Questions Asked on
December 2, 2014

  1. Computer Applications

    John is creating a presentation. Before he starts, he takes into consideration several aspects that can help to determine how the presentation should be set up. Three of the following are important considerations at this initial stage. Which of the

    asked by Tiana
  2. Chemistry

    It takes 476 kJ to remove 1 mole of electrons from the atoms at the surface of a solid metal. how much energy (in kJ) does it take ti remove a single electron from an atom at the surface of this solid metal?

    asked by Anonymous
  3. English

    1. This water is not good to drink. 2. This water is not good for drinking. ----------- Are both OK?

    asked by rfvv
  4. language arts

    When Louise Meyer was five years old, her mother took her to a science museum. That day, young Louise encountered her first snakes, and she's been fascinated with the reptiles ever since. Meyer now breeds snakes for educational programs. She takes her

    asked by hope
  5. algebra

    a grocery store has 116 bags of marshmallows. over 6 months, it sells 8 bags of marshmallows per month. how many marshmallows are in inventory at the end of 6 months?

    asked by charlie
  6. Algebra

    Write an addition expression using fractions that equals -1/2. I'm not sure how to do this, please help!

    asked by Arnold
  7. accounting

    If preferred dividends are limited to the stated rate of dividend, the preferred stock is: A. noncumulative B. Cumulative C. participating D. Nonparticipating

    asked by Judy
  8. English

    1. My mother has made the doll. 2. The doll has been made by my mother. 3. The doll is made by my mother. 4. The doll was made by my mother. ------------------------- Is #2 the passive sentence of #1? What about #3? Can #3 be the passive of #1?

    asked by rfvv
  9. language arts

    Which persuasive technique is used in the following sentence? The movie was advertised as "full of adventure." Isn't it. appeal to emotion appeal to reason repetition rhetorical question Someone help me please. I'm struggling. Thank you!

    asked by hope
  10. Chemistry

    Given cell Cd | CdCl2 (0.55M) || NaBrO3 (0.34M), NaBr (0.12M), pH=1.20 | Pt 1. How many electrons are transferred? 2. What is E° for the cell? 3. What is E for the cell?

    asked by Kelly
  11. English

    1. The boy said, "We saw lions and tigers yesterday." 2. The boy said that they had seen lions and tigers the day before. 3. The boy said that they had seen lions and tigers the previous day. ------------------ Are they all the same? Do they have any

    asked by rfvv
  12. English

    1. What did you buy? 2. What was bought by you? --------------------- Is #2 the passive of #1?

    asked by rfvv
  13. Physics

    The figure below shows block 1 of mass 0.200 kg sliding to the right over a frictionless elevated surface at a speed of 5.00 m/s. The block undergoes an elastic collision with stationary block 2, which is attached to a spring of spring constant 1208.5 N/m.

    asked by Chelsi
  14. algebra

    a rectangle has a perimeter of 30 inches.Its length is one less than three times its width. what are the length and widths of the rectangle

    asked by kae
  15. Physics

    We always hear people say “You should conserve energy! Think of what will happen to the next generation if all our energy resources get depleted!” Is this in contradiction with the Law of Conservation of Energy which states that the total amount of

    asked by Brianna
  16. physics

    If someone is standing on an edge of a table with a book in his hand.if he is going to fall from the este then What should he do to avoid falling from edge?

    asked by aliya
  17. English

    1. We can invite all our friends if we have a bigger house. 2. We will invite all our friends if we have a bigger house. 3. We could invite all our friends if we had a bigger house. 4. We would invite all our friends if we had a bigger house.

    asked by rfvv
  18. English

    1. Three-fourth of the people were against the plan. 2. Three fourth of the people were against the plan. -------------------- Is #2 grammatical? It is without a 'hyphen.'

    asked by rfvv
  19. management

    why total earning of employee's job decrease while who worked more efficiently.

    asked by fatima
  20. MATH

    Fe walked 9/20(9 over 20) km,Beth walked twice as much as Fe,and Tina walked as much as Fe and 2/20(2 over 20) km. more.Who walked the farthest?How many kilometers did the 3 girls walk?

    asked by yenoah
  21. math

    Benny drank 4 over 10 liter of juice.His brother drank as much as him and 1 over 10 more,and his sister drank half as much as him.How much juice did the three children drink?

    asked by yenoah
  22. physics

    A 6 N box is projected with a velocity of 2 m/s at the bottom of the plane inclined 30 degrees above the horizontal. If friction is neglected, how high up along the plane will it travel before coming to rest?

    asked by cesa
  23. physics

    A 500kg roller coaster starts from rest at points 35m above the ground level. The car drives down into a valley 4m above the ground and then climbs the top of a hill that is 24m above the ground level. What is the velocity of the car in the valley and at

    asked by cesa
  24. Social studies

    What do you believe is the impact of Euclid's work?

    asked by Daniela
  25. Ashworth college

    The lifetimes of light bulbs of a particular type are normally distributed with a mean of 270 hours and a standard deviation of 11 hours. What percentage of the bulbs has lifetimes that lie within 2 standard deviations of the mean on either side? Apply the

    asked by Justice
  26. math help!

    Hi! How may you check 2+3w=12+2w to equal each other and check out equal

    asked by Maxine
  27. math

    need help please. the time required for one complete oscillation of a pendulum is called its period. if L is the length of the pendulum, then the period is given by P= 2 times pie multiplied by the square root of (L/g), where g is a constant called the

    asked by john
  28. 3rd grade math

    What is the next number pattern below? 16,24,32,40,48

    asked by Anonymous
  29. MATHS

    A CAR TRAVELS 60KM IN 1HR 30MIN.HOW LONG WILL IT TAKE TO COVER A DISTANCE OF 100KM AT THE SAME SPEED.

    asked by SARANG
  30. Statistics

    The lifetimes of projector bulbs of a particular type are normally distributed with a mean of 470 hours and a standard deviation of 15 hours. What percentage of the bulbs has lifetimes that lie within 2 standard deviations of the mean on either side? Apply

    asked by Justice
  31. History

    Which of the following was a problem caused by the Yazoo land fraud? (Choose all that apply.) A. It created a conflict of interest. B. It forced Creek Indians to turn over their land. C. There was not enough land for companies to purchase in the future. D.

    asked by HELP MEEEEE
  32. Science Please Help

    Which of the following is a testable hypothesis? A. Altered temperature may affect gas production, which measures fermentation rate. B. Does temperature affect fermentation? C. Temperature decreases will affect gas production and fermentation much of the

    asked by Anonymous
  33. Science Please Help

    Which of the following is a testable hypothesis? A. Altered temperature may affect gas production, which measures fermentation rate. B. Does temperature affect fermentation? C. Temperature decreases will affect gas production and fermentation much of the

    asked by Anonymous
  34. history

    Which of the following was a problem caused by the Yazoo land fraud? (Choose all that apply.) A. It created a conflict of interest. B. It forced Creek Indians to turn over their land. C. There was not enough land for companies to purchase in the future. D.

    asked by HELP MEEEEE
  35. math

    in a class of 40 boys 18 passed business mathematics, 19 passed accounts, 10 passed economics, 6 passed accounts only, 5 passed business mathematics and accounts only, 2 passed accounts and economics only. how many passed in all three papers

    asked by jasper
  36. Math Question

    To solve this problem, use the Pythagorean Theorem to find the third side. Next, find the other five trigonometric functions of theta (sin, tan, csc, sec and cot). Cos=5/7

    asked by Tori
  37. Math

    A ladder is leaning against the side of a house so that it can reach a window that is 25 feet off the ground. The angle in which is formed between the ladder and the ground is 52 degrees. How far from the base of the house is the base of the ladder? Round

    asked by Michael
  38. coordinate algebra

    The area of a rectangle is found by multiplying the length by the width: A = lw. A certain rectangle has an area of x2 + 7x + 12. Factor the trinomial to find the length and width of the rectangle. In the form of a paragraph, describe the process necessary

    asked by chelsea
  39. math

    The diagram uses a scale of 1/4in:30ft. Explain hoe to use the scale and scale drawing to find actual soccer field dimensions. Is the correct answer 1in.:120ft

    asked by Amanda
  40. history..maths litercy..geography..life science..isizulu..life orentation..

    im doing grade 11 and next year im doing grade12 so my question is that i want to be a boilermaker and i want to work in sasol so i don't know if this sbject is right to do boilermaker if you have any information please contact me on 0736124260 or

    asked by gift skhanyiso vilakazi
  41. research proposal

    Hey I'm doing my research proposal for graduation I have 2 questions Q1. What should it inude exactly? I mean the headlines/ content) Q2. For the literature review, after dining articles what should I summarize/use from them? (Introducton, methodology or

    asked by lina
  42. Math

    To make an international telephone call , you need the code for the country you are calling . The codes for country A,B and C are three consecutive integers whose sum is 105. Find the code for each country .

    asked by Anonymous
  43. Chemestry

    determine the volume of a sample of plastic if the mass is 3.00g and the density is 1.24g/cm^3

    asked by Ashlee
  44. Chemistry

    How many moles of atoms are contained in 5.60 grams of Sulfur? Can someone help me understand how to work out other problems like these as well? Thank you!!

    asked by Ellie
  45. Business Math

    What will be the total deduction for social security and Medicare taxes on Juanita's next weekly paycheck of $720 if she has already earned $10,800 this year? Social Security tax is 6.2% of wages up to $106,800. Medicare tax is 1.45% of all wages.

    asked by Dena
  46. chemistry

    what wil be the molarity if it increases from 20 c to 100 c?

    asked by amigo
  47. Alg1

    Given 4√50 - 2√8 observe that √50 =√25*2 and √8=√4*2 and that 25 and 4 are perfect squares, so I simplify the expression to 100√2 - 8√2 I can then combine these terms to get 92√2 which is my answer. A.the student erroneously attempted to

    asked by juggalettefolife
  48. English

    What type of sentence is this? (simple, complex, compound, compound-complex) 1. It looms menacingly over the road from the roof of a farmhouse, a lying reptile with a seven-foot wingspan. I think it is a simple sentence.

    asked by Jim
  49. English

    What does the part, "beating like a pair of brass cymbals" constitute? On windy days, you can hear its wings beating like a pair of brass cymbals. I think it is a participial phrase.

    asked by Jim
  50. English

    There are no pterodactyls in Ramirez’s front yard, but there are a mother dolphin, her baby, and two sheep. There’s a Don Quixote on his horse, aiming his lance at a windmill. There’s a space alien emerging from a flying saucer and an abstract

    asked by Jim
  51. English

    “Well that’s sculpture, making a ’74 Toyota look like a ’63 Corvette, only I didn’t think of it that way... I was doing good work, and I was making good money. A. to prepare the reader for a change in topic. B. to show Ramirez’s pride in

    asked by Jim
  52. English

    I’d done a car for one of her patients, who told her about me.” Which of the following describes the underlined words in this sentence? A. a nominal clause B. an adjectival clause C. an infinitive phrase D. a gerund phrase I chose B, the adjectival

    asked by Jim
  53. chemistry

    does any solid pbcl2 form when 3.5mgNacl is dissolved in 0.250L of 0.12M of lead nitrate?

    asked by Anonymous
  54. impact of energy use

    1. Fossil fuels are (1 point) • a natural resource. i pick this one • renewable. • made from minerals. •burned in hydroelectric plants. 2. Which of the following is a consequence of using fossil fuels as an energy source? (1 point) •decreased

    asked by cece
  55. math

    A ball is thrown into the air with an upword velocity of 36 ft/s. Its hight H in feet after t seconds is given by the function h=-16t^2+36t+9. In how many seconds does the ball reach its maximum height? Round to the nearest hundredth if necessary. What is

    asked by please help
  56. Chemistry Problem

    Diiodine pentafluoride reacts spectacularly with bromine trifluoride to form iodine pentafluoride, oxygen gas, and liquid bromine. In a particular reaction a 44.00g sample of I2O5 reacts with 58.00g BrF3. What is the mass of the excess reagent? This is

    asked by nns40760
  57. math help

    multiply -P(P-Q+5)

    asked by kennedy
  58. Math help

    multiply -(-5-p)(5+p)

    asked by kennedy
  59. Health

    Since the 2000’s, the percent of people reporting driving under the influence of alcohol has remained A. over 20% B. equal to 20% C. less than 20% D. unknown. It hasn't been surveyed D?

    asked by Night
  60. Physics

    A cannon barrel is elevated at an angle of 45°. It fires a ball with a speed of 250 m/s. (For the following questions, ignore air resistance.) (a) What height does the ball reach? m (b) How long is the ball in the air? s (c) What is the horizontal range

    asked by Anonymous
  61. calc

    Evaluate the surface integral. double integral ydS S is the part of the paraboloid y = x2 + z2 that lies inside the cylinder x2 + z2 = 1

    asked by rebecca
  62. art

    Which of the following best describes an Italian Baroque characteristic of Gianlorenzo Bernini's Fountain of the Four Rivers? The fountain served as a public emblem of the Catholic Church's dominanc by bringing clean drinking water to the people. an

    asked by 2phoneeeeee
  63. Physics

    An ultrasound pulse from a boat is directed at the sea floor. Ultrasound travels at 1400 m/s. The pulse take 0.5 seconds to return to the boat. What is the depth of the sea in this area?

    asked by Tas
  64. Physics

    A plastic bag is filled with nitrogen at atmospheric pressure and 22.0 oC. Assume that the mass of the bag is negligible and take the temperature of the outside air to be 0 oC. With the help of this "balloon" we want to lift a 50.0 kg girl off her feet.

    asked by Anonymous
  65. precal Arithmetic progression

    The fifth term of an arithmetic series is 12 and the eighth term is 3. Find the sum of the first 6 terms and also of the first 11 terms. T5=a+4d=12 T8=a+7d=3 -3d=9 d=-3

    asked by Jelon
  66. Science one question!

    Explain how gravitational, electrical and magnetic force act on a maglev train? I just need help on magnetic thanks!

    asked by Sandy
  67. Chemistry

    The molar mass of glucose is 180.16g/mol A. How much glucose is needed to make 500 ml of a .44M (.44mol/1L) solution? .44M/L=180.16x.44/100ml=79.27/1000=.07927x500=39.64g/mol/550ml? B What volume of the .44M solution is needed to prepare 1L of a 5% glucose

    asked by Amanda
  68. Computers

    You have purchased an Apple desktop computer and want to set it up so that you can access your computer desktop when you are on the road. How might you do this?

    asked by MeME
  69. Management

    which reason total earning of emoloyees decrease. while who worked more efficiently

    asked by fatima
  70. Physics

    A 284 kg crate is pulled along a level surface by an engine. The coefficient of kinetic friction between the crate and the surface is 0.513. How much power must the engine deliver to move the crate at a constant speed of 7.2 m/s?

    asked by Unknown
  71. Health

    Someone who smokes marijuana every day may be functioning at a ________ intellectual level all of the time. A. Suboptimal B. Optimal C. Neither optimal or suboptimal D. None of the above C?

    asked by Night
  72. Chemistry

    A reaction requires 0.5 g of pure methyl oleate (density = 0.87g/mL) (MW = 310g/mol). How many mL of 70% pure methyl oleate are needed for the reaction. I don't exactly know how to start this off. I think what I'm supposed to do is multiply the 70% by the

    asked by Anthony
  73. Finance

    3. Given the following information for Janicek Power Co., find the WACC. Assume the company’s tax rate is 35%. Debt: 8,500 7.2% coupon bonds outstanding, $1000 par value, 25 years to maturity, selling for 118% of par; the bonds make semiannual payments

    asked by Jessica
  74. Physics

    A box of mass 10.9 kg with an initial velocity of 2.01 m/s slides down a plane, inclined at 38◦ with respect to the horizontal. The coefficient of kinetic friction is 1. The box stops after sliding a distance x. The acceleration due to gravity is 9.8

    asked by Unknown
  75. ART

    Which statement best describes the difference between Rococo and Naturalist subject matter? Rococo artists painted religious images, Naturalist artists painted images of French Royalty. Rococo artists painted political figures, Naturalist artists painted

    asked by 2phoneeeeee
  76. Africa

    true or false Some people in northern Chad are nomadic and raise camels and plant crops in oases due to lack of arable soil.

    asked by Immanuel
  77. Business Math

    On May 1, 2004 the Jones Company received a bank statement that showed a $2,950 balance. Mr. Jones showed a $4,010 checking account balance. The bank did not return check No. 124 for $1080 and check No. 138 for $720. A $3,200 deposit made on April 30 was

    asked by Jeffrey W
  78. history

    the huguenots were

    asked by james
  79. Math

    How to solve for y? x = (3y + 1)/6

    asked by Anonymous
  80. Business Math

    An invoice dated February 9 in the amount of $45,000 is received by Reliance Corporation on February 13. Cash discount terms on the invoice are 2/10, n/30. On February 18, Reliance pays in the amount of $9,000 as a partial payment on the invoice. What is

    asked by Jeffrey W
  81. Business Math

    Mel’s furniture received an invoice dated September 27 for five bedroom sets at $3,000 each. The invoice indicated a trade discount of 5/8/3. The seller of the furniture prepaid the freight of $200. Terms were 2/10 FOB. Assuming Mel pays on October 2,

    asked by Jeffrey W
  82. Business Math

    Jones Manufacturing sent Blue Company an invoice for equipment with a list price of $10,000. The invoice is dated July 27 with terms of 2/10, EOM. Blue Company is entitled to a 40% trade discount. If the invoice is paid on September 5, how much does Blue

    asked by Jeffrey W
  83. Business Math

    A manufacturer of ice skates offered a chain discount of 7/5/1. Bobby’s Sport Shop ordered 30 pairs of skates that had a list price of $925. What was the amount Bobby had to pay for the goods?

    asked by Jeffrey W
  84. Business Math

    Smith of Victorville sold office equipment for $12,500 to Frank of Barstow. Terms of the sale are 2/10, n/30 FOB Victorville. Assume Frank pays within the discount period. How much will Frank pay?

    asked by Jeffrey W
  85. Chemistry

    26.98 grams of Al and 35.45 grams of Cl2 are reacted according to the equation 2Al + 3Cl2 → 2AlCl3 How many grams of AlCl3 will be formed assuming 100% yield? it says the answer is supposed to be 26.98g but cannot seem to reach that. I just want to know

    asked by Mary
  86. Physics

    Two blocks with masses m1 = 1.20 kg and m2 = 2.90 kg are connected by a massless string, as shown in the Figure. They are released from rest. The coefficent of kinetic friction between the upper block and the surface is 0.300. Assume that the pulley has a

    asked by Anonymous
  87. Physics

    A proposed space station includes living quarters in a circular ring 50.5 m in diameter. At what angular speed should the ring rotate so the occupants feel that they have the same weight as they do on Earth?

    asked by Anonymous
  88. Chemistry

    carbon dioxide has a henrys law constant of 3.4E-2 mol/l*atm what is the molar concentration of CO2 in water if the partial pressure of CO2 in air is .000387. i know i have to use S=Kh*P but that gives you soluability where do i go from here to find molar

    asked by John
  89. math help!

    Hi! How may you check 2+3w=12+2w to equal each other and check out equal

    asked by Maxine
  90. calc

    I have asked a couple questions about surface integrals but I was not able to fully understand what the person who answered was saying and/or their answer was not correct. If someone could please help me with this problem that would be great! evaluate the

    asked by rebecca
  91. science

    after a rock layer is eroded, whick additional event must occur to create and unconformity, or a gap , in the geologic record

    asked by Anonymous
  92. science

    Sarah wants to use a model to get an idea of how far away the stars are. She uses a marble to represent the Earth, and she places a basketball 1 m away to represent the Sun, which is the nearest star. If Sarah wishes to keep the distances between objects

    asked by lisa
  93. chemistry

    The half-life of I-131 is 8.00 days. If a medical treatment involves a dose of 400. mg of I-131, how much of the isotope remains after 48 days? 3.125 mg 6.25 mg 12.5 mg 25 mg

    asked by Tamera
  94. Physics

    A catapult on a cliff launches a large round rock towards a ship on the ocean below. The rock leaves the catapult from a height H of 32.0 m above sea level, directed at an angle θ above the horizontal with an unknown speed v0. The projectile remains in

    asked by Anonymous
  95. physics

    A plastic bag is filled with nitrogen at atmospheric pressure and 22.0 oC. Assume that the mass of the bag is negligible and take the temperature of the outside air to be 0 oC. With the help of this "balloon" we want to lift a 50.0 kg girl off her feet.

    asked by Anonymous
  96. Chemistry

    Barium-122 has a half-life of 2 minutes. If 10.0 g of Ba-122 are produced in a nuclear reactor how much Ba-122 will remain 10 minutes after production ceases? Question 11 options: 2.50 g 1.25 g 0.625 g 0.313 g

    asked by Tamera
  97. Statistics

    At one college, GPA’s are normally distributed with a mean of 2.9 and a standard deviation of 0.6. Find the 70th percentile.

    asked by justice
  98. Math

    2% of what number is 400?

    asked by Amy
  99. Math

    A florist has 40 tulips, 32 roses, 60 daisies, and 50 petunias. What is the ratio of petunias to tulips, in simplest form?

    asked by Amy
  100. Math Pre-Algebra

    Find the quotient -16/0?

    asked by Lisa Aul
  101. Pre-calc/Trignometry

    Two boats leave at an angle of 25 pie/36 radians, one has a speed of 100km/hr and the second has a speed of 65 km/hr. How far apart are they after two hours?

    asked by Ben
  102. chemistry

    What is the pressure of 5 pounds of Argon gas in a 25 liter bottle at 23 degrees Celsius?

    asked by lasha
  103. chemistry

    A piece of an aluminum can was cut into small pieces. Then 0.422 g of the chips from the can was used to prepare potassium alum according to the procedure we used. Calculate the theoretical yield (in g) of potassium alum that could be obtained in the

    asked by Jim
  104. Math

    Chef has 25 pounds of strip loin. Trim loss on strip loin is 35% and the cooking loss is 80% of the trimmed weight. How many pounds of trimmed, cooked strip loin will the chef have left to serve to his customers?

    asked by Anonymous
  105. Statistics

    The lifetimes of projector bulbs of a particular type are normally distributed with a mean of 470 hours and a standard deviation of 15 hours. What percentage of the bulbs has lifetimes that lie within 2 standard deviations of the mean on either side?

    asked by justice
  106. Math

    What are the steps in how to divide fractions? Give an example!

    asked by Ariana
  107. ashworth college

    The amount of Jen’s monthly phone bill is normally distributed with a mean of $50 and a standard deviation of $10. Find the 25th percentile

    asked by justice
  108. English

    In the sentence Have you ridden the fastest roller coaster at the amusement park. Is the verb thence past perfect?

    asked by Kelley
  109. HSM 260

    What is "break-even analysis"? What is decrease/discontinue? How are they related to differential cost analysis?

    asked by Mechelle
  110. mathematics of investment

    Accumulate 3,200 for 2 years and 6 months at 5 1/2% simple discount.

    asked by joan
  111. Math

    an object is thrown upward from a height of 70 feet. t second after it is released, the object is h=-16t^2+40t+70 feet above the ground. how many seconds does it take until the object hits the ground?

    asked by Hayley
  112. physics

    The mass of a pendulum moves a total horizontal distance of 14cm in one cycle. What is the amplitude of the vibration?

    asked by kai
  113. Math

    Can (6x - 1)/3 be simplified as 2x - 1/3?

    asked by Anonymous
  114. Social studies

    Why did: George Childress, Lorenzo de zavala, James fanin, Sam Houston, Antonio Lopez de Santa Anna, Juan N. Sequin, and William B. Travis come to Texas???? What role did each of them play during the Texas revolution?? How did each of them contribution to

    asked by Suzy
  115. Maths

    In a class of 40 boys, 18 passed Business Mathematics, 19 passed Accounts, 10 passed Economics, 6 passed Accounts only, 5 passed Business Mathematics and Accounts only, 2 Passed Accounts and Economics only. How many passed in all three papers.

    asked by Dickson
  116. math

    pete had 12 peanuts. he gave bill 1/3. how many does bill have

    asked by kisha
  117. literature

    how is Juliets death similar to Lady Macbeths death with quotes

    asked by Rais
  118. Chemistry

    For which of these elements would the first ionization energy of the atom be higher than that of the diatomic molecule? helium oxygen carbon lithium Please explain why and thanks

    asked by anna
  119. Child care

    Which of the following agencies or organizations does not grant certifications?

    asked by Lako
  120. math

    Todd has a board that is 6 ft. 3in. He needs to cut it to 4 ft. 9 in. How much should he cut off?

    asked by summer
  121. math

    Glenda ran 1,500 m in4 min 10 sec. How many meters is this per second?

    asked by Angela
  122. English

    who's more powerful- Juliet Capulet or Lady Macbeth I need some quotes too

    asked by Anonymous
  123. Honors Chem

    If I make an ice pack with 750 mL of water, what mass of ammonium chloride must I include to get the temperature to drop from 20 degrees celsius to 5 degrees celsius. The heat of solution of the water and ammonium chloride is 14.8 kJ/mole. I just need help

    asked by Ella
  124. math- help

    if steak costs $2.29 per lb. how much does 0.8 lb. cost? my answer: either $1.12 or $0.112 pls help

    asked by john Dosley
  125. Math

    Meagan is sitting in a rocking chair, the distance d(t-) between the wall and the rear of the chair varies sinusoidally with time t. At t = 1s , the chair is closest to the wall and d(1) = 18 cm. At t = 1.75s the chair is farthest from the wall and d(1.75

    asked by Aqsa
  126. chem please help drbob222

    why can't gravimetric analysis be used to determine the concentration of sodium nitrate (NaNO) in a solution? I think the answer is because NaNO dissolves in water. Am I correct

    asked by Morgan
  127. biology

    phase in photosynthesis during which the energy in sunlight is trapped and converted into ATP and NADPH I need the term for this and cannot find it anywhere. Thanks!

    asked by Cassandra
  128. French

    Whats the partitive article for Je n'ai pas gateau?

    asked by Vicky
  129. math

    Shane takes a big cube of butter with side length x from the fridge. He then cuts out a little cube of side length y from one of the corners of the cube. Write an expression that describes the remaining volume of butter.

    asked by sarah
  130. math

    Ken uses 6 apples and 2 bananas to make a fruit salad. He puts twice as many oranges as bananas in the salad. How many pieces of fruit will Ken use to make 2 fruit salads?

    asked by Mimi
  131. chem please help drbob222

    Why is it important in gravimetric analysis to add an excess amount of precipitating ions to a solution containing an analyte

    asked by Morgan
  132. Chemistry

    The aquation of tris(1,10-phenanthroline)iron(II) in acid solution takes place according to the equation: Fe(phen)32++ 3 H3O++ 3 H2O →Fe(H2O)62++ 3 phenH+. If the activation energy, Ea, is 126 kJ/mol and the rate constant at 30°C is 9.8 × 10-3 min-1,

    asked by Derek
  133. Math

    To solve this problem, use the Pythagorean Theorem to find the third side. Cos=5/7

    asked by Laya
  134. Chemistry

    The equilibrium constant, Kp, equals 3.40 for the isomerization reaction: cis-2-butene trans-2-butene. If a flask initially contains 0.250 atm of cis-2-butene and 0.145 atm of trans-2-butene, what is the equilibrium pressure of each gas?

    asked by Bob
  135. Language Arts

    1.Which of the following will you most likely find in a historical novel such as Johnny Tremain? A. A setting in pre-Revolutionary town such as Boston.*** B. Mythical chractars such as Johnny Appleseed. C. Opinions of modern-day historians and political

    asked by Callie
  136. Earth Science

    Which of the following statements correctly describes the asthenosphere? 1- it is thin cold and rigid layer 2- it is the source of the earth's heat 3- it permits plate motion 4- it occurs only near subduction zones My answer is 1

    asked by Steve
  137. Chemistry

    Kc is 1.67 × 1020 at 25°C for the formation of iron(III) oxalate complex ion: Fe3+(aq) + 3 C2O42-(aq) [Fe(C2O4)3]3-(aq). If 0.0200 M Fe3+ is initially mixed with 1.00 M oxalate ion, what is the concentration of Fe3+ ion at equilibrium?

    asked by Bob
  138. math

    what is the answer to the famous farming exression, from creative publications pre-algebra with pizzaz

    asked by Mia
  139. Elementary Alegebra

    jon's age is 120% of Sara's age. If their age difference is 5 years, how old are jon and sara?

    asked by Nae
  140. history

    How did the question of slavery cause growing tensions before the Civil War? (Choose all that apply.) (3 points) A. Northern states were beginning to see the value of slavery.*** B. Slave states did not want to give up their way of life. C. The annexation

    asked by HELP MEEEEE
  141. Chemistry

    Calculate the solubility (in g/L) of calcium fluoride in water at 25°C if the Ksp for is 1.5 × 10-10 .

    asked by Robert
  142. Chemistry

    Consider the following reaction, equilibrium concentrations, and equilibrium constant at a particular temperature. Determine the equilibrium concentration of H2O(g). C2H4(g) + H2O(g) C2H5OH(g) Kc = 9.0 × 103 [C2H4]eq = 0.015 M [C2H5OH]eq = 1.69 M

    asked by Jane
  143. Managerial Economics

    Problem 1 (50 points) The city of San Diego is considering extending the trolley (the downtown mass transit train) 11 miles from Old Town up to La Jolla. The cost of construction would be $1.7 billion. The estimated ridership along the new section is 18

    asked by EJ
  144. cal

    The demand function for a certain make of replacement cartridges for a water purifier is given by the following equation where p is the unit price in dollars and x is the quantity demanded each week, measured in units of a thousand. p = -0.01x^2 - 0.3x +

    asked by jane
  145. calc

    The demand function for a certain make of replacement cartridges for a water purifier is given by the following equation where p is the unit price in dollars and x is the quantity demanded each week, measured in units of a thousand. p = -0.01x^2 - 0.3x +

    asked by jane
  146. physics

    A man weighs 750.0 N on Earth at what altitude will he weigh 187.5 N?

    asked by moooose
  147. English - Very urgent

    How does pearls represent hope?

    asked by Thi.
  148. math

    There are 17 goats in the barn. 8 goats go outside. How many are still in the barn? Use ten frames show work

    asked by Giselle
  149. Chemistry

    The concentration of fluoride ions in a saturated solution of barium fluoride is __________ M. The solubility product constant of BaF2 is ???

    asked by Jane
  150. math

    Jen spent 1 1/2 hours working on ms thomkin car on Monday. She spent 2 3/4 more hours on Tuesday to finish the tune up. How many more hours in all did she work on ms thommin car is the answer 4 1/2 hours

    asked by anoymous
  151. Science

    make a paragraph about your favorite thing about winter? someone please help

    asked by science
  152. math Calc

    The management of the Titan Tire Company has determined that the quantity demanded x of their Super Titan tires/week is related to the unit price p by the relation p = 172 − x^2 where p is measured in dollars and x is measured in units of a thousand.

    asked by jane
  153. history

    What was the significance of the Mexican-American War? ( choose all that apply.) (2 points) A. Land ceded as a result of the war helped complete U.S. continental expansion B. Mexicans were often sold as slaves accelerating the slavery debate. *** C. New

    asked by HELP MEEEEE
  154. ap calc

    The U.S. post office has a limit on the size of packages it will accept for mailing. the length plus the girth (distance around the middle) must be 84 inches or less. find the dimensions of the rectangular package with a square end, which will maximize the

    asked by Anonymous
  155. ELA

    Athena asks Zeus "will you save a man whom the fates appoint to die?" How does this question relate to the overall theme in the iliad? SOOOOO CONFUSED Please help - Thank You

    asked by Kyle
  156. physics

    Joyce and Efua are skating. Joyce pushes Efua, whose mass is 40.0 kg, with a force of 5.0 N. What is Efua's Resulting acceleration?

    asked by bleh
  157. Anatomy and Phys

    Muscle spindles are supplied by: A. Alpha motor neuron B. Beta motor neuron C. Gamma motor neuron D. Extrafusal motor neuron E. None of the above

    asked by Sarah
  158. trig

    a ship starts from port at a bearing of South 32 degrees East. It travels 8 miles in this direction before turning to a bearing of North 14 degrees East. It travels 15 miles in this direction, before finally turning to a bearing of South 72 degrees East

    asked by adam
  159. math

    Marissa worked 7 1/4 hours on Monday. She worked 9 3/4 hours on tuesday, how many hours did she work in all on monday and tuesday, is the answer 15 1/4 hours

    asked by anoymous
  160. physics

    Two blocks with masses m1 = 1.20 kg and m2 = 2.90 kg are connected by a massless string, as shown in the Figure. They are released from rest. The coefficent of kinetic friction between the upper block and the surface is 0.300. Assume that the pulley has a

    asked by Anonymous
  161. algebra

    The Fan cost Index(Fci)represents the cost of four average-price tickets, refreshments, and souvenirs to a sporting event. The FCIs for an Independent tennis league and an Independent basketball league totaled $123.62. The basketball FCI was $$6.98 more

    asked by Ernie
  162. Statistics

    Four pairs of data yield r=0.942 and the regression equation y-hat=3x. Also, y-bar=12.75. What is the best predicted value for x=4.3? I know that the answer is 12.5, but how do you know to use the y-bar value instead of plugging the x value into the

    asked by Stella
  163. Physics

    A plastic bag is filled with nitrogen at atmospheric pressure and 22.0 oC. Assume that the mass of the bag is negligible and take the temperature of the outside air to be 0 oC. With the help of this "balloon" we want to lift a 50.0 kg girl off her feet.

    asked by Anonymous
  164. Math

    Find the possible values of b,h and l for a triangular prism with volume 21 cubic meters. How many ways can you do this? Sketch a diagram of one possible prism.

    asked by Anonymous
  165. Algebra

    The fuel efficiency for a certain midsize car is given by E(v) = −0.017v^ + 1.462v + 3.5 where E(v)is the fuel efficiency in miles per gallon for a car traveling v miles per hour. (a) What speed will yield the maximum fuel efficiency? Round to the

    asked by Anonymous
  166. Math (Answer ASAP)

    To solve this problem, use the Pythagorean Theorem to find the third side. Cos=5/7

    asked by Laya
  167. mAth

    The auto repair shop is 1 3/10 miles from the bank. The bank is 3 3/5 miles from gina home. After she left her car at the shop gina walk to the bank. Then she walked home. How far did gina walk in all. Is the answer 5 miles

    asked by anoymous
  168. Math

    I am 2 digit number The difference between them is less then 1 The sum of them is a multiple of 9 The second digit is a factor of 27 What number am I ?

    asked by Alex
  169. Chemistry

    What volume of oxygen gas at 20.9 c and 750 torr is needed to burn 3.00 liters of propane, C3H8 at the same temprrature and pressure? I know i use V1/n1=V2/n2, but how do i get n?

    asked by Anonymous
  170. Math

    Paul lands a home mortgage of $58,200 at a 7.40% interest rate. He plans to pay this after 3 years . What will the total principle be?

    asked by Lubna
  171. math

    If a building contractor hires 5 day laborers and 2 concrete finishers, his payroll for the day is $1200. If he hires i day laborer and 4 concrete finishers, his daily cost is $924. Find the daily wage for each type of worker.

    asked by Ernie
  172. geometry

    A rectangle has a side whose length is 5 and a diagonal whose length is √74. What is the area of the rectangle?

    asked by shannon
  173. Calc

    Rope and wire are arranged in the shape of a rectangle. Two parallel sides of the rectangle are made from the rope which costs $2.00 per foot. The other two sides are made from the wire which costs $3.00 per foot. Find the dimensions of the rectangle

    asked by Robot
  174. science

    how many seconds would it takes a boat to accelerate from 13m/s to 20m/s over a distance of 1.25 km ?

    asked by neljoy
  175. Science Help!!!!

    What form of pollution, if any, does energy source cause? My answer Air pollution?

    asked by callie
  176. Math

    How many people can eat 2 pizzas

    asked by Michael
  177. Science

    Scorpius is one of the oldest constellations known - possibly even one of the original six signs of the zodiac. The constellation was once much larger, but the western portion representing the claws of the scorpion was given to Libra. Is this considered

    asked by Thi.
  178. calculus 2

    Find all points of intersection of the given curves. (Assume 0 ≤ θ ≤ 2π. Order your answers from smallest to largest θ. If an intersection occurs at the pole, enter POLE in the first answer blank.) r = 1 − cos θ, r = 1 + sin θ

    asked by Linda
  179. math

    marty ate 4/6 of his pizza and luis ate 5/6 of his pizza..marty ate more pizza than luis how is that possible

    asked by Anonymous
  180. world history

    I really don't get this question ''without the english Civil war, democracy would never have developed.''make a case for or against this statement. give evidence to support your case. I really don't know how to do this

    asked by Anonymous
  181. Math

    A manager at a concert venue is looking at the profits earned from the sale of tickets to an event. The manager wants to determine the amount of profits made based on a predicted number of tickets sold for the event. Assuming the profit per ticket is

    asked by Angela
  182. nassau

    Mel took out a loan of $40,000 at 14 percent on March 16, 2007 which is due on January 15, 2008. Using exact interest, the amount of Mel's interest cost is:

    asked by maninder
  183. algebra

    The Fan cost Index(Fci)represents the cost of four average-price tickets, refreshments, and souvenirs to a sporting event. The FCIs for an Independent tennis league and an Independent basketball league totaled $123.62. The basketball FCI was $$6.98 more

    asked by Ernie
  184. English

    What character trait do you think this quote shows of the narrator in Annabel Lee? The angels, not half so happy in Heaven, Went envying her and me— Yes!—that was the reason (as all men know, In this kingdom by the sea)

    asked by Jessica
  185. CALCULUS - PLEASE HELP!

    It is known that homing pigeons tend to avoid flying over the water in the daytime, perhaps because the downdrafts of air over water make flying difficult. Suppose a homing pigeon is released on an island at point C , which is 3 km directly out in the

    asked by Mary
  186. Calculas

    A 13ft ladder is placed against a verticle wall. Suppose the bottom of the ladder slides away from the wall at a constant rate of 2 feet per second. How fast is the top of the ladder sliding down the wall (negitive rate) when the bottom is 5ft from the

    asked by jessica
  187. Math

    0.8(4+-a)=5.6a how to check this so the answers both equal out?

    asked by Maxine
  188. Helathcare Marketing

    2. Explain the vertical integration options and directions for the following providers:

    asked by Anonymous
  189. Chemistry

    What is the solubility of CaF2 in a buffer solution containing 0.45M formic acid and 0.20M sodium formate? Given: Ka for formic acid=1.7x10^-4 Ka for hydrofluoric acid=6.8x10^-4 Ksp for CaF2=3.4x10^-11 Thank you so much. I don't have much idea on this.I

    asked by Tina
  190. THEOLOGY 10 HELP!!

    What aspects of Jesus' identity and mission do YOU find most challenging? This is not for me to ask. I'll really appreciate if you answer my question. REMEMBER this is for YOU to answer.

    asked by Sarah
  191. Chemistry

    under standard conditions, the following reaction is spontaneous at 298K. O2 + 4H+ + 4Br- --> 2H2O + 2 Br2 Will the reaction be spontaneous if the PH value is adjusted using a buffer composed of 0.10 M benzoic acid and 0.12M sodium benzoate? Given:Given:

    asked by Tina
  192. chemistry-URGENT

    how many moles of atoms are contained in 7.654 x 10^32 atoms of Ga ? Thank you!

    asked by Ellie
  193. math

    A bit is one eighth of a dollar how many cents is 6 bits? My answer is 6 cents? I don't think I am right.

    asked by bubbles
  194. math

    An oil-drilling company knows that it costs $25,000 to sink a test well. If oil is hit, the income for the drilling company will be $405,000. If only natural gas is hit, the income will be $125,000. If nothing is hit, there will be no income. If the

    asked by libby
  195. math

    The Fan cost Index(Fci)represents the cost of four average-price tickets, refreshments, and souvenirs to a sporting event. The FCIs for an Independent tennis league and an Independent basketball league totaled $123.62. The basketball FCI was $$6.98 more

    asked by Ernie
  196. math

    Give the probability in decimal form (correct to two decimal places). A calculator may be helpful. Last semester, a certain professor gave 15 As out of 396 grades. If one of the professor's students from last semester were selected randomly, what is the

    asked by libby
  197. English

    How would you describe someone who keeps blaming someone or something for something tragic and believes that person was responsible for that tragedy without no actual proof and that everybody else knows for a fact that the person is responsible?

    asked by Jessica
  198. English

    Three-fourths of the people were against the plan. ------------------- It's hard to pronounce 'fourths.' How do you pronounce 'fourths' in normal speech?

    asked by rfvv
  199. math

    help: Two travelers start simultaneously in two cities A and B, and go to meet each other. The part of A walk 1 km on the first day , the second day 2 km , 3 km on the third day , and so on. The part of B walk 20 miles the first day, the second day 18 km ,

    asked by Daniel
  200. math

    (1.1)+1.23+ 16 squared+ 0.5= ???

    asked by bubbles
  201. biology

    To find out which key will open a lock, you try several until one works. This kind of learning is called ________________________.

    asked by ciara
  202. chem(REALLY NEED HELP )

    calculate the total mass of carbon dioxide gas produced when you burn 1000ml of gasoline Density of heptane = 0.684g/ml density of octane =0.703g/ml a) Calculate the mass of carbon dioxide produced from combustion of heptane C7H16 + O2 ------- CO2 + H2O

    asked by christie
  203. English

    About reading 1/2 a half one half a-half one-half a second one second a-second one-second --------------- Which one is right?

    asked by rfvv
  204. English

    12/234 1. twelve over two hundred twenty-four ---------------- Is it right? ============= 12/34 1. twelve over thirty-four 2. twelve-thirty-fourths 3. twelve thirty-fourths --------- Which one is right?

    asked by rfvv
  205. Physics

    Quick question because i am trying to complete a lab report. How can i find the linear tangential acceleration of a wheel as it is turned by two hanging masses by using Newton's Second Law and the equation ΣT=Iα?

    asked by Dib
  206. physics

    how do you solve 3x^4 + 11x^3=4x^2

    asked by john
  207. Literature - link to story pls help!??

    hi, sorry not a question but i am in a bad position. i have to send in stuff about this story before tomorrow but i have misplaced my book. Its called "the Destructors" i don't know by who. It's for literature and it's probably a short story or something.

    asked by SkatingDJ
  208. Statistics

    Assume that a procedure yields a binomial distribution with n=3 trials and a probability of success of p= 0.90. Use a binomial probability table to find the probability that the number of successes x is exactly 1.

    asked by Angel
  209. algebra

    how do you solve polynomial equation by factoring 3x^4 + 11x^3 = 4x^2

    asked by john
  210. MLA style essay

    I have to write an Etymology essay for any word in MLA Style. How do i do this? I know MLA style. But how do i write a 500 word etymology essay

    asked by HAQUE
  211. physics

    a proton is projected perpendicularly into a magntic field that has a magnitude of 0.05T. the field is then adjusted so that an electron will follow a circular path of the same radius when it is projected perpendicularly

    asked by talemi
  212. calculas

    A man 5.00 ft tall approaches a street light 17.0ft above the ground at the rate of 4.00 ft/s. How fast is the end of the man's shadow moving when he is 9.0 ft from the base of the light? The end of the man's shadow is moving at a rate of_ft/s

    asked by jessica
  213. math

    JT has 132 tokens. He gives kay 1/8 of his tokens. He gives Charlie 3/4 of his tokens and he keeps the rest. How many tokens does each person get?

    asked by Sarah
  214. Math - Probability

    19. On the 24th of December for the past 10 years it has snowed eight times. What is the chance for snow this next December 24? 20. Congressman X is up for his 6th term. Thus far in five elections he has won by 58,56,62,70, and 54 percent. On this basis of

    asked by Sarah
  215. history

    During the 1920s, Women assumed new roles. List these roles; then choose one and describe in 5 – 10 sentences the impact of this new role in women’s lives.

    asked by Morgan
  216. Probability MATH

    can someone please check my answers. 7. A married couple is expecting another child. They already have 3 boys. What are the chances of them having another boy? 1/4 8. After having had the four boys the couple is expecting another child. What is the chance

    asked by Sarah
  217. Science

    How can I create a story of how my " constellation is formed? '' My teacher gave me this assignment. I have to create my own " Name" constellation, in this case its petasus because according to the chart I placed the dots down and it formed a hat. In

    asked by Thi.
  218. Calculas

    A man 6.5 ft tall approaches a street light 17.0ft above the ground at the rate of 8.00 ft/s. How fast is the end of the man's shadow moving when he is 5.0 ft from the base of the light? The end of the man's shadow is moving at a rate of_ft/s

    asked by jessica
  219. Chemistry

    When did these scientists make their contributions ? The years Democritus believes that the universe was made of tiny uncuttable particles. Heisenberg works with the Quantum Theory Chadwick finds the missing mass of the atoms nucleus Dalton's believes that

    asked by Jessica
  220. algebra

    what is the error in finding the sum? 3/10 + (-1/10) = 3+1/10 = 4/10 = 2/5 what is the correction?

    asked by Felicity
  221. algebra

    If a building contractor hires 5 day laborers and 2 concrete finishers, his payroll for the day is $1200. If he hires i day laborer and 4 concrete finishers, his daily cost is $924. Find the daily wage for each type of worker.

    asked by Ernie
  222. math(5th grade)

    Alyce and Julie were sitting by the pool eating lunch Alyce took out six sandwiches cut into quarters but dropped one whole sandwich and three quarters into the pool if alyce and Julie split the remaining sandwiches equally how many sandwiches would each

    asked by ary
  223. Chemistry

    Show how to calculate the molarity of 45 g of hcl in 1.5 L of water

    asked by ff
  224. physics

    An object of mass m has an elastic collision with another object initially at rest, and continues to move in original direction but with one-third its original speed. What is the mass of the other object in terms of m?

    asked by SR485
  225. math

    This exercise is about conditional probability. A jar contains five red balls numbered 1 to 5, and six green balls numbered 1 to 6. A ball is drawn at random from the jar. Find the following conditional probabilities. (Enter your probabilities as

    asked by deen
  226. Managerial Economics

    Since dry cleaning produces air pollution, a small town with two dry cleaning companies has decided to regulate the dry cleaning industry. The two dry cleaning companies, Company A and Company B, currently produce 350 units of air pollution, which the town

    asked by EJ
  227. Managerial Economics

    Two competing hospitals in small city can choose whether to offer only basic health care, all- purpose care, or specialized care. The following payoff table denotes profits for each hospital: Hospital B's Services Hospital A's Services Basic All-Purpose

    asked by EJ
  228. Physics Quick

    Quick question because i am trying to complete a lab report. How can i find the linear tangential acceleration of a wheel as it is turned by two hanging masses by using Newton's Second Law and the equation ΣT=Iα?

    asked by Dib
  229. physics

    A 0.80-m aluminium bar is held with its length parallel to the east-west direction and dropped from a bridge. Just before the bar hits the river below, its speed is 22 m/s, and the emf induced across its length is 5 X 10-4 V. Assuming the horizontal

    asked by talemi
  230. geology

    Convert these dates to BP dates (using 1950 as "the present.")1843 ± 50 years BC

    asked by ana
  231. Bus. Math

    325 x .0145= 325 x .062=

    asked by Dena
  232. Chemistry

    Show how to calculate the molarity of 45 g of hcl in 1.5 L of water 36.46g/mol/1.5=24.30726Mhcl

    asked by ff
  233. Maths

    in a class of 40 boys 18 passed business mathematics, 19 passed accounts, 10 passed economics, 6 passed accounts only, 5 passed business mathematics and accounts only, 2 passed accounts and economics only. how many passed in all three papers

    asked by Dickson
  234. MATH CALC

    A supplier of portable hair dryers will make x hundred units of hair dryers available in the market when the unit price is p = sqrt(49 + 4.4x) dollars. Determine the producers' surplus if the market price is set at $15/unit. (Round your answer to two

    asked by jane
  235. AP CALC. AB

    Let h be a function defined for all x≠0 such that h(4)=-3 and the derivative h is given by h'(x)=(x^2-2)/(x) for all x≠0 a). Find all values of x for which the graph of h has a horizontal tangent, and determine whether h has a local maximum, a local

    asked by Darcy
  236. MATH EMERGENCY I HAVE 10 MINUTES

    A supplier of portable hair dryers will make x hundred units of hair dryers available in the market when the unit price is p = sqrt(49 + 4.4x) dollars. Determine the producers' surplus if the market price is set at $15/unit. (Round your answer to two

    asked by jane