melody

Most popular questions and responses by melody
  1. ELA

    Hello! I just wanted to double check my answer to see if I am thinking correctly. Read this passage: The principle of the mercury boiler is the utilization of mercury between the fire and the under-boiler surface exposed to the flame — the mercury, when

    asked on May 15, 2018
  2. Math

    A cheetah travels at a rate of 90 feet per second. The distance, d, traveled by the cheetah is a function of seconds traveled. Write a rule for the function. How far will the cheetah travel in 25 seconds?

    asked on March 15, 2018
  3. Math

    Convert the map scale to a unit rate. How many inches represent a mile? Show your work. Interpret the meaning of the unit rate. 3/10 in.=7/8 mile

    asked on November 11, 2017
  4. Sciene

    Portfolio: you will design an experiment to investigate the relationship between the number of coil loops and the strength of a solenoid. One you have an experiment plan, carry out your experiment and record data. After finishing conducting experiment,

    asked on April 1, 2015
  5. Math

    Suzanne bought 50 apples at the apple orchard.she bought 4 times as many red apples as green apples.how many more red apples than green apples did Suzanne buy?

    asked on November 14, 2013
  6. Science

    Portfolio: you will design an experiment to investigate the relationship between the number of cool loops and the strength of a solenoid. Once you have an experiment plan carry out your experiment and record your data. After you have finished conducting

    asked on April 1, 2015
  7. Chem

    how many millimeters of 0.200M FeCL3 are needed to react with an excess of Na2S to produce 1.38g of Fe2S3 if the percent yield for the reaction is 65.0%

    asked on March 8, 2015
  8. Maths

    On Saturday Derek picked pears from 32 trees. His picked average of 17 pears per tree. Sunday he picked more pears averaging 12 pears per tree. Over the whole weekend he picked an average of 14 pears per tree. How many trees did Derek pick from on Sunday?

    asked on July 25, 2013
  9. URGENT Physics help

    An attractive force of 7.2 N occurs between two point charges that are 0.10 m apart. If one charge is 4.0 µC, what is the other charge? (µC = 1.0 × 106 C) (Points : 3) 1.0 µC 2.0 µC +1.0 µC +2.0 µC Which substance is most easily grounded? (Points :

    asked on May 7, 2014
  10. English

    Good afternoon! I was wondering if I could have a second-hand opinion for my answer. It's a study guide question for a test, so I want to make sure I have it right. Thank you in advanced. 1st Question: Read the passage: Sergeant: ...For brave

    asked on April 28, 2018
  11. English

    Is there always both an antagonist and protagonist in a story or can there just be a protagonist. The book that I'm talking about is New shoes for Sylvia and I only think there is a protagonist

    asked on September 16, 2010
  12. grammar

    3.She is tender to percussion and palpation over the right lower quadrant. over is the preposition, is to also a preposition in this sentence

    asked on June 15, 2011
  13. Chemistry

    In reverse osmosis, water flows out of a salt solution until the osmotic pressure of the solution equals the applied pressure. If a pressure of 59.0 bar is applied to seawater, what will be the final concentration of the seawater at 20 °C when reverse

    asked on February 18, 2012
  14. physics

    Two point charges are located as shown in the figure, with charge q1 = +3.2 C at x = − 3.0 m, y = 0, and charge q2 = +2.5 C at x = +1.0 m, y = +2.0 m. An electron is now taken from a point very far away and placed at the origin. How much work must be

    asked on October 2, 2010
  15. Physics

    A sample of helium behaves as an ideal gas as it is heated at constant pressure from 278 K to 353 K. If 40 J of work is done by the gas during this process, what is the mass of the helium sample? The universal gas constant is 8.31451 J/mol · K. Answer in

    asked on April 28, 2019
  16. MELODY

    The parachute on a race car of weight 8850 N opens at the end of a quarter-mile run when the car is traveling at 31 m/s. What total retarding force must be supplied by the parachute to stop the car in a distance of 1000 m? [so for this one, i need to know

    asked on October 24, 2009
  17. algebra

    h/j=15 for j

    asked on September 19, 2016
  18. physics

    Two point charges are located as shown in the figure, with charge q1 = +3.2 C at x = − 3.0 m, y = 0, and charge q2 = +2.5 C at x = +1.0 m, y = +2.0 m. An electron is now taken from a point very far away and placed at the origin. How much work must be

    asked on September 29, 2010
  19. math

    Explain the difference between |-3| and -3

    asked on September 13, 2018
  20. social studies

    why was the Great Wall of china build?

    asked on March 12, 2009
  21. Math

    3a-4≥5 What is the answer?

    asked on November 4, 2017
  22. Math

    Mr McDonald has some ducks and goats in his farm. If he counted a total of 94 legs and 30 heads, find the number of ducks and the number of goats in his farm.

    asked on August 2, 2016
  23. ELA (check answers)

    We were about a quarter mile away when quiet swept over the colony. A thousand or more heads periscoped. Two thousand eyes glared. Save for our wading, the world's business had stopped. A thousand avian personalities were concentrated on us, and the

    asked on February 25, 2016
  24. Chemistry

    Based on crystal field theory, which of the following metal ions will not be colored when placed in an octahedral crystal field? Au+ Fe3+ Ag+ Au3+ Nb3+

    asked on November 9, 2011
  25. Discipline and Guidance

    Two children are fightining over the blue marker. According to constructivist discipline, what is the best approach for the caregiver in this situation? A. Take the blue marker from both children and tell them to clean up their work,since they cannot get

    asked on January 11, 2007
  26. science

    A radio acoustic sounding system (RASS) instrument uses 404-MHz radio waves (wavelength = 0.743 m). (a) What is the wavelength of the sound waves used to measure air temperature? ë = ___ m (b) If the Doppler shift of the radio wave reflected from a region

    asked on February 13, 2008
  27. Biology

    Why must the test tubes be thoroughly cleaned and dried when one part of the procedure is completed, before starting the next part of the procedure?

    asked on September 19, 2018
  28. Algebra

    solve linear equation-an alloy of metal is 25% copper. Another alloy is 50% copper. how much of each alloy should be used to make 1000 grams of an alloy that is 45% copper

    asked on October 19, 2007
  29. trigonometry. Math

    In a triangle PQR, angle Q=50 degrees,PR=5CM, QR=4CM. find angle P?

    asked on January 26, 2011
  30. Social Studies (9th grade)

    How did the Trojan War affect people of its own time and our world today? Thanks so much:]

    asked on October 15, 2009
  31. guidance and discipline

    Miss Vickers second grade class is having a great time with math centers. They are seated where they are comfortable,some on the floor and some at tables.The students are working with manipulatives they chose from the math shelves. They are talking quietly

    asked on January 12, 2007
  32. Geometry

    A circle with center O has a radius of 4 feet. Points A and B are placed on the circle so that . Find the length of the intercepted . Use 3.14 for , and round your answer to the nearest tenth. A. 1.1 feet B. 1.2 feet C. 1.4 feet D. 2.1 feet

    asked on December 15, 2016
  33. math

    regular milk has 4% butterfat. How many litres of regular milk must be mixed with 40 L of milk with 1% butterfat to have milk with 2% butterfat?

    asked on August 31, 2014
  34. Biology

    3) The following statements are generalizations about cell signaling events made by a student with a basic knowledge of biology (a little knowledge is a dangerous thing). Your professor has requested that you tutor this student. You note that in each case

    asked on October 15, 2012
  35. Organic Chemistry

    what is wrong with the idea that the reaction of maleic acid with zinc and aqueous HCL would yield tetrahydrofuran?

    asked on October 30, 2010
  36. science

    Please help me with these questions I have looked all threw my book but i cant find them. 7. Why are we not sure about the interior of the earth? Do we know for sure why? 12. Some volcanoes are more explosive than others? What makes this diffrence in

    asked on January 19, 2008
  37. Maths/Physics

    An athlete is training and is required to perform shuttle runs. From the starting position they sprint out to 10m (this takes 2 seconds). I know that a = 5m/s/s but I need to know at what metre within the run would maximum acceleration occur. Appreciate

    asked on August 29, 2013
  38. Maths

    The first term of an AP is 3 and the eleventh term is 18.find the number of terms in the progression if the sum is 81.

    asked on August 28, 2013
  39. calculus

    How do I set-up/solve this problem? Please help me. The half-life of the radioactive isotope gallium-70 is 20 minutes. If the initial amount of gallium-70 is 25 milligrams, when will 10 milligrams be left?

    asked on February 17, 2011
  40. chemistry

    equation of the reaction of hydrochloric acid and iron sulphide

    asked on November 29, 2010
  41. Maths

    I have a trig question regarding a ferris wheel, radius 35m, axles 37m, clockwise direction, rotates twice every 10 mins. I have calculated the following function: h = -35cos(2pi*X/5)+37 I have calculated at what height I would be after 3 minutes by

    asked on October 13, 2009
  42. Math 116

    The formula R= -0.075t + 3.85 can be used to perdict the world record in the 1500 meter run, t years after 1930. Determine an inequality that identifies the years in which the world record will be less than 3.4 minutes. Soleve for t. t >__? round to the

    asked on October 2, 2009
  43. Sose

    I am researching fire ants for an assignment and need a map of where they were first introduced in Australia and where they have now spread in Australia. I have searched everything imaginable on google and found nothing. Can you please help me?

    asked on March 30, 2008
  44. launguage arts

    What does Adhere mean?? stick to to stick to Here are some good online dictionaries you can use when you need them: http://www.answers.com http://www.onelook.com http://www.yourdictionary.com =)

    asked on March 27, 2007
  45. Discipline Question- PLZ HELP

    Which statement about positive and negative attention is true? A. Giving a child negative attention will create a well-rounded adult who is confident B. A child who seeks positive attention will never try to get negative attention. C. Positive and negative

    asked on January 11, 2007
  46. science

    Hi, this question was posted by liverpool I see but has not been responded to after 2nd entry each time. What happens when a candle is alight. Having to show chemical/physical change. The question is 'Explained both changes using the Big Idea of Energy'?

    asked on October 22, 2006
  47. math

    the width of a rectangle is one third of the length. of the perimeter is 40 cm find the dimension of the rectangle

    asked on November 10, 2014
  48. math

    A 12 qrt. cooling system is checked and found to be filled with a solution that is 40 % antifreeze. The desired strength of the solution is 60% antifreeze. how many quarts of solution need to be drained and replaced with pure antifreeze to reach the

    asked on August 31, 2014
  49. Biology

    Compare and contrast fertilization in the mouse and the sea urchin – how they similar and how do they differ (and why?). Think about the structures, events and results. You might want to do this by breaking down the steps. Also address the key role of

    asked on October 15, 2012
  50. MATH: Pre-Cal/Trig

    The length of a rectangular flower garden is 6 more feet than its width. A walkway 3 feet wide surrounds the outside of the garden. The total area of the walkway itself is 288 square feet. Find the dimensions of the garden.

    asked on January 29, 2011
  51. Mathematics

    37.8 degrees

    asked on January 26, 2011
  52. Trig

    Are any of these three problems identities? 1. Cos^2x-sin^2x=1-2sin^2x 2. Sinxsecx=cosxcscx 3. Sec^4x-tan^4/sec^2x=1+sin^2x If so, how can you conclude that any of them are identities?

    asked on January 3, 2010
  53. Maths

    Two pistons A & B move backwards and forwards in a cyclinder. Distance x cm of the right hand end of piston A from point 0 at time t seconds is x=3sin(2t)+3 and the distance y cm of the left hand end of piston B by formula y=2sin(3t-pi/4)+8.5 The pistons

    asked on October 14, 2009
  54. math

    n/-3 + 5 >4 can someone help me?

    asked on November 7, 2017
  55. Math

    Explain how you know to use a variable in an addition or subtraction expression

    asked on November 3, 2017
  56. Math

    m-7

    asked on October 31, 2017
  57. math

    A news paper boy earns P93 a day how much did he earn in 15 weeks

    asked on October 16, 2017
  58. grammar

    is this correct? Harriet couldn't study for her comma quiz,because she was asked to open the door for the neighbor, whom the dog wouldn't leave alone in the yard.

    asked on May 20, 2016
  59. Math

    The mean of three test scores is 74. What must a fourth test score be to increase the mean to 78?

    asked on January 4, 2013
  60. Chemistry

    Energy Level Transfer of Hydrogen's electron. For each line, determine the prinicpal energy level to which hydrogen's electron was excited. When the electron fell to the 2nd level, energy was released corresponding to each of the lines. E= 2.179X10-18

    asked on November 7, 2012
  61. college physics,electric potential

    Four point charges, each with Q = 7.2 µC, are arranged at the corners of a square of edge length 3.6 m. What is the electric potential at the center of the square? V? Please show me how to solve this.Thanks

    asked on October 2, 2010
  62. physics

    Four point charges, each with Q = 7.2 µC, are arranged at the corners of a square of edge length 3.6 m. What is the electric potential at the center of the square? 1 V

    asked on September 29, 2010
  63. English

    Helllo I writing a poem about my p.e.team,can you please read my work and say what you think about it.Thanks I was delighted when I found out I was in Catherine Because Green was my favourite colour.

    asked on February 22, 2010
  64. Trig

    Are any of these three problems identities? 1. Cos^2x-sin^2x=1-2sin^2x 2. Sinxsecx=cosxcscx 3. Sec^4x-tan^4/sec^2x=1+sin^2x If so, how can you conclude that any of them are identities?

    asked on January 3, 2010
  65. math

    if a group of students are facing each other in a circle and student 2 is facing student 9 how do i find out how many students are in the circle

    asked on December 3, 2009
  66. math115

    Kristi jogged for 1/4 of an hour swam for 2/3 of an hour and rode her bike for 4/5 of an hour how long did she exercise? answer 1 hr 43 min Find the best buy on sugar (1LB is 16oz. )1 lb for $1.29, 12oz for $1.09 2 lbs 4 oz for $3.09 10 oz for $.99 answer

    asked on October 20, 2009
  67. Math

    I have another question I am stuck on that follows a previous question. How do I get an equation for the height of the car on the ferris wheel over a 10 minute period if we start the analysis one minute into the ride. Can I still use the original formula h

    asked on October 15, 2009
  68. science

    If the weight of a vehicle is doubled, would the deceleration of the vehicle be doubled? For example if a car decelerated at 6m/s, would a car double the size, decelerate at 12m/s or is their some other factor involved? Thanks for your help

    asked on May 17, 2008
  69. Physics

    The coldest and hottest temperatures ever recorded in the United States are -80°F (211 K) and 134°F (330 K), respectively. What is the speed of sound in air at each temperature? _____m/s at -80°F _____m/s at 134°F

    asked on February 13, 2008
  70. early childhood education--need help!!

    I need help with this question. Mr. White is having circle time with his first grade class. He is discussing the "th" blend and what words can be made by using this sound. He notices that after about five minutes, Mike is getting restless and not staying

    asked on January 16, 2007
  71. Guidance and Discipline Question

    Focusing on the person and their strengths and abilities is a way adults and children can help a child with ____________ adjust to the classroom. 1. special needs 2. behavior problems Wouldn't it be special needs? I am confused, because my friend says I am

    asked on January 12, 2007
  72. History

    How did the system (unitary government) help Qin Shi Huang control the country?

    asked on July 16, 2017
  73. Science

    I am doing an Animal project , I need a picture to show how an animal had bilateral symmetry! I couldn't find any pictures that could actually show that. Can you pleas help me? Thank you

    asked on November 14, 2016
  74. Algebra

    4r+12/8=5r-20/5=

    asked on November 5, 2016
  75. probability

    There are 6 blue,5 gray,and 5 green marbles in a hat.you pick 4 marbles from the hat. marbles are not returned after they have been drawn.P(the first marble is gray, the second marble is gray, the third marble is not gray, and the fourth marble is not

    asked on May 5, 2016
  76. Directions help (Biology)

    I have to do a research paper for my biology class, and I'm having a hard time understanding what to exactly write about. The directions are written way different then how my teacher has ever addressed anything, I emailed her for clarification but it

    asked on February 15, 2016
  77. Maths

    There are 3.33 litres of part A and 6.67 litres of part B. When they are completely mixed together, they make 10 litres of paint. How much of part B would you need if you are only using one litre of part A

    asked on December 1, 2015
  78. Mathematics

    How would i go about tranposing this equation so that I end up with a value for x? Please include working. Thankyou 315.414=2πx^2+860.16/x

    asked on April 26, 2014
  79. college history

    The evolution of the socio-political and cultural milieu that created the conditions necessitating and including the formation of the: (a) Declaration of Independence (b) the Constitution (including the Bill of Rights)

    asked on October 19, 2013
  80. math

    ellen bought 4 1/4 yards of fabric for $3.25 per yard. how much was ellen charged for this fabric. I know 4x 3.25 is 13.00 dollars so far how do I get the rest solved help I have a bunch more like this

    asked on April 28, 2013
  81. physics

    How much work (as measured in joules) is required to push an electron through a region where the potential change is +73 V? Assume the electron moves from a region of low potential to a region of higher potential. 1 J

    asked on September 29, 2010
  82. English

    What is a creative title for my paper. I'm doing on theme for a novel. We can't use the title of the book as the title of our paper? I can't come up with anything.. Any suggestions would be helpful

    asked on September 16, 2010
  83. Chemistry

    What is the molar hydronium ion concentration in solutions with pH values of a) 3.45 and b) 10.290. How do you work these problems?

    asked on May 6, 2010
  84. English

    This is my whole poem. My poem dosen'thave to rhyme. The Green Team is like an angel,dancing through the beautiful blue sky. It is a miracle having Dearbhail,Amber,Stacey, Marina,Kudzayi and Sophie in Catherine. We work as a Team with no Fight's or

    asked on February 22, 2010
  85. math115

    which numbers are prime numbers 37,39,41,43 answer 37,41,43 John spent 1/3 of his study time doing math homework and 3/5 preparing for a history exam what fraction of his study time remains? answer 1/15 Solve for the unknown 2/7/20=1.6/ranswer 112

    asked on October 20, 2009
  86. music

    Can you please post all the music theory intervals? It is for Rudiments 1 and 2 please. Like perfect 5th and augmented 6th. Thanks

    asked on January 30, 2008
  87. cultural diversity

    What are some measurements used by sociologists to calculate prejudice. http://www.jiskha.com/search/search.cgi?query=sociologists You'll find previous responses to this same question among the links here. =)

    asked on May 25, 2007
  88. fish

    I think the michigan fish is either blue gill or sun fish? Am I right. If not what is it. I believe that it is the Rainbow trout According to this site, Michigan's state fish is the brook trout. http://www.enchantedlearning.com/usa/states/michigan/

    asked on March 28, 2007
  89. Child Development Question--Plz Help!!!

    When shown the following two rows of dots, the preoperational child would say ...... . . . . . . A. both rows have the same number of dots B. the bottom row has more dots C. the top row has more dots D. the top row is shorter PLEASE HELP!!! b. The

    asked on November 16, 2006
  90. Math

    What fraction of 1 litre is 1 millilitre

    asked on March 11, 2018
  91. math

    n/-3 + 5 >4 can someone help me?

    asked on November 7, 2017
  92. math

    n/-3 + 5 >4 can someone help me?

    asked on November 7, 2017
  93. English - Analysis of quotation

    I need help analysing a quote for an English assignment but I can't find the deeper meaning: "Day of wrath, that day of burning, Seer and Sibyl speak concerning, All the world to ashes turning." ~ Abraham Coles I would be very grateful if someone could

    asked on June 11, 2017
  94. maths

    A cone is 6cm high and its vertical angle is 54degrees. Calculate the radius of its base. MY ANSWER tan54=x/6(let x be the radius) 6*tan54=x 6*1,3764=x 8,2584=x 8,2584/2=x 4,1292cm=x

    asked on September 20, 2016
  95. probability

    there are 6 orange, 5 pink, and 3 white marbles. marbles not returned. P(first marble orange, second marble not white, third marble not orange. I thought but wrong.6/14*10/13*8/12=480/2184

    asked on May 5, 2016
  96. Maths

    Please help me to understand transposing equations. In this example I need to find y x^2=y^2-r^2/y^2 Thank you for your help

    asked on February 9, 2014
  97. Physics

    we have to transpose the following equation to find p, but I don't quite understand how to come up with the correct answer: x^2/p^2 + y^2/q^2 = 1 Appreciate help, thanks

    asked on February 5, 2014
  98. Physics URGENT HELP

    An athlete is training and is required to perform shuttle runs. From the starting position they sprint out to 10m (this takes 2 seconds). Where would the maximum acceleration occur? Justify your answer. Please help! Thankyou.

    asked on August 29, 2013
  99. Physics

    An athlete is training and is required to perform shuttle runs. From the starting position they sprint out to 10m (this takes 2 seconds). Where would the maximum acceleration occur? Justify your answer. Please help! Thankyou.

    asked on August 29, 2013
  100. Biology

    11) The recent Nobel Prize in Physiology or Medicine was awarded based on two sets of experiments. The first of these is described in the following abstract: An important problem in embryology is whether the differentiation of cells depends upon a stable

    asked on October 15, 2012

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