Questions Asked on
May 2, 2016

  1. Science Check Answer

    1. Which of the following is the correct definition of minerals? A) A naturally occurring, inorganic solid that has a crystal shape and definite chemical composition. B) A naturally occurring, inorganic solid that forms through crystallization of melted

    asked by Tim
  2. Art

    What message was the designer of this hamburger ad hoping to send with the catchphrase homestyle? This burger will allow you to experience new exotic tastes. This burger will taste as good as one you would make with the family. this burger is your best bet

    asked by Lola
  3. English

    Read the following passage "I don't know anything," he said, "except that I'm beginning to be sorry we bought that room for the children. If children are neurotic at all, a room like that -" "It's supposed to help them work off their neuroses in a

    asked by Erin
  4. English

    Please check my answers :) The passage is The Miracle Worker by William Gibson. *** Means my answer 1)What does Annie's dialogue in the passage reveal about her character? A) She is proud and indifferent B) She is sarcastic and cynical C) She is timid and

    asked by Alexia Smith
  5. science

    Thermal energy is caused by motion of? 1. mixing water molecules contained in a beaker 2. molecules in soild liquid and gas phases 3. mixing molecules together 4. molecules that have reached equilibrium the density of an object with the volume of 60.0 mL

    asked by jj
  6. Science

    1. Which of the following is the correct definition of minerals? A) A naturally occurring, inorganic solid that has a crystal shape and definite chemical composition. B) A naturally occurring, inorganic solid that forms through crystallization of melted

    asked by Tim
  7. Math Help

    the weather forecaster says the planet temperature is 3F. He expects the temperature to fall 5 degrees during the night. How cold will it get? A) 2 F B) -2 F C) 8 F

    asked by Donut🍩
  8. Geography

    Humans migrated to the following areas in which order????

    asked by Maddie♥
  9. LA

    Whose attitude towards Scrooge is the most severe? Marley's Bob Cratchit's the Ghost of Christmas Present Mrs. Cratchit's

    asked by Mak
  10. physics

    to go from town a to b a plane must fly about 1780km at an angle 30° west of north . how far north of A is B ?

    asked by Anonymous
  11. Science

    which two conditions are required for cloud formation? A) high humidity and warm temperatures. B) high humidity and cool temperatures. C) warm temperatures and the presence of particles. D) cool temperatures and the presence of particles. Is there a link I

    asked by Tim
  12. Language Arts CHECK AND CORRECT, THANKS! :)

    Selection 1: There's good news and bad news about grizzly bears in the American West. The good news? Their numbers have been increasing in recent years. In 1975, grizzlies made the threatened-species list under the federal Endangered Species Act. The bad

    asked by Ginger
  13. Calculus

    A light hangs 15 ft. directly above a straight walk on which a man 6 ft. tall is walking. How fast is the end of the man's shadow travelling when he is walking away from the light at a rate of 3 miles per hour?

    asked by Sandra
  14. L.A.

    Whose attitude towards Scrooge is the most severe? Marley's Bob Cratchit's the Ghost of Christmas Present**** Mrs. Cratchit's

    asked by mak
  15. Math

    Determine whether the two figures are similar. If so, give the scale factor of the smaller figure to the larger figure. Smaller figure: Length: 11 Width: 7 Height: 7 Larger figure: Length: 33 Width: 28 Height: 14 yes; 1:2 yes; 1:7 yes; 1:3 no I see a

    asked by SkatingDJ
  16. English

    In this passage, what is the first indication that the story takes place in the future the parents hearing a roar of lions the parents denying their children the use of the rocket the parents complaining about their children the description of a room that

    asked by Lynne
  17. Geometry

    The volumes of two similar figures are given. The surface area of the smaller figure is given. Find the surface area of the larger figure. Smaller figure: V = 2 yd^3 SA = 13 yd^2 Larger figure: V = 250 yd^3 SA = ??? Please help? Thanks

    asked by SkatingDJ
  18. Science test review

    Here are all the word you can use I need help chemical property mixture heat capasity homogeneous viscosity sublimitation physical property compound chemical formula substance density mass tempurature pressure heterogenerous 14. A property of matter

    asked by jj
  19. pre-algebra

    Directions: Follow the instructions below to design a fair race for the new video game Animal Tracks. 1. Choose two animals with different speeds. You can choose from the chart that starts at the bottom of this page or do research to choose your own. 2.

    asked by _kylee17_
  20. history

    1. How did president John !@#$%^&ennedy most support civil rights? a. He favored voting rights laws ** b. He organized a march c. He established the peace corps d. He rode “freedom buses” 2. Which of the following was a result of the civil rights act

    asked by abstract
  21. Science

    In which of these situations is convection most likely the main form of heat transfer? Warm air from a heater on the first floor of a house moves to the upper floors. The sides of a metal pan become hot when the pan is placed on a stove burner. A person

    asked by Anonymous
  22. Geometry

    Which is greater, the total volume of three spheres, each of which has a diameter 5 in., the volume of one sphere that has a diameter 8 in., or the volume of a hemisphere with a diameter of 10 in.? a) The volume of three spheres, each with a diameter of 5

    asked by SkatingDJ
  23. English

    Please help if I did right! Thanks. Whose brilliant idea was this anyway?" Sarah asked." If people were intended to sleep on the ground and cook over a fire, we wouldn't have beds and microwave ovens." "Stop complaining," Emily said." At least you've got

    asked by Anonymous
  24. science

    kendra was looking at recipes in a cookbook. she divided some of the steps of a recipe into two columns. How would you label each column? A.) Column A shows sublimation; column B shows vaporization B.) Column A shows vaporization; column B shows

    asked by jj
  25. health

    without this system in the body you would get really sick because toxins and waste would build up. 1. cardiovascular 2. excretory 3.integumentary 4. muscular

    asked by billy
  26. Probability

    A raffle offers a first prize of​ $1000, 2 second prizes of​ $300, and 20 third prizes of​ $10 each. If 15000 tickets are sold at 50cents ​each, find the expected winnings for a person buying 1 ticket.

    asked by HANDSON
  27. Calculus

    A conical cistern is 10 ft. across the top and 12 ft. deep. If water is poured into the cistern at the rate of 1 cubic foot per second, how fast is the surface rising when the water is 8 ft. deep?

    asked by Claire
  28. Geography

    Which statement is correct? *Aborigines were the first people to settle Australia and New Zealand *Aborigines were the first people in Australia, and the Maori were the the first people in New Zealand *The Maori were the first people in Australia, and

    asked by Maddie♥
  29. English

    what can you infer about the Hadley family based on the beginning of the passage? They are well off financially*** They are careful with their money They are considerate of each other They are respectful of each other's privacy

    asked by Lynne
  30. Math

    what is the least perimeter of a rectangle with an area of 32 square feet

    asked by ???
  31. History

    3.)A slave's life was full of hardships and difficulties. Workdays were long and exhausting, full of backbreaking labor, and slaves would work 10 to 16 hours a day. Masters could hire out their slaves to work for other masters; however, the slaves were not

    asked by #FreeGucci
  32. math

    A high-speed elevator can rise 480 feet in 30 seconds. Which expression represents the rate, in feet per minute, of the elevator how do i get the answer

    asked by may
  33. science

    how do liquid water, ice, and water vapor differ from one another? A.) They are different states of matter B.) They are different compounds C.) They are made of different kinds of molecules. D.) They are mad of different kinds of atoms.

    asked by jj
  34. maths

    A glass cylinder with a radius 7 cm has water up to a height of 9 cm. A metal cube of 5 1/2 cm edge is immersed in ti completely. Calculate the height by which the water rises in the cylinder.

    asked by balkew
  35. English

    Based on reading the excerpt from Silent Spring by Rachel Carson, what can you conclude was the author’s purpose? A. to entertain B. to inform C. to persuade D. to analyze B?

    asked by quick help needed
  36. Math

    What is the unit rate of drink 4/5 L in 1/4 hour

    asked by Ellen
  37. math

    ronald reads 1,000 words in 5 minutes how do i write as a unit rate?

    asked by may
  38. language arts

    What does Annie's dialogue in the passage reveal about her character? a.she is proud and indifferent b.she is sarcastic and cynical c.she is timid and nervous d.she is confident and persistent from the miracle worker by William Gibson act 3 please help

    asked by lisa
  39. Social Studies (please check Ms. Sue)

    Please check this. Thanks! 1. How did World War 1 benefit South Carolina's economy the most? a. The government improved transportation systems.*** b. The government opened military bases for training. c. The people of South Carolina bought Liberty Bonds.

    asked by SpitFireRedHead
  40. Algebra

    The vertex of a parabola represented by f(x)=x^2-4x+3 has coordinates of (2,-1). Find the coordinates of the vertex of the parabola defined by g(x)=f(x-2). Explain how you arrived to your answer. My question: Would you move the parabola represented by f(x)

    asked by Anon
  41. health and physical

    the noise diaphragm and lungs are part of the _____ system A. circulatory B. excretory C.nervous D.respiratory

    asked by larry
  42. Physics

    an artist designs a mobile of light horizontal rods connected by vertical strings and supporting various shaped weights. Find the magnitudes w2, w3, and w4 if w1= 1.00 unit of weight. The numerical values given in the figure all have units of length.

    asked by Jessica
  43. History

    10.)Which of the following would best support the author's claim that more slaves were needed after the invention of the cotton gin? A.Examples of other inventions that affected slaves' lives B. Information related to the life and times of Eli Whitney

    asked by #FreeGucci
  44. Math

    Marissa bought 2 1/4 gallons of orange juice to make punch. How many qts of oj did she buy? Marissa bought 6 fewer pints of soda than oj. How many cups of soda did she buy?

    asked by Natalie
  45. English

    Which statement best describes the plot of “The Giant’s House” by Elizabeth McCracken? A. A boy and a librarian fall in love while searching for answers to the boy’s struggle of suffering from gigantism. B. A librarian and a boy suffering from

    asked by quick help please
  46. History

    12.)Which answer correctly summarizes the accomplishments of Lucretia Mott? A.)Mott founded several temperance and abolition groups. B.)Mott drafted a constitutional amendment to give women the right to vote. C.)Mott authored the Declaration of Sentiments

    asked by #FreeGucci
  47. English

    “New Directions” is a narrative essay. What does that tell you about Annie Johnson? A. She is a real person. B. She is a made-up character. C. She is related to Maya Angelou. D. She is a character in a movie. A?

    asked by quick help please
  48. science

    What is anything that has mass and takes up space? 1) Weight 2) Volume 3) Density 4) Matter When you measure the boiling point of mercury, you are investigating a ____. 1) Chemical change 2) Chemical property 3) Physical change 4) Physical property An

    asked by jai
  49. English

    Based on reading “Desiderata” and knowing that this word means “the items you needed for an archive to make it useful,” what can you conclude was the author’s purpose in writing this story? A. to inform B. to justify C. to recommend D. to

    asked by quick help needed
  50. English

    Based on what you know of the events of the story “The Cask of Amontillado,” Fortunato’s name in this story is an example of what literary element? A. irony B. characterization C. foreshadowing D. suspense A?

    asked by quick help needed
  51. History

    4.)Which answer best explains how folklore was important for enslaved families? (6 points) A.)It helped enslaved parents teach their children how to survive.*** B.)It helped enslaved families learn to read and write without help. C.)It helped enslaved

    asked by #FreeGucci
  52. life orientation

    identify your 3 human rights violation or discriminations and explain in an introduction paragraphy why you chose the specific human rights violation or discrimintion My rights are: The right for privacy . The right for security and safety . The right to

    asked by Mpho
  53. Earth science

    What is an example of a stable system? How were you able to determine whether or not this system is stable? Please don't attach files, my parents do not allow me to click on any attached files!

    asked by Please help!!!!!!!
  54. Science

    Six ways that the human rights violations influence individuals,groups and the broader south african community

    asked by Nompumelelo
  55. English

    Literary Analysis: Author’s Voice Read the selection. Then, answer the questions that follow. I’ve come to terms with my dreaminess, my absent-mindedness—well, okay, my ditziness! Why do I characterize myself this way? A few examples might make this

    asked by quick help needed
  56. Science

    A body of mass 10kg is acted upon by a constant force 20N for 3secs. Calculate the K.E gained by the body.

    asked by Chinyere
  57. Algebra

    Does the data in the table represent a direct variation or an inverse variation? x 1 3 4 7 y 5 15 20 35 Write an equation to model the data in the table

    asked by Kat
  58. health

    The peripheral nervous system (select all that apply) Is made up of the brain and spinal cord Links the body to the brain and spinal cord Is made up of sensory and motor neurons Is responsible for thought and reasoning I think it could be b and c?

    asked by Ashley
  59. History

    11.)What was the main contribution of Susan B. Anthony in the suffrage movement? A.)Anthony founded several temperance and abolition groups. B.)Anthony helped found the NWSA with Elizabeth Cady Stanton. C.)Anthony drafted a constitutional amendment to give

    asked by #FreeGucci
  60. Math

    what is the greatest perimeter of a rectangle with an area of 39 square feet

    asked by Mimi
  61. Finance

    Bridgette's grandparents opened a savings account for her and placed $500 in the account. The account pays 5.5% interest. Bridgette wants to be a singer and she has her heart set on a new karaoke machine. The machine costs $150. How much less will the

    asked by sabby grewal
  62. social studies

    part a which of the following conflicts does the dialogue reveal.

    asked by kayli
  63. Math

    Use inductive reasoning to describe the pattern. Then find the next two numbers in the pattern. 3,3.04,3.08,3.12,....

    asked by Sid.V
  64. Calculus

    A particle travels along the parabola y=ax^2+x+b. At what point do its abscissa and ordinate change at the same rate?

    asked by Alexa
  65. math

    Sam Seller offers credit at 19% interest per year. To the nearest tenth, APR = ?

    asked by josh
  66. life orientation

    clearly describe a recent corruption and fraud case in the country making headlines in the media:who the players are who got involved,the extent to which it linked to other crimes,role played by the media and that of the state to deal with this crime

    asked by terry
  67. English

    Literary Analysis: Plot Read the selection. Then, answer the questions that follow. I smiled to myself as I remembered the game that made me a star ten years ago . . . The rain was pouring down as I stepped out onto the football field. It was the last game

    asked by quick help please
  68. math

    Translate this sentence into an equation. The difference of Rick's age and 9 is 69 Use the variable r to represent Rick's age.

    asked by Anonymous
  69. Civics (Ms. Sue)

    Describe each of the four major U.S. regions. Focus on facts and details that make each region different or unique. Choose one cultural landmark for each U.S. region. You will have four landmarks. You may choose from those in the lesson. Describe why you

    asked by FluttershyK22
  70. Science

    What is an example of a stable system? How were you able to determine whether or not this system is stable? I really appreciate your help!

    asked by blackbeltninja
  71. Chemistry

    Mercury(II) sulfide, HgS, is practically insoluble in pure water. Its solubility at 25 degrees C is probably no more than 3×10^−25 g/L. Of the following quantities of pure water, which is the smallest quantity that could be used to make a saturated

    asked by Helena
  72. calculus

    You own a small airplane that holds a maximum of 20 passengers. It costs you $100 per flight from St. Thomas to St. Croix for gas and wages plus an additional $6 per passenger for the extra gas required by the extra weight. The charge per passenger is $30

    asked by Jay
  73. History

    8.)How did Henry David Thoreau inspire later American reformers? A.)By introducing civil disobedience*** B.)By introducing a new genre of writing C.)By convincing the people to believe in God D.)By introducing the benefits of solitary living A?

    asked by #FreeGucci
  74. MATH

    what data are represented by the stem-and-leaf plot below. 3/7 8 9 4/1 3 7 5/2 4 Key:4/ 1 Means 41

    asked by kaitland
  75. History

    5.)Which American writer did the most to gain a wide audience for Transcendentalism? A.)Davy Crockett B.)Herman Melville C.)Ralph Waldo Emerson*** D.)Harriet Beecher Stowe C?

    asked by #FreeGucci
  76. Spanish

    In the following sentence, which direct object requires the personal a? (I don't really get this question, please help!) a. el tren b. el monumento c. la amiga de mi mama d. el barco Right dow I think that it is el barco but I'm not sure...

    asked by Gina
  77. ALGEBRA PLEASE HELP ASAP

    find the volume of a cylinder with a diameter of 16mm and a height of 5.7. A.2,292mm^3 . . . 4,584mm^3(i think its this one) . . . 689mm^3 . . . . 1,146 (but i also got an answer close to this but the tens place was 5) PLEASE HELP QUICKLY THANK YOU

    asked by Wheee
  78. History Check Please!

    2. Why were interstate highways initially built? A. to accommodate the increasing number of automobiles B. to make it easier for U.S. citizens to travel from state to state C. to enable the quick movement of troops in case of a nuclear attack D. to allow

    asked by Destielforever
  79. english help please!!

    How do most people use comparison/contrast? To prove that others are wrong To make informed choices To destroy many political debates To share unbiased information is it a pls help

    asked by Oscar
  80. Gr 11 Functions

    Simplify (1+tanx)^2 The answer is (1-sinx)(1+sinx) Here's what I do: 1 + 2tanx + tan^2x When I simplify it becomes 1 + 2(sinx/cosx) + (1+secx)(1-secx) What am I doing wrong?

    asked by AlphaPrimes
  81. chemistry

    On heating 25g of a saturated solution to dryness at 60oc, 4g of anhydrous salt was recovered. Calculate its solubility in grams per 100g of solvent

    asked by dare
  82. History

    6.)The transcendentalism movement most directly affected the development American A.)Politics*** B.)Literature C.)Popular Culture D.)Painting & Sculpture A?

    asked by #FreeGucci
  83. health and physical

    your digestive system has three main functions:digestion, absorption and elimination. in which organ dose absorption begin? a. mouth*** b.stomach c.small intestine d.gallbladder i think a.mouth

    asked by larry :can you please check my answers
  84. English

    Which statement best describes the plot of “The Giant’s House” by Elizabeth McCracken? A. A boy and a librarian fall in love while searching for answers to the boy’s struggle of suffering from gigantism. B. A librarian and a boy suffering from

    asked by quick help needed
  85. science

    A Football is thrown by a quarterback to a receiver. When the quarterback throws it, the ball is at the height of 6 feet above the ground. When the receiver catches it, he is 30 yards away from the quarterback and the ball is again at a height of 6 feet

    asked by Sampson
  86. chemistry

    Balance this equation. If a coefficient of "1" is required, choose "blank" for that box. CH4 + O2 → CO2 + H2O

    asked by derek
  87. Chemistry

    Suppose the osmotic pressure of blood at 37 °C is 7.65 atm and you are preparing an intravenous (IV) NaCl solution for a patient. What concentration (in M) of NaCl solution should you prepare so the resulting IV solution is isotonic with blood, if the

    asked by Lola
  88. History

    9.)How did Henry David Thoreau inspire later American reformers? A. By introducing civil disobedience B. By introducing a new genre of writing C. By convincing the people to believe in God D. By introducing the benefits of solitary living A. By introducing

    asked by #FreeGucci
  89. language arts

    The passage is The Miracle Worker by William Gibson. Kate. Miss Annie. Annie. No. Kate (a pause). It’s a very special day. Annie (grimly). It will be, when I give in to that. [She tries to disengage HELEN’S hand; KATE lays hers on ANNIE’S.] Kate.

    asked by lisa
  90. english

    which of the following is a way that imagery can be used? to present facts during debates to inspire audiences during speeches*** to entertain readers with a play on words to impress readers with facts and evidence

    asked by Lynne
  91. Data analysis

    Question 1 Production Rates A manufacturing company wishes to find out whether the productivity of its workforce has increased now that they have a new machine. The factory examined the records for a random sample of 8 hours over the past month. The hourly

    asked by Tia
  92. pre-cal

    a page that x inches wide & y inches high contains 26 square inches of print. the margins on the top & bottom are 1.5 inches deep and the margins in the sides are 1 inches wide. a. sketch the situation above b. find the total area of the page c. find the

    asked by Anonymous
  93. History

    7.)The growing popularity of newspapers, magazines, & books in the united states during the 19th century contributed to which of these? A.)The emergence of a uniquely American literary style B.)The expansion of educational opportunities for women and

    asked by #FreeGucci
  94. Social Studies

    What impact do you think independence had on the production levels of farms in Ukraine? Production increased under individual ownership. Production decreased under individual ownership.** Production did not change much under individual ownership.

    asked by lifeisgreat
  95. Maths

    Find three consecutive no.whose product is 10626

    asked by Lokeshwor
  96. algebra

    Gemma recently rode her bicycle to visit her friend who lives 6 miles away. On her way there, her average speed was 16 miles per hour faster than on her way home. If Gemma spent a total of 1 hour bicycling, find the two rates.

    asked by Derek
  97. math

    Find dy/dx and d2y/dx2. x = e^t, y = te^t

    asked by Michael
  98. 7th Grade Math

    Fernando is 6 1/4 feet tall. If one inch equals 2.54 centimeters, what is Fernando's height in centimeters? My answer is 15.49 centimeters. Is my answer correct? If not please show me how to work it out.

    asked by Tim
  99. Science

    A girl lifts her 30-kg (294 N) knapsack a vertical distance of 0.50 m and then she carries it 10 m across the park to the water fountain. How much work is done by the girl? Please help me.

    asked by Hanny
  100. Math

    Find the Circumference. a) Give an exact answer in terms of pi. 42pi C=pi*d=pi.pi*42=42pi. Use pi~22/7,and express your answers as a fraction in lowest terms.

    asked by Miracle
  101. English

    Against which American value did the Beat generation of writers react? equality freedom individualism traditionalism***

    asked by Erin
  102. Science

    1. What happens immediately before a volcano erupts? A) Magma collects in the mantle. B) Lava hardens to form volcanic rock. C) Expanding gases push magma through the pipe. D) The temperature in the magma chamber decreases. Is the answer C?

    asked by Tim
  103. Physics

    A mercury in glass thermometer reads 4cm at ice point and 29cm at steam point. Calculate the temperature when the mercury level is at 9cm

    asked by Temitope
  104. science

    Felipe made a toy boat out of clay, but it kept sinking in water. He changed the boat's design by making it slightly wider than before. Why did Felipe's newly designed boat float on water? A. He decreased the density by increasing the volume. B. He

    asked by jai
  105. english help please!!

    Which of the following is an example of an informational text that explains? A pamphlet that disputes a point A written account of events in war An instruction manual for a computer An argument about the use of exams Is it b pls help me

    asked by Oscar
  106. math

    The area of a rhombus is 139.2cm.cm.and its altitude is 9.6cm.find the perimeter of the rhombus?

    asked by subham
  107. economics

    A detailed explanation, with graphs,of how the price of milk would have been determined in the absence of government involvement in the market

    asked by lela
  108. 7th Math

    If Jeremy drinks 1 1/2 quarts of coffee every 3 days, how many liters of coffee would Jeremy drink in 3 weeks? 1 quart = 0.946 liter The answer I have is 19.866 liters. 0.946*21= 19.866.

    asked by Tim
  109. Math

    Andrea needs 3/8 ounce of vanilla for her cookie recipe. If 1 milliliter is approximately 0.03 ounce, write an expression to determine the number of millimeters of vanilla Andrea needs for her cookie recipe.

    asked by Chrissy
  110. calculus

    Find the dimensions of the rectangle with the largest area if the base must be on the x-axis and its other two corners are on the graph of: (a) y=16-x²,-4

    asked by Jay
  111. English

    How are children viewed in the society in which the Hadleys live? As completely helpless as mentally unstable as spiritually rewarding as generally obedient

    asked by Lynne
  112. math

    a pancake recipe calls for .75 cups of flour. Linda is making 5 batches. she already has 2.5 cups of flour how many more cups does she need?

    asked by may
  113. Math

    Find the rotation in revolutions per minute given the angular speed and the radius given the linear speed and the rate of rotation. 1. w= 2.7 rad/s 2. v=24.8 m/s, 120 rev/min 3. w= 4/3Pi rad/hr Please help me with these problems! I am a visual learner and

    asked by Sarah
  114. maths

    If 8kg of coffee costing $2000 a kg is mixed with 12kg of another kind of coffee costing $2200. What is the cost of the mixture per kg

    asked by aerhm
  115. Accounting

    Aunt Rhea Corporation Income Statement For the Year Ended December 31, 2015 Service Revenue $ 900,000 Operating Expenses 700,000 Net Income before Income Tax $ 200,000 Gain on Investment Sale 10,000 Net income Before Income Taxes $ 210,000 Income Tax

    asked by Daniel
  116. Biology Help Please!

    1) A transcriptional fusion of regulatory sequences of a particular gene with a reporter gene results in relatively uniform expression of the reporter gene in all cells of an organism, whereas a translational fusion with the same gene shows reporter gene

    asked by Tenshi
  117. Math

    A math quiz is made up of 5 multiple choice questions, each with 4 possible answers. How many possible sets of answers are there?

    asked by Emmie
  118. Science

    In a heat engine, if 700 J of heat enters the system, and the piston does 400 J of work, what is the final internal (thermal) energy of the system if the initial energy is 1,200 J?

    asked by Ivan
  119. Trigonometry

    find the exact value of expression: sin( tan^-1(-radical11/radical5)-cos^-1(radical3/2))

    asked by David Labi
  120. math

    If 8kg of coffee costing $2000 a kg is mixed with 12kg of another kind of coffee costing $2200. What is the cost of the mixture per kg

    asked by aerhm
  121. Math

    Steam|leaf 5 4,5 6. 0,6,9 7. 2,3,4,5,5 8. 1,2,8,9 9. 5,6 1 what is the range of data 40 42 54 96 2 what is the median of the data 64.5 72.5 74.5 75 3 what is the mode of the data 5 70 75 88 Stem|Leaf 4. 3,5 5. 0,5,6 6. 2,2,4 7. 1,3 8. 0,4 4. many students

    asked by Vigilante
  122. Math

    Val Measures the diameter of a ball as 12 inches. How many cubic inches of air does this ball hold, to the nearest tenth? Use 3.14 for Pi

    asked by Anonymous
  123. Math

    The world's tallest building is the Burj Khalifa in Dubai at 828 m tall. The CN Tower in Toronto is 553 m tall. Ryan wants to compare the Burj Khalifa and the CN Tower by creating rectangular prism models on a 10 cm by 10 cm square base. He decided to

    asked by Tala
  124. maths

    A spherical water tank is 100cm in diameter. It is half filled with water. How many cubic centimetre is the water in the tank?

    asked by Eta Archibong
  125. math

    While exploring for oil, it was necessary to carry at least 18tones of supplies and 80 people into a desert region. Two types of vehicles are available :landmaster and sandrovers. Each landmaster could carry 900kg of supplies and 6 people. Each sandrover

    asked by Anonymous
  126. Math

    If d represents the measure of an acute angle,write an inequality to show the range of degrees. AT first I thought it was: d is less than 90 degrees, which is less than 180 degrees, but it was obviously wrong as explained by my teacher, thank you

    asked by Hannah Moraf
  127. 12 english

    Michael Jordan, retired from the Chicago Bulls, is considered one of the greatest basketball players in history. Because he could jump so high and could consistently score points in the double digits per game.

    asked by sergio
  128. math

    A high-speed elevator can rise 480 feet in 30 seconds. Which expression represents the rate, in feet per minute, of the elevator?

    asked by may
  129. Physics

    A fighter jet is traveling at 200 m/s following the arc of a vertical circle of radius R. At the top of its path, the pilot experiences “weightlessness.” What is the value of R?

    asked by Kevin
  130. Computer science

    Which is the most popular international cable standard? What are the main Differences between attenuation and Crosstalk? Describe different types of connector used in LAN? What are the port number / socket number and Connection Multiplexing? What is

    asked by Poohboi23
  131. MATH PROBABILITY

    From a group of 4 women and 8 ​men, a delegation of 3 is selected. Find the expected number of women in the delegation. Can someone please help me find this answer?

    asked by HANDSON
  132. 7th Grade Math

    Sam serves a tennis ball at a speed of 90 miles per hour. If 0.62 mile is equivalent to 1 kilometer, what is Sam's serve speed in kilometers per hour? Round your answer to the nearest hundredth.

    asked by Mikey
  133. calculus

    I'm having trouble on this question: Find the area of the region in the first quadrant that is bounded above by the curve y= sq rt x and below by the x-axis and the line y=x -2.

    asked by Jay
  134. Chemistry

    If .0162 moles of sodium sulfide is dissolved in 100.0 mL of water, what is the concentration of sodium ions [Na⁺] in solution?

    asked by div
  135. Pre-calculus

    Consider an open-top box constructed from an 8.5 × 11 inch piece of paper by cutting out squares of equal size at the corners, then folding up the resulting flaps. Denote by x the side-length of each cut-out square. a) Draw a picture of this construction,

    asked by Arian
  136. Geometry (answer please)

    1. A vertical pole 24ft. high is to be braced securely by four wires attached 8ft. from the top. If the wires are fastened to stake in the level ground at the vertices of square with its center at the foot of the pole and sides 20ft. What should be the

    asked by Nanny
  137. math

    a pancake reciipe calls for .75 cups of flour. Linda is making 5 batches. she already has 2.5 cups of flour how many more cups does she need?

    asked by may
  138. Math

    Meredith's new scale measures in both pounds and kilograms. The information on the box says the scale has a weight limit of 200 kilograms or 440 pounds. Using this information, approximate the unit rates of kilograms per pound and pounds per kilogram, to

    asked by Sarah
  139. science

    a constant force applied at an angle of 20 above the horizonal , pulls a 200 kg block, over a distance of 3 m, on a rough, horizontal floor. the coefficient of kinetic friction is 0.2 show that work done by the kinetic frictional force on the block can be

    asked by Anonymous
  140. History

    8.)How did henry David Thoreau inspire later A.)By introducing civil disobedience*** B.)By introducing a new genre of writing C.)By convincing the people to believe in God D.)By introducing the benefits of solitary living A?

    asked by #FreeGucci
  141. C Programming

    Write a program to give discount of 20% if age is less than 15 or greater than 60 to customer otherwise gives only 5% discount.

    asked by Sarim Javaid
  142. math

    My teacher assigned us this problem: Using the following logarithms Log2,log3 and log10 solve for the log150,log 75 incorporating the properties of logarithms ,i tried ,but failed plz help!!

    asked by Marie
  143. Math

    A binary operation * on the set of real numbers is defined by a*b= a+b-ab for a,b, c is belongs to R. i) show that the operation is associative. That is, (a*b)*c=a*(b*c) for all a,b,c belongs to R. ii) Find the value of -5*8 and also the value of

    asked by Ilukui
  144. Chemistry

    Usinf your periodic table, Indicate whether each other following substances could act as an oxidizing agent (OA), a reducing agent (RA) or both (OA/RA): (A.) Ba2+ (aq) So I think it should be reduction because it gained 2 electrons? (B.) Co2+ (aq) : RA

    asked by Anonymous
  145. business

    A great business idea is  A. all you need to succeed. B. an idea that no one else has ever thought of. C. the beginning of a great business. D. something that comes along once in a lifetime. 

    asked by Brooklyn
  146. Chemistry

    In a reaction vessel, 500. mL of 0.100 M Na3PO4(aq) is combined with 200. mL of 0.400 M Pb(NO3)2(aq). (a) Write the molecular equation for the reaction that occurs. Balance the equation using lowest whole numbers and be sure to include states. (b) Identify

    asked by ya boy
  147. Chemistry

    Consider the reaction: 2H2+2NO -> N2+2H2O. Initially 1.20mol of H2 and 0.95mol of NO are placed in a 2.50L container(all reactants and products are gases) if after 5seconds the amount of H2 has been reduced to 1.02mol. How much NO is left? And how much N2

    asked by Cali
  148. Civics (HELP!!!)

    Please check to see if I have answered the following questions as best as possible. This is going to be in a chart format, so I apologize if it's written a little messy. 1. What information is being presented in the First Amendment of the U.S.

    asked by Victoria
  149. math

    The decimal parts of the logarithms of two numbers taken at random are found to 6 decimal places. What is the probability that the second number can be subtracted from the first number without "borrowing" ?

    asked by urgently help needed please
  150. Math

    When looking at the problem given in the Video Example 84 –Factoring Out the Opposite of the GCF, located in the media section of Chapter 5, what GCF is first factored out of all terms in the expression

    asked by Donald
  151. Chem

    How many grams of ethanol are formed from the complete conversion of37.5g of sucrose

    asked by Cameron
  152. math

    find the volume of the triangular prism where the area of Cross section is 20cm and the length 10cm.

    asked by Augusta
  153. calculus

    Use the Fundamental Theorem of Calculus to find G'(x) if: /x² G(x)= / cos t dt / 1

    asked by Jay
  154. calculus

    Use the Fundamental Theorem of Calculus to find G'(x) if: G(x)=∫ up(x²) bottom(1) cost dt

    asked by Jay
  155. chem II

    calculate the number of moles of solute present in 50.0g of an aqueous solution that is 1.5m NaCl.

    asked by karen
  156. Science

    18. What is the difference between nearsightedness and farsightedness? ((Is that just for regular sight, or is there another term I'm not recognizing?)) ((LINKS FOR ALL THE QUESTIONS BELOW, PLEASE!)) 19. Describe how an electromagnet works and give an

    asked by M&M's
  157. calculus

    Evaluate π ∫ tan² x/3 dx 0

    asked by Jay
  158. Science

    Reaction time.experiment

    asked by Tracry
  159. math

    Lucia is hoping that Angela will buy her a geometrically interesting piece of land on which he will build a mansion. Lucia has said that she will only buy the land if it costs less than $4.00 per square foot. The plot shown below is listed for $453,175. Is

    asked by Timothy
  160. math

    keri bought a pen she paid with a 1$ bill this is the change she got how much did the pen cost

    asked by maya
  161. Physics

    A block of mass m=25 kg is hung by a massless rope of length L=1.90 m from the ceiling of an elevator. The elevator has a downward acceleration of a=2.20 m/s^2. When the pendulum is set in a small amplitude oscillation, the period T of the pendulum is: A)

    asked by Maddie
  162. Probability and statistics

    From among a group of 2 men, 4 women and 6 children, 2 individuals are selected randomly. What is the probability that exactly 1 among the chosen are children?

    asked by Jeanny
  163. math

    Use the function rule f(x)=x^2-5x+1. Find the output of f(-5). What I did was I replaced -5 in for x...That's as far as I could go. I got confused. Thank you ~Maddie

    asked by Maddie♥
  164. Math

    a. Calculate the total cost of moving from your current location to your new location for each of the options.? Option A: Renting a moving truck and towing vehicle. 16 ft cube truck, iHaul fee $1.13/km, Fuel consumption rating 23.5 L/100 km, the customer

    asked by Tala
  165. Math

    A marathon covers 26 miles and 385 yards. If a runner averages 1.8 meters per second, how long in hrs will it take to complete the marathon?

    asked by Rosie
  166. American history

    The growth of the service economy in the 1990's caused A. an increase in American blue-collar jobs, such as coal mining and steel making. B. a decrease in new small businesses. C. a new industry-based economy. D. an increase in white-collar jobs, such as

    asked by quick help please
  167. math

    ronald reads 1,000 words in 5 minutes how do i write as a unit rate? i get 200 is that right?

    asked by may
  168. Science

    In a expiriment to determine whether moment is conserved. You shoot a dart into a cart. You know both the mass of the dart and the distance between them. You also know the distance after the dart and cart joined together. The speed can be calculated both

    asked by Spaz
  169. physics

    What quantity of energy is represented by 250cm^3 of a gas 100N.m^2 when the temperature is kept constant

    asked by thandile
  170. Science

    James drops a marble. It accelerates downward at a rate of mc005-1.jpg. After 3.00 s, how fast is the marble moving downward?

    asked by Hanny
  171. TRIGONOMETRY2

    color each point in the coordinate plane either red or blue. prove that no matter how the coloring is done there must exist two points of distance one that are the same color.

    asked by aaron
  172. Probability and statistics

    What is the average of all possible five-digit numbers that can be formed by using each of the digits 8, 9, 1, 3 and 6 exactly once? Are you just supposed to try out all the possibilities and count them or is there like a formula or something you can sub

    asked by Jeanny
  173. milam middle school

    A drawer contains a blue shirt, a black shirt, and a white shirt. Another drawer contains a blue pair of pants and a black pair of pants. one shirt and one pair of pants are chosen at random. How many different possible outcomes are there?

    asked by Anonymous
  174. Chemistry

    How can I do an acrostic poem for the word REDOX?

    asked by Michelle
  175. Math

    Financial Mathematics why is it that a question states that a person buys a car for R122 000 and pays 10% of the cost but then the answer to it they have multiplied the amount by 0.09 which is 9%?

    asked by Anonymous
  176. Ms Sue and or Ms Wright

    He hit the ball well, but he ran toward third base." Could the sentence read He hit the ball well and ran toward third base." Why yes or no Thank you so much.

    asked by Lizzie
  177. Math

    At your present job, your annual salary is $76 025 Cdn. The salary for your new job is $75 000 US.? Does your new job provide an increase or decrease in salary? Explain your reasoning.

    asked by Tala
  178. MATH

    The Eiffel Tower has a surface area of approximately 76,000 square meters. A restoration company charges $80 per sq yard for re-painting. How muuch will it cost to paint the Eiffel Tower

    asked by KAREN
  179. Math

    Juan employs something called a mirror method. He places a mirror exactly 12 meters from the bottom of a maple tree and then walks backwards until he sees an image of the top of the tree . From the tree which is angle 1 and from him is angle 2 these angles

    asked by linda
  180. math

    x -2 -1 0 1 2 y 9 4 -1 -6 -11 find function rule

    asked by ginger
  181. calculus

    rewrite each summation using the sigma notation. Do not evaluate the sums (a)3 + 4 + 5 + . . . + 93 + 94 (b)9 + 16 + 25 + 36 + . . . + 14

    asked by Jay
  182. English

    1. Can you help me with this? 1-2. Can you help me do this? (Are both the same?) 2. Can you help me with cleaning the room? 3. Can you help me about cleaning the room? 3-1. can you help me clean the room? 3-3. Can you help me on cleaning the room? (Are

    asked by rfvv
  183. Physics

    A horizontal pipe has a part with a diameter 1/3 of the rest of the pipe. If v is the speed of the fluid in the wider section, then the speed in the narrower section is:

    asked by JuliePham
  184. geography

    4 types of materials ejected from volcanoes

    asked by bboobb
  185. TRIGONOMETRY

    given real numbers x, a, b with x>= a>= b>= 0, show that sqrt x+b - sqrt x-a >= sqrt x+a - sqrt x-b

    asked by aaron
  186. Physics

    The part of an iceberg that extends above the water for ice density of 0.9g/cm3 and salted water of 1.1 g/cm3 is

    asked by JuliePham
  187. Math

    -10(-11) Would this be -110 ? I know a negative times a negative should be a positive but does this change when the second number is inside the ( )

    asked by Lex
  188. calculus

    Evaluate lim (1³ +2³ +3³ +…+ n3)/n^4 n →∞ by showing that the limit is a particular definite integral and evaluating that definite integral.

    asked by Jay
  189. algebra

    what is the slope of the line that passes through the pair of points (-2,1) (2,17)

    asked by heaven
  190. math

    TWO EGGS ARE SIMILAR IN SHAPE WITH MASS 50 G AND 70G THE HEIGHT OF BIGGER EGG IS 8 CM FIND THE HEIGHT OF SMALLER EGG SCALE FACTOR K=0.238

    asked by rajeswari
  191. U.S. History (Check)(REED)

    1. True or False: Japan became under control of militarists several years before WWII started. A: True 2. True or False: Hitler attacked the Soviet city of Stalingrad, but the Soviets were able to stop Hitler. A: True. 3. True or False: Many people moved

    asked by Victoria
  192. trigonomentry...Very hard

    express root(9+x^2) as a trigonomentric function of tita without using radicals by letting x=3tantita.assume that 0

    asked by dam
  193. ms sue - thanks

    is this correct on string of nouns you need and before the last one. On adjectives you do not? These sentences below are incorrect: incorrect Helen is bright, friendly, and confident. ( take out and) We have many dogs, cats, lions. (put in and)

    asked by Lizzie
  194. MAth

    While exploring for oil, it was necessary to carry at least 18tones of supplies and 80 people into a desert region. Two types of vehicles are available :landmaster and sandrovers. Each landmaster could carry 900kg of supplies and 6 people. Each sandrover

    asked by aerhm
  195. Calculus - urgent

    A lamina. defined by y>=0 with edges y=0, y=3/2(1-x^2) and x=-y+2y^2, for which the density is given by p(x,y)=y. a) define domain as union of type 1 and type 2 region. b) Calculate mass of lamina.

    asked by Alex
  196. Math

    Can someone give me examples on how to put combinations and permutation in two different situation?

    asked by M&M's
  197. English

    1. Staying in bed is the best remedy for a cold. 2. For a cold the best remedy is staying in bed. ------------ #1 is correct? What about #2? Is Sentence 2 grammatical?

    asked by rfvv
  198. science

    A 0.1 M NaOH solution is used for holder 50, or ml of a 0.100 M solution of acetic acid. Calculate the pH of the solution after the addition of 50.0 ml of sodium hydroxide

    asked by Anonymous
  199. math

    Lucia is hoping that Angela will buy her a geometrically interesting piece of land on which he will build a mansion. Lucia has said that she will only buy the land if it costs less than $4.00 per square foot. The plot shown below is listed for $453,175. Is

    asked by Tim
  200. jiskha

    is this all free my parents don`t half to pay any thing???

    asked by Larry
  201. Math

    One angle of a triangle is 45* greater than the smallest angle, and the third angle is 5* less than twice the smallest angle. Find the measures of the three angles.

    asked by Renae
  202. Math

    What is the correct unit for volume?

    asked by Jade
  203. Science

    If a ball A moves at X speed eastwards collideds with a stationary ball B. Ball A now moves at Y speed north east (40 degrees upwards from eastward direction) and ball B moves at W speed south east (50 degrees downwards from eastward direction). To

    asked by Loli
  204. Electrical

    A certain load takes 10kW at 0.5pf lagging when connected to a 230V, 60Hz source. The supply company charges a penalty when the power factor fall below 0.8. What size of capacitor must be used in order to avoid penalty?

    asked by Jiya
  205. English

    Wulliam became famous and had a chance to study in high school again. ------------------------- In this sentence, what is the role of "to....." in "a chance to..."? I mean the relationship between 'a chance' and "the to infinitive." Are they in apposition?

    asked by rfvv
  206. Science

    A battery is e.m.f 40volts and internal resistance 5 ohms is connected to a resistance of 15 ohms. Calculate The terminal potential difference.

    asked by Ranvieg
  207. Physics

    A swimmer dives off a block into the water. The block is 31 inches above the surface of the water. Using projectile motion, what angle did they dive to reach point A on the surface of the water? I don't know what the variables stand for in this problem. Xf

    asked by Samantha
  208. English SAT

    Hi - i am doing english SAT practice and have a few grammar questions. 1. '60s flower child Book says an apostrophe goes before 60. Can you explain why? 2. Helen is a bright, friendly, confident girl. Book says this is correct Why is the word "and" not

    asked by Lizzie
  209. math

    Roger buys six 1.5- litre bottles of fresh juice. he distributes 20 cl of juice to each of his pupils. calculate the number of pupils in his class if 600 ml is left.

    asked by neha
  210. Ms Sue English

    I thought my grammar was excellent BUT now not so sure:( why is and necessary in some sentences and not others? Boys, girls, dogs, and cats .... vs Bright, friendly, compassionate ....

    asked by Lizzie
  211. math

    A board of 4 members is going to be formed from the 30 students of a class. The board is formed of: a president a vice president a secretary and a treasurer. What is the number of possible boards knowing that each of the 30 students can occupy any post?

    asked by angy
  212. maths

    A. If u have 19 wheels then find the number of bicyćles and tricycles that cañ made. B. If u have 23 wheels then find the number of bicycles and tricycles can be made ..

    asked by lisa
  213. Math

    When a telephone exchange is established, there are 10,000 new phone numbersto use(i.e. 722-0000 to 722-9999). Of these 10,000 phone numbers, how many do not contain the digit "9"? I know I can do it this long way, but how do I do it in a shorter more

    asked by Steve
  214. Math

    Lucia is hoping that Angela will buy her a geometrically interesting piece of land on which he will build a mansion. Lucia has said that she will only buy the land if it costs less than $4.00 per square foot. The plot shown below is listed for $453,175. Is

    asked by Tim
  215. calculus too hard help

    if y=x^x^x^x... dy/dx=? plz show working thanks got no ideal at all

    asked by sam
  216. Physics

    If a force of 10 N is required to keep a piece of wood 1m under water (density=1g/cm3 ), the force needed to keep it at 2 m under water is:

    asked by JuliePham
  217. math

    What is y=3x-3?

    asked by doglover
  218. Math

    Name the coordinates of the points

    asked by Damien
  219. Science Help

    If the input voltage from the transformer in Figure 23-1 is 32 V, what is the output voltage? ((Input is 4 turns of wire, output is 60 turns of wire.))

    asked by M&M's
  220. History

    choose four important influences on louisiana's contemporary culture and explain why each one is so important? I'm wondering if someone could explain or give an example to how I find what influences culture?

    asked by Ugh!
  221. Math

    What prime factorization is equivalent to 8 to power of 2 minus 8 divided by 4?

    asked by Skylar
  222. math

    How can i factorize this? 8x^3+1

    asked by Maya
  223. Math

    Maury plans to cover his floor with 1 square foot tiles. The dimensions are 8ft by 9 ft. How many times will Maury need?

    asked by Jenny
  224. Maths (Need Help)

    A and B are the point (3,-1) and (2,3) respectively. L is the line 8y-2x-3=0. Show that; (a) l is perpendicular to AB. (b) l passes through the mid point of AB

    asked by SAMA
  225. Math

    If two balls are selected randomly without replacement four a bag containing 4 red and 8 green balls. List the element of the sample space corresponding probabilities.

    asked by Blessing
  226. Maths

    solve the equation sin(2 theata +pi/3)=1/2 for 0

    asked by Abdullah
  227. math

    Eight players P1,P2,...,P8 play 3 sets of a tournament. It is known that whenever players Pi and Pj play, the player Pi wins if i

    asked by urgently help needed please please