Questions Asked on
April 10, 2012

  1. Chemistry PLZ HELP!!!!!

    give equations showing the commercial methods for preparations of the halogen (F2, Cl2, Br2, I2)

    asked by Maci
  2. Area Geometry

    Find the area of a decagon with a radius of 4mm. Find the area of an octagon with a radius of 10 cm.

    asked by hope
  3. Geometry

    You are planning to use a ceramic tile design in your new bathroom. The tiles are blue-and-white equilateral triangles. You decide to arrange the blue tiles in a hexagonal shape as shown. If the side of each tile measures 7 centimeters, what will be the

    asked by Alexandra
  4. chemistry

    A volatile liquid was allowed to evaporate in a 43.298g flask that has a total volume of 253 mL. The temp of the water bath wad 100 °C at the atmospheric pressure of 776 torr. The mass of the flask and condensed vaporous was 44.173g. Calculate the molar

    asked by tiffany
  5. Math (Algebra)

    I am having a bit of trouble with the question stated below. I am home-schooled and learning math on your own has proven to be quite the difficult task. If someone could please explain how to do this as thoroughly as possible, I would greatly appreciate

    asked by Jessica
  6. chemistry

    In the chemistry exp molar mass of a volatile liquid what will be the outcome if the hole in the aluminu foil was larger would it make the molar mass high or low. Or what will happen if yhr water vapors condensed under the aluminum foil before the final

    asked by tiffany
  7. grade 11 physics

    A championship golfer uses a nine iron to chip a shot right into the cup. If the golf ball is launched at a velocity of 20 m/s at an angle of 45° above the horizontal, how far away was the golfer from the hole when he hit the ball? What maximum height did

    asked by sayan
  8. math

    5 4 5a 2a 10b b 40 2 6 ? 2 5c What is the missing algebraic expression? Express your answer in terms of c.

    asked by Al
  9. physics!

    The far point of a nearsighted person is 5.8 m from her eyes, and she wears contacts that enable her to see distant objects clearly. A tree is 18.7 m away and 1.8 m high. (a) When she looks through the contacts at the tree, what is its image distance? (b)

    asked by Sarah
  10. physics

    A converging lens (f = 12.6 cm) is held 8.55 cm in front of a newspaper, the print size of which has a height of 2.10 mm. (a) Find the image distance (in cm), (b) The height (in mm) of the magnified print.

    asked by linds
  11. Chemistry

    Ca(OCl)2 + 2NaCl + 2H2SO4 2Cl2 + CaSO4 + NaSO4 + 2H2O [We have to prepare 12 ml of 0.050 M Cl2 (Chlorine water) ] [We are given "solid Ca(OCl)2" , "0.20 M NaCl" and "0.50 M H2SO4" and "D-I water"] What is the required quantity of Ca(OCl)2, NaCl and H2SO4

    asked by Bunny
  12. Chemistry

    1. Calculate the acetylsalicylic acid concentration (in mg/mL) of aspirin solution #2 in the Procedure section. Assume that 300 mg of acetylsalicylic acid has been weighed out. 2.3. (3 pts) Calculate the acetylsalicylic acid concentrations (in mg/mL) of

    asked by Cassie
  13. math

    How would I find out a persons weight? having the the height 65 inches and BMI is 30. Using formula B=703w/h^2

    asked by Yvette
  14. Biochemistry

    In the electron transport chain, electrons from FADH2 are eventually used to reduce O2 into H2O. Experimentally, the proton motive force created by this process will generate 2 ATP molecules from ADP and Pi, using ATP synthase. From the information

    asked by Mike
  15. Geometry

    A square has a side length of 95. What is the length of the diagonal of the square? Express your answer in simplest radical form.

    asked by Cassie
  16. Geometry

    A square has diagonal length 13 m. What is the side length of the square to the nearest centimeter?

    asked by Cassie
  17. Geometry

    A professional baseball diamond is a square. The distance from base to base is 90 ft. To the nearest foot, how far does a catcher standing at home plate throw the ball across the diagonal of the square to second base?

    asked by Cassie
  18. Calculus

    Please verify the answers~ Thank you! 1. Which of the following is the x-intercept of the plane 2x-4z+1=0? a) P(2,0,-4) b) P(0,0,0) c) P(-1/2,0,0) d) P(0,0,1/4) Answer is C. 2. Which of the following is not a direction vector for the plane 3x-2y-z+4=0? a)

    asked by Antia
  19. Geometry

    Children climb 8 ft to the top of a slide. The end of the slide is 1 ft above the ground and the slide rises at a 45 degree angle. If the slide makes a straight line from the top to the bottom, how far does a child travel down the slide? Round to the

    asked by Cassie
  20. Geometry

    You set up a makeshift greenhouse by leaning a square pane of glass against a building. The glass is 4.5 ft long and it makes a 30 degree angle with the ground. How much horizontal distance between the building and the glass is there to grow plants? Round

    asked by Cassie
  21. Calculus

    A line has Cartesian equation 3x-2y+3=0 .Determine a direction vector for a line that is parallel to this line. Could someone explain to me why the answer is direction vector: d=(2,3)

    asked by Antia
  22. Geometry

    A square tablecloth has a line of embroidered flowers along the diagonal. The tablecloth is 48 inches on each side. How long is the embroidery line? Round to the nearest inch.

    asked by Cassie
  23. Geometry

    An equilateral triangle has a height of 26 inches. What is the length of each side of the triangle to the nearest centimeter?

    asked by Cassie
  24. Chemistry

    A 0.450-gram sample of impure CaCO3(s) is dissolved in 50.0 mL of 0.150 M HCl(aq). The equation for the reaction is: CaCO3(s)+2HCl(aq) -> CaCl2(aq) + H2O(l) + CO2(g) The excess HCl(aq) is titrated by 9.75 mL of 0.125 M NaOH(aq). Calculate the mass

    asked by Katherine
  25. Chemistry

    When an excess of CaO is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 4.01C is observed. Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC. (Note: Pay attention to significant

    asked by Katherine
  26. Math

    Moniques credit card charges interest of 20.85% per annum on unpaid balances on her march 12 statement. she had a balance of $739.65 due by the due date, she made the minimum payment (5% or 10.00, Whichever is greater.) On march 16. She made a purchase of

    asked by Monique
  27. English

    Thank you very much. Here are some more sentences on the same subject. Thank you. 1) The Hundred Years' War received a severe check from the 'Black Death', the bubonic plague which spread all over England in 1348. It was caused by fleas living on black

    asked by Matthew
  28. physics

    A ball is thrown upward with an initial velocity of 6.0m/s by someone on top of the building 34m tall who is leaning over the edge so that the ball will not strike the building on the return trip. (a) How far above the ground will the ball be at the end of

    asked by jackie
  29. English

    I left out the following sentences.Thank you very much.I need to rephrase number 5 and make it more concise. 1) By the 14th century a new middle class, both rural an urban, existed. The merchants increased their power by loaning money to the king for

    asked by Matthew
  30. ecology

    Could someone please tell me what is meant when people say that wind energy can be expensive or more expensive than fossil fuels?

    asked by Anonymous
  31. science

    can you save money on your electric bill from a regular electric company by choosing to use a percentage of wind power through them? Or does it make your bill higher?

    asked by Anonymous
  32. Statistics

    From a random sample of 500 registered voters in Los Angeles, 400 indicated that they would vote in favour of a proposed policy in an upcoming election. a) Test at the 10% significance level a politician’s statement that “those who are in favour of

    asked by Yugi
  33. English

    I left out two last sentences on history. Thank you very much, Writeacher. 1) The 14th century was also marked by the rise of a religious movement of reforms called Lollardy, whose leader was John Wycliffe. 2) The movement, which began at Oxford University

    asked by Matthew
  34. algebra

    Simplify by removing the factor of 1 5y -20 / 5y

    asked by Coach
  35. economics

    A firm that sells e-books – books in digital form downloadable from the Internet – sells all e-books relating to do-it-yourself topics (home plumbing, gardening, and so on) at the same price. At present, the company can earn a maximum annual profit of

    asked by Anonymous
  36. math

    x÷4-30=x÷32/5

    asked by ling
  37. Math

    Three black and three white beads are arranged on a string forming a circular bracelet. How many different color combinations are possible?

    asked by lynn
  38. English

    Writeacher, how would you check this sentence? Prospero was his first king but now he pens Caliban up like a farm animal, so that he can't go anywhere he wants on the island. ("is anywhere he wants" possible??) I hope you are still there.

    asked by Matthew
  39. Finance

    ABC Drilling has debt with a market value of $200,000 and a yield of 9%. The firm's equity has a market value of $300,000, its earnings are growing at a 5% rate, and its tax rate is 40%. A similar firm with no debt has a cost of equity of 12%. Under the MM

    asked by Nika
  40. Chemistry

    One enzyme- catalyzed reaction in a biochemical cycle has an equilibrium constant (K1) that is 10 times the equilibrium constant (K2) of a second reaction. If the standard Gibbs energy of the former reaction is - 300 kJ mol-1, what is the standard reaction

    asked by harry
  41. Perimeter

    Mr.lopez is putting u a fence around his vegetable garden. The garden is shaped liked a rectangle. The longer sides are 14feet, and the shoter sides are 9 an half feet long. How much fencing should mr. Lopez buy?

    asked by Mr.lopez
  42. Finance

    ABC Drilling has debt with a market value of $200,000 and a yield of 9%. The firm's equity has a market value of $300,000, its earnings are growing at a 5% rate, and its tax rate is 40%. A similar firm with no debt has a cost of equity of 12%. Under the MM

    asked by Nika
  43. Perimeter

    Mr.lopez is putting u a fence around his vegetable garden. The garden is shaped liked a rectangle. The longer sides are 14feet, and the shoter sides are 9 an half feet long. How much fencing should mr. Lopez buy?

    asked by Mr.lopez
  44. math

    the cost of travelling by bus is Rs10 for the first km and RS 3 for every additional km. how much must be paid for a journey of 20 km?

    asked by anna
  45. healthcare reimbursement

    What is the difference between hospital claims processing and professional (provider and/or CMS 1500) claims processing?

    asked by Meagan
  46. English

    Writeacher, I'm finding it difficult to check these sentences, which need to be revised grammatically. 1) The Tempest is the last one of Shakespeare’s plays. It’s very different from his previous ones. In fact it is not a tragedy, like Macbeth or

    asked by Matthew
  47. math

    Please can you Use an example to explain whether multiplying the same number to each value in the data set will affect its variance, give the relationship

    asked by Fakaapo. Suetusi
  48. algebra

    subtact (4y^5+3y)-(-2y^5-8y+9)

    asked by miss c
  49. Chemistry

    Using the information on the table of van der Waals Constants of Some Common gases, calculate the pressure exerted by 4.37 moles of chlorine gas confined in a volume of 2.45 L at 38 degrees Celsius. Compare the pressure with that calculated using the ideal

    asked by Kathi
  50. Chemistry

    Using the information on the table of van der Waals Constants of Some Common gases, calculate the pressure exerted by 4.37 moles of chlorine gas confined in a volume of 2.45 L at 38 degrees Celsius. Compare the pressure with that calculated using the ideal

    asked by Kathi
  51. physics

    An alarm clock uses 5.0 watts of electric power. If the clock is plugged into 120 volts outlet, what electric current is in the clock's circuit?

    asked by FRANNY
  52. economics

    Suppose that a business has developed a very high-quality product and operates more efficiently in producing that product than any other potential competitor. As a consequence, at present it is the only seller of this product, for which there are few close

    asked by Anonymous
  53. wave on

    your mother is in the kitchen while you are inyour bed room with the door closed. she yells at you telling you its time for dinner. What type of wave is being produced?

    asked by FRANNY
  54. Chemistry

    Using the information on the table of van der Waals Constants of Some Common gases, calculate the pressure exerted by 4.37 moles of chlorine gas confined in a volume of 2.45 L at 38 degrees Celsius. Compare the pressure with that calculated using the ideal

    asked by Kathi
  55. Algebra2

    how do you solve this? A dice is rolled twice. What is the probability of getting a multiple of 3 on the first roll or a total of 7?

    asked by A
  56. Calculus

    Two automobiles are travelling on intersecting roads. The first automobile is travelling northeast at 35 km/h. The second automobile begins 7 km north of the first, and it is travelling east at 25 km/h. Assuming that these cars will continue at this rate,

    asked by Antia
  57. Leadership

    Rising Cost of Health Care

    asked by Faith
  58. Chemistry

    You have 250mL of a 0.56M solution of sodium acetate. How many mL of 0.50M acetic acid should be added to make a buffer of pH 4.40? I think this is a buffer system so I would use pH=pka + log base/acid so would I set this up as 4.40 = 4.74 + log base/

    asked by Hannah
  59. physics

    The far point of a nearsighted person is 5.8 m from her eyes, and she wears contacts that enable her to see distant objects clearly. A tree is 18.7 m away and 1.8 m high. (a) When she looks through the contacts at the tree, what is its image distance? (b)

    asked by linds
  60. Chemistry(Please check)

    What is molar solubility of Al(OH)3 at 25 degrees C given the solubility product Ksp = 5.0e-33? I set this up as Al^3+ + 3OH^- Ksp=[Al^3+][OH^-]^3 5.0e-33 = (x)(3x)^3 Before I go any further did I do this correctly?

    asked by Hannah
  61. Calculus I

    Find the derivative ** (sq root) y = (square root) x + (2nd sq root) x + (3rd sq root) x ** All the x's is under three sq roots y' = 1/2(sq rt) x + 1/(sq rt) x + 3/2(sq rt) x Is this right?

    asked by Priscilla
  62. Chemistry

    Dr.Bob, Arrange these acids in terms of increasing acidity: CH3COOH, NH3+CH2COOH, CH3CONHCH2COOH According to my Chem textbook,NH3+CH2COOH has a low pKa value since both the COOH & NH3+ are protonated,so it is most acidic. CH3COOH is a weak acid, but I'm

    asked by Meenaakshi
  63. arithmetic

    Determine the 10th and 21st terms of the arithmetic sequence- 4+7x, 5+9x, 6+11x

    asked by Nkululeko Hadebe
  64. calculus

    verify that y=C1e^2x + C2e^-3 is a solution of the differential equation y''+y'-6y=0

    asked by mari
  65. calculus

    the management of a company has decided that the level of its investment should not exceed C dollars. Furthermore, managament has decided that the rate of net investment (the rate of change of the total capital invested) should be proportional to the

    asked by mari
  66. Statistic

    Out of 150 ST130 students in 2010, 52% passed. A sample of 30 randomly selected ST130 students resulted in 65% passed. i. Describe the population and sample. ii. Identify the parameter and give its value.

    asked by Fakaapo. Suetusi
  67. calculus

    verify that y=c/x^2 is a general solution of the differential equation y'+(2/x) y=0-6y=0 then find a particular solution of the differential equation that satisfies the side condition y(1)=2

    asked by mari
  68. calculus

    determine whether the statement is true or false. If it is true, explain why it is true. If it is false, give an example to show why it is false a) the function f(x)=3/2 +cx^-2 is a solution of the differential equation xy'+2y=3 b) the differential

    asked by jhony
  69. calculus

    solve the firs-order differential equation by separating variables y'=xy^3/√(1+x^2)

    asked by jhony
  70. calculus

    assume that is the rate of change of the unit price of a commodity is proportional to the diference between the demand and the supply, so that dp/dt=k (D-S) where k is a constant of proportionalily. suppose that D=40-2p, S=5+3p, and P(0)=4. find a formula

    asked by Anonymous
  71. calculus

    find a function f given that (1) the slope of the tangent line to graph of f at any point P(x,y) is given by dy/dx=3xy and (2) the graph of f passes through the point (0,2)

    asked by mabel
  72. Physics please help!

    The far point of a nearsighted person is 5.8 m from her eyes, and she wears contacts that enable her to see distant objects clearly. A tree is 18.7 m away and 1.8 m high. (a) When she looks through the contacts at the tree, what is its image distance? (b)

    asked by linds
  73. calculus

    find the solution of the initial value problem y'=xye^x; y(1)=1

    asked by Anonymous
  74. math

    Web Results For: marty ate one -fourth of a pizza and rob ate one-fifth of a pizza . how could rob have eaten more pizza than marty?

    asked by ug7yg8y
  75. Chemistry

    If you add 0.35grams NaF to 150mL of a 0.30M HF, what is the pH of the resulting solution? To start off would I use the value of 1.4e-11 for F^-^ and 7.2e-4 for HF? Chemistry(Please help) - DrBob222, Tuesday, April 10, 2012 at 12:04am This is a buffer

    asked by Hannah
  76. physics

    The source of all wave motion is ____________________. A) something vibrating.B) a harmonic object, or system of objects.C) any energy source.D) a region of high and low pressures.E) transverse motion.

    asked by Jim
  77. Math

    Mandy's kitchen measures eight feet by seven feet. If she is making a scale drawing of one inch = two feet, how many inches will she use for eight feet? How many inches will Mandy use for seven feet?

    asked by please help me!!
  78. Algebra

    What is the solution set to 8x + 11 = 8x + 8

    asked by Katie
  79. organic chemistry

    what happens to so3 when placedat high temp?

    asked by himani
  80. Math

    Verify the identity & Justify the step.s cot (theta-pi/2)=-tan theta

    asked by Leah
  81. physics

    Using energy considerations, calculate the average force a 60.0 kg sprinter exerts backward on the track to accelerate from 2.00 to 6.00 m/s in a distance of 25.0 m, if he encounters a headwind that exerts an average force of 30.0 N against him.

    asked by Amelia
  82. english

    In the sentence: "Are you already almost finished?" "Are" is functioning as a linking verb. True or False

    asked by Danielle
  83. physics

    The number of electrons that move about the nucleus of an electrically neutral atom is the same as the number of ____________________. A) protons in the nucleus.B) quarks in the nucleus.C) protons + neutrons in the nucleus.D) neutrons in the nucleus.E)

    asked by Jim
  84. Math

    Factor 3x^2-16X+K and find the value of K.

    asked by Hanu
  85. physics

    Boxing gloves are padded to lessen the force of a blow. (a) Calculate the force exerted by a boxing glove on an opponent's face, if the glove and face compress 7.00 cm during a blow in which the 8.00 kg arm and glove are brought to rest from an initial

    asked by Amelia
  86. physics

    Using energy considerations, calculate the average force a 60.0 kg sprinter exerts backward on the track to accelerate from 2.00 to 6.00 m/s in a distance of 25.0 m, if he encounters a headwind that exerts an average force of 30.0 N against him.

    asked by Amelia
  87. physics

    How long will it take a 1630 W motor to lift a 285 kg piano to a sixth-story window 16.0 m above?

    asked by Amelia
  88. physics

    During a workout, the football players at State U. ran up the stadium stairs in 61 s. The stairs are 145 m long and inclined at an angle of 30°. If a typical player has a mass of 105 kg, estimate the average power output on the way up. Ignore friction and

    asked by Amelia
  89. physics

    To say an object has a negative charge is to say it has an excess of what kind of charges? A) Either protons or electrons.B) Electrons.C) Protons.D) None of these

    asked by Jim
  90. Math

    How many terms does a trinomial have?

    asked by Aurora
  91. Life Orientation

    In which ways does air pollution impact on communities within South Africa

    asked by Precious
  92. calculus test corrections. 1 question

    Describe the linear programming situation for this system of inequalities. x < 1 y > 0 3x + y < 5 the answer is unbounded. please tell me why

    asked by brandi
  93. Pre-calculus

    Find the minimum value of f(x, y) = y – x + 1 for the polygonal convex set determined by this system of inequalities. x > 0 y > 0 2x + y< 4 the answer is -1. please tell me why

    asked by brandi
  94. Computer Question for school

    is there a way to, on an online video, copy the screen? I am watching a direct instruction for schoolwork and don't know if i can, can I?

    asked by &#9829;rebel•stupidity=kathy&#9829;
  95. math

    a yellow marble will be drawn from a bag containing 2 black and 6 yellow marbles. what best rep[resents the probability of the event? 0%/25%/50%/75%/100%

    asked by blanche
  96. computers in day care

    an encyclopedia on cd-rom would be most appropriste for a typical tow year old, three year old, four year old, eight year old

    asked by rena
  97. physics

    If the critical angle of a liquid is 41.4 degrees find the index of refraction for that liquid

    asked by ******tasha******
  98. Just Curious

    A few questions out of curiosity. What does jiskha mean? And what is your view point of Pluto Since Pluto is no longer considered a planet, do you think it should still e called a planet? Not just dwarf planet, but a planet like Mars or Earth? Thanks and

    asked by &#9829;rebel•stupidity=kathy&#9829;
  99. math

    a yellow marble will be drawn from a bag containing 2 black and 6 yellow marbles. what best rep[resents the probability of the event? 0%/25%/50%/75%/100%

    asked by blanche
  100. money

    how would you ask someone for money for school???

    asked by Kaya
  101. English

    Writeacher, I know you are not there. However, I urgently need someone of you to check this short story. I hope Ms Sue or anyone else will help me. 1) I spent my Easter holidays with my family at my grandparents' house in London. I had a very good time

    asked by Matthew
  102. math

    find T so x-3 is a factor of f(x)=x^3-4x^2+Tx+3

    asked by Anonymous
  103. English

    Bobpursley, Ms Sue I urgently need you to check this paragraph. Thank you very much in advance!!! I made a change in the last sentence. 1) I spent my Easter holidays with my family at my grandparents' house in London. I had a very good time there,

    asked by Matthew
  104. Chemistry

    16. You have a series of four chemical reactions (1--> 2 --> 3 --> 4). How do you calculate the H2 if you know the other H values? H2 = (H1)(H3)/(H4) H2 = H4 (H1 + H3) H2 = H1 + H3 + H4 H2 = H1 + H3 H4

    asked by JoJo
  105. Algebra 1

    (2x^3 - x^2 - 24x + 12) divided by (2x - 1)

    asked by stan
  106. Trig

    Rewrite 7pi/5 in degrees.

    asked by Rina
  107. Chemistry

    17. You have the following equations: 2S (s) + 3O2 (g) 2SO3 (g), H = 792 kJ 2S (s) + 2O2 (g) 2SO2 (g), H = ? 2SO2 (g) + O2 (g) 2SO3 (g), H = 198 kJ What is the missing H?

    asked by JoJo
  108. English

    I have been writing this story for English class and would love some input on what i should add to this story. I don't want it to make it a sappy story either. Also sorry for the grammar errors i haven't perfected it yet. The last man on earth sat alone in

    asked by Steve
  109. Chemistry

    12. In a calorimeter, 10 g of ice absorbs heat with an enthalpy of fusion of 334 J/g. What is the heat absorbed? q = mCHf I am having a lot of trouble on this type of problem in chem. Help and an explanation would be greatly appreciated. Thank you.

    asked by JoJo
  110. science

    1. The surface tension in a cup of water is caused by _____. (1 point)attractive forces between the water and its container attractive forces between water molecules adhesive forces between water molecules adhesive forces between the water and its

    asked by NIKE
  111. math

    2+log2(x+2)=3

    asked by Anonymous
  112. physics

    A horizontal segment of pipe tapers from a cross sectional area of 50 cm2 to 0.5 cm2. The pressure at the larger end of the pipe is 1.26 105 Pa and the speed is 0.029 m/s. What is the pressure at the narrow end of the segment? Pa Please help! physics -

    asked by Malika
  113. math

    (5x^2 + 9) + (7x^2 + -8)

    asked by Cheril
  114. math

    (5s + t) + (-3s + 4t)=

    asked by Cheril
  115. math

    (3n^2 + 4n) + (n^2 + n) = _____

    asked by Cheril
  116. math

    (2a + 3b + c) + (a + 3b + -4c) =?

    asked by Cheril
  117. grammar

    1. If we can meet with the patient and he / him / himself, we can discuss possible alternative treatments. A) he B) him C) himself 2. An argument between her boyfriend and her / she resulted in the latest injury. A) her B) she 3. The patient’s son is

    asked by Jenny
  118. Math

    You invest $7,000 in a two-year CD. At the end of the 2 years, you receive $8,331.97. Assume you left the first year' s interest in the account, what was your yearly interest rate?

    asked by Pat
  119. Chemistry

    If 2 grams of acetic acid is reacted with excess 1-pentanol, what mass of pentyl acetate would you expect to achieve theoretically?

    asked by Leon
  120. physics

    A U-shaped tube is partly filled with water and partly filled with a liquid that does not mix with water. Both sides of the tube are open to the atmosphere. If h1 = 0.46 m and h2 = 0.25 m, what is the density of the liquid? on the left side of the tube is

    asked by Adam
  121. Physics

    A double-slit interference experiment is performed with light from a laser. The separation between the slits is 0.58 mm, and the first-order maximum of the interference pattern is at an angle of 0.060 ◦ from the center of the pattern. What is the

    asked by Angel
  122. Arithmetic

    Find a geometric series which has a third term of 7/4 and a sum to infinity of 14.

    asked by Piwo
  123. Stats

    A study of the students taking distance learning courses at a university finds that they are mostly older students not living in the university town. Choose a distance learning student at random. Let A be the event that the student is 25 years old or older

    asked by Anonymous
  124. math

    a jar contains 27 blue blocks 18 red blocks 12 orange blocks and 43 green blocks You put your hand in the jar and without looking pull out a block. About what fraction on the time would you expect to get a red block?

    asked by Madison
  125. Physics/math

    A gun with a muzzle velocity of 1200 feet per second is fired at an angle of 6 degrees with the horizontal. Find the vertical and horizontal components of the velocity.

    asked by Cydni
  126. science

    a 40kg student goes to jupiter where the rate of acceleration is 24.5m/s squared what is the students weight on jupiter?

    asked by melissa
  127. Math

    If twenty people in a factory make 43 shoes in [(3)^.5] / 2 hours, then how many shoes do they make in an eight hour day? 397?

    asked by Jarrod
  128. Math

    3 black beads and 3 white beads are placed on a string in a circular fashion. How many possible color arrangements are there? *Reiny answered the question...just want to check my answers as to the color arrangements. Anyone?

    asked by lynn
  129. art

    1. This is an identifiable symbol that stands for a company. (1 point)motif logo cartoon sign 2. This term refers to an illustration in an early hand-made manuscript. (1 point)drawing photograph illumination print 3. This term refers to different fonts

    asked by NIKE
  130. physics 2

    A concave mirror has a focal length of 27.0 cm. The distance between an object and its image is 46.5 cm. Find the object and image distances, assuming the following. (a) that the object lies beyond the center of curvature do = di = (b) that the object lies

    asked by Anne
  131. Physics

    Why is it that interference effects don't show up regularly in glass window panes with two surfaces?

    asked by Anonymous
  132. physics

    A 12 kg toboggan is pulled along at a constant velocity on a horizontal surface by a horizontal force of 11 N How much horizontal force is needed to pull the toboggan at a constant velocity if two 57 kg girls are sitting in it ?

    asked by Melissa
  133. math/physics

    Forces with magnitudes of 2000 newtons and 900 newtons act on the machine part at angles of 30 degrees and -45 degrees respectively, with the x-axis. Find the direction and magnitude of the resultant of these forces.

    asked by Cydni
  134. Life orientation

    What according to the bcea applies with regard to the contraventions that you have identified?

    asked by NOKULUNGA
  135. Physics

    A pair of narrow parallel slits separated by a distance of 0.253 mm are illuminated by the green component from a mercury vapor lamp (λ = 545.1 nm). What is the angle from the central maximum to the first bright fringe on either side of the central

    asked by Angel
  136. Chemistry

    What mass of sodium chloride is produced when chlorine gas reacts with 0.29 grams of sodium iodide? Unbalanced equation is given below: NaI + Cl2 -> NaCl + I2

    asked by Halie
  137. physics

    what are the methods of computing the veolicty of a particle in one- dimensona motion from a graph ?

    asked by kelly
  138. physics

    which of collowing situations describe a particle that might have a non-zero velocity? canbe more than one A) a particle that has a constant position as a function of time B) a particle that has its position changing as a fnction of time c)when you graph

    asked by kelly
  139. Data management

    Hugo has a job interview at Telus. He has a 56% of waking up late on the morning of the interview. When he wakes up late he has a 33% chance of missing his bus to take him to the interview. At this rate he will be late and he has a 27% chance of actually

    asked by Anonymous URGENT PLS
  140. U.S. History

    What are some New Deal programs that were not successes? It doesn't have to be a lot, just two or three. Also, was the National Recovery Act (NCA) a failure? Thank you!

    asked by Annelise
  141. physics

    A pebble drops straight down into a tub of water, setting off ____________________ waves that travel at the boundary between the water and air.

    asked by Raeme
  142. Math

    Hugo has a job interview at Telus. He has a 56% of waking up late on the morning of the interview. When he wakes up late he has a 33% chance of missing his bus to take him to the interview. At this rate he will be late and he has a 27% chance of actually

    asked by URGENT PLS
  143. Physics

    A ^9 {\rm {\rm Be}} nucleus containing four protons and five neutrons has a mass of 1.50×10−26 {\rm kg} and is traveling vertically upward at 1.45 {\rm km}/{\rm s}. If this particle suddenly enters a horizontal magnetic field of 1.15 {\rm T} pointing

    asked by Kaitlin Carter
  144. physics

    To say a substance is electrically polarized is to say that its net charge is ____________________. A) either negative or positive, but relatively weak.B) weakly positive in sign.C) None of these.D) is normally zero with opposite charges on opposite

    asked by Jim
  145. language arts

    Having trouble deciding on a review question between and or but. The sentence says, "Newton's ideas about motion are called laws, (and, but) Einstein's idea about relativity is called a theory." Thanks.

    asked by Brandi
  146. Physics

    Light falls on a double slit with slit separation of 2.19 × 10 −6 m, and the first bright fringe is seen at an angle of 12.7 ◦ relative to the central maximum. What is the wavelength of the light? Answer in units of nm

    asked by Angel
  147. physics

    Charge polarization is normally produced by ____________________. A) nuclear interactions.B) contact.C) induction.D) friction.E) electrostatic means.

    asked by Kristie
  148. physics

    Which of these are correct for an electric field? A) It's a vector quantity, and can be cancelled.B) Three of three are correct.C) It stores electric energy.D) Two of three are correct.E) It's the altered space surrounding electric charge.

    asked by Kristie
  149. Physics

    A block of aluminum that has dimensions 2.07 cm by 2.55 cm by 5.00 cm is suspended from a spring scale. The density of aluminum is 2702 kg/m^3. (a) What is the weight of the block? 0.699 N (b) What is the scale reading when the block is submerged in oil

    asked by Maryam
  150. HCS/490

    Do employers have the right to screen employees or potential employees to learn if they are smokers, have chronic diseases, or are overweight? Explain.

    asked by B
  151. physcis ! HELP !!!!

    which of collowing situations describe a particle that might have a non-zero velocity? canbe more than one A) a particle that has a constant position as a function of time B) a particle that has its position changing as a fnction of time c)when you graph

    asked by kelly
  152. language arts

    I've got one more question on conjunctions. The sentence is "One bird you are sure to see is McKay's bunting, which breeds here (and, but) nowhere else." I was thinking it might be but since it is contrasting but wasn't sure. Thanks.

    asked by Brandi
  153. physics

    Electric potential is measured in units of ____________________. A) watts.B) joules per coulomb, or volts.C) joules.D) ohms.E) amperes.

    asked by Kristie
  154. physics ! HELP PLEASE !!!!1

    what are the methods of computing the veolicty of a particle in one- dimensona motion from a graph ?

    asked by kelly
  155. to ms.sue

    the basketball game is tied.your team has the ball.there is only enough time for one more shot.based only on the information in the table,which player would you choose to take the shot? why? player: shots missed: shots made: 12 5 1 6 5 2 0 3 3 2 9 4 3 4 5

    asked by Celest
  156. math

    what is the answer and estimation for 404x2

    asked by deliah
  157. trig/precalc

    a car's flywheel has a timing mark on it's outer edge. the height of the timing mark on the rotating flywheel is given by y=3.55sin[x - (pi/4)]. graph one full cycle of this function. I was not taught how to graph a function like this, only the simple y=

    asked by tabby
  158. Chem 1010

    Determine how many moles of HCL are contained in 44.9 mL of 8.00 M solution of HCl. Express your answer in decimal form rounded to three decimal places. Do not include units with your answer.

    asked by Sirena
  159. Chem 1010

    15.3 g of KCl (MM = 74.55 g/mol) is dissolved in enough water to make 600 mL of solution. Calculate the molarity of the KCl solution.

    asked by Sirena
  160. Chemistry

    What 3 compunds can be used to prepare oxygen in the laboratory? What are the reactions for each of the three compounds?

    asked by John
  161. Algebra 2

    The sum of two numbers is 100. One number is four more than three time the other number. What are the last numbers?

    asked by Nancy
  162. Chem 1010

    Determine how many moles of HCL are contained in 44.9 mL of 8.00 M solution of HCl. Express your answer in decimal form rounded to three decimal places. Do not include units with your answer.

    asked by Sirena
  163. Physics

    Light falls on a double slit with slit separation of 2.19 × 10 −6 m, and the first bright fringe is seen at an angle of 12.7 ◦ relative to the central maximum. What is the wavelength of the light? Answer in units of nm Can the person post the steps

    asked by Angel
  164. Physics

    A horizontal segment of pipe tapers from a cross sectional area of 50 cm2 to 0.5 cm2. The pressure at the larger end of the pipe is 1.26 105 Pa and the speed is 0.029 m/s. What is the pressure at the narrow end of the segment? Pa Please help! physics -

    asked by Malika
  165. math

    What equilateral triangle would have the same area as a triangle with side 6, 8 and 10?

    asked by Baba Don Cooler
  166. Physics

    A block of wood, with density 828 kg/m3 , has a cubic shape with sides 0.340 m long. A rope of negligible mass is used to tie a piece of lead to the bottom of the wood. The lead pulls the wood into the water until it is just completely covered with water.

    asked by Akbar
  167. Physics

    A house with its own well has a pump in the basement with an output pipe of inner radius 6.4 mm. Assume that the pump can maintain a gauge pressure of 420 kPa in the output pipe. A showerhead on the second floor (7.5 m above the pump's output pipe) has 38

    asked by Angelina
  168. Chemisty

    A patient has been trying to achieve total blood cholesterol of 175 mg or less per 100 mL. A recent test result of a 3 mL blood sample found that 4.95 mg cholesterol were present. Has the patient reached the goal?

    asked by Wyatt
  169. Chemisty

    How many milliliters of 5.50 M HCl must be diluted to make 350. mL of a 0.500 M solution?

    asked by Wyatt
  170. Chemisty

    25.0 mL of 0.250 M MgCl is transferred to a 300.0 mL volumetric flask and diluted to the mark with deionized water. What is the concentration of the dilute solution?

    asked by Wyatt
  171. Math 3rd grade

    Fred needs to do quite a few errands. He needs to stop by the cleaners, the post office, the hardware store, and the bank. There are a number of ways he can tackle his list of stops. How many ways can he accomplish his tasks?

    asked by Andrea
  172. Geometry

    Right triangle ABC has an area of 32^3 cm^2. The measure of

    asked by Cassie
  173. Geometry

    An equilateral triangle has a perimeter of 120 inches. What is the area of the triangle? Express your answer in simplest radical form.

    asked by Cassie
  174. english

    write a paragraph of 5-7 sentences to explain how to study for a test. Include at least one single word adjective, one single word adverb, two adjective prepositional phrases and two adverb prepositional phrases. Make sure you identify the adjective,

    asked by meme
  175. Geometry

    a soccer goal is 24 feet wide. point a is 40 feet in front of the center of the goal. point b is 40 feet in front of the right goal post. from which point would you have a better chance of scoring a goal?

    asked by Chuck
  176. Pyreenes Mountain Range

    Are there are col fields a long the Pyrenees Mountain range?

    asked by &#9829;rebel•stupidity=kathy&#9829;
  177. Algebra 2

    which of the following are not polynomials? A. x^4+ πx^3+√2x B. 3x+x^4 C. 4x^3+2x^2+ √x D. 2x^3/5-x/3+π E.x/4-5/x+10

    asked by Nancy
  178. Chemistry

    Determine the mass of calcium hydroxide produced when calcium carbide (CaC2) reacts with 0.64 grams of water according to the following balanced chemical equation: CaC2 + 2H2O -> Ni(OH)2 + NaNO3

    asked by Halie
  179. to ms.sue

    thank you ms.sue.i will remember you forever! here's a special poem for you! ms.sue, she's my favorite teacher too. she gives me ideas, mama-mia. sometimes I ask her questions twice, she is super nice. give a hip hip hooray, today, for the best volunteer,

    asked by Celest
  180. to ms.sue

    i have one more question.it says which team is better, lions: 6 of 8 cyotes: 8 of ten i know the answer is that no team is better because their both the same. how do i explain it why?

    asked by Celest
  181. physics

    Touch a 5000-V charged balloon and you're not harmed because, although the energy/charge ratio is high, there is ____________________. A) very little conduction of electricity.B) very little energy on the balloon.C) no way this large amount of energy can

    asked by Kristie
  182. Social Studies 7R - Bill of Rights Project

    What are the 8 amendments and what are their jobs (that includes interesting facts)? Is their a website for that. Plus make sure it's on a 7th grade social studies level. Thank You! :)

    asked by Laruen
  183. SS Help!

    The 2nd amendment is "the right of the people to keep and use bear arms". what does Right to keep and bear arms means??? (please tell in a 7th grade level)

    asked by Laruen
  184. 6th geo

    a prominent physical feature along the west coast of england is th

    asked by &#9829;rebel•stupidity=kathy&#9829;
  185. Chemistry

    If you have 250 mL of 2 M of sodium sulfate diluted to make 0.500 M of sodium sulfate, how would you figure out the volume?

    asked by Julia
  186. science

    1. As a sample of matter is cooled, which property of its particles increases? (1 point)average kinetic energy pressure buoyancy cohesive forces 2. Kinetic energy is the _____ of motion. (1 point)temperature energy heat state 3. Substances that have a low

    asked by NIKE
  187. Intermediate algebra

    Find the product.(x-7)(x+7)

    asked by Lueshelle
  188. Chemistry

    HOBr (aq) H+ (aq) + OBr- (aq), Ka = 2.3 x 10^-9 Hypobromous acid, HOBr, is a weak acid that dissociates in water, as represented by the equation. (a) Calculate the value of [H+] in a solution of HOBr that has a pH of 4.95. Ans: 1.1 * 10^-5 M (b) Write the

    asked by Confused
  189. Intermediate algebra

    Essay.show work Find the following product.(y-10)^2

    asked by Lueshelle
  190. intermediate algebra

    Short answer.The lenght of the side of a rectangular desk is given by 5x-8y cm.The lenght of the front is given by 5x+8y cm.What is the algebraic expression for the are of the top of the rectangular desk?Include the correct units as part of your answer

    asked by Lueshelle
  191. Math

    If a tire rotates at 150 revs/min when the truck is travelling 40km/h, what is the circumference of the tire? 4.44 meters

    asked by Jarrod
  192. to ms.sue

    thank u so

    asked by Celest
  193. Physics

    in an impulse/ change in momentum problem where mv(final)-mv(initial)=Ft if the initial velocity is zero can i cancel out the masses?

    asked by Emily
  194. ms.sue

    can you give me an easy way how to find percentages these ways: _____% of ___?_____ = ___?____ __?___ of ________=_________

    asked by Celest
  195. physics

    a 15 kg bucket is raised to paint a ladder with an acceleration of 3 m/s.^2 what is the tension in the rope?

    asked by Leah
  196. calculus test corrections. 1 question

    Find the minimum value of f(x, y) = y – x + 1 for the polygonal convex set determined by this system of inequalities. x > 0 y > 0 2x + y< 4 the answer is -1. please tell me why

    asked by jonna
  197. math

    Sonya spent 3/8 of her money and then $15 left. How money did Sonya originally have?

    asked by tati
  198. 8th grade math

    The amount of vitamin c in the breakfast cereal varies directly with the serving size. If 1 and 1/4 cups of cereal provides 10% of the recommended daily value of vitamin c, what percent of the recommended daily value of vitamin c is in two cups of cereal?

    asked by Lizzy
  199. physics

    Calculate the net charge on a substance consisting of a combination of 4.3 multiplied by 1013 protons and 2.5 multiplied by 1013 electrons.

    asked by brooke
  200. math

    ________% of 16= 12 ________% of 24= 6

    asked by Celest
  201. physics

    At the point of fission, a nucleus of 235U that has 92 protons is divided into two smaller spheres, each of which has 46 protons and a radius of 5.08 multiplied by 10-15 m. What is the magnitude of the repulsive force pushing these two spheres apart?

    asked by brooke
  202. calculus test corrections. 1 question

    Which is true for the graph of x^2-9/x^2-4 the answer is vertical asymptotes at x = ±2 but i don't understand why.

    asked by jonna
  203. physics

    An alpha particle (charge = +2.0e) is sent at high speed toward a gold nucleus (charge = +79e). What is the electric force acting on the alpha particle when the alpha particle is 1.7 multiplied by 10-14 m from the gold nucleus? N

    asked by brooke
  204. Chemistry

    Hydrogen Peroxide decomposes to produce oxygen gas and water, What mass of hydrogen peroxide (H2O2) nust decompose to produce 0.77 grams of water?

    asked by whale
  205. mechanics of machines

    A body of weight 500N is lying on a rough plane inclined at angle 3.2 with the horizontal. It is supported by an effort p, parallel to the plane. Determine the minimum and maximum value of P, for which the equilibrium can exist if the angle of friction is

    asked by mustapha
  206. Math

    The time it takes Javier to go to school and his walking rate are inversely proportional. If it takes him 12 mins walking at 3 mph how long does it take if he walks at 4 mph?

    asked by Lizzy
  207. HELPPP~Reading! ! !

    Can you PLEASE PLEASE PLEASE PRITTY PLEASE WITH A CHERRY ON TOP help me find a link that will give me the meanings of idioms?

    asked by Lily Palmer
  208. physics

    A charge of 2.1 nC and a charge of 4.7 nC are separated by 57.90 cm. Find the equilibrium position for a -4.7 nC charge. _______________cm from the 2.1 nC charge. i know you have to use coulomb's law but how can i use it

    asked by jared
  209. CHEM

    When 0.5 mole of CO2 and 0.5 mole of H2 were forced into a litre reaction container, and equilibrium was established: CO2(g) + H2(g) H2O (g) + CO (g) Under the conditions of the experiment, K=2.00 a) Find the equilibrium concentration of each reactant and

    asked by Anonymous
  210. to Lizzy and ms.sue

    thank you lizzy. thank you ms.sue.your strategy really helps me alot faster and easier.

    asked by Celest
  211. Ms, Sue help me in science

    1. As a sample of matter is cooled, which property of its particles increases? (1 point)average kinetic energy pressure buoyancy cohesive forces 2. Kinetic energy is the _____ of motion. (1 point)temperature energy heat state 3. Substances that have a low

    asked by NIKE
  212. algebra

    In the formula p(x) = -.1x^2 + 50x -300, could you describe the meaning of the number -.1 and -300 in the formula?

    asked by Anonymous
  213. math

    what is the derivative of y=ln(x/4)

    asked by help
  214. Physics

    A house with its own well has a pump in the basement with an output pipe of inner radius 6.4 mm. Assume that the pump can maintain a gauge pressure of 420 kPa in the output pipe. A showerhead on the second floor (7.5 m above the pump's output pipe) has 38

    asked by Angelina
  215. 8th grade math

    If the formula D(x,y) = (.7x,.7y) is applied to pre-image point (5, -7), what is the image point?

    asked by Piggy
  216. Discrete Mathematics

    It was proven during the previous lecture that 1+2+3+....+n=[n(n+1)]/2. Using that result, find the sum of all 3-digit palindromes: a palindrome is a number that can be written as ABA, where 1=

    asked by Eric
  217. 8th grade math

    The dimensions of a rectangular prism are all whole numbers greater than 1". If the volume is 165 cu", and the height is 5", what is the perimeter of the base?

    asked by Piggy
  218. 8th grade math

    Two towers are similar. The area of the larger tower is 400 pi ft^2 and the area of the smaller tower is 169 pi ft^2. What is the ratio of the heights of the towers?

    asked by Piggy
  219. Ms. Sue- thank you

    Ms. Sue. I just wanted to say I think you are a very helpful, nice,smart and intelligent woman. Thanks for your help. :) Thank You SO Much!!!

    asked by &#9829;rebel•stupidity=kathy&#9829;
  220. chemistry

    Calculate the pH of the resulting solution if 30.0 mL of 0.300 M HCl(aq) is added to (a) 35.0 mL of 0.300 M NaOH(aq). (b) 40.0 mL of 0.350 M NaOH(aq).

    asked by anon
  221. Statistics

    Cellular Phone Sales The probability that a cellular phone company kiosk sells X number of new phone contracts per day is shown below. Find the mean, variance, and standard deviation for this probability distribution. X 4 5 6 8 10 P (X) 0.4 0.3 0.1 0.15

    asked by Victor
  222. physics

    The weightless horizontal bar in the figure below is in equilibrium. Scale B reads 4.00 kg (N.B. as you know, the scale should read N, but no one told the manufacturer). The distances in the figure (which is not to scale) are: D1 = 9.0 cm, D2 = 8.0 cm, and

    asked by James
  223. physics

    The system in the Figure is in equilibrium. A mass M1 = 242.0 kg hangs from the end of a uniform strut which is held at an angle theta = 41.0o with respect to the horizontal. The cable supporting the strut is at angle alpha = 27.0o with respect to the

    asked by James
  224. ETHICS

    a 350- to 700-word essay comparing the similarities and differences between virtue theory, utilitarianism, and deontological ethics. Include the following in your essay: • A description of the differences in how each theory addresses ethics and morality

    asked by Anonymous
  225. physics

    The volume of a gas is 2.6 L and its temperature is 338 K . If the volume of the container were changed to 3.2 L, what temperature would the gas be? (All other values remain constant.)

    asked by jwayne
  226. Chemistry

    Arrange these acids in terms of increasing acidity: CH3COOH, NH3+CH2COOH, CH3CONHCH2COOH Dr.Bob asked me what NH3+CH2COOH is.NH3+CH2COOH is obtained when 1 mol of glycine is added with a very strong acid,which results in both the amino & carboxyl groups to

    asked by Meenaakshi
  227. Accounting

    $10,000,000 face value, zero coupon bonds due in 20 years, priced on the market to yield 8% compounded semiannually.

    asked by Bryan
  228. Math

    Write these in factored form? 12 +6x x+x+x+6 x^2 + 3x x^2 + 4x +3 Combine like terms? 3x + 4x 11 + 5 + 2x + 6x 3x -2 - x + 9 7x - 8 - 11x x^2 + 2 + 7x + 4 - x x + 5x + x^2 + 3 + 2x^2 I don't really understand it so if you could help me, thaanks c:

    asked by Mika
  229. Science

    Which answer best describes the purpose of the muscles in the human body? A)to protect tissues and form blood B)to remove and use nutrients from food C)to produce movement and provide support D)to combine blood and oxygen needed for movement

    asked by Sally urgenttt
  230. algebra

    Find three ordered pairs that satisfy the equation. y = x + 2

    asked by Randy
  231. ALGEBRA

    Assume f(x) = x2 + 3. Find the functional value requested. f(-7)

    asked by Randy
  232. ALGEBRA

    Find three ordered pairs that satisfy the equation. y = 5 x - 4 (0, ), (1, ), (2, )

    asked by Randy
  233. Physics

    A block of wood, with density 828 kg/m3 , has a cubic shape with sides 0.340 m long. A rope of negligible mass is used to tie a piece of lead to the bottom of the wood. The lead pulls the wood into the water until it is just completely covered with water.

    asked by Akbar
  234. Physics

    A horizontal segment of pipe tapers from a cross sectional area of 50 cm2 to 0.5 cm2. The pressure at the larger end of the pipe is 1.26 105 Pa and the speed is 0.029 m/s. What is the pressure at the narrow end of the segment? Pa Please help! physics -

    asked by Malika
  235. 6th geo

    The Welsh language is an important reason why Wales is a unique part of the United Kingdom. After reading about the origins of the Welsh language and how it’s used today, describe two steps being taken to preserve the language and ensure its future.

    asked by &#9829;rebel•stupidity=kathy&#9829;
  236. Calculus

    Given: available material= 1200cm^2 Box w/ square base & open top Find: Largest possible value of the box Can anyone give me a detailed, step-by-step explanation for this problem. I'm studying for an exam and have been working on this for awhile. The help

    asked by M
  237. 8th grade math

    You are making a box out of an 11in by 8in piece of poster board by cutting congruent squares out of the four corners and folding up the edges. To the nearest inch, what size square should you use to maximize the volume?

    asked by Piggy
  238. 8th grade math

    A cylinder has a cone on top. The base of the cone is congruent to the base of the cylinder. The diameter of the base is 16ft. The height of the cylinder is 16ft. and the height of the cone is 9th. What is the volumeof the entire figure?

    asked by Piggy
  239. Geography

    What are some water sources for the Boreal Plains?

    asked by Griffin
  240. Math

    Tasha saw a sailboat while walking along the pier. She thinks it is the tallest sailboat she has ever seen. The shadow cast by the boat was 14 ft long, while Tasha's shadow was only 2 ft long. If Tasha is 5.5 ft tall, how tall was the sailboat, in feet?

    asked by Diana
  241. English

    Mi Liang kept painting. The waves got highte and higher. Then the waves broke the boat, and the emperor could not get back to the palace. (In this passage, what is the meaning of 'Then'? 1. At that time 2. After that 3. In that case)

    asked by rfvv
  242. Computer Science

    I am making a object oriented program and hashing the list of make of an electronic and type to the JCombobox...i am getting this number Exception error...it will nice if you could tell why am i getting it eventhough i am doing the casting and everything.

    asked by Gaurav
  243. Science

    an object will sink with a density of what?

    asked by Valerie Belegit
  244. Physics

    The figure below shows two current carrying wires and the directions of the currents they carry. The wires carry the following currents: I1 = 7.1 A and I2 = 8.9 A. Wire 1 is at (0, 5.8) mm; wire 2 is at (15.1, 0) mm; point P is at (15.1, 5.8) mm. Wire 1 is

    asked by Jessica
  245. Math 8th Grade

    What is the y-int of the graph of 4x+2y=12

    asked by Lana Von Monroe
  246. Math 8th Grade

    Which number serves as a counterexample to the statement below: All positive integers are divisible by 2 or 3 I need as much as possible.

    asked by Lana Von Monroe
  247. Math

    Find the value of csc Q for angle Q in standard position if the point at (3, –1) lies on its terminal side.

    asked by harry
  248. chemistry

    we have a bag that can hold up to 775 ml. we have baking soda and 6 molar of hydrochloric acid. how can we find out how much baking soda and acid we need so that when they react, the gas will fill the bag up just enough so that it wont pop

    asked by george
  249. chemistry

    Calculate the partial pressure of propane in a mixture that contains equal numbers of of moles of propane (C3H8) and butane (C4H10) at 20 degrees C and 844 mmHg. (R=0.082 L-atm/K mol)

    asked by Randy
  250. chemistry

    What volume will 12.0 g of oxygen gas occupy at 25 degrees celcius and a pressure of 52.7 kPa?

    asked by Anonymous
  251. Chemistry

    Calculate the partial pressure of helium in a 1.00 L flask that contains equal numbers of moles He, Ne, and Ar at a total pressure of 5.26atm

    asked by Randy
  252. Geometry

    Circle C is centered at (-4,3). Write the equation of the line tangent to circle C at point P(2,5). (point-slope form)

    asked by Kate Jenson
  253. Science

    what are two things that you must know to determine speed?

    asked by ellie
  254. math

    Suppose $5000 is deposited in a bank account that compounds interest four times per year. The bank account contains $9900 after 13 years. What is the annual interest rate for this bank account? i already set it up but i don't know where to go from there.

    asked by Patty
  255. geometry 1

    a secant-secant angle intercepts arcs that are 3/5 and 3/8 respectively. Find the measure of the secant-secant angle.

    asked by Kate Jenson
  256. English

    What trait best describes gandi

    asked by Samanatha
  257. geometry 2

    circle K has an area of 64 pi units ^2. Find the exact length of the arc intercepted by a 210 degree central angle in circle K.

    asked by Kate Jenson
  258. ALGEBRA

    Find three ordered pairs that satisfy the equation. y = x + 2

    asked by Randy
  259. ALGEBRA

    Assume f(x) = x2 + 3. Find the functional value requested. f(-7) =

    asked by Randy
  260. geometry 3

    Given: Circle O with radius of length 4 units. measurement of arc PQ=141 degrees. Find the cordinates of point P. Circle O(0,0)

    asked by Kate Jenson
  261. physics

    If the string in one of the panels of the figure below is vibrating at a frequency of 5.0 Hz and the distance between two successive nodes is 0.39 m, what is the speed of the waves on the string?

    asked by Anonymous
  262. ALGEBRA

    $$ x = \dfrac{1}{{\color{red}2}} y^2 $$

    asked by Randy
  263. SS7R - Bill of Rights Project

    3rd Amendment In the 3rd Amendment homeowners don’t have to put of soldiers in their homes. No soldier shall, in time of peace be quartered neither in any house, without the consent of the owner, nor in time of war, but in a manner to be prescribed

    asked by Laruen
  264. accounting

    What items appear in financial statements of merchandising companies that do not appear in the financial statements of service companies? Why is there a difference?

    asked by Mar
  265. chemistry

    The decomposition of potassium chlorate, KClO3, gives oxygen gas and solid potassium chloride. How many grams of KClO3 are needed to produce 5.00 L of Oxygen gas at STP? Suppose that the reaction described above produces 4.80 L of O2 in the laboratory.

    asked by Emily
  266. Physics

    A stream moving with a speed of 0.5 m/s reaches a point where the cross-sectional area of the stream decreases to one-fourth of the original area. What is the water speed in this narrowed portion of the stream?

    asked by Zion
  267. Chemistry

    I need help ASAP! Colligative Properties- Ethylene glycol (C2H6O2) is the principal ingredient in antifreeze. How many grams of ethylene glycol will be needed to lower the freezing point of 2100 grams of water by 20 degrees celcius?

    asked by Kelsey
  268. accounting

    Discuss the ethics of what Amy is doing. Are there any consequences to her actions? How does the store account for Amy’s returns?

    asked by Mar
  269. english 2

    What is the correct way to write this sentence? Also with it being on the internet people will be able to buy it immediately instead of having to wait.

    asked by Anonymous
  270. Math 8th Grade

    The chart below shows an expression evaluated for four different values of x x: x2+x+5: 1 7 2 11 6 47 7 61 Josiah concluded that for all positive values of x, x2+x+5 produces a prime number. Which value of x serves as a counterexample to prove Josiah’s

    asked by Lana Von Monroe
  271. chemistry

    Is calcium oxalate, CaC2O4, soluble in water?

    asked by slim
  272. Chemistry

    I did a chem lab and now im not sure if im doing my calculations right .. Please help? So i have to find out what ƒÉ will equal when i use the equation ƒÉ=d*(a/ãa^2+b^2) in my experiment i found out that a equals 108 cm, d and b were given to me ..

    asked by Cindy
  273. Chemistry

    I did a chem lab and now im not sure if im doing my calculations right .. Please help? So i have to find out what ƒÉ will equal when i use the equation ƒÉ=d*(a/ãa^2+b^2) in my experiment i found out that a equals 108 cm, d and b were given to me ..

    asked by Cindy
  274. math

    two billion,six hundred million in expanded notation using powers of 10 (2x 10^11) + (6x10^8) would that be correct??

    asked by jill
  275. physics

    A sound wave with intensity 37 mW/m2 interferes constructively with a sound wave that has an intensity of 18 mW/m2. What is the intensity of the superposition of the two?

    asked by opp
  276. math

    Sharon brought 12 apples to the picnic. After the picnic, 2 apples were left. What fraction of the apples were eaten.

    asked by Sue
  277. Physics Please help

    A block of wood, with density 828 kg/m3 , has a cubic shape with sides 0.340 m long. A rope of negligible mass is used to tie a piece of lead to the bottom of the wood. The lead pulls the wood into the water until it is just completely covered with water.

    asked by Akbar
  278. physics

    How many grams of KOH are required to neutralized 300ml of 5.0 N HN03 solution? final answer nyan 84 grams kailangan nalang namen ng solution

    asked by jhon earl
  279. physics

    n a double-slit experiment, two different wavelengths of monochromatic light are used, one wavelength is known and the other is unknown. When the known wavelength (480 nm) is projected through the slits the third-order maximum is located 12 mm from the

    asked by lar
  280. Chemistry

    Ammonia (NH3) boils at -33oC; at this temperature it has a density of 0.81 g/cm3. The enthalpy of formation of NH3(g) is -46.2kj/mol, and the enthalpy of vaporization of NH3(l) is 23.2 kJ/mol. Calculate the enthalpy change when 1 L of liquid NH3 is burned

    asked by Morgan