Questions Asked on
October 7, 2013

  1. physics mechanical energy

    A skateboarder with mass ms = 42 kg is standing at the top of a ramp which is hy = 3.7 m above the ground. The skateboarder then jumps on his skateboard and descends down the ramp. His speed at the bottom of the ramp is vf = 6.3 m/s. Write an expression

    asked by carlo
  2. poetry (Pioneer by Dorothy Livesay)

    I have to answer the questions according to this poem, I have answered them but just want someone to look over them to see if they are right. The last one I had trouble with and need help on that one too. The answer that I think it is I have put arrows on

    asked by Gary
  3. chemistry

    Why were we instructed to add distilled water to a metal nitrate solution? What purpose does the water serve in the experiment? Just to add volume so the probe can reach the solution?

    asked by Evan
  4. physics mechanical energy and power

    A car m = 1850 kg is traveling at a constant speed of v = 30 m/s. The car experiences a force of drag (air resistance) of Fd = 300 N. Write an expression for the power the car must produce Pi to maintain its speed. Part (b) What is the power in HP? No

    asked by carlo
  5. Physics

    A spring with 50 N/m hangs vertically next to a ruler. The end of the spring is next to the 21-cm mark on the ruler.If a 2.5-kg mass is now attached to the end of the spring, where will the end of the spring line up with the ruler marks?

    asked by Anonymous
  6. Math help

    Eric and Mark went to a ball game and visited the concession stand. They each got a hot dog, and mark got a large soda and a bag of peanuts. Eric had a coupon for 3$ off the cost. Mark Paid for the rest, which came to 11.50. Peanuts cost 4$, and a hotdog

    asked by Alex
  7. poetry

    The poem is: Canada Day Love Match My mother stalked her future son in law, convinced he was the one for me. Through the crowd at the Forks Market, she kept behind him like a cat ready to pounce. I kept out of his line of sight. Blind to us, he watched

    asked by Gary
  8. Math

    A speaker has a collection of 62 jokes. He uses 3 jokes in each speech. Please help i got a is 37820 but really need help with part b (a) In how many ways can he select 3 jokes for a speech? How many speeches can he give without using a joke twice? (Round

    asked by Danielle
  9. Science

    A 1.0-kilogram book rests on a horizontal tabletop. The magnitude of the force of the tabletop on the book is

    asked by Joe
  10. chemistry

    ethane,C2H6 burns in oxygen. A. what are the products of the reaction? B. write the balanced equation for the reaction. C. what mass of O2, in grams is required for complete combustion of 13.6 of ethane? D. what is the total mass of products expected from

    asked by adriane
  11. English 11

    Match the letter of the author with his or her description. Not all letters will be used. A.William Bradford B.Captain John Smith C.Anne Bradstreet D.Olaudah Equiano E.Thomas Paine F.Thomas Jefferson 1.I wrote an account of my voyage cross on the Mayflower

    asked by gabbi
  12. Chemistry

    C2H6(g) + O2(g) CO2(g) + H2O(g) (a) Consider the unbalanced equation above. What is the maximum mass of CO2 that can be produced when 21.0 g of C2H6 and 38.5 g O2 react? (b) If 24.7 g of carbon dioxide is actually produced by the reaction in part (a), what

    asked by Connor
  13. Physics

    A 55-kg soccer player jumps vertically upwards and heads the 0.45-kg ball as it is descending vertically with a speed of 30 m/s. (a) If the player was moving upward with a speed of 4.0 m/s just before impact, what will be the speed of the ball immediately

    asked by Anonymous
  14. physics

    Car traveling on circular track. Point A is at positive x,y. Point B is at positive x, negative y. A car is traveling around a horizontal circular track with radius r = 220 m as shown. It takes the car t = 51 s to go around the track once. The angle èA =

    asked by Anonymous
  15. spanish

    Ayer mis amigos Esteban, Ana, Olivia y yo fuimos al cine a ver la nueva película de Javier Bardem. A mí me (1) ____ la película porque Javier es uno de mis actores favoritos. Pero a (2)____ le (3)______ ; él empezó a dormirse al final. A Ana y

    asked by Kayee
  16. Algebra1 Math

    A moving company charges $800 plus $16 per hour. Another moving company charges $720 plus $21 per hour. How long is job that costs the same no matter which company is used?

    asked by Raman
  17. CHEMISTRY

    Silver reacts with nitric acid to form nitrogen monoxide, silver nitrate and water. Calculate the volume of nitrogen monoxide gas (@STP) that can be produced from the reaction of 5.00g of silver?

    asked by Pip
  18. Econ

    Shep goes to his favorite coffee shop every morning and always buys one large latte, no matter whether there is a special or not (e.g. half price Mondays). What is his price elasticity of demand for lattes?

    asked by peter
  19. Chemistry

    Calculate the molarity of a solution made by adding 28.2 mL of concentrated ammonia (28.0 % by mass, density 0.880 g/mL) to some water in a volumetric flask, then adding water to the mark to make exactly 500 mL of solution. (It is important to add

    asked by Sarah
  20. Check my CALCULUS answers please!

    Any short explanation for things I got wrong would be great, too, if possible! Thanks in advanced! :) 8. Which of the following functions grows the fastest? ***b(t)=t^4-3t+9 f(t)=2^t-t^3 h(t)=5^t+t^5 c(t)=sqrt(t^2-5t) d(t)=(1.1)^t 9. Which of the following

    asked by Samantha
  21. Gen Chm II

    Determine the pressure-based Keq for the reaction: 2SO2(g) + O2(g)2SO3(g) given that 1.00×10−2 moles of SO2 and 2.00×10−2 moles of O2 were initially placed in a 2.00 L reaction chamber. The chamber contained 7.5×10−3 moles of SO3 when equilibrium

    asked by James
  22. ALGEBRA 1

    You practice playing your guitar every day. You spend 15 minutes practicing chords and the rest of the time practicing a new song. So the total number of minutes y you practice for the week is given by y=7(15+x), where x is the number of minutes you spend

    asked by Kayla
  23. Math

    A man on the 8th floor of a building sees a bucket (dropped by a window washer) pass his window and notes that it hits the ground 1.5s later. Assuming a floor is 12ft high (and neglecting air friction), from which floor was the bucket dropped?

    asked by Molly
  24. Calculus, please check my answers!

    1. Evaluate: lim x->infinity(x^4-7x+9)/(4+5x+x^3) 0 1/4 1 4 ***The limit does not exist. 2. Evaluate: lim x->infinity (2^x+x^3)/(x^2+3^x) 0 1 3/2 ***2/3 The limit does not exist. 3. lim x->0 (x^3-7x+9)/(4^x+x^3) 0 1/4 1 ***9 The limit does not exist. 4.For

    asked by Samantha
  25. physics

    A block of mass m is initially at rest at the top of an inclined plane with a height = 4.4 m which makes and angle of θ = 17 degrees with respect to the horizontal. It is observed to be traveling at v = 0.2 m/s a distance d after the end of the inclined

    asked by carlo
  26. physics

    A small fish is dropped by a pelican that is rising steadily at 0.60 m/s. After 2.8 s, what is the velocity of the fish? The acceleration of gravity is 9.81 m/s2. How far below the pelican is the fish after the 2.8 s?

    asked by Anonymous
  27. geometry

    Jk=6r,kl=3r and jl = 27

    asked by katy
  28. Business Math

    On September 14, Jennifer Rick went to Park Bank to borrow $2,500 at 11.75% interest. Jennifer plans to repay the loan on January 27. What interest will Jennifer owe on January 27? What is the total amount Jennifer must repay at maturity?

    asked by Carleen
  29. math

    Determine the vertex and the axis of symmetry for the function below: y=-4x^2-24x-36

    asked by bob
  30. chemistry

    A lab tech had accidentally set out 16M HCl for this experiment. How much ( in mL) 16M HCl is needed to make 450mL of a 3M HCl solution?

    asked by Christina
  31. Business

    Camden Products buys a $500,000 machine by taking out a bank loan.The company's assets will______by $500,000 while its liabilities will_____by $500,000. A.rise;rise B.fall;fall C.fall;rise D.rise;fall My answer is D can somebody check for me thenk you

    asked by bella
  32. Math-Algebra

    What is the measure of the side of a cube if the volume is 27000cm^3?

    asked by McKenna Louise
  33. Math

    A 120 lb. person would weigh about 20 lb. on the moon. A 150 lb. person would weigh 28 lb. on a lo, a moon of Jupiter. Use ratio tables to determine which moon would make a person weigh the most.

    asked by Phoenix
  34. physics

    A glass plate whose index of refraction is 1.47 is immersed in a liquid. The surface of the glass is inclined at an angle of 53.0° with the vertical. A horizontal ray in the glass is incident on the interface. When the liquid is a certain alcohol, the

    asked by Fillipus
  35. Chemistry

    Al(s) + HCl(aq) AlCl3(aq) + H2(g) Zn(s) + HCl(aq) ZnCl2(aq) + H2(g) Consider the unbalanced equations above. A 0.200 g sample of a mixture of aluminum and zinc metal is reacted with an excess of hydrochloric acid. Both metals react with hydrochloric acid.

    asked by Connor
  36. English

    Is this grammatically correct: In October, 1347, after decades of trading the most luxurious goods, trading ships sailed into the port of Messina, Sicily, carrying a terrifying cargo--the disease now known as the bubonic plague, the infamous plague in

    asked by Anonymous
  37. writing

    As German writer Goethe said, people would be better off if they realized that "as soon as you trust yourself, you will know how to live."

    asked by Anonymous
  38. estraellamountaincommunity college

    an American football field is a rectangle with a perimeter of 1040 feet the Lenght is 200 feet more than the width find the demensionof the field

    asked by robinson
  39. Business Math

    Carol Miller went to Europe and forgot to pay her $740 mortgage payment on her New Hampshire ski house. For her 59 days overdue on her payment, the bank charged her a penalty of $15. What was the rate of interest charged by the bank?

    asked by Carleen
  40. Math

    Carla and Candice left from the same place at the same time and rode their bikes in the same direction along a straight road . Candice biked at an average speed that was three-quarters of Carla's average speed. After 2 hours they were 28 miles apart. What

    asked by Dan
  41. Chemistry

    If 89J of heat are added to a pure gold coin with a mass of 20g , what is its temperature change? Specific heat capacity of gold is 0.128 J/g∘C.

    asked by Kalli
  42. Macolm X

    2011–2012 seasons, Patrice Bergeron entered a game against the Ottawa Senators with a plus/minus rating of +20. In the game, which Boston won 4–3; Bergeron was on the ice for one of his team's qualifying goals as well as all three qualifying goals by

    asked by Sarah
  43. Geography (Ms. Sue)

    1). As a train moves eastward after passing over the Ural mountains, what is the first major stop? A: ? 2). What railroad would you take if you wanted to pass north of Lake Baikal? A: You would take the Baikal-Amur Mainline?

    asked by Anonymous
  44. chemistry

    An aqueous solution of glucose is made by disolving 8.75 g of glucose in 100 mL of water. Calculate molarity, molality and the mole fraction

    asked by henry
  45. Math

    a picture 8 in. by 12 in. is placed in a frame which has a uniform width. if the area of the frame is equal to the area of the picture, find the dimension of the frame (if you would,just give me the formula and i'll take it from there) thank you

    asked by Bella
  46. English

    1. I got up late and missed the bus which I had to take in the morning. I was late for school and my teacher got mad at me when I entered my classroom. I had to remain in the classroom to clean it by myself. 2. I got up late and missed the bus number 6

    asked by rfvv
  47. Algebra 1

    A square pyramid has a volume of 560 in to the third power, a base length of 10 in., and a height of 14 in. What is its base width? My textbook states that the formula v = 1/3lwh relates the volume of a square pyramid to its base length l, width w, and

    asked by Anonymous
  48. chemistry

    The use of the British thermal unit (Btu {\rm Btu}) is common in much engineering work. (1 Btu {\rm Btu} = 1054J {\rm J}) A Btu {\rm Btu} is the amount of heat required to raise the temperature of 1 lb {\rm lb} of water by 1 ∘ F ^\circ {\rm F}. How many

    asked by Anonymous
  49. Chemistry

    For the following chemical reaction, what mass of silver nitrate in grams will be needed to produce 3.91 mol of calcium nitrate? CaI2+2AgNO3=2AgI+Ca(NO3)2

    asked by Noelle
  50. Math

    a gym charges an intitL $100 membership fee and $60 each month. Write an equation that represent the total cost, C, for belonging to the club for M months

    asked by Lin
  51. psychology

    the most important aspects of classical conditioning is that the conditioned stimulus becomes a _______ for the unconditional stimulus: a signal b stimulus generalization c stimulus discrimination d high-color conditioning support

    asked by mike/meka harris
  52. Chemistry

    In the following reaction, 451.4 g of lead reacts with excess oxygen forming 313.6 g of lead(II) oxide. Calculate the percent yield of the reaction. 2Pb(s)+O2(g)= 2PbO(s)

    asked by Noelle
  53. Algebra 1

    1). The absolute value of 2x + 4 = 0 A: -2 2). A volunteer at the zoo is responsible for feeding the animals in 15 exhibits in the reptile house. This represents 20% of the total exhibits in the reptile house. How many many exhibits are in the reptile

    asked by Anonymous
  54. Chemistry

    FeCl3(aq) + K2S(aq) Fe2S3(aq) + KCl(aq) Consider the unbalanced equation above. What is the maximum mass of Fe2S3 that can be produced when 54.5 mL of 0.480 M FeCl3 and 98.5 mL of 0.420 M K2S react?

    asked by Connor
  55. Practical English

    This is my second time taking this exam this is the last one so I can graduate here is what I think the answers are. If you see any mistakes please help. 1. Choose the sentence in which the verb is a linking verb. A. He works at a gas station. B. His boss

    asked by Silver
  56. Pre-Calculus

    From the top of a 300-ft lighthouse, the angle of depression to a ship in the ocean is 28°. How far is the ship from the base of the lighthouse? (Round your answer to the nearest foot.)

    asked by MIsha
  57. English

    Select the part of speech that correctly identifies the italicized word in each sentence below. The movie was wonderful, YET it was not nearly as detailed and creative as the novel. a. preposition b. conjunction* c. adjective d. interjection INDEED, it has

    asked by Anonymous
  58. physics

    Which of the following statements is FALSE regarding the ‘Drift’ of charge carriers? It is the dominant carrier transport mechanism when an electric field is applied in the semiconductor. Holes move in the direction opposite to that of the applied

    asked by Anonymous
  59. physics

    An astronaut wearing a 20-kg spacesuit jumps on the moon with an initial velocity of 16 m/s. On the moon, the acceleration due to gravity is 1.62 m/s squared. What is the maximum height he reaches?

    asked by Kelly
  60. math-algebra

    The speed of a moving sidewalk at an airport is 2ft/sec. A person can walk 93ft forward on the moving sidewalk in the same time it takes to walk 12ft on a non moving sidewalk in the oppsite direction. At what rate would a person walk on a nonmoving

    asked by Ernie
  61. History

    How did Byzantines preserve the traditions of the Romans? could you list few for me??

    asked by JJ
  62. physics

    A stone is dropped off a cliff, the last 1.5 seconds before it reaches the ground it travels 30 meters. Find the height from which it dropped & final velocity

    asked by robert
  63. Geography (Ms. Sue)

    Find the border between France and Germany. Which French and German cities might make good international trading partners?

    asked by Anonymous
  64. statistics

    To see whether people are keeping their car tires inflated to the correct level of 35 pounds per square inch (psi), a tire company manager selects a sample of 36 tires and checks the pressure. The mean of the sample is 33.5 psi, and the population standard

    asked by Anonymous
  65. CHEMISTRY

    A 44.1 L sample of nitrogen gas at a pressure of 88.3 kPa is placed into a container of equal volume that already holds hydrogen gas at a pressure of 125.6 kPa. ! What is the partial pressure of the nitrogen in the new container? ! What is the total

    asked by Anonymous
  66. physics

    An astronaut wearing a 20-kg spacesuit jumps on the moon with an initial velocity of 16 m/s. On the moon, the acceleration due to gravity is 1.62 m/s squared. What is the maximum height he reaches?

    asked by Kelly
  67. Geography (Ms. Sue)

    In 1949, near what country were the Communist nations of Europe located?

    asked by Anonymous
  68. chemistry

    When 5 grams of salt is dissolved in 95 grams of water the temperature of the solution increases 10°C how much heat is evolved the heat capacity of the solution is 1.1 cal/g°C

    asked by Cheryl
  69. 6th grade math

    6 1/2-7/8 / 5 11/16 evaluate the expresson

    asked by rupa
  70. statisics

    Suppose 4 news anchors are randomly selected. Assume the appropriate requirements are met. If the chances of reporters working for one news anchor is 0.60, find the probability it works for three of them.

    asked by Friend in need
  71. To "bob"

    Please don't ever post whole lists (tests? Homework?) of questions and answer choices here again. We do not take tests or do complete homework assignments for students. =(

    asked by Writeacher
  72. Physics

    I need help really bad anyone good at this???? Name three different kinds of graphs that are often used to plot information and discuss the value of each.

    asked by Mary Ann
  73. Business

    Television is an attractive advertisnig medium because it A.offers a rapidly growing network audience. B.is relatively inexpensive. C.provides instant feedback which can be used to measure effectiveness. D.offers mass coverage and flexibility. I think is D

    asked by bella
  74. Math

    A house cost $85,000. The price of the house will raise 5% each year. If the price actually rise at that rate, what will the price, P, of the house equal in y years. a. Make a table for 5 years B. Explain how you calculated the price c. What number do you

    asked by Vanessa
  75. astronomy

    Can CMB show that the universe was accelerating at the time the CMB formed thus measuring dark energy early in the universe?

    asked by Bella
  76. Science

    By counting the number of H atoms and oxygen atoms in the sucrose. what is the ratio of hydrogen to oxygen? What process would this be called if you had a starch like above and added water to it so it broke down into the simple sugars the starch is made

    asked by Kaylyn
  77. Math-Algebra

    A cylindrical tank could hold 100.48m^3 of water. If the height of the tank is 2m, what is the radius of its base?

    asked by McKenna Louise
  78. 12th grade MATH

    1.)A picture 8 in. by 12 in. is placed in a frame which has a uniform width. if the area of the frame is equal to the area of the picture, find the dimension of the frame (8+2x)(12+2x)-96 = 96 (8+2x)(12+2x)=96+96 96+4x(2)=192 4x(2)=192-96 4x(2)=96

    asked by Blue
  79. finance 571

    Chip’s Home Brew Whiskey management forecasts that if the firm sells each bottle of Snake-Bite for $20, then the demand for the product will be 15,000 bottles per year, whereas sales will be 85 percent as high if the price is raised 16 percent. Chip’s

    asked by Anonymous
  80. Science/ bio HELP PLEASE!!!!!!!

    Pick the correct answer to the following question. Write a brief statement explaining why each choice of answers is correct or incorrect. A person is hyperventilating. Their rapid rate of breathing causes a loss of carbon dioxide than usual from the body,

    asked by Taylor
  81. Life ScienceS

    Essay adaptations of predator and prey and effect of predation population growth

    asked by OwamIIi
  82. history

    what is the purpose of the preamble?

    asked by Mary Ann
  83. IR chemistry - instrumental anaylsis

    my last instrumental analysis lab was basically about becoming familiar with using an IR spectrometer. I used a salt solution with a sodium chloride salt plate although it was not stated in the procedure to do so. the IR spectra seems to have come out fine

    asked by Instrumental
  84. Physics

    The coefficient of static friction between the 2.90 kg crate and the 35.0° incline of Figure P4.41 is 0.260. What minimum force F must be applied to the crate perpendicular to the incline to prevent the crate from sliding down the incline?

    asked by David
  85. math

    Deepak is 10 years old, and his brother is 7 years old. In how many years time will their total age be 41.

    asked by jade
  86. math

    The position vectors of points A and B with respect to the origin 0, are (-8,5) and (12,-5) respectively. Point M is the midpoint of B and N is the midpoint of OA. (a) Find: (i) The coordinates of N and M (ii) The magnitude of NM (b) Express vector NM in

    asked by kg
  87. Algebra 1 (Reiny)

    1). A square pyramid has a volume of 560 in to the third power, a base length of 10 in., and a height of 14 in. What is its base width? 2). h + p = 3(k-8)

    asked by Anonymous
  88. maths

    SOLVE (x^2 – x)2 – 14(x^2 – x) + 24 = 0 A. 3, 1, -2, -4 B. 1, -3, -4, 2 C. -3, -1, 2, 4 D. -2, 3, -4, 1

    asked by mdan
  89. algebra 1

    Guitar Practice You practice playing your guitar every day. You spend 15 minutes practicing chords and the rest of the time practicing a new song. So the total number of minutes y you practice for the week is given by y 5 7(15 1 x), where x is the number

    asked by Jynessa
  90. Math Middle

    I used my gas tank and used 7/16 of gas. Then I used another 1/3 of the remaining gas what fraction of the tank is filled with gasoline. My Answer is 7/8 of the tank is filled.

    asked by Mary
  91. math homework

    A37 foot long Submarine sanwich is cut in to three piece.the shortest piece is x feet long.the second piece is twice as long as the shortest piece.the longer piece is 2 feet longer than four time the length of the shortest piece.find the length of all

    asked by robinson
  92. English

    1. A few minutes later, the dog started to have a stomachache and we had to take him to the hospital. 2. A few minutes later, the dog started to groan lying on the floor, so we had to take him to the hospital. 3. A few minutes later, the dog began to make

    asked by rfvv
  93. Finance

    Assume that Pelon Inc. has issued a 10 year maturity bond with a yield of 8%. Its coupon rate is 5% and the coupons are paid semi annually. Its par value is the value of this bond at the issue date?

    asked by Kay
  94. physics

    where must a 1200n weight be hung on a uniform, 200N pole so that a boy at one end supports one-third as much as a man at the other end?

    asked by ghel
  95. Health

    How can you determine (approximately) a serving size if you do not have a nutrition label to read?

    asked by Anonymous
  96. Math

    Arman has 1160 annual income from bonds bearing 3% and 5 % interest. then he added 25% more of the 3% bonds and 40% more of the 5 % bonds, thereby increasing his annual income by 410. find his initial investment in each type of bond (if you would,just give

    asked by Bella
  97. Math

    A baseball pitcher has pitched a total of 25 innings so far during the season and has allowed 18 runs. At this rate, how many runs, to the nearest hundredth, would he allow in nine innings? This number is called the pitcher’s earned run average, or ERA.

    asked by Jamie
  98. math Too Hard!

    to determine the size pf a parks moose population, caturalists catch 72 moose, tag them, and then set them free. months later 65 moose are caught, of which 15 have tags. Estimate the size of the moose population.

    asked by Ernie
  99. Geography

    I need a map of South America countries that shows their mineral deposits in details. Can someone please give me a website?

    asked by Krystal
  100. Physics

    Help plz!!! Where are all the helpers??!! ahhhhhhh :p Explain what chart junk is and how it differs from the kind of items you should include in your graphs. Provide four examples.

    asked by Mary Ann
  101. Geography

    Does anyone know a good website that shows South American countries natural resources in detail?

    asked by Krystal
  102. Math

    THC, the active ingredient in marijuana, is said to have a half-life of about one day. If someone ingests 3 grams of THC, write an equation to represent M, the amount of marijuana in his system when he tested d days later.

    asked by aprial
  103. math

    how much money do I need to deposit today to end up with 13000.00 in 3 years with interest rate 6.5

    asked by DJ
  104. Biology simple question

    Why is wavelength data important in terms to spectrophotometer. TY SO MUCH!!!

    asked by Karli
  105. pre-algebra

    a local newspaper can be ordered for delivery on weekdays or sundays. a weekday paper is 35 cents and the sunday edition is $1.50. the stadles ordered delivery of the weekday papers.the month of march had 23 weekdays and april had 20. how mach should the

    asked by cayla
  106. Algebra 1 (Reiny)

    12a - 11 = 9a - 1?

    asked by Anonymous
  107. algebra 1

    4-10y=22-6x Solve the Equation for y

    asked by Katie
  108. math pre-agebra

    how do i write this equation cars the marton family took a vacation that covered a total distance of 1356 miles. the return of the trip was 284 miles shorter than the first part of the trip. how long was the return trip?

    asked by cayla
  109. Algebra 1

    A vending machine had to be programmed to accept any combination of nickels, dimes, and quarters that totals 40 cents. How many different combinations are possible?

    asked by Alexandra
  110. physics

    Two soccer players start from rest, 32 m apart. They run directly toward each other, both players accelerating. The first player’s acceleration has a magnitude of 0.55 m/s2. The second player’s acceleration has a magnitude of 0.40 m/s2. (a) How much

    asked by monica
  111. Science

    What term describes the size of a starch?ƒ°

    asked by Kaylyn
  112. foreign language

    i want to speak spanish, french were do i start to learn those languages

    asked by cayla
  113. Science

    What building blocks are starches made of? What is the difference between sugar and starch? What term describes the size of a starch? What molecule has to be added to a starch to break it down?

    asked by Hannah
  114. Science

    Where in you body would starches start being broken down when eaten? What process was being demonstrated when you put the three glucoses together? What general term refers to monosaccharaides, disaccharides and polysaccharides because when they break down

    asked by Joe
  115. math

    A firm's sales for the month total $30,000. If the ratio of cash to credit sales is 2:3, what do cash sales total?

    asked by diane
  116. math

    The position vectors of points A and B with respect to the origin 0, are (-8,5) and (12,-5) respectively. Point M is the midpoint of B and N is the midpoint of OA. (a) Find: (i) The coordinates of N and M (ii) The magnitude of NM (b) Express vector NM in

    asked by Kg
  117. History

    What was the name of the people who settled Gaul that became modern France? Was is the romans??? or the celtics???

    asked by JJ
  118. physics

    You are riding in a boat whose speed relative to the water is 4.5 m/s. The boat points at an angle of 25.1¡ã upstream on a river flowing at 12.8 m/s. Find the time it takes for the boat to reach the opposite shore if the river is 26.2 m wide.

    asked by regina
  119. Algebra 1

    Solve h + p = 3(k-8) for k.

    asked by Anonymous
  120. Math

    How would you use set builder notation to show that sine is discontinuous at every interval pi?

    asked by Anonymous
  121. English

    1. In three minutes, he started to shout. 2. After three minutes, he started to shout. (Which preposition should we use? Which one is right?) 3. Three minutes later, he started to shout. 4. Some minutes later, he started to shout. 5. After a short time, he

    asked by rfvv
  122. Biology

    Caenorhabditis elegans hermaphrodites have six different homologous chromosome pairs: five pairs of autosomes (called I-V) and one pair of sex chromosomes (called X). Hermaphrodites can either self-fertilize or they can be fertilized by males (which only

    asked by Marina
  123. Math

    Han Song cycled 2 1/4 Km to the playground to meet his friend. Then, he cycled 1 2/5 km to the hawker centre to have lunch. What was the total distance Han song cycled?

    asked by Anonymous
  124. math word problem

    to determine the size pf a parks moose population, caturalists catch 72 moose, tag them, and then set them free. months later 65 moose are caught, of which 15 have tags. Estimate the size of the moose population.

    asked by Ernie
  125. Math

    how many terms of the arithmetic sequence -5,-1,3,… must be added to reach the sum of 400

    asked by Pre-Cal
  126. math

    what is m4 (m to the 4th power)

    asked by Kim
  127. physics

    where must a 1200n weight be hung on a uniform, 200N pole so that a boy at one end supports one-third as much as a man at the other end?

    asked by ghel
  128. Chemistry

    Find the concentration of the polyprotic weak acid given the following: - 1 equiv needs 6 ml NaOH, 2 equiv needs 18 ml NaOH, 3 equiv needs 28 ml NaOH - pKa1 = 2, pKa2 = 3.9, pKa3, 10 - Molarity of NaOH = 0.175 - Total volume of NaOH = 28 ml - Volume of

    asked by OR
  129. physics

    A ferryboat traveling at a speed of 30 km/h attempts to cross a river with a current of 5 km/h. What is the boat's speed relative to the shore?

    asked by jaz
  130. poetry

    Hi, I am analyzing a poem which is Sick Rose by William Blake. O Rose thou art sick. The invisible worm, That flies in the night In the howling storm: Has found out thy bed Of crimson joy: And his dark secret love Does thy life destroy. I need to know the

    asked by Shannon
  131. Finance

    Harrison Inc. has issued a zero/ coupon bond with par value of $1000. The bond pays no coupons until the end of the 6th year, at which point it pays 10% annual coupons. What is the issue (initial) price of this bond if it has a 20 year maturity and yield

    asked by Kay
  132. Calculus

    using d^2(h)/dt^2=−g+k(dh/dt)^2, find an expression for the terminal velocity in terms of k and g? g is the acceleration due to gravity, k is a constant, h(t) is the height of the falling object, dh/dt is its velocity, and d^2(h)/dt^2 is its

    asked by Brad
  133. Math

    I need help on how to work the problem below. The teacher said the answer is 11, but I don't understand how you get there. "The Big Screamer Coaster carries 92 people altogether. Some if its cars carry 4 passengers,and the rest carry 6 passengers. There

    asked by Brandi
  134. Math help!! for finals

    1.)A picture 8 in. by 12 in. is placed in a frame which has a uniform width. if the area of the frame is equal to the area of the picture, find the dimension of the frame 2.)Arman has 1160 annual income from bonds bearing 3% and 5 % interest. then he added

    asked by Lewis
  135. Biochemistry

    Can someone help me calculate protein concentration using the Bradford Assay? If you could show me how to do tube 2, that'd be great. Tube 1: 0 ul Protein Stock Solution, 800 ul Water, 0 ug Protein, Absorbance @595nm = 0 Tube 2: 10 ul Protein Stock

    asked by OR
  136. Algebra, help needed

    I need help I don't know how to solve this system Solve the following system. Show all your work 3x-2y+2z= 30 -x+3y-4z= -33 2x-4y+3z= 42

    asked by Mary Ann
  137. science

    Can CMB radiation show that the Universe was accelerating at the time the CMB formed thus messuring dark energy early in the universe?

    asked by Mia
  138. Urgent

    3) List 3 strategies to help escape riding in a vehicle with an impaired driver.

    asked by Urgent
  139. quantum physics

    Can anyone help me to solve this problem? Suppose we have a particle in 1-dimension, with wavefunction Ae^(−|x|2d). What is the probability to find the particle in the interval [0,d]? Please provide your answer in terms of A, d, mathematical

    asked by Judy
  140. quantum physics

    Suppose a particle has wavefunction ψ(x,t=0)=Aexp−(x^2/2l^2). What is the average value (expectation value) of p^, ⟨p^⟩, for this state at t=0?

    asked by Judy
  141. quantum physics

    The variance σX^2=⟨(X^−⟨X^⟩)^2⟩ of an operator, X^, is a measure of how large a range its possible values are spread over (the standard deviation is given by σ=sqrt(σ2)). Suppose that |X⟩ is an eigenstate of some

    asked by Judy
  142. English

    Which is correct-- 3). or 3.)? Also, when writing a list in a sentence, in which manner is correct? For example: 1). Poverty. 2). The rebellion. (Or) 1). Poverty 2). The rebellion

    asked by Anonymous
  143. English

    What length is an appropriate summary?

    asked by Anonymous
  144. astronomy

    Is morphing of particles to anti-particles(for exampe:neutrio)key for assimetry between matter/anti-matter?

    asked by Bela
  145. Chemistry

    How do I convert micrograms/mL to micromol/L? Thanks

    asked by AA
  146. History

    Explain how the 3/5ths Compromise is connected to the Great Compromise.

    asked by Fort
  147. astronomy

    which of the statment about CMB are true?

    asked by Bela
  148. Kharkutta govt. School

    Split 597 into three parts such that these are in A.P. and the product of the two smallest parts is 796

    asked by Silkhan momin
  149. Math

    May I please have some help solving these problems on my homework? Thank you. :) 38. -p = 29.16 41. Your class sold raffle tickets. Out of every 15 tickets, 14 did NOT win. There were 24 winners. How many tickets were sold? Explain your method and why you

    asked by Genna
  150. astronomy

    Can CMB show that the universe was accelerating at the time the CMB formed thus measuring dark energy early in the universe?

    asked by Bella
  151. pyschology

    I am writing a paper for Pyschology about how I have a tendency after washing my hands I have this pattern to take the paper towel or hand cloth and use it to open the door. Which psychological theory would this fall under? 1.Classical Conditioning 2.

    asked by Christopher
  152. astronomy

    Why the Universe ,as we know it,made of matter,with no antimatter,and what is the role of neutrino? Thanks

    asked by Mia
  153. maths2

    Use the discriminant to determine the number of real roots the equation has. 7x2 + 3x + 1 =0 A. One real root (a double root) B. Two distinct real roots C. Three real roots D. None (two imaginary roots)

    asked by mdan
  154. physics

    A baseball is hit at a height of 1.1 m with an unknown initial velocity at 38 ° above the horizontal. It just clears a barrier of height 36.1 m at a horizontal distance of 63.0 m. Find: a) the initial speed;

    asked by Louis
  155. math

    Maurice puts 130 trading cards in protector sheets. He fills 7 sheets and puts the remaining 4 cards in an eighth sheet. Each of the filled sheets has the same number of cards. How many cards are in each sheet?

    asked by manika
  156. Geography (Ms. Sue)

    Is this correct: However, in the 1300s, as preventive measures have become discovered, most doctors recommended these methods or purifying the air to prevent plague: 1. Burn richly scented incense. 2. Fill the house with flowers. 3. Sprinkle the floors

    asked by Anonymous
  157. english

    compare and contrast decolonising the mind with another similar essay

    asked by momodou
  158. Science

    What process is being demonstrated when you put 3 glucose's together?

    asked by Hannah
  159. Science

    Is the ratio the same in one glucose and the sucrose when it's reduced?

    asked by Joe
  160. Math

    My Math questions are: Find 1/10 of 1/100 of a meter = 1/10 meters. Find 1/60 of 1/60 of an hour = 1hour Am I correct. Thanks

    asked by Americal
  161. chemistry

    a metal object has a mass of 8.37

    asked by Anonymous
  162. Life orientation

    Name five sources of the environmental health hazard that can contribute to ill health insidehome

    asked by Themba
  163. Creative Writing

    Need help describing something. I'm not good at writing horror or graphic death and such. In my story, a tree's branches basically 'come to life,' but I'm not sure what kind of details to use for the branches if they're like elastic and bend and twist like

    asked by Lindsay
  164. finanical accounting

    Assume that you are the president of Gaslight company. At the end of the year (December 31, 2011 of operation.

    asked by shirley
  165. CALCULUS

    using d^2(h/dt^2=−g+k(dh/dt^2, find an expression for the terminal velocity in terms of k and g? g is the acceleration due to gravity, k is a constant, h(t) is the height of the falling object, dh/dt is its velocity, and d^2(h)dt^2 is its acceleration.

    asked by Brad
  166. math alegebra

    to determine the size pf a parks moose population, caturalists catch 72 moose, tag them, and then set them free. months later 65 moose are caught, of which 15 have tags. Estimate the size of the moose population.

    asked by Ernie
  167. Chemistry

    Find the concentration of the polyprotic weak acid given the following: - 1 equiv needs 6 ml NaOH, 2 equiv needs 18 ml NaOH, 3 equiv needs 28 ml NaOH - pKa1 = 2, pKa2 = 3.9, pKa3, 10 - Molarity of NaOH = 0.175 - Total volume of NaOH = 28 ml - Volume of

    asked by OR
  168. HELP PLEASE - Chemistry

    I need help with answering this question. What is the absolute entropy of 1.9 mol of gaseous ammonia at 2.8 bar and 298 K?

    asked by Anonymous
  169. Business Math

    Fran Mallory is married, claims five withholding allowances, and earns $3,500 (gross) per month. In addition to Federal income tax (FIT), social security, and Medicare withholding, Fran pays 2.1% state income tax, and ½% for state disability insurance

    asked by Shytanna
  170. Physics

    A spring has an unstretched length of 9.8 cm. The potential energy stored in the spring is V when the spring is streched to a length of 11.8 cm. What is the stretched length of the spring when its potential energy is 2.2 V? What compressed length will

    asked by Maddie
  171. LiFe Sciences..

    1.explain how a species may display a herd or flock behavior as a survival strategy? 2.Name one other social behavior that animals may display as a survival strategy?

    asked by Owam----iiiii
  172. physics

    A velodrome is built for use in the Olympics (see the figure below). The radius of curvature of the surface is 19.1 m. At what angle should the surface be banked for cyclists moving at 11 m/s? (Choose an angle so that no frictional force is needed to keep

    asked by nerma
  173. dma040

    Explain which terms are alike 7xy -9x^2 -15xy^2 -14xy

    asked by Bridget
  174. physics

    meter stick is located at 50.5 cm and the stick is supported at 60 cm. where must a 190 gram load be hung in order to have equilibrium?

    asked by ghel
  175. dma040

    Solve for x. 13/14x + 8/7 = 6/7x

    asked by Bridget
  176. Finance

    Suppose Preun Inc. issues $200 million in 60 day maturity commercial paper at a price of 99.35 par. (commercial paper is like a zero coupon bond. You buy it at a price of less than its par value and it pays the investor par value at the maturity date.) It

    asked by Kay
  177. math

    using d2h/dt2=−g+k(dh/dt)^2, find an expression for the terminal velocity in terms of k and g?

    asked by Molly
  178. dma040

    Police officer to Speedzilla he was speeding at or above 120 miles per hour. Write an inequality to express Speedzilla speed, then show in graph, write in set notation.

    asked by Bridget
  179. Geography

    The 600 pounds of cream cheese got delivered to the zoo in Moscow . By 7:00am Wednesday morning all of the cream cheese had been eaten by the animals .three hours later you get the news and call San Francisco to inform them of thd mistake .what time is it

    asked by Anabelle
  180. math

    the perimeter of a rectangle is 3 times the length, plus twice the width. what is the equation to find the perimeter of the rectangle?

    asked by Zion
  181. Math

    1.)A picture 8 in. by 12 in. is placed in a frame which has a uniform width. if the area of the frame is equal to the area of the picture, find the dimension of the frame 2.)Arman has 1160 annual income from bonds bearing 3% and 5 % interest. then he added

    asked by Lewis
  182. Algebra

    Help plz!!!! (This homework question has been removed due to a copyright claim submitted by K12, Inc.)

    asked by Mary
  183. social studies

    Townshend Acts: Why did the British take this into action?

    asked by Nikki
  184. castlemont

    travis sister is 5 years less than twice his age how he can express this expression

    asked by miguel
  185. Introductory & Intermediate Algebra

    A bill was defeated in the legislature by 50 votes. If one-fifth of those voting against the bill had voted for it, the bill would have passed by 30 votes. How many legislators voted for the bill?

    asked by Gregg
  186. Statistics

    An April 15, 2002 report in Time Magazine stated that the average age for women to marry in the United States is now 25.9 years of age. If the standard deviation is assumed to be 4.3 years, find the probability that a random sample of 32 U.S. women would

    asked by Casey
  187. algebra

    can someone show me how to solve this the instructions are for me to solve by the quadriatic formula is this really 8 grade math im confused im trying to help my daughter tammi and i have never run across this before X^2 + 9=0

    asked by tammi
  188. Math

    Place the following number in order from Least to Greatest. A. 64.34 B. 64.5 C. 64.17 D. 64.3

    asked by Anonymous
  189. algebra

    Determine the number and types of roots for each equation X(X+3)=2

    asked by john
  190. algebra

    Determine the number and type of roots for each equation. thanks inadvance can u please show mw step by step thanks 2X(X+2)=-2

    asked by john
  191. algebra 1

    6x-3y=12 Solve the Equation for y

    asked by Anonymous
  192. math

    I am ready to make pancakes. Each individual pack needs 2/3 cup of milk but I only have a 3/4 measuring cup. What do I do?

    asked by xav
  193. math

    find the perimeter of five bricks (3x)+(2x+2)+(5x-3)+(2x+2)

    asked by cayla
  194. Chemistry

    What is the maximum mass of the lower molar mass product that can be formed when 83.0 g of solid barium bromide and 20.5 g chlorine gas react?

    asked by Connor
  195. physics

    An elevator is stopped at the ground floor. It starts moving upwards at constant acceleration a>0 for 5 seconds. It then keeps a constant speed for 35 seconds. Finally, it slows down with an acceleration of the same magnitude (but opposite direction) −a

    asked by Help!!
  196. Chemistry

    How many mL of 5.00 M NaCl must be diluted to produce 2.40 L of 0.150 M NaCl?

    asked by Russel
  197. Math

    the number is less than 20 it is an odd 1 digit number, is not the number of sides of a triangle it can be divided by 3

    asked by Gio
  198. physics

    An elevator is stopped at the ground floor. It starts moving upwards at constant acceleration a>0 for 5 seconds. It then keeps a constant speed for 35 seconds. Finally, it slows down with an acceleration of the same magnitude (but opposite direction) −a

    asked by Help!!
  199. figure of speech

    The World is as big as....

    asked by Ruth
  200. Taking Time to Thank

    I want to thank all the homework helpers who have helped me in the past. Ms. Sue Steve Writeacher Jai I really appreciate all of you guyz helping me out, you improved my grades and i thank you because of that :)

    asked by Mary Ann
  201. science

    What is formed if solid copper sulfate is mixed with water

    asked by cece
  202. MAth

    Ok so basically we have to choose a topic of interest and then survey it... one that you can obtain numerical data from that has the potential to have responses with a significant amount of variation. and then create a question to ask/investigate. Be sure

    asked by Lululu
  203. Please Help

    Can someone please help with the chemistry problems? I need them to study.

    asked by Russel
  204. English

    Is a comma required in this sentence? "James ran to the grocery store, and David walked to the library."

    asked by Anonymous
  205. mathematics

    Use the discriminant to determine the number of real roots the equation has. 3x2 – 5x + 1 =0 A. One real root (a double root) B. Two distinct real roots C. Three real roots D. None (two imaginary roots)

    asked by mdan
  206. physics

    A baseball is hit at a height of 1.1 m with an unknown initial velocity at 38 ° above the horizontal. It just clears a barrier of height 36.1 m at a horizontal distance of 63.0 m. Find: a) the initial speed;

    asked by Louis
  207. STAT

    You want to determine if your widgets from machine 1 are the same as machine 2. Machine 1 has a sample mean of 5 and a population standard deviation 2 and a sample size of 4. Machine 2 has a sample mean of 10 and a population standard deviation of 2 with a

    asked by Tammy
  208. Math Exponents

    A closet has a volume of 5^3 cubic feet. Which of the following is equal to 5^3? A.)15 B.)25 C.)125 D.)243

    asked by Jared
  209. math

    A small pool contains about 7, 600 liters of water. The greatest amount of water the pool could have is blank kilometers

    asked by deflice
  210. Geography (Ms. Sue)

    Is there more trade within the EU or between the EU and non-members countries? Explain? A: There is more trade within the EU because ?

    asked by Anonymous
  211. math pre-algebra

    a paved brick is 3x , 2x+2 , 5x-3 , 2x+2 find the perimeter of five bricks

    asked by cayla
  212. college chem

    a compound containing

    asked by Erika
  213. Geography (Ms. Sue)

    What is the value placed upon education in the countries of Russia and the Republics? A: The value placed upon education is extremely high in the region?

    asked by Anonymous
  214. Data Management

    1. How many eight digit even numbers are possible with the digits 7 5 4 5 7 5 0 7? Is the correct answer 240? If not, please explain. 2. Express t(6,3) + t(6,2) as a single term from Pascal's Triangle. *The (6,3) and (6,2) are subscripts of t.

    asked by Rayne
  215. chem

    A sample of gas has an initial volume of 32.6L at a pressure of 1.2atm.If the sample is compressed to a volume of 13.4L , what will its pressure be? (Assume constant temperature.)

    asked by kristine
  216. Exponents and division 8th grade

    x^4/x^16 i don't know 12^10/12^2 12^8 5n^14/20n^7 i don't know 6^8/6^8 1 a^9b^5/a^3b^15 i don't know /=divided by

    asked by rockrboigurlluvr14
  217. Pre-Calculus

    For the function f(x)=3x^3−42x Compute the difference quotient [f(x+h)−f(x)]/h,h≠0 I checked my work like 3 times and still got [(-2x^3)+(3hx^2)+(3xh^2)+(h^3)-(42h)]/h Is it wrong?

    asked by Ann
  218. economics

    Speculate as to why price leadership is legal in the U.S. whereas price fixing is not?

    asked by mark
  219. Reading

    64.8% Of students went to the football game are the other half was busy . Can you multiply to get the answer

    asked by Jessica
  220. Math

    Lakeisha placed $120 in a savings account earning simple interest. Find the interest rate if her account is worth $124.20 after one year.

    asked by Helen
  221. Math

    Meda invested $1,000 into a particular stock. In four months, her stock was worth $3,000. Find the percent of increase in her investment.

    asked by Mary
  222. Trig

    a child puts beads on one spoke of a bicycle wheel. the tire has a diameter of 2ft. if the child rides so that the tire makes one full rotation every 15 sec, and the beads begin in the horizontal outward position, find an equation that models the position

    asked by Bailey
  223. Math

    Determine the range of each function a)f(x)=(x^2+3)^2,XER Answer is f(x)ER, f(x)>9 b)f(x)=1/3+x^4,XER Answer is f(x)ER, 0

    asked by Jordan
  224. Bio

    How many chromatids per diploid nucleus (in a diploid somatic cell) will there be after Telophase of mitosis in C. elegans male cells?

    asked by Anonymous
  225. Calculus

    If f(x)= (1-cosx)/x and g(x)= 2/x on the interval (0,infinity), how would you identify all vertical asymptotes of f and g?

    asked by CeCe
  226. Physics

    Imagine that if you drop an apple from a certain height, its final speed is 20 m/s when it reaches the ground. If you throw the apple vertically downward from the same height with an initial speed of 20 m/s, what will be its final speed? I tried

    asked by Maddie
  227. Chemistry

    Balance the redox reaction: Ag(aq)+Cu(s)= Ag(s)+Cu(aq)

    asked by Noelle
  228. English

    1. My sister and I took part in school marathon yesterday. 2. My sister and I took part in a school marathon yesterday. 3. My sister and I took part in the school marathon yesterday. 4. My sister and I took part in School Marathon yesterday. 5. My sister

    asked by rfvv
  229. English

    1. He ran for class leader. 2. He ran for a class leader. 3, He ran for the class leader. (Which one is grammatical?)

    asked by rfvv
  230. science physics

    arthur is riding a horse at a velocity of 4m/s. four seconds after, he is already traveling at a velocity of 12m/s. what is his acceleration

    asked by Fatima
  231. Math

    Find the length of the arc (sector question) Radius=8cm Angle=27

    asked by Bob
  232. English

    1. I was lifting some weights at the gym last night. 2. I was lifting some weights in the gym last night. 3. We played dodgeball at the gym. 4. We played dodgeball in the gym. (Do we have to sue 'in' or 'at'? Which ones are grammatical?)

    asked by rfvv
  233. math

    Round 9.46531 to nearest hundredth.

    asked by kim
  234. Character ed

    What are some good ideas for a vision board ?

    asked by Anonymous
  235. Calculus

    solve for dv/du dQ/du= 38u + [(u+v)^2(18+19dv/du) -(2(18u+19v)(u+v)(1+dv/du)]/ (u+v)^4 u=10 v=25 I am confused how u solve for the dv/du in this big equation and reducing and stuff like that thanks!! this is about implicit di

    asked by Rebekah
  236. Algebra

    I need help I don't know how to solve this system Solve the following system. Show all your work 3x-2y+2z= 30 -x+3y-4z= -33 2x-4y+3z= 42

    asked by Mary