constant external pressure of 1 atm, then expands further from 50 to 100 liters against a constant external pressure of 0.1 atm? Answer in calories. Answer in

    asked by Ethan on January 6, 2015
  8. business

    MGT635-1003B-04 International Business Operations Management Assignment Name: Unit 5 Individual Project Deliverable Length: 6-7 body pages Details: As the production manager for an electronic circuit company you have encountered the following situation.

    asked by 1SGCalhoun on August 15, 2010
  9. chemistry

    a 500ml sample of o2 gas at 24 degrees celsius was prepared by decomposing a 3% aqueous solution of hydrogen peroxide, in this presence of a small amount of manganese catalyst by the reaction 2H2O2>2H2O+O2. The oxygen thus prepared was collected by

    asked by Michelle on April 16, 2012
  10. Chemistry

    Explain clearly which out of the following combinations of solutes would result in the formation of a buffer solution? A) NH3 and HCl in a 2:1 molar ratio B) HCl and NaOH in a 1:2 molar ratio C) NH3 and NH4Cl in a 2:1 molar ratio D) NaOH and CH3COOH in a

    asked by Jill on April 1, 2013
  11. history

    1. Why was Rosie the Riveter a symbolic figure? (1 point) She represented women entering manufacturing jobs during the war.*** She represented the difficult experiences of women during the war. She represented all people who worked hard during the war. She

    asked by Please help!!!! on April 29, 2019
  12. Physics

    The drawing shows a circus clown who weighs 750 N. The coefficient of static friction between the clown’s feet and the ground is 0.630. He pulls vertically downward on a rope that passes around three pulleys and is tied around his feet. What is the

    asked by KS on April 8, 2015
  13. Systems Analysis and Design

    Case Study: describe using ERD diagram how the university can manage Building, Classroom, Course, students, and Instructors, each of which is a table that is drawn indicating Primary Key, and Foreign key. Then explains how the university can add a new

    asked by ohood on April 24, 2017
  14. physics

    Consider an object on which the net force is a resistive force proportional to the square of its speed. For example, assume that the resistive forve acting on a speed skater is f=-km[v^2], where k is a constant and m is the skater's mass. The skater

    asked by Jean on March 1, 2007
  15. Spanish #2 (URGENT)

    Can someone check my work? Create a sport skit/presentation using commands and actions. Escuchanos! Vamos a enseñar cómo jugar al futbol. Pon en los zapatos de fútbol. Trae un balón de fútbol. Va al campo. Golfea el balon con el pie. Corre al balon y

    asked by Larry on October 6, 2009
  16. Trigonometry

    Stuck :( 1. Simplify (5-√-36)(2+√-1) A. 16 − 7i B. 16 + 7i C. 4 + 7i 2. Choose the point that lies on the curve r = 2 – 3 sin θ. A. (-5, 3π/3) B. (-2, π) C. (1, π/2) 3. Which of the following is not an approximate solution of x5 – 1 = 0? A.

    asked by Rodrick on December 9, 2012
  17. computer

    How does a computer generated animation work? (Points: 5) The computer creates constant movement in the characters. The computer, along with human workers, moves the characters on the screen. The computer creates a set of continuous movements, one

    asked by john on November 11, 2011
  18. economics

    1. Chipo has the following utility function of 2 goods Pies (X) and fanta (Y): U= log X + log Y. (a) show that the consumer maximizes utility subject to the budget constraint. (b) derive the demand functions of good X and good Y. 2. You are given the

    asked by hass on December 30, 2012
  19. economics

    1. Chipo has the following utility function of 2 goods Pies (X) and fanta (Y): U= log X + log Y. (a) show that the consumer maximizes utility subject to the budget constraint. (b) derive the demand functions of good X and good Y. 2. You are given the

    asked by hass on December 30, 2012
  20. economics

    1. Chipo has the following utility function of 2 goods Pies (X) and fanta (Y): U= log X + log Y. (a) show that the consumer maximizes utility subject to the budget constraint. (b) derive the demand functions of good X and good Y. 2. You are given the

    asked by hass on December 30, 2012
  21. Chemistry

    If the same volume (130-mL) of the buffer were 0.265 M in NH3 and 0.400 M in NH4Br, what mass of HCl could be handled before the pH fell below 9.00? I used the henderson-hasselbalch equation to solve this. i set it up as

    asked by Kyle on March 28, 2010
  22. Henderson-Hasselbalch

    If the same volume (130-mL) of the buffer were 0.265 M in NH3 and 0.400 M in NH4Br, what mass of HCl could be handled before the pH fell below 9.00? I used the henderson-hasselbalch equation to solve this. i set it up as

    asked by Kyle on March 28, 2010
  23. calc - limits

    I have been trying to figure out these limit problems and I get stuck on trying to move the function around to make it possible to solve. The first one is: lim sinx - cosx / tanx - 1 x--> (pi/4) All I've gotten so far is to replace tanx with sinx/cosx but

    asked by terra on September 19, 2011
  24. Math

    Walking at 4km/h, Bruce can make the roundtrip between his campsite and Lookout Point in 2.5 h. Rowing on Crooked River, he can row upstream from the campsite to Lookout Point in 1 h and can row back again in 40 min. Find Bruce’s rate of rowing in still

    asked by Anonymous on February 6, 2011
  25. math

    The longest side of a triangle is six more units that the shortest side. The third side is twice the length of the shortest side. If the perimeter of the triangle is 25 units, write and solve an equation to find the length of all three sides of the

    asked by Valdo on March 1, 2015
  26. Math

    Can somebody help me solve this problem ? I am not so good with probability. - A bag contains 2 green marbles and 3 white marbles. One marble is drawn at random and not replaced. Then a second marble is drawn. What is the probability that the first marble

    asked by Chris on January 29, 2013
  27. Math

    The average of 3 numbers is 45. If one of the numbers is 43, what is the average of the other 2 numbers? The average of 3 numbers is 45 means the total = 45 x 3 = 135? is that what u suppose to do? If one of the numbers is 43, the total of the other

    asked by Jake P. on December 9, 2006
  28. Math

    Working on a problem and can't figure out how the book rearranged this problem to get the following: 0.76= x/0.0200-x then, the book rearranged to solve for x... x= 0.0200 X 0.76/ 1.76 I don't understand how 1.76 was obtained? I see that you cross multiply

    asked by Linda on February 10, 2013
  29. Math

    for every girl taking classes at the school, there are 3 boys who are taking classes at the school. If there are 236 students taking classes, write and solve a propotion to predict the number of boys taking classes at the school.

    asked by Garrett on January 20, 2012
  30. Physics!

    At a steam power plant, steam engines work in pairs, the output of heat from one being the approximate heat input of the second. The operating temperatures of the first are 520°C and 320°C, and of the second 310°C and 170°C. If the heat of combustion

    asked by Francis on May 23, 2017
  31. physics/physical science

    I have multiple questions like the following and need help on how to work out the answer of one because our book does not cover impulse. a car is at rest when it experiences a fwd propulsion force to set it in motion. it then experiences a second fwd

    asked by allison on March 2, 2011
  32. reading

    what is the difference between a plot and a summary? Plot: http://www.tnellen.com/cybereng/lit_terms/terms/2terms.html#Plot Summary: http://www.answers.com/summary They are similar in some ways, but the plot of a story, book, or play is like a blueprint --

    asked by Katie on December 20, 2006
  33. business english

    paragraph 2 Background Your favorite cousin has moved to your town and is looking for a job. Her previous experiences are working as a cashier and sales clerk at two department stores. You know she plans apply at similar stores in your town. but you also

    asked by henrietta on September 16, 2011
  34. Physics - Mechanics and Ocsillatory Motion

    Suppose that each of the three masses in the figure below has a mass of 5.05 kg, a radius of 0.0679 m, and are separated by a distance of 9.9 m. If the balls are released from rest, what speed will they have when they collide at the center of the triangle?

    asked by Sara on December 9, 2010
  35. Math

    Segment CB bisects angle ABD and segment DB bisects CBE. Also, angle ABC= 10 and angle CBE= 2x^2-8x. Solve for x.

    asked by Cassidy on September 30, 2015
  36. math

    How do I solve ? Adam bought a basketball that was on sale for 25% less than the original price.The original price was $4 more than the sale price. What was the original Price?

    asked by alexis on October 16, 2013
  37. math

    of 50 students surveyed, 22 have a skateboard, and 18 have roller shoes. of those, 6 students have both. how many students have neither a skateboard nor roller shoes? i don't know how to solve this one

    asked by Angelina on March 10, 2015
  38. math

    A group of students have volunteered for the student council car wash. Janet can wash a car in m minutes. Rodrigs can wash a car in m-5 minutes, while Nick needs the same amount of time as Janet.If they all work together, they can wash a car in about 3.23

    asked by Ted on December 18, 2012
  39. help check grammars and comments, thank you

    -identify a major social problem -analyze and comment upon the effects of the chosen social problem -use historical documents to analyze the effects of the chosen social problem during the time. (does my essay off topic?) During the eighteenth century and

    asked by JJ on January 24, 2007
  40. stats

    Suppose that the average amount paid by customers at a grocery store is $80. The standard deviation of the amounts paid is $24. The distribution of the amounts paid is skewed. (Notice that the individuals here are customers and the variable is the amount

    asked by Ujash on October 5, 2014
  41. Chemistry

    24. Identify a source of error for the experimental design of the cobalt(II)chloride system In the experiment, there were three test tubes. All of them contained cobalt(II)chloride. Test tube 1 was the constant, therefore, did not change throughout the

    asked by need helpp on May 26, 2018
  42. Math

    Two software companies are developing new android apps. The average profit per x hundred downloads earned by each company can be modelled by the rational functions below, where x > or equal to 0. Trance Media: G(x)=80x+150/x Ellen's incorporated:

    asked by Caroline on July 25, 2017
  43. Chemistry

    A voltaic cell designed to measure [Cu2+]is constructed of a standard hydrogen electrode and a copper metal electrode in the Cu2+ solution of interest. 1. If you wanted to construct a calibration curve for how the cell potential varies with the

    asked by Jina on December 14, 2010
  44. Math

    Two software companies are developing new android apps. The average profit per x hundred downloads earned by each company can be modelled by the rational functions below, where x > or equal to 0. Trance Media: G(x)=80x+150/x Ellen's incorporated:

    asked by angelina on July 23, 2016
  45. physics

    A pistol is fired horizontally and the bullet has a muzzle velocity (speed with which the bullet leaves the barrel) of 31.3 m/s. The gun is 50 m above the surrounding terrain. a) How far away does the bullet land measured horizontally from a point directly

    asked by Xin Zhang on March 7, 2012
  46. anthropology

    I am doing a course project. I am having some issue on this part. Politician System Subsistence Bands. This is what I came up with. Bands are the key social /political assemblage, be an average of 50- 80 per band. Generate a “face to face” for the

    asked by jimmy on February 7, 2015
  47. Economics

    Please check my work! Thanks! 1. The employees of Abs “R” Us, which includes 12 fitness parlors in and around the metro area, feel they can improve the performance of the company. They decide to pool their resources to purchase the company. This would

    asked by Suli on February 12, 2012
  48. english

    I would like for someone to look over my assignment for accuracy. Thanks Rewrite the following sentences, focusing on the grammar area specified in the left column. If the sentence is already correct, write No Change. Punctuating Sentences The goose bit

    asked by Rachael on November 30, 2007
  49. statistics

    How many TV's are there in your household?” was one of the questions on a questionnaire sent to 5000 people in Japan. The collected data resulted in the following distribution: Number of TVs/Household 0 1 2 3 4 5 or more Percentage 1.9 31.4 23.0 24.4

    asked by MissPatte on August 30, 2014
  50. Fine Arts

    3. Which of the following worked as an assistant on the first set of doors of the Florence Cathedral Baptistry? a. Michelangelo b. Brunelleschi c. Donatello d. Ghiberti 8. Which of the following artists created works with such small details that

    asked by mysterychicken on January 5, 2011
  51. English Essay

    Hi, I would like you to check my essay and see if I have maintained "verb tense consistency" Here is my essay: The use of social networking sites is an experience shared by many educators and students. In Livingston Senior High School Handbook, the Media

    asked by vid on March 7, 2011
  52. Calculus

    Solve identity, (1-sin2x)/cos2x = cos2x/(1+sin2x) I tried starting from the right side, RS: =(cos²x-sin²x)/(1+2sinxcosx) =(cos²x-(1-cos²x))/(1+2sinxcosx) and the right side just goes in circle. May I get a hint to start off?

    asked by sh on February 27, 2010
  53. statistics

    government data assign a single case or each death that occurs in the u.s. the data show that the probability is 0.45 that a randomly chosen death was due to cardiovascular disease, and 0.22 that i was due to cancer. Suppose a docote checked the cause of

    asked by josh on October 24, 2011
  54. brain teaser

    Using all of the letters A to Z only once complete the following words. *e*er **eue **o ma* *p*a*e* *erso* ***k*am*on *ouse *a* *ur* ***igent Please note that we don't do students' homework for them. In addition, a better place to post riddles and brain

    asked by Ameen on March 5, 2007
  55. English

    I urgently need you to check this mail, Writeacher. I also included a few other sentences. Thank you very much. 1)I'm Mr. ....., the father of ...,who will be taking a summer course in Oxford from ... to.. 2) I just wanted to know if you have received all

    asked by Matthew on April 3, 2012
  56. English

    Can you please check if my sentences are possible? Thank you 1)When she was born,the doctors noticed that she had a problem with her feet. 2)She was operated on her feet (?)/(She underwent an operation) and the doctors amputated her feet and part of her

    asked by Franco on November 16, 2010
  57. English III

    Which definition below describes stream of consciousness? A. A succession of ideas and images constantly moving forward in time but in a random pattern, represents the mind at work**** B. Reflections on a personal event ordered logically C. A persuasive

    asked by ♥Nirvana♥ on February 16, 2016
  58. business

    is the trade-off between the necessity of writers, musicians, artists, and movie studios to profit from their work and the free flow of ideas for the public benefit. Movie (and music) industry participants claim that encryption programs are necessary to

    asked by Anonymous on October 29, 2011
  59. Physics

    I agree with this and see were it comes from net force = (delta p)/t so momentum is conserved when net force equals zero... net force = (delta p)/t 0 = (delta p)/t however the following is not true 0 = (delta p)/t = P - Po were p is momentum and Po is used

    asked by Physics on October 3, 2009
  60. Chemistry

    Sodium chloride dissolves in water (solubility in water is 361g/1L), but copper (II) phosphate does not dissolve in water (insoluble). A. Describe in a stepwise fashion how the solid sodium chloride dissolves in the water to form a solution. (name the

    asked by Anonymous on December 6, 2015
  61. English

    How do I determine the tone of a sentence? And how do I change that tone. Tone: http://www.tnellen.com/cybereng/lit_terms/terms/3terms.html#Tone http://web.cn.edu/kwheeler/lit_terms_T.html "TONE: The means of creating a relationship or conveying an

    asked by Jr on October 10, 2006
  62. Typo (Test Marked)

    Okay i had a typo i for got to add stars..i had emojis next to it that didn't show up What number is 73% of 215? (1 point) 215 = 0.73n n = 0.73 × 215 * 0.73 = n × 215 215 = 73n 2. What percent of 94 is 23? (1 point) n/94 = 23/100 23/94 = n/100 * 94/n =

    asked by Crystal on January 6, 2016
  63. math

    There are 18 boys and 60 girls working on a community service project. They work in groups where each group has the same number of boys and the same number of girls. Q1: What is the first step to finding the greatest number of groups possible? A. Multiply

    asked by Kyle on October 8, 2014
  64. AP Physics

    A cord runs around two massless, frictionless pulleys; a canister with mass m=20 kg hangs from one pulley; and you exert a force F if you are to lift the cord. a) What must be the magnitude of F if you are to lift the canister at a constant speed? b) To

    asked by Mikaela on December 14, 2009
  65. Algebra

    Mr. Scrooge bought 4 packages of ground beef. The second package weighed three times as much as the first, and the third package weighed half as much as the second. The fourth package weighed fifteen ounces, which was three ounces more than the third

    asked by Help on December 12, 2012
  66. Math

    This is how the problem starts. All the cbana doors start out being closed. Student assigned to cabana 1 opens the doors on all 100 cabanas. The students assigned to cabana #2then closes doors on all cabanas whose numbers are multiples of 2. Th e student

    asked by Teresa on January 2, 2007
  67. algebra

    could you please show me how to do this problem? Bob rows 6 miles downstream in 1 hr, joe rows 6 miles upstream in 2 hr. joe rows 1 mile per hour faster. a. what is each of their speed, bob 6/1=6mph joe 6 + 1 = 7mph is this right?? b. what is the current

    asked by ann on April 15, 2012
  68. chemistry

    When 0.667 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 108C is observed. Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC. what is the molar heat of reaction,

    asked by blasting on February 17, 2010
  69. chemistry

    Assume that no heat is lost to the surroundings and calculate the enthalpy involved when 200. mL of .10 M potassium hydroxide and 200. mL of .10 M hydrochloric acid are mixed. Both solutions began at room temperature, 24.5 degrees celsius, and have

    asked by Devon on April 14, 2014
  70. Geometry

    A triangle is reflected across line L and then across line m. If the lines intersect, what kind of isometry is this composition of reflections? translation rotation reflection glide reflection*****? After a glide reflection, the point x is mapped to the

    asked by SkatingDJ on November 18, 2015
  71. French

    Good evening, could you check over these sentences to see it i have translated the english correctly INTO FRENCH. Merci!! Today, we study and research space, for things like our atmosphere, the sun, asteroids and comets, moons and everything that make up

    asked by Sabrina on June 10, 2008
  72. chemistry- DrBob

    Last week i did a lab and i just wanted to show you my results because my computer was acting weird when i used the voltage probe.(I just needed you to check that the cathode and anodes and voltages make sense) CuSO4(cathode)and Al2(SO4)3 (anode)--[0.050V]

    asked by Amy on May 16, 2008
  73. Mathamatics

    I need help figuring out these two math word porblem: 1) A sales tax of 6% of the cost of a car was added to the purchase price of $29,500. a. how much was the sales tax? b. What is the total cost of the car, including sales tax? 2) During the packaging

    asked by Tati on November 15, 2008
  74. physics

    In a farm yard, a 20.0-kg light is suspended from a light beam on the end of a tall pole. The beam is supported by an arm that attaches to the beam at the suspension point of the light, as shown in the diagram below. The arm makes an angle of 50.0 with

    asked by Trex on March 22, 2015
  75. Physics

    A cylinder is fitted with a piston, beneath which is a spring, as in the drawing. The cylinder is open at the top. Friction is absent. The spring constant of the spring is 4100 N/m. The piston has a negligible mass and a radius of 0.023 m. (a) When air

    asked by Mary on April 24, 2007
  76. PHYSICS

    A pen contains a spring with a spring constant of 228 N/m. Whe the tip of the pen is in its retracted position, the spring is compressed 4.40 mm from its unstrained length. In order to push the tip out and lock it into its writing position, the spring must

    asked by need on December 14, 2010
  77. Deepa

    A bus service carries 10 000 people daily between Ajax and Unoin Station, and the company has space to serve up to 15 000 people per day. The cost to ride the bus is 20$. Market research shows that if the fare increases by $0.50, 200 fewer people will ride

    asked by Calculus on April 26, 2014
  78. Math

    My Math work instructions is place the numbers from least to greatest. 7 squared, 2, 8/2 squared = 2, seven squared, and 8/2 squared. 10 squared, pi, 3.5 = pi, 3.16, 3.5. 220 squared, -10, 100 squared, 11.5 = -10, 220 squared, 100 squared, 11.5. 8 squared,

    asked by Tamara on September 1, 2015
  79. Physics

    Can someone provide me some input on the question below. Please respond. A string trimmer is a tool for cutting grass and weeds; it utilizes a length of nylon "string" that rotates about an axis perpendicular to one end of the string. The string rotates at

    asked by Jim on March 14, 2007
  80. Geometry

    How do I write an equation of a line perpendicular to the graph of -2y + x =-5 that passes through the point at (1,2) Given the line -2y + x =-5, solve for y so the equation is in this form: y = mx + b Once you know the slope, m, you also know the slope of

    asked by Mishka on October 31, 2006
  81. trigonometry

    Solution of problem:from the top of a building 55 ft high, the angle of elevation of the top of a vertical pole is 12 degrees, At the bottom of the building, the angle of elevation of the top of the pole is 24 degrees. find the height of the pole.

    asked by alex on December 4, 2015
  82. chemistry

    Compound B is acetylcholine, a neurotransmitter found in the human body. It binds to receptors, leading to nerve stimulation. (in case this post does not show correct, two of the CH3 should be above and below the N^+ , AND THE O should be above the C)

    asked by trigger on January 29, 2009
  83. math

    Hi, I was working on my math homework and I was stumbling on these problems. I tried looking at the solutions but my answers were completely off. Here are the ones I'm stuck on: If vectors O(0,0,0), A(6,0,0), B(6,-sqrt(24), sqrt(12)), and C(0,-sqrt(24),

    asked by jack on April 19, 2017
  84. physics

    he question is: A spherical capacitor contains a solid spherical conductor of radius 0.5mm with a charge of 7.4 micro coulombs, surrounded by a dielectric material with er = 1.8 out to a radius of 1.2mm, then an outer spherical non-conducting shell, with

    asked by Josh on May 1, 2011
  85. Physics

    A vertical spring with a spring constant of 450 N/m is mounted on the floor. From directly above the spring, which is unstrained, a 0.30 kg block is dropped from rest. It collides with and sticks to the spring, which is compressed by 3.0 cm in bringing the

    asked by Mary on April 4, 2007
  86. Intro to Psychiology 1

    Basic arithmetic is not an easy task for Jeanne. In fact, she has to work hard at understanding mathematical concepts. She finds it hard to believe that basic math skills are: A) Present in all species B) A natural inclination, because they relate to

    asked by Anonymous on August 25, 2009
  87. math, bobpursley

    so how did you say to do part c c) if there is 2 woman and 5 men in the group, how many delegations would include at least 1 woman? would it be the answer to part a minus the number of 2 man pairs which will give me: 21 - 5combination 2 = 21-10 = 11 Ooops,

    asked by student on July 6, 2007
  88. Geometry

    What is the radius if: degree of measurement of arc=30 length=1/3xy(pi) My answer was 8xy. degree of measurement of arc=40 length=8/9(t)(pi) My answer was 9t. degree of measurement of arc=18 length=6(y)pi My answer was 45y. These are the questions I

    asked by Temperance on June 14, 2010
  89. Engineering

    -From the following two linear homogeneous algebraic equations:(sqr= square root) (1) B*sin(kl/sqr2) = D*sin(kl) (2) (k/sqr2)*B*cos(kl/sqr2) = (k)*D*cos(kl) -Form matrix of these 2 equations and solving the determinant=0 will lead to:

    asked by Chris on October 30, 2011
  90. math

    Solve the problem. 31) For a party, Mary has to bake 5 cakes, 3 pies, and 4 trays of cookies. One cake requires 2.5 cups of flour, one pie requires 1.25 cups of flour, and one tray of cookies needs 0.75 cups of flour. How much flour in all does Mary need

    asked by Anonymous on February 26, 2011
  91. 8th grade

    People can be left-handed, right-handed or ambidextrous. The number of boys in Canadian secondary schools who are left handed is about 1/7 the number of boys who are right-handed. About 11% of boys are left-handed. Write and solve an equation to determine

    asked by Tyler on January 26, 2009
  92. College Algebra

    Suppose that the length of a rectangle is 3 inches longer than the width and that the perimeter of the rectangle is 78. Set up an equation involving only L, the length of the rectangle. Solve this equation algebraically to find the length of the rectangle.

    asked by Alicia on November 16, 2007
  93. math

    115-100+3*5= 115-100+3*5...Use BEDMAS (Bracket, Exponent, Division/Multiplication, Addition/Subtraction). So you would first do 3*5 which is 15. So you'd have: 115-100+15 And then from there solve to get 30. It's PEMDAS Raj!! P - PARENTHESSE E - Exponent M

    asked by asafa on February 21, 2007
  94. Chemistry II

    Eugenol, the active ingredient in cloves, has a formula of C10H12O2. What is the boiling point of a solution containing 1.14g of eugenol dissolved in 10.0g of benzene? The boiling point of benzene is 80.1C and the boiling point elevation constant for

    asked by Mandy on September 28, 2009
  95. English - Please help quickly!!

    I need help with making a thesis statement for an essay I have to write on the book Poisonwood Bible The prompt I have says : Choose a novel or play that depicts a conflict between a parent and a son or daughter. Write an essay in which you analyze the

    asked by Tessa on September 30, 2013
  96. AP chemistry! Please Help

    Consider the reaction of peroxydisulfate ion (S2O82-) with iodide ion (I -) in aqueous solution. S2O82-(aq) + 3 I -(aq) ¨ 2 SO42-(aq) + I3-(aq) At a particular temperature, the rate of disappearance of S2O82- varies with reactant concentrations in the

    asked by Kaanha on January 5, 2012
  97. Chem- PLZ HELP!

    Consider 100g of 5.5% (mass) solution of NaNO3. Complete the following table, before calculating molarity, molality and mole fraction of NaNO3. Solute(NaNO3)|Solvent(H2O|Soln Mass(g) 100g Moles ---- RefInfo 85g/mol 18.02g/mol Density=1.00g/mol (This goes

    asked by Kate on March 3, 2011
  98. Chemistry

    Can someone show and explain to me step by step how to do the problems? I feel like I am doing it incorrectly. a) The solubility of PbI2 is 3.67 mg per mL. What is the Ksp? b) Three drops of 0.20 M potassium iodide are added to 100.0 mL of 0.010 M lead

    asked by Miki on March 25, 2014
  99. Math-Stat

    Jane and Bob are on the same game show. They answer one question, either True or False. The probability that Bob is correct is 70%. The probability that Jane is correct is also 70%. Moreover, the probability that Bob is correct given Jane is either correct

    asked by Mohamed on January 29, 2013
  100. Triangles math

    I want to confirm if I understood . Problem states : Draw a right triangle with a base of 2 units and a height of 3 units. Make three “copies” so that the lengths of the new sides are 50%, 300%, and 500% of the original. Solution: 1st triangle

    asked by Jessica on January 18, 2017

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