Questions Asked on
September 6, 2010

  1. Chemistry

    A small hole in the wing of a space shuttle requires a 12.8cm^2 patch. What is the patch's area in square kilometers (km^2)? if the patching material costs NASA 3.21/in^2, what is the cost of the patch?

    asked by Lanise
  2. Chemistry

    A 2.52g sample of a compound containing only carbon, hydrogen, nitrogen, oxygen, and sulfur was burned in excess O to yield 4.36g of CO2 and 0.892g of H20. Another sample of the same compound of mass 4.14g, yielded g of SO3. A third sample, of mass, 5.66g,

    asked by Christina
  3. geometry

    line JK bisects LM at point J. Find JM if LJ=23 centimeters.

    asked by samantha nicole
  4. chemistry

    A flask has a mass of 78.23 g when empty and 593.63 g when filled with water. When the same flask is filled with concentrated sulfuric acid, H2SO4, its mass is 1026.57 g. What is the density of concentrated sulfuric acid? (Assume water has a density of

    asked by Jack
  5. chemistry

    write the net ionic equation for the following : 2CuCl(aq)-> CuCl2(aq)+ Cu(s) 4NaCl(aq)+2H2SO4(aq)+MnO2(s)-> 2Na2SO4(aq)+2H2O(l)+Cl2(g) 3KOH(aq)+Fe(NO3)3(aq)->Fe(OH)3(s)+ 3KNO3(aq)

    asked by Joseph
  6. Physics

    Vector A is directed along the positive y-axis and has a magnitude of sqrt 3.0 units. Vector B is directed along the negative x-axis and has magnitude 1.0 units. What are the magnitude and direction of A + B?

    asked by Dakota
  7. Organic Chemistry

    Why does the loss of a proton from cyanic acid yield the same anion as that obtained by the loss of a proton from isocyanic acid?

    asked by Shell
  8. English Literature

    Question: Explain why Beowulf is an epic poem and why Beowulf is an epic hero This is what i have: Beowulf is a national epic or a long narrative poem. It involves a hero, Beowulf, who is larger than life. The poem concerns eternal serious human problems.

    asked by Brittany
  9. Physics

    A record for a marathon is 2.00h, 9.00min, 21.0 sec. If the average speed of a runner achieving this record is 5.436 m/s, what is the marathon distance? Answers: 15,878 km 7,761 km 42.2 km 26.2 km We're omnly two days into the new school year and I don't

    asked by JulieAnne
  10. Astronomy

    Venus orbits 0.72 AU from the sun. What is that distance in kilometers?

    asked by Meliset
  11. geometry+algebra

    If AD = 20 and AC = 3x + 4, find the value of x. Then find AC and DC

    asked by Michael
  12. Chemistry

    1. You have gone back in time and are working with Dalton on a table of relative masses. Following are his data: 0.602g gas A reacts with 0.295g gas B 0.172g gas B reacts with 0.401g gas C 0.320g gas A reacts with 0.374g gas C a) Assuming simplest formulas

    asked by samuel
  13. College English

    I have been pouring over this all day and would appreciate if someone could look this over for me with some good news... am I getting it? Gracias! >> represents my chosen answer. 1. Having studied small engine repair in night school, fixing the lawn mower

    asked by Corey
  14. physics

    The speed limit in a school zone is 38 km/h. A driver traveling at this speed sees a child run onto the road 16 m ahead of his car. He applies the brakes, and the car decelerates at a uniform rate of 8.5 m/s2. If the driver's reaction time is 0.55 s, What

    asked by emma
  15. Physics

    Sanding block weighs 2.0 N and is pushed with a force of 3.0 N at an angle of 30.0 degrees with respect to the vertical, and angled toward the wall. Moves straight up the wall at a constant speed. What is the coefficient of kinetic friction between the

    asked by Tammy
  16. college physical science

    how much would a 80.0kg person weigh on mars if the acceleration of gravity is 3.93m/s2

    asked by Richard
  17. Physics

    a plane has an airspeed of 200 mph. the pilot wants to reach a destination 600 miles east but a wind is blowing 50 mph 30 degrees North of East. What direction must the pilot head the plane in order to reach the destination? I asked my Lab T.A. and she

    asked by Alura
  18. Physics II

    A man weighs 0.80 kN on Earth. What is his mass in kilograms?

    asked by Dakota
  19. physics

    How much work does the electric field do in moving a proton from a point with a potential of +120 V to a point where it is -60 V? Express your answer in joules. I've looked through my notes, and I'm sure the answer is really easy, but I'm not seeing it. I

    asked by Morgan
  20. physics

    The 45-45-90 triangular prism shown in the figure has an index of refraction of 1.44, and is surrounded by air. A ray of light is incident on the left face at an angle of 46.0°. The point of incidence is high enough that the refracted ray hits the

    asked by RChanel
  21. algebra

    3 times the difference of 7 and d

    asked by mike
  22. physics

    A car starts from rest and travels for 4.9 s with a uniform acceleration of +1.8 m/s2. The driver then applies the brakes, causing a uniform acceleration of -1.7 m/s2. The breaks are applied for 1.50 s. 1) How fast is the car going at the end of the

    asked by Taylor
  23. World Studies

    What is the region of North America where the vikings landed?

    asked by Karen
  24. Math - Equations of plane(check)

    Consider the plane that contains points A(2,3,1), B(-11,1,2), C(-7,-3,-6). a) Find two vectors that are parallel to the plane. Ans: AC, BC or AB will be parallel to the plane. b) Find two vectors that are perpendicular to the plane. Ans: if i find the

    asked by Shaila
  25. physics

    A rocket is fired vertically up from the ground with a resultant vertical acceleration of (a) what is the maximum height reached? (b) After how much time from then will the maximum height be reached?(take g=10m/s2

    asked by sachin
  26. chemistry

    A sample of 7.83 grams of NaOH is dissolved into 620 mL of aqueous 0.250 M NaOH (as- sume no volume change). This solution is then poured into 1.67 gallons of water. (You may assume that the two volumes can be added.) What is the concentration of NaOH in

    asked by Anonymous
  27. Algebra 2

    The measures of an angle and its complement differ by 22 degrees. What are the measures of the angles?

    asked by Kathy
  28. physics

    A quarterback is asked to throw a football to a receiver that is 32.1 m away. What is the minimum speed that the football must have when it leaves the quarterback's hand? Ignore air resistance. Assume the ball is caught at the same height as it is thrown.

    asked by tommy
  29. physics

    The force exerted by the wind on the sails of a sailboat is 370 N north. The water exerts a force of 210 N east. If the boat (including its crew) has a mass of 270 kg, what are the magnitude and direction of its acceleration?

    asked by tommy
  30. STATISTICS

    PERFORM THE INDICATED CALCULATIONS 5P2/12P4

    asked by Anonymous
  31. chemistry

    the density of a certain aqueous solution is 1.17g/ml, and the solution is 3.57% by mass NaOH. how many mL of this solution would you need to use in order to prepare 100.0 mL of .150 M NaOH solution?

    asked by zahra
  32. physics

    a 650 lb box is hanging by means of two ropes attached to a ceiling as shown by diagram below find the tension on the ropes

    asked by catherine
  33. Biology

    In pine, both the staminate and ovulate cones occur on the same tree, but not on the same branch. The ovulate cones are usually at the top of the trees, so that pollen from their own tree will not fall onto and fertilize the eggs. Why would this be an

    asked by Anonymous
  34. math

    how many square yards of carpeting are needed for a room that measures 12.5 ft by 18.25 ft

    asked by Anonymous
  35. calculus

    Lim sin2h sin3h / h^2 h-->0 how would you do this ?? i got 6 as the answer, just want to make sure it's right. and i couldn't get this one (use theorem 2) lim tanx/x x-->0 and also this one (use squeeze theorem to evaluate the limit) lim (x-1)sin Pi/x-1

    asked by Jake
  36. Biology

    What is the advantage of producing single sex gametophytes (heterospory) and what is the advantage of producing a bisexual gametophyte (homospory)?

    asked by Candice
  37. English Literature

    Dicuss three examples of the Anglo-Saxon belief in fate as shown in beowulf.

    asked by Brittany
  38. physics

    A person looking out the window of a stationary train notices that raindrops are falling vertically down at a speed of 6.6 m/s relative to the ground. When the train moves at a constant velocity, the raindrops make an angle of θ = 36° when they move past

    asked by demi
  39. college physical science

    how much would a 80.0kg person weigh on earth where the acceleration of gravity is 1.63m/s2

    asked by Richard
  40. physics

    A car is traveling at 28 m/s when the driver spots a large pothole in the road a distance 37 m ahead. She immediately applies her brakes. If her acceleration is -7.8 m/s2, does she manage to stop before reaching the pothole? What is this stopping distance?

    asked by bill
  41. chemistry

    iron 3 oxide reacts with carbon monoxide according to the following equation: fe2O3+3Co-->2Fe+3Co2 a) how many moles of ions are produced when one mole of iron 3 oxide reacts b) calculate the volume of carbondioxide produced when one mole of iron 3

    asked by honeybee
  42. physics

    a kicker kicks a football from the 5 yard line to the 45 yd line ( on the same half of the field). Ignoring air resistance, where along the trajectory is the speed of the football a minimum. what formuls is used and show work a) at the 5 yd line, just

    asked by Alli
  43. chemistry

    The density of air is 1.25 gram per liter determine the volume percentage of oxygen in the air at 1 atmospheric pressure and 27 degree celcius temprature? Assume air is a mixture of nitrogen and oxygen.

    asked by Neha ghatia
  44. physics

    A quarterback is asked to throw a football to a receiver that is 32.1 m away. What is the minimum speed that the football must have when it leaves the quarterback's hand?

    asked by tommy
  45. Physics

    A rocket is launched at an angle of 42◦ above the horizontal with an initial speed of 76 m/s. It moves for 9 s along its initial line of motion with an acceleration of 29 m/s^2. At this time its engines fail and the rocket proceeds to move as a

    asked by John
  46. physics

    Consider a rock that is thrown off a bridge of height 27 m at an angle θ = 24° with respect to the horizontal as shown in the figure above. If the initial speed the rock is thrown is 12 m/s, find the following quantities: (a) The time it takes the rock

    asked by frank
  47. 9th grade

    I need help with my math homework

    asked by Kvon
  48. Chemistry

    Phosphate standards used to generate the calibration curve are usually made by first preparing a stock solution of known concentration, then diluting it to the required concentration. First prepare a stock solution that is 1.00 x 10-2 M in phosphate ion.

    asked by Khaalid
  49. Math - intersection of planes

    You are given the following two planes: x+4y-3z-12=0 x+6y-2z-22=0 a) Determine if the planes are parallel b) Fine the line of intersection of the two

    asked by Shaila
  50. poetry

    What is the Cause and Effect of the Poem Lineage by Margaret Walker?

    asked by Katty
  51. chem

    If this sample of dry ice were to be placed in an evacuated 1.0 L container and allowed to come to room temperature (25 oC), what would the pressure be?

    asked by dan
  52. physics

    Vector has a magnitude of 8.80 units and makes an angle of 43.0° counter-clockwise from the positive x-axis. Vector has a magnitude of 8.00 units and is directed along the negative x-axis

    asked by BC
  53. chemistry

    An unknown quantity of gas at a pressure of 121.59 kPa, a volume of 31 L, and a temperature of 360 K contains how many moles of gas? Round to the nearest hundredth. Don't forget the units.

    asked by janay
  54. Grammar

    (Check these please)Identify these sentences as compound, simple or run-on sentences. 5. Percy Shelley traveled in Europe and visited friends.(simple) 6. Shelley made friends with other poets; John Keats was Shelley's friend.(compound) 7. William Godwin

    asked by Tiffany
  55. English

    Can you please tell me if the following sentences are correct? They all refer to Shakespeare's The Merchant of Venice. Thank you. 1) The man who marries Portia will be the one who chooses the correct casket. 2) Shylock is notorious for charging very high

    asked by Franco
  56. Physics

    A fireman, 45.1 m away from a burning building, directs a stream jet of water from a ground level fire hose at an angle of 34.1 degrees above the horizontal. The acceleration of gravity is 9.8 m/s^2. If the speed of the stream as it leaves the hose is 58.8

    asked by John
  57. chemistry

    Which of the following properties is a chemical property of phosphorus? Answer a) it burns in air b) it is a white waxy solid c) it melts to form a viscous liquid at 44.1 oC d) Both a and c are both examples of chemical properties. e) a, b, and c are

    asked by Jack
  58. physics

    A model rocket is launched straight upward with an initial speed of 60.0 m/s. It accelerates with a constant upward acceleration of 2.00 m/s2 until its engines stop at an altitude of 130 m. (a) What is the maximum height reached by the rocket? m (b) How

    asked by frank
  59. Physics

    A fighter, traveling at 474 m/s fires a bullet perpendicular to its flight path. The muzzle velocity of the bullet is 515 m/s. At what angle to its intended path does the bullet actually travel? Answer between −180◦ and +180◦. Answer in

    asked by laura
  60. chemistry

    Naturally occuring chlorine gas has 3 isotopes 35cl-35cl, 35cl-37cl , 37cl-37cl a) mass of one molecule in terms of amu. b) mass of one molecule in terms of grams. c) mass of one mole in terms of grams. d) Naturally occuring Cl has 75% 35cl and 25% 37cl,

    asked by Jake
  61. Chemistry

    A student adds 4.00g dry ice(Co2(s)) to an empty balloon after the dry ice sublimes and comes to STP?

    asked by Suzan
  62. Physics

    A plane drops a hamper of medical supplies from a height of 5210 m during a practice run over the ocean. The plane’s horizontal velocity was 133 m/s at the instant the hamper was dropped. The acceleration of gravity is 9.8 m/s^2. What is the magnitude of

    asked by John
  63. begining algebra

    translate into a variable expression.then simplify the expression.the sum of a number y divided by four and the number.

    asked by roxann
  64. Physics

    Sorry, I asked this question earlier but I didn't clarify it well: A plane drops a hamper of medical supplies from a height of 5210 m during a practice run over the ocean. The plane’s horizontal velocity was 133 m/s at the instant the hamper was dropped.

    asked by John
  65. English Literature

    This is the question:Disucuss three examples of the anglo-saxon belief in fate as shown in Beowulf. This is what i have The anglo saxons believe that fate is the grim view of life. You have no comtrol over life or destiny. Fate is the source that

    asked by Brittany
  66. Finance

    9. The variable (A) in the utility formula represents the: a. investor’s return requirement. b. investor’s aversion to risk. c. certainty equivalent rate of the portfolio. d. preference for one unit of return per four units of risk.

    asked by Anonymous
  67. science

    Balance in acid solution PH3+ I2-> H3PO4+ I-

    asked by Joseph
  68. civics

    why did our founding fathers choose democracy over the other governments?

    asked by jenny washington
  69. Geometry

    Suppose J is between H and K. Use the Segment Addition Postulate to solve or x. Then find the length of each segment. HJ= 2x+1/3 JK= 5x+2/3 KH= 12x-4

    asked by Thea
  70. physics

    A foam cube bounces to a height of 15cm when dropped from a height of 100cm. To what height will it bounce if dropped from a height of 2.5cm? How do

    asked by joe
  71. physics

    A flask has a mass of 78.23 g when empty and 593.63 g when filled with water. When the same flask is filled with concentrated sulfuric acid, H2SO4, its mass is 1026.57 g. What is the density of concentrated sulfuric acid? (Assume water has a density of

    asked by Jack
  72. Physics

    sorry to repost (again) but I'm not understanding how to solve this: A rocket is launched at an angle of 42◦ above the horizontal with an initial speed of 76 m/s. It moves for 9 s along its initial line of motion with an acceleration of 29 m/s^2. At this

    asked by John
  73. Health

    Why are all parts of your health equally important

    asked by Brandon
  74. Physics

    When James applied the brakes to his car, it slows unifromly from 15.0 m/s to 0.0 m/s in 2.50 s. How many meters before a stop sign must she apply her brakes in order to stop at the sign? Answers: 6.0m 37.5 m 18.8 m 48.0m Please help-I've just started

    asked by Ian
  75. Physics

    sorry to keep posting this, but I have an assignment based on these problems (same equations different numbers) due in a couple hours. A rocket is launched at an angle of 42◦ above the horizontal with an initial speed of 76 m/s. It moves for 9 s along

    asked by John
  76. u.s. history

    what body has the power to accept or reject a president's nominations to the supreme court?

    asked by partha
  77. physics

    a rock is thrown horizontally with a speed of 17 m/s from a vertical cliff of height 34 m. A- I solved for t=2.63 B-How far will it land from the base of the cliff? im using x=xo+vox*t i get -6.46 and it is wrong. What am I doing wrong? C-What is the

    asked by tommy
  78. Physics

    A particle moves in the xy plane with constant acceleration. At time zero, the particle is at x = 4.5 m, y = 6.5 m, and has velocity v(naught) = (6.5 m/s)i-hat + (−2.5 m/s)j-hat (arrow for v(naught) points toward positive x direction). The acceleration

    asked by John
  79. Math

    Directions: Use each statement as givena and draw a single conclusion using all of the statements. 1) No birds,except ostriches, are nine feet high.There are no birds in this aviary that belong to anyone but me. No ostrich lives on mince pie. I have no

    asked by Hannah
  80. accounting

    What are the qualifications for the FASB board members?

    asked by Mary
  81. Physics

    A rocket is launched at an angle of 42◦ above the horizontal with an initial speed of 76 m/s. It moves for 9 s along its initial line of motion with an acceleration of 29 m/s^2. At this time its engines fail and the rocket proceeds to move as a

    asked by John
  82. chemistry

    Which of the following are solutions? Choose all that apply. (Note: do not pick heterogeneous systems that contain a homogeneous phase.) - Cold coffee or cold tea. -Cigarette smoke. - Tap water. - Milk. - Fog. - The air typically found in a room. - Pure

    asked by Tiffany
  83. physics

    A model rocket is launched straight upward with an initial speed of 60.0 m/s. It accelerates with a constant upward acceleration of 2.00 m/s2 until its engines stop at an altitude of 130 m. (a) What is the maximum height reached by the rocket? Your

    asked by jim
  84. Math

    A commission of $1,000 is to be divided between two people in a 3:5 ratio. How much should each person receive?

    asked by Capiche
  85. physics

    A SUBWAY TRAIN IS MOVING WITH A CONSTANT VELOCITY ALONG A LEVEL SECTION OF THE TRACK. THE NET FORCE ON THE FIRST SUBWAY CAR IS ________ THE NET FORCE ON THE LAST SUBWAY CAR.

    asked by alicia
  86. English lit.

    Discuss history of the english language referring to major language families, branches,periods,changes, etc

    asked by Brittany
  87. English

    Posted by rfvv on Wednesday, September 1, 2010 at 12:53am. He is standing still. (Is 'still' an adjective or an adverb?) English - karla, Wednesday, September 1, 2010 at 12:55am Is it modifying a noun(adjective) or a verb(adverb)? English - Writeacher,

    asked by rfvv
  88. chemistry

    Help with Beer's Law lab experiment question! So we were told to calculate the concentration of 5 standard solutions but I don't know how to do that exactly. The Concentration of the solution in flask B was .0024 M and our lambda max (max absorption) was

    asked by Anonymous
  89. Math(Please check)

    Sorry I forgot a question. 2) rationalize the denominator. 4/sqrt6 My answer is 4sqrt6/ 6 Am I correct?

    asked by Hannah
  90. science

    Marlene's car won't start. She wonders if she is out of gas. She checks the gas gauge and sees that the car has gas. Then she wonders if the battery is dead. She checks the battery and discovers that it is dead. Marlene conclude that her car battery is

    asked by ant
  91. Mayans and aztecs

    Where can I find iinformation about the similarities and differences of the culture and life of the Mayans and Aztecs?

    asked by betty
  92. statistics

    the amount of time spent in North American adults watching television per day is normal distributed with a mean of 6 hours and a standard deviation of 1.5 hours

    asked by Marcus
  93. algebra

    world grain demand.freeport mcmoran projectsthat in 2010 world grain supply willbe 1.8trillion metric tonsand the supply will be only3/4 world garin demand. what will world grain demand be 2010

    asked by mjones
  94. geometry

    measure of angle RST=5(x+1)-3

    asked by angel
  95. Geography

    Two examples of geo-politics using knowledge on Latin America.

    asked by Courtney
  96. physics

    A round ball bounces to 2m after being dropped from an undetermined height. To what height will it bounce if dropped from a height 2.5 times as high? (how do u even calculate this problem?). (or is it just a problem that cant be solved?)

    asked by joe
  97. Physics

    sorry to repost (again) but I'm not understanding how to solve this: A rocket is launched at an angle of 42◦ above the horizontal with an initial speed of 76 m/s. It moves for 9 s along its initial line of motion with an acceleration of 29 m/s^2. At this

    asked by John
  98. Math

    Evaluate the logarithmic equation for three values of x that are greater than 1, three values of x that are between 0 and 1, and at x=1. Show your work. Use the resulting ordered pairs to plot the graph. State the equation of the line asymptotic to the

    asked by Samantha
  99. calculus

    Can someone please help me find the arc length of this curve? x = 3y^(4/3) - 3/32y^(2/3) y is between -64 and 64

    asked by Pegs
  100. Math

    If the wind is blowing from the west at 17 knots, what is its speed in miles per hour? In kilometers per hour?

    asked by Maria
  101. algebra

    When the quotient of a certain number and 6 is decreased by 14, the result is 4 find the number.

    asked by Walter
  102. Math

    Use your protractor to find the measure of the angle to the nearest degree. 1.Angle S Anyone know how am I suppose to find the degree when it only telling me the vertex(S) ?

    asked by Shadow
  103. chemistry

    Naturally occuring chlorine gas has 3 isotopes 35cl-35cl, 35cl-37cl , 37cl-37cl a) mass of one molecule in terms of amu. b) mass of one molecule in terms of grams. c) mass of one mole in terms of grams. d) Naturally occuring Cl has 75% 35cl and 25% 37cl,

    asked by Jake
  104. 12th grade maths

    factorise: 2x^2+6x-16, and 14x^2-3x-2. Solve: 6y^2-5y-6=0, and 8x^2-2x-1=0. Rearrange: p=5t-u/u to make u the subject, and p(q+r)=(q-p). please help i've done about 40 questions and im just stuck on these. thanks for the help

    asked by adam
  105. precal - iterates?

    Find the third iterate of the function f(t) = 9t - 3 when t0 = 1/3 + i/9.

    asked by Anonymous
  106. physics

    The diameter of some celestial body is 3080 km. What is the volume of this body? _____m3 How many of these celestial bodies would be needed to create a volume equal to that of Earth? The radius of the Earth is 6.38 106 m.

    asked by Lisa
  107. geometry

    Andelko measured the largest chord on his slice of pizza, and found it was 20 cm long. From the midpoint of the chord to the outside of the pizza, the shortest distance was 2 cm. What was the diameter of the pizza?

    asked by Anonymous
  108. Algebra

    Evaluate the logarithmic equation for three values of x that are greater than 1, three values of x that are between 0 and 1, and at x=1. Show your work. Use the resulting ordered pairs to plot the graph State the equation of the line asymptotic to the

    asked by Nicole
  109. math

    find w from the formula k=wa+b whn k=30, b=6 and a=4

    asked by katy
  110. Mathematics

    Evaluate 3 1/9 x (-3 3/5) ÷ 2 1/10 INTEGERS [3x(-3)-4x(-2)+5x2]+[-2x(-3)+8x(-2)-8x2]

    asked by Rebecca S Bhutto
  111. Calculus

    A rational function g has the lines x=2 and x=-2 as vertical asymptotes, the line y=4 as a horizontal asymptote, and numbers 3 and 1 as zeros. Find a formula for g(x). So I got g(x)=(4x^2-16x+12)/(x^2-4) Is this correct Math Mate?

    asked by Leanna
  112. math

    How do I calcualte these conversions? 8.4cm = m 1333.8g=kg 119cm=mm 2391mL=L 3.22Mm=km 4.68fs=ps 8.86*10^11=Gm 1.57*10^-10m=picometers 381cm=in 94mm=in 5.0L=q 132kg=lbs

    asked by Will
  113. algebra

    Solve algebraically and check x^2 + 4y^2 = 4 x = 2y - 2

    asked by George
  114. Calculus

    A rational function g has the lines x=2 and x=-2 as vertical asymptotes, the line y=4 as a horizontal asymptote, and numbers 3 and 1 as zeros. Find a formula for g(x).

    asked by Leanna
  115. Calculus

    Solve for x if 5+lnx=14/lnx.

    asked by Leanna
  116. calculus

    PLEASE write 2x+y=5 in polar form. a. -sqrt5 = r cos (theta -27degrees) b. sqrt5 = r cos (theta -27degrees) c. -sqrt5 = r cos (theta +27degrees) d. sqrt5 = r cos (theta +27degrees) is the answer c.

    asked by jane
  117. math

    A cone of height 24cm has a curved surface area 550 cm2 . Find its volume.

    asked by CUNY
  118. Chemistry

    A reastion consumes 5.0g of A and 6.0g of B. How many grams of C and D should be obtained? 1A + 3B -> 2C + 4D MC answers: 23 11 1 10 Not enough information to answer the question

    asked by Megan
  119. science

    Virginia hears a scratching sound outside her window almost every night. She finds that no tree branches can reach the window even in the strongest wind. What should she do next to solve this problem using the scientific method? a) do another experiment b)

    asked by pam
  120. Physics

    I'm shown a graph with position on the y axis and time on the x axis. The question is what is the total displacement during the time interval. The position in (m) starts at 1.0 and goes to 6 and the time starts at 0-10.0 (s). The question is what is the

    asked by JulieAnne
  121. Calculus (Reiny or MathMate)

    A rational function g has the lines x=2 and x=-2 as vertical asymptotes, the line y=4 as a horizontal asymptote, and numbers 3 and 1 as zeros. Find a formula for g(x). So I got g(x)=(4x^2-16x+12)/(x^2-4) Is this correct

    asked by Leanna
  122. Health

    List four ways to keep your health balanced

    asked by Brandon
  123. Math(Please help)

    Simplify each expression. Assume all variables are positive. 1) 3 sqrt2 - 8 sqrt128 I think you subtract the 3 from the 8 but I do not know what else to do. 2) Simplify expression. Answer should have only positive exponents. (8x^3 y^-1/2)^2/15 Do I

    asked by Hannah
  124. chem

    If you have an insulated glass of water at 25 oC containing 10 fluid oz at 25 oC, how much ice would you have to add to end up with a final temperature of 0 oC and no ice left?

    asked by dan
  125. chem

    If ice were to be placed in a container at a temperature of -2 oC, with a water vapor pressure of 2 torr, you would see a decrease in the volume of solid ice over time.

    asked by dan
  126. science

    Lilian's car won't start. She is using the scientific method to determone the cause. The car won't jumpstart so the battery is not the casue of the problem. What should she do next? a) run another experiment b) form another hypothesis c) draw another

    asked by Happy Labor Day!!!!!!!!!!!
  127. science

    The following statement is a vaild scientific theory. If Watson and Crick had not discovered the structure of DNA, bio - technology would be 20 years behind where it is today. TRUE FALSE true

    asked by pam
  128. 12th grade

    make the subject (p) p+3=(pq+r)/2

    asked by rearranging formulae
  129. 12th grade

    2x^2+6x-16 and 14x^2-3x-2

    asked by factorising expressions
  130. System of equation

    solve algebraically x^2 + y^2 = 16 x - y = 4

    asked by jelly
  131. Physics

    A particle moves in the xy plane with constant acceleration. At time zero, the particle is at x = 4.5 m, y = 6.5 m, and has velocity v(naught) = (6.5 m/s)i-hat + (−2.5 m/s)j-hat (arrow for v(naught) points toward positive x direction). The acceleration

    asked by John
  132. Algebra

    I am trying to find the equation to m= 8(3,2)This is what I did and then I get stuck, sorry m=8(3,2) y=2(8)(x-3) y=2x-? this is where I get stuck -24 or -5

    asked by Ziggy
  133. 5th grade

    Wha are the names of the smaller mountain ranges that make up the Rocky Mountains?

    asked by Breanne
  134. 12th grade maths

    just like to check if ive got these right. if not can you help?? make the subject (q) p(q+r)=2(q-p)ans q=pr+2p/(2-p) make the subject (p) p+3=qp+r/(2) ans p=r-6/(2-q) make the subject (r) p(r-q)=2+3(q-r) ans r=2+3q+pq/(p+3) make the subject (x) y=r-qp/(x)

    asked by adam
  135. World Religions

    The gospel starts off with Jesus talking with some of his followers and telling them about sins. He continues to tell his followers about the sin of adultery. After speaking for a while Jesus gets up and leaves and the people are left confused. Then comes

    asked by y912f
  136. English Literature

    Explain why beowulf is an epic poem and why beowulf is an epic hero.

    asked by Brittany
  137. Probability

    Toss a fair coin ten times. Find the probabiltiy of getting heads at least once. Can anyone help me to see how this works out?

    asked by Diane
  138. algebra

    Simplify. 3x+2y-5+3y-x=

    asked by Tierra
  139. algebra

    help with math 116 week 8

    asked by Anonymous
  140. chem2

    If you have an insulated glass of water at 25 oC containing 10 fluid oz at 25 oC, how much ice would you have to add to end up with a final temperature of 0 oC and no ice left?

    asked by dan
  141. Physics

    2D Displacement: Particle moving, V(naught) 6.5 m/s(i-hat), -2.5 m/s(j-hat) arrow above V(naught) pointing in positive x direction. Also a= 6.5m/s^2 (i-hat), 1 m/s^2 (j-hat) I have V(sub-x) of 65 & V(sub-y) of 6.5, both after 9 seconds w/ initial point

    asked by John
  142. Math

    in salem, 42% of the registered voters are republicans and 44% are democrats. the other 217 are independents. how many registered voters are there in salem?

    asked by Jeff
  143. 3rd grade

    Synonyms of to imagine

    asked by Micah
  144. Mathematics

    Evaluate:- (a) (4/5 + 1/3)÷ 2/3 (b) (3/4 x 1/3 - 1/12)÷ 1/2 my answer of b comes 12 is it right? and if its not then can u explain me thanks

    asked by Rebecca Suhail
  145. System of equation

    solve system of equations graphically and check 2x - y = 5 3x + 2y = 4

    asked by Genevieve
  146. health

    as you grow up stress in your live is sometimes caused by ?

    asked by Brandon
  147. Algebra II/ Pre Calc

    ln(12+x)= It is not (ln 12)(ln x) or (ln12x)

    asked by Jessica
  148. Calculus

    If f is a polynomial function of degree 3 with the numbers 4,5, and -6 as zeros, and if f(1)=-210, determine the formula for f(x).

    asked by Leanna
  149. Chemistry

    A reastion consumes 5.0g of A and 6.0g of B. How many grams of C and D should be obtained? 1A + 3B -> 2C + 4D MC answers: 23 11 1 10 Not enough information to answer the question

    asked by Megan
  150. computing

    if you can answer these question and give the calculation that would be a great help thank you 1. Calculate the amount of storage required for a black and white bit-mapped graphic which has a resolution of 2000 x 1400 dpi. 2. calculate the amount of

    asked by LiiNa
  151. science

    WHAT IS AN INFERENCE? a) what is really occurring b) a conclusion that has been tested and accepted c) an observation made with a sense other than sight d) a tentative conclusion based on observation just need to know if right or wrong C

    asked by pam
  152. accounting

    How do I make general journal entries from a adjusted trial balance?

    asked by Cindy
  153. algebra

    solve algebraically x^2 + y^2 = 16 x - y = 4

    asked by James
  154. Calculus

    How do you find the integral (antideriv) of 12 / (7t + 6) ???????? I know that the antideriv of 1/x equals ln x, so is the antideriv of [12 / (7t +6)] = 12 ln (7t +6) ???? THANK YOU SO MUCH!

    asked by APpreciative student
  155. chemistry

    What weight of sodium nitrate (NaNO3) must be used to prepare 511mL of a 10.8Msolution of this salt in water?

    asked by Anonymous
  156. Algebra I

    I am tying to determine whether the graph pairs below are parallel. x+12=y and y-x=-8. I have found the slope to x+12=y is 1. But I can't determine the slope for for y-x=-8. I am thinking maybe it is undefined, but I am not sure, since I am really new at

    asked by Ziggy
  157. math

    solve algebraically x^2 + y^2 = 25 y = x - 1

    asked by jelly
  158. Physics

    Vector ~A has a magnitude of 7 and points in the positive x-direction. Vector ~B has a magnitude of 21 and makes an angle of 30◦ with the positive x-axis. What is the magnitude of ~A − ~B ?

    asked by nelly
  159. 11th grade

    do you think the activation energy in living things is high or low

    asked by Anonymous
  160. Math

    why is that sec is even function while csc is odd function??

    asked by prethy
  161. Science - Physics

    How long would it take you to drive from Houston to Gatorville LA (235 miles0 if you drive the first 75 miles at 60 mph, the next 100 miles at 65 mph, and the last 60 miles at 70 mph? What is your average speed for the entire trip?

    asked by Rachel
  162. s.s

    What is the definition for a scale on a map?

    asked by Emily
  163. math

    9x^2 - 4y^2 = 36 y = 3x - 6

    asked by leorenz
  164. Math

    The sum of Billy's and his sister Diane ages is 37. If three years ago Billy was 11 years older than Diane, then what is the age of each of them right now?

    asked by Blah
  165. STATISTICS

    THE ELECTION POLL REPORTED THAT A CANDIDATE HAD AN APPOROVAL RATIONG OF 30% WITH A MARGING OF ERROR E OF 4%. CONSTRUCT A CONFINDENCE INTERVAL FOR THE PROPORTIONS OF ADULTS WHO APPROVE OT THE CANDIDATE.

    asked by Anonymous
  166. math

    find r from the formula a=pie rl when pie= 3.142, a= 96, and i=12

    asked by luis
  167. English

    In the book, Pride and Prejudice,does Elizabeth marry Mr. Darcy in the end?

    asked by M
  168. geology

    Refer to Figure 9.21 on p. 264 of the text. How would you determine the slope of the land surface in this figure? If you consider building a house in a location in this area, what is the best location for your house? Why?

    asked by Tammy
  169. math

    xy = 8 y = x + 2

    asked by brian
  170. Physics

    I just need to clarify something in my mind- I look at a graph and the position changes from 3 to 8 over a ten second interval, to find total displacement, I just take 8-3 would equal 5 for total displacement, correct? I don't need to bother with the time

    asked by Joel
  171. maths

    find d from the formula c=pie d when pi=3.142 and c=27

    asked by Anonymous
  172. numerical method - elimination

    htt$$p://i53.tiny$pic.$com/33dup2p.$png Remove all the $ sign. picture is of the problem. Thank you for the help!

    asked by johndoe
  173. English

    1. Degas painted in his studio, and he was based on the sketches. 2. Degas painted in his studio, and he was based on the sketches. 3. Degas painted in his studio, and his paintings were based on the sketches. 4. Degas painted in his studio, his paintings

    asked by rfvv
  174. Psychology

    How could Freud and Rogers have created theories that differ so fundamentally? If Rogers and Freud and changed places (turn of the century Vienna versus mid-20th-century US), would they still have developed the same theories?

    asked by Linda
  175. chemistry

    Convert a density of 2.74 x 103 g/L into a density with dimensions of kg/mL. please show how would this conversion be done.??

    asked by Jack
  176. intermediate algebra

    Evaluate the logarithmic equation for three values of x that are greater than 1, three values of x that are between 0 and 1, and at x=1. show your work. use the resulting ordered pairs to plot the graph. State the equation of the line asymptotic to the

    asked by chihuahualover2010
  177. Language

    Write the missing letters of each given verb. The meaning of the verb is given to help you identify the missing letters. 1.c_ _ _ _ e. To make a noise like a hen 2.p_ _ _ _ _ d. To imagine 3.h_ _e. To walk

    asked by Micah
  178. Government

    Im supposed to find an article from this summer (June- August 30) on how the Democratic or Republican party is trying to influence or control the governmental action then write about it. Please help me find an article. ( I've already did 9 on different

    asked by Sarah
  179. Science/Math

    If the temperature of a room is 70 degrees F, what is the temperature of the room in Celsius? In Kelvin?

    asked by Kristina
  180. equation

    solve graphically. x^2 + y^2 = 10 y = 3x

    asked by Melanie
  181. equation

    Solve algebraically and check y = x^2 - 3 x + y = -1

    asked by James
  182. Math

    Simplify each expression (-216)^1/3 My answer is 1/6. Am I correct. (x^4y)^1/3 (xy^4)^2/3 I do not know how to simplify this.

    asked by Hannah
  183. math

    find D from the formula C= pie D WHEN pie= 3.142 and c= 27

    asked by jake
  184. english

    could i get this paragraph edited it is a biography in the form of a speech Good morning everyone, we have a special guest here today his name is James lore. Before he comes on, I will tell you a little about him. First off, James is a grade 12 student

    asked by sam
  185. writing

    So I read books 12-16 of The Annals by Tactius and haven't yet finished the Civil War by Lucan. But after reading these two we are suppose to come up with a thesis statement to write a paper about literature in the time of Nero. This is only a rough draft

    asked by Clueless
  186. social studies

    lake superior:north america::lake victoria_____________?

    asked by diamond
  187. science

    The following statement is a vaild scientific theory. If Watson and Crick had not discovered the structure of DNA, bio - technology would be 20 years behind where it is today. TRUE FALSE true

    asked by pam
  188. science

    Minska has a problem. When she turns on a lamp, the lamp doesn't light. She wonders if the lamp is plugged into the outlet. She checks the outlet and discovers that it is plugged in. Which stage of the scientific method is Minska in when she looks at the

    asked by Happy Labor Day!!!!
  189. chemistry

    what is the density of 700 ml of a gas that has a mass of 7 g?

    asked by alexandra
  190. Math

    I need help with this problem. Factoring with Two Variables h^2  9hs + 9s^2

    asked by Cheryl
  191. social science

    How did forces of history lagency time epocjs events evolutions revolution affect the transformation of the western society and Ecuador and the spread of global civilization

    asked by renee
  192. Physics

    if the speed of a moon car is .124 miles/second. How long, in minutes, would it take the moon car to go 5 kilometers.

    asked by Pat
  193. health

    How might a novice (new person to health care) confuse advance directives within the Patient Self-Determination Act when distinguishing information as administrative or clinical when working with health records? Where would be the best website to explain

    asked by Cassie
  194. algebraically.

    xy = -6 x + 3y = 3

    asked by camile
  195. chemistry

    If a soda can is 11.8 cm tall, how many would it take to make a stack to reach the moon?

    asked by Jane
  196. rly need help on math problem!

    Directions: Use each statement as givena and draw a single conclusion using all of the statements. 1) No birds,except ostriches, are nine feet high.There are no birds in this aviary that belong to anyone but me. No ostrich lives on mince pie. I have no

    asked by rebekah
  197. 12th grade maths

    just like to check if ive got these right. if not can you help?? make the subject (q) p(q+r)=2(q-p) ans q=pr+2p/(2-p) make the subject (p) p+3=qp+r/(2) ans p=r-6/(2-q) make the subject (r) p(r-q)=2+3(q-r) ans r=2+3q+pq/(p+3) make the subject (x) y=r-qp/(x)

    asked by adam
  198. solve please

    xy = 12 y = 2x + 2

    asked by ellize
  199. English lit

    how does achilles enemy differ from beowulfs and gilgameshs

    asked by Brittany
  200. linear equation

    graph y=x+4

    asked by chelsea
  201. Chemistry

    8.4cm = m 1333.8g=kg 119cm=mm 2391mL=L 3.22Mm=km 4.68fs=ps 8.86*10^11=Gm 1.57*10^-10m=picometers 381cm=in 94mm=in 5.0L=q 132kg=lbs

    asked by Bill
  202. science

    Minska has a problem. When she turns on a lamp, the lamp doesn't light. She wonders if the lamp is plugged into the outlet. She checks the outlet and discovers that it is plugged in. Which stage of the scientific method is Minska in when she looks at the

    asked by ant
  203. Math(Please check answer)

    Simplify each expression. 1)(sqrt7 + 5)(sqrt7 -6) My answer is sqrt 7 - 30 Am I correct?

    asked by Hannah
  204. algebra

    8-|1-y|=7

    asked by jasong
  205. science

    Minska has a problem. When she turns on a lamp, the lamp doesn't light. She wonders if the lamp is plugged into the outlet. She checks the outlet and discovers that it is plugged in. Which stage of the scientific method is Minska in when she looks at the

    asked by ant
  206. algebriacally.

    x^2 - y^2 = 9 y = 4

    asked by James
  207. math

    Andrew earns $2 more than Barbara, who earned $30 more last week than Andrew. All amounts earned were at straight time. This is a number cross word puzzle mind bender homework problem. ? Andrews hourly rate and Barbara's hourly rate

    asked by Susan
  208. Math

    A rational function g has the lines x=2 and x=-2 as vertical asymptotes, the line y=4 as a horizontal asymptote, and numbers 3 and 1 as zeros. Find a formula for g(x). So I got g(x)=(4x^2-16x+12)/(x^2-4) Is this correct

    asked by Leanna
  209. 7th grade

    know where this is before you begin any lab; you may need to find it in case of emergancy

    asked by kelley
  210. Math grade 10

    Our teacher said that for trigonometry, even degree means that if we flip the graph, it is would look exactly the same. Then why is that sec is even function while csc is odd function??

    asked by prethy
  211. partial command system

    what is a partial command system

    asked by Anonymous
  212. Science

    How many constants can you have in a problem?

    asked by Sam
  213. anat. & phys.

    draw & label all tissue/organs of endocrine sys. during stres response

    asked by pat
  214. algebraically.

    x^2 + y^2 = 25 y = x - 1

    asked by camile
  215. Math

    Arthur has dimes and quarters, total number of coins is 35. The value of his collection is $5.00. What number of each type is there?

    asked by Stuff
  216. math

    solve algebraically x^2 - 2y^2 = 11 y = x + 1

    asked by brian
  217. education

    How would you interpret a question asking about "a lesson which provides all students an opportunity to learn about one of the sciences...."?

    asked by milarky
  218. maths

    find w from the formula k=wa+b when k =30, b=6 and a=4

    asked by katy
  219. English III

    I need help don't know how to get this information and not understanding it. The Old Man and the Sea and note five paragraphs in which images occur

    asked by Betty
  220. math

    solve algebraically x^2 - 2y^2 = 11 y = x + 1

    asked by jonathan
  221. scinence

    Minska has a problem. When she turns on a lamp, the lamp doesn't light. She wonders if the lamp is plugged into the outlet. She checks the outlet and discovers that it is plugged in. After Minska concludes that her explanation didn't fit the evidence, what

    asked by Happy Labor Day!!!!!!!!!!!
  222. 12th grade maths factorising expressions

    make the subject (u) p=5t-u/u

    asked by adam
  223. Freedom middle school

    I want do 6grade science please help me.because I have to do test tomorrow.but help me now

    asked by Hsa