Questions Asked on
March 20, 2013

  1. Pre-Algebra

    1. What data are represented by the stem-and-leaf plot below? 3 | 7 8 9 4 | 1 3 7 5 | 2 4 Key: 4 | 1 means 41 a. 37, 38, 39, 41, 43, 47, 52, 54 b. 73, 83, 93, 14, 34, 74, 25, 45 c. 7, 8, 9, 1, 3, 7, 2, 4 d. 37, 38, 39, 14, 34, 74, 25, 45 2. Find the mode

    asked by Janessa
  2. statistics

    Jim Tree sells trees. The mean length of the trees purchased was 68 inches with a standard deviation of 10 inches. Jim wants to know what percent of his sales were more than 84 inches tall. He can use the standard normal distribution to help him. He asks,

    asked by Jessie
  3. Math Ms. Sue please

    1. What type of graph does not show the number of times a response was given? (1 point) box-and-whisker plot line plot stem-and-leaf plot bar graph 2. Which of the following types of information is suited for display on a scatter plot? (1 point)

    asked by Delilah
  4. Lang, Arts

    1.Which of the following would always require a citation in a research paper? A.Thesis statement B.an anecdotal experience C.a quotation D.a humorous statement I think it is C...? 2. Which of the following shows the correct parenthetical citation for

    asked by cassie
  5. chemistry

    Mixtures of helium and oxygen are used in scuba diving tanks to help prevent ‘the bends’, a condition caused by nitrogen bubbles forming in the bloodstream. If 95 L of oxygen and 25 L of helium at STP are pumped into a scuba tank with a volume of 8.0

    asked by alex
  6. Chemistry

    A 5.0-g Sample of KBr at 25.0 degrees celsius dissolves 25.0 mL of water also at 25.0 degrees celsius. The final equilibrium temperature of the resulting soltution is 18.1 degrees celsius. What is the enthalpy of of solution in kilojoules per mole of KBr?

    asked by Sam
  7. Math

    What type of graph does not show the number of times a response was given? (1 point) a.box-and-whisker plot b.line plot c.stem-and-leaf plot d.bar graph I choose c is that correct

    asked by Giaaa
  8. Chemistry

    Which of the following pairs would make a good buffer solution in an aqueous solution? A) H2SO4 and NaHSO4 B) Ca(NO3)2 and HNO3 C) HCl and NaCl D) HF and NaOH E) none of them I know the answer is D but I don't understand why. I would think it would be C

    asked by Jonah
  9. calculus

    1. The radius of a sphere is r inches at time t seconds. Find the radius when the rates of increase of the surface area and the radius are numerically equal. A 1/4π in B 1/5π in C 1/3π in D 1/8π in E 1/2π in

    asked by Anonymous
  10. math

    Given interest of $11,900 at 6 percent for 50 days (ordinary interest), one can calculate the principal as: (Points : 1) $1,428,005.70 $4,128,005.70 $1,428,05.70 $1,420.70 None of these

    asked by Anonymous
  11. Math

    Find the speed of a point on the rim of a 24cm diameter fly wheel which is turning at 2800 revolutions per minute. Give your answer in meters per second.

    asked by Emily
  12. physics

    A man lifts various loads with the same lever. The distance of the applied force from the fulcrum is 2.00 m and the distance from the fulcrum to the load is 0.500 m. A graph of resistance force vs. effort force is shown. What is the mechanical advantage of

    asked by Rachel
  13. Chemistry

    Why is a dilute solution of boric acid H3BO3 used as an eyewash? How does it work in cleansing the eye from chemicals?

    asked by Jonah
  14. Physics

    A layer of oil (n = 1.45) floats on an unknown liquid. A ray of light originates in the oil and passes into the unknown liquid. The angle of incidence is 64.8 degrees, and the angle of refraction is 68.0 degrees. What is the index of refraction of the

    asked by Tonya
  15. Physics

    A stuntman is being pulled along a rough road at a constant velocity by a cable attached to a moving truck. The cable is parallel to the ground. The mass of the stuntman is 110 kg, and the coefficient of kinetic friction between the road and him is 0.825.

    asked by Kelly
  16. Statistics 250

    What is the probability of randomly selecting a z-score less than z = –0.80 from a normal distribution. a)-0.2119 b)0.7881 c)0.2119 d)-0.7881

    asked by Jane Segurra
  17. physics

    A 5 kg ball rolls off a 34 m high cliff, and lands 29 m from the base of the cliff. Express the displacement and the gravitational force in terms of vectors and calculate the work done by the gravitational force. Note that the gravitational force is < 0,

    asked by Anonymous
  18. Algebra

    Remember to show all of the steps that you use to solve the problem. Use the comments field to explain your work. A survey about the student government program at a school finds the following results: 190 students like the program 135 students think the

    asked by Secret
  19. Math

    As many 8cm diameter discs as possible are cut from a sheet of rectangular cardboard measuring 170cm by 90cm. Find the area of the sheet that is left.

    asked by Emily
  20. Writing

    Compare how beaver stole fire and stealing fire from Zeus are the same

    asked by Zack
  21. English

    In which sentence is the underlined word a past participle? Melted rock can explode or flow from different types of volcanoes. Having been warned of a possible eruption, the people left their town at the base of the volcano. Flowing lava from a volcano is

    asked by Jake
  22. math

    tina completed 2/3 of her homework george completed 7/8 of his homewor who completed a greater fraction of homework?

    asked by kristiana
  23. Chemistry

    A solution of aniline(C6H5NH2, Kb=4.2x10^-10) has a pH of 8.69 at 25 Celsius. What was the initial concentration of aniline? I have so far don't know if it's right: *. [H3O]=10^-8.69=2x10^-9 * 4.2x10^-10=(2x10^-9)^2 / x X=1.2x10^-8 (correct???)

    asked by V
  24. PHYSICS - PLEASE HELP

    A 1.00 kg pendulum bob is released from a height of 0.200 m. Its speed at the bottom of its swing is 1.95 m/s on the first pass. How much energy is lost due to friction during one complete swing of the pendulum? I get Ep=mgh 0.2*9.8*1 =1.96 then i get

    asked by Manboob
  25. Math

    A lorry travels at 50km/h. Given that the diameter of its wheel is 88cm, find how many revolutions per minute the wheel is turning. Given your answer to the nearest whole number.

    asked by Emily
  26. physics

    Two charges, qA and qB, are separated by a distance, d, and exert a force, F, on each other. Analyze Coulomb's law and answer the following questions. (a) What new force will exist if qA is doubled? (b) What new force will exist if qA and qB are cut in

    asked by Billy
  27. Science

    Miguel is skipping rocks across the surface of a lake. After he throws it, each stone goes through the following motions: I. the stone moves toward the water II. the stone hits the surface of the water and bounces off III. gravity pulls the stone back

    asked by Lovely Mallory
  28. algebra 1

    write in scientific notation and standard form. (1.9x10 to the second power)times (4.7x10 to the 6th power) how do you do this?

    asked by Anonymous
  29. accounting

    Andy, an inexperienced accountant, had to account for his company's purchase of a motorcar on credit. Unsure of the correct accounting entries, Andy debited the supplier's account and credited the motor expenses account. Was Andy correct?

    asked by Anonymous
  30. chem

    For the indicated atom in each of the following molecules or ions, give the number and arrangement of the electron pairs around that atom. (a) As in AsO43- number: arrangement: linear bent trigonal planar square planar tetrahedral (b) Se in SeO42- number:

    asked by jack
  31. Finance

    The most recent financial statements for Retro Machine, Inc., follow. Sales for 2010 are projected to grow by 20 percent. Interest expense will remain constant; the tax rate and the dividend payout rate will also remain constant. Costs, other expenses,

    asked by cj
  32. physical

    An electric field with a magnitude of 3.50 kN/C is applied along the x axis. Calculate the electric flux through a rectangular plane 0.350 m wide and 0.7 m long assuming that (a) the plane is parallel to the yz plane; (b) the plane is parallel to the xy

    asked by abc
  33. Chemistry

    On Easter Sunday, April 23, 1983, nitric acid (HNO3) spilled from a tank car near downtown Denver, Colorado. The spill was neutralized with sodium carbonate (Na2CO3). 2HNO3(aq) + Na2CO3(s) -> 2NaNO3(aq) + H2O(l) + CO2(g) deltaH=-69.0kJ a. How much heat is

    asked by K
  34. maths

    12 MEN AT A CAMP HAVE FOOD TO LAST 10 DAYS. IF 3 MEN JOIN THE CAMP.HOW LONG WILL THE FOOD LAST?

    asked by ANGIE
  35. Lang. Arts

    4. Which of the following would not always require a citation in a research paper? A.quotation of a phrase B.quotation of a sentence C.sentence paraphrased from a book D.thesis statement I think this is C or D...? any suggestions? Thanks 5. Which of the

    asked by cassie
  36. CHEMISTRY

    1. What is the vapor pressure at 25°C of a solution of 1.20g of nephtalene C10H8 in 25.6g of benzone C6H6? The vapor pressure of pure benzene at 23°C is 86.0mmHg the vapor pressure of naphthalene can be neglected. Calculate the vapor pressure lowering of

    asked by N COMAS
  37. maths-circles

    ABCD is a rectangle the line through C perpendicular to AC meets AB produced at X and AD produce at Y . Prove that DBXY are concyclic

    asked by anoynomous
  38. chemistry

    CuSO4+4NH3-Cu(NH3)4SO4 a. if you use 10.0g 0f CuSO4 and excess NH3, What is the theoretical yield of Cu(NH3)4SO4? b. if you produce 12.6g of Cu(NH3)4SO4, What is the percent yield of the compund?

    asked by Yaneth
  39. physics

    1. A piece of rectangular block weighing 5 kg is pressed on a vertical wall by a horizontal force applied to the block. If the coefficient of friction between the block and the wall is 2.0, what force is necessary to keep the block in place? 2. If the

    asked by ruby
  40. chemistry

    The mole fraction of oxygen in air is 0.209. Assuming nitrogen is the only other constituent, what are the partial pressures (in torr) of oxygen and nitrogen when the barometer reads 780 torr?

    asked by alex
  41. Chemistry

    7. A solution is prepared by dissolving 8.5 g NaHCO3 and 12.7 g Na2CO3 in 500.0 mL of water. Calculate the pH.

    asked by Nick
  42. science

    answer check?? 1) What two tissues are found within a vein? Xylem and Phloem. 2) What does the word "Mesophyll" mean? Middle Leaf. 3) What two layers of the plant contain chloroplasts? Palisade layer and Spongy layer. 4) The outermost layer of a cell:

    asked by sami doodles :-)
  43. English

    Which senses are appealed to in these lines from Macbeth? Nay, had I pow'r, I should / Pour the sweet milk of concord into hell, / Uproar the universal peace… A. smell, taste, and touch B. hearing, sight, and smell C. sight, taste, and hearing D.

    asked by Olivia
  44. Chemistry

    Calculate the volume of oxygen starndad temperature and pressure which theoretically could be obtained from the 50cm3 of the solution of hydrogen peroxide containing 68g/dm3

    asked by Adulkarim
  45. math

    two third of a blueberry pie is left in the refrigerator. If the leftover pie is cut in 6 equal size, which fraction of the original pie is each slice

    asked by jennifer
  46. Pre-Algebra

    Find the mean of the following data set: 25, 30, 20, 20, 25, 35, 35, 10 a. 15 b. 20 c. 25 d. 30 My Answer: b. 20

    asked by Janessa
  47. physics

    The figure below shows a collection of wires. The currents at the numbered points are: I1 = 2.4 mA right; I2 = 3.6 mA down; I3 = 0.60 mA right; I4 = 4.0 mA up; and I5 = 1.6 mA up. i. imgur. com/SCyljHG. png a. What is the current at point A (size and

    asked by k
  48. PHYSICS HELP!

    The drawing shows a square, each side of which has a length of L = 0.25 m. Two different positive charges q1 and q2 are fixed at the corners of the square. Find the electric potential energy of a third charge q3 = -5 x 10-9 C placed at corner A and then at

    asked by Sarah
  49. Chemistry

    How many milliliters of 6.50 M HCl(aq) are required to react with 5.95 g of an ore containing 35.0% Zn(s) by mass?

    asked by Robert
  50. HELP

    On a cold winter day, the outside temperature is –5.0 °C while the interior of a well-insulated garage is maintained at 20.0 °C by an electric heater. Assume the walls have a total area of 75 m2, a thickness of 0.15 m, and a thermal conductivity of

    asked by amy
  51. Chemistry

    7. A solution is prepared by dissolving 8.5 g NaHCO3 and 12.7 g Na2CO3 in 500.0 mL of water. Calculate the pH.

    asked by Nick
  52. maths

    solve 2x+3y=13 with 4x+5y=23

    asked by aisha
  53. psychology statistics for behavioral sciences

    A multiple-choice test has 48 questions, each with four response choices. If a student is simply guessing at the answers, a. What is the probability of guessing correctly for any question? b. On average, how many questions would a student get correct for

    asked by gina
  54. Physics Heat

    1) While Laurie is boiling water to cook spaghetti, the phone rings, and all 1.5 kg of water boils away during her conversation.If the water was initially at 15℃, how much heat must have been gained for all of it to turn into a water vapor? 2)By January,

    asked by Isis
  55. algebra2

    A farmer has 600 yards of fence. He will use some of the fence to enclose a rectangular area. He will use the rest divide the area into two congruent rectangles. What is the value of x that results in largest area? What is the largest area that the farmer

    asked by regina
  56. Chemistry

    Repost:: sorry couldn't understand it What is the concentration of C2O4^-2 in a 0.370M oxalic acid solution? Ka1=5.6x10^-2 and Ka2=5.1x10^-5

    asked by V
  57. Chemistry

    1) What volume of 1.25 mol/L hydrobromic acid, HBr(aq) will neutralize 75.0 ml of 0.895 mol/L magnesium hydroxide Mg(OH)2(aq)? 2) a 25.00 mL sample of a nitric acid solution , HNO3(aq) is neutralized by 18.55mL of a 0.1750 mol/L sodium hydroxide, NaOH(aq)

    asked by Katlyn
  58. Physics

    A small block of mass m slides along the frictionless loop track,if it starts from rest at point p,what us the resultant force acting on it at q?

    asked by Anonymous
  59. math

    If you have a circular flower bed that has a diameter of 18 feet. How many square feet of the yard is covered by the flower bed? help please !

    asked by nygeria
  60. Chemistry

    Repost .. Saccharin is a weak organic base with a Kb of 4.8X10^-3. A 0.672-g sample of saccharin dissolved in 30.0mL of water had a pH of 12.34. What is the molar mass of saccharin?

    asked by V
  61. Physics

    A tire 2.0 ft in diameter is placed on a balancing machine where it is spun so that its tread is moving at a constant speed of 51 mph. A small stone is stuck in the tread of the tire. What is the acceleration of the stone as the tire is being balanced?

    asked by Nikki
  62. chemestiry

    Al2(SO4)3(aq) + BaCl2(aq) BaSO4(s) + AlCl3(aq) Consider the unbalanced equation above. A 0.680 g sample of impure Al2(SO4)3 reacts with excess BaCl2. If the sample produces 0.530 g of BaSO4, what is the mass percent of Al2(SO4)3 in the sample?

    asked by edi
  63. Chemistry

    How many grams of C6H12O6 must be added to 0.750 kg of water to make a 1.25 m solution?

    asked by Samantha
  64. Biology DNA

    What are the components of DNA and how is the backbone of a single strand of DNA constructed? I put the components as nitrogenous base, deoxyribose molecule, and a phosphate group...I don't know the second part of the question :/

    asked by Anonymous
  65. chem

    at 84 degrees Celsius , a gas in a container exerts a pressure of 0.503 ATM. assuming the size of the container remains the same, at what Celsius temperature would the pressure be 1.20 atm ?

    asked by natalee
  66. Physics

    A rescue helicopter is lifting a man (weight = 797 N) from a capsized boat by means of a cable and harness. (a) What is the tension in the cable when the man is given an initial upward acceleration of 0.711 m/s2? (b) What is the tension during the

    asked by Kelly
  67. Physics

    Heat flow question help?A brass rod with a length of 30.0 cm is placed side by side with an aluminum rod with a length of 30.0 cm and this system is placed between a hot temperature of 100°C and a cold temperature of 10.0°C. The coefficient of thermal

    asked by Amy
  68. chemestiry

    Al2(SO4)3(aq) + BaCl2(aq) BaSO4(s) + AlCl3(aq) Consider the unbalanced equation above. A 0.680 g sample of impure Al2(SO4)3 reacts with excess BaCl2. If the sample produces 0.530 g of BaSO4, what is the mass percent of Al2(SO4)3 in the sample?

    asked by edi
  69. business

    Janet took out a loan of $50,000 from Bank of America at 8 percent on March 19, 2006 which is due on July 8, 2006. Using exact interest, the amount of Janet's interest cost is: (Points : 1) $5,018.44 $2,561.44 $5,261.44 $5,216.44 None of these

    asked by Anonymous
  70. Chemistry

    Name the organic product of the following nucleophilic substitution reaction. OH+CH3CH2I

    asked by Paul
  71. Physics

    A rescue helicopter is lifting a man (weight = 797 N) from a capsized boat by means of a cable and harness. (a) What is the tension in the cable when the man is given an initial upward acceleration of 0.711 m/s2? (b) What is the tension during the

    asked by Heather
  72. physics

    You're in an auto traveling at 25.0m/s toward a pole mounted warning siren. If the siren's frequency is 365 Hz, what frequency do you hear? Use 343m/s as the speed of sound.

    asked by jess
  73. Chemistry

    Calculate the pH of a buffer solution containing 1.0 M ammonia (NH3 ; Kb = 1.8 x 10-5) and 1.0 M ammonium chloride (NH4Cl).

    asked by Nick
  74. Chemistry

    1. The reaction CO+2H2-CH3OH was carried and it is found that only 332g of CH3Oh is actually produced when 407g CH3Oh was the expected yield. What is the Percent yield? 2. If 112g of CaO is reactied with an excess of NH4Cl and 64.0g of NH3 are produced,

    asked by Nancy
  75. algebra

    find the midpoint of the line segment with endpoints (-5, _5) and (7, 9)

    asked by onia
  76. Physics

    A) With what minimum speed must you toss a 190 g ball straight up to hit the 15.0 m-high roof of the gymnasium if you release the ball 1.70 m above the ground? Solve this problem using energy. B) With what speed does the ball hit the ground?

    asked by Jenny
  77. chemistry

    The most common source of copper (\rm Cu) is the mineral chalcopyrite (\rm CuFeS_2). How many kilograms of chalcopyrite must be mined to obtain 210.g of pure \rm Cu?

    asked by Anonymous
  78. math

    a recipe for chocolate chip cookies calls for 1 1/2 cups of flower. If you are making 2 1/3 recipes, how many cups of flower are needed?

    asked by michala
  79. AlgebraB-2

    I need help with figuring out how to do these problems to get the right answer. Appreciate any help. Thanks. Multiple choice: 1. What is the value of n so that the expression x² + 12x + n is a perfect square trinomial? 6 36 72 144 2. What are the

    asked by Jennifer W.
  80. Math

    A 6 ounce package of fruit snacks contains 45 pieces. How many pieces would you expect in a 10 ounce package?

    asked by Anonymous
  81. Physics

    A) With what minimum speed must you toss a 190 ball straight up to hit the 15.0 -high roof of the gymnasium if you release the ball 1.70 above the ground? Solve this problem using energy. B) With what speed does the ball hit the ground?

    asked by Jenny
  82. chemestiry

    Al2(SO4)3(aq) + BaCl2(aq) BaSO4(s) + AlCl3(aq) Consider the unbalanced equation above. A 0.680 g sample of impure Al2(SO4)3 reacts with excess BaCl2. If the sample produces 0.530 g of BaSO4, what is the mass percent of Al2(SO4)3 in the sample?

    asked by edi
  83. Physics

    The drawing shows a square, each side of which has a length of L = 0.25 m. Two different positive charges q1 and q2 are fixed at the corners of the square. Find the electric potential energy of a third charge q3 = -5 x 10-9 C placed at corner A and then at

    asked by Sarah
  84. chemistry

    Nitric acid can be prepared from ammonia by the following steps; 4nh3 + 5o2 = 6h2o + 4no 2no + O2 = 2no2 2no2 + h2o = hno3 + hno2 3hno2 = hno3 + 2no + h2o If all the steps take place consecutively, completely and without recycling, what mass of ammonia is

    asked by Agashre
  85. Math

    Find the median mode and range for each set of data. 1.11,18,19,20,20,23 Median=19.5 Mode=20 Range=12 2.52,56,60,67 Median=58 Mode=No mode Range=15 3.6.6,7.5,7.5,7.8,8.0 MEdian=7.5 Mode=7.5 Range=1.4 4.89,91,92,92,95 Median=92 Mode=92 Range=6 5.18,23,23,25

    asked by Jerald
  86. statistics

    The program plans to acquire a total of 600 end items costing $570 million over a five-year period. The first production contract is to be awarded in FY04. The number of items to be procured (not delivered) each year and their estimated cost (in then-year

    asked by CHUCK
  87. math

    A girl 1.6 m tall, stands 3.6 m from a lamp post at night. Her shadow from the light is 0.9m long. How high is the lamp post?

    asked by Chris
  88. physics

    a 3 m long weightless beam is supported at each end by cables. a painter weighing 90 N stands 1 m from the left cable. Calculate the tension in each cable.

    asked by markcampo
  89. algebra

    The total charge for a taxi ride includes an initial fee of $2.75 plus $2.25 for every 1/2 mile traveled. Joe took a taxi, and the ride cost him $56.75. How would this be put in a equation? Show your work.

    asked by syram
  90. basic english makeup

    PLEASE HELP ME THESE THE ONLY ONES I COULDNT FIND THANK U SO MUCH 1.Which of the following is not a key consideration when developing a piece of writing? A.The timeliness of the message B.The purpose of the message C.The intended audience D.The format of

    asked by Brica89
  91. Chemistry

    1) What volume of 1.25 mol/L hydrobromic acid, HBr(aq) will neutralize 75.0 ml of 0.895 mol/L magnesium hydroxide Mg(OH)2(aq)? 2) a 25.00 mL sample of a nitric acid solution , HNO3(aq) is neutralized by 18.55mL of a 0.1750 mol/L sodium hydroxide, NaOH(aq)

    asked by Krystien
  92. Biology

    Research and discuss an event in Charles Darwins' life that lead to his theory of evolution. Events could be directly in Charles Darwin's life or could be individuals whose ideas Darwin incorporated into his work. Besides the voyage to Beagle and the visit

    asked by Ashley
  93. chemistry

    How many mL of 0.40M NaOH are need to neutralize 30.0 mL of 0.50 M H2SO4 according to the following reaction. 2NaOH(aq) + H2SO4 (aq)----Na2SO4 (aq) + 2H2O(l)

    asked by Sara
  94. PHYSICS

    8) Which one of the following objects, all initially at the same temperature, will be most efficient in losing heat? a dull black box in vacuum a polished silver box in air a dull black box in air a polished silver box in vacuum

    asked by amy
  95. English

    Click on the box to choose the function of the italicized infinitive phrase. May I have permission to use the car tonight? I think its adjective.

    asked by Nicole
  96. NJHS (essay)

    hi, i'm currently applying for the national junior honor society, and i'm working on my essay. any ideas what i should include??? ps. i have no leadership experience and the section is blank! D:

    asked by grace
  97. Chemistry

    Consider the reaction CO3^-2+H2OHCO3^+OH^-. Kb for CO3^-2 is 2.1x10^-4 at 25 Celsius . What is Ka for the HCO3^- ion at 25 Celsius?

    asked by V
  98. geometry

    the perimeter of a quadrilateral is 30 cm. what is the maximum possible area of the quadrilateral.

    asked by gsg
  99. math

    A polling company took 5 polls in the week before and election. It showed that a mayoral candidate would get 66%, 56%, 55%, 60%, and 63% of the votes. That candidate received 64% of the total votes during the actual election. Find the percent error in the

    asked by syram
  100. math

    If r = 12.5 and s = |−13|, which of the following inequalities is not true??? 1.r≠s 2.r< s 3.r≥s 4.r≤s

    asked by lina
  101. Math

    If a 6 meter pole and a 3 meter pole are connected by wires from the top to bottom, how tall is the pole touching the intersecting wires?

    asked by Mari
  102. Math

    There are 12 girls and 9 boys in Mrs. Johnson's classroom. She said that if she randomly selects one student from her classroom the probability that it is a boy is 3/4. Which mistake did Mrs. Johnson make? A. She divided the number of girls by the total

    asked by Anne
  103. Chemistry

    How do the following solutions show the properties of a buffer? 1) 50 ml 0.10 M NH3 + 50 ml 0.10 M NH4NO3 2) 10 ml solution #1 + 5 ml H2O + 1 ml 0.10 M HCl 3) 10 ml solution #1 + 6 ml 0.10 M HCl 4) 10 ml solution #1 + 5 ml H2O + 1 ml 0.10 M NaOH

    asked by Jeremy
  104. 3rd grade math

    Benny is using base ten blocks to model 57 divided by 3. he divided the tens in to equal groups. he converted the remaining 10's in to 20 ones. then he divided 20 by 3, and put the ones into equal groups of 6, with 2 leftover. what did he forget to do?

    asked by mythreyee
  105. Science

    How do the structures of organisms compare and contrast to nonliving structures like construction cranes,ships,airplanes or bridges?

    asked by Paul
  106. Chemistry

    Given Zn(NO3)2 + (NH4)2S = ZnS + 2NH4NO3 (molar mass of Zn(NO3)2 189 g, molar mass of (NH4)2S 68 g), what is the molarity of a 250 ml solution if you have 123 g of zinc nitrate?

    asked by Stephen
  107. STAT 250..Help!

    What is the probability of randomly selecting a z-score less than z = –0.80 from a normal distribution? a)-0.2119 b)0.7881 c)0.2119 d)-0.7881

    asked by Jane Segurra
  108. physics

    After falling from rest from a height of 26 m, a 0.49-kg ball rebounds upward, reaching a height of 16 m. If the contact between ball and ground lasted 1.8 ms, what average force was exerted on the ball?

    asked by matt
  109. physics

    n anti-aircraft gun fires a 23.7 kg shell with a muzzle speed of 880 m/s. What magnitude propulsive force was necessary to attain the muzzle speed within the 5.05 m barrel? (Assume constant acceleration and neglect the Earth's gravitational effect.)

    asked by Anonymous
  110. Math

    Find the median more and range 1.20,42,45,48,50,50 Median=46.5 MOde=50 Range=30 2.6,6,8,10,11 Median=8 Mode=6 Range=5 3.94,100,103,104,105 Median=103 Mode=No mode Range=11 4.1.6,1.7,1.8 Median=1.7 Mode=No mode Range=.2 5.6,8,10,11,13 Median=10 Mode=No mode

    asked by Jerald
  111. maths

    ABC is a triangle with ∠BAC=60∘,AB=5 and AC=25. D is a point on the internal angle bisector of ∠BAC such that BD=DC. What is AD^2?

    asked by Anonymous
  112. Physics MOMENTUM

    1) A 1 kg moving at 1 m/s ha s a totally inelastic collision with a 0.7 kg mass. What is the speed of the resulting combined mass after the collision? 2) A 0.010n kg bullet is shot from a 0.500 kg gun at speed of 230 m/s. Find the speed of the gun.

    asked by Isis
  113. HELP

    A brass rod with a length of 10.0 cm is placed end to end with an aluminum rod with a length of 30.0 cm and this system is placed between a hot temperature of 100°C and a cold temperature of 10.0°C. The coefficient of thermal conductivities of the brass

    asked by amy
  114. science

    How much does it cost to operate a 80-{\rm W} lamp continuously for a week if the power utility rate is 25 {\rm cents}/{\rm kWh}.

    asked by Anonymous
  115. chemistry

    Calculate the partial pressure of 3.25 moles of oxygen that have been mixed (no reaction) with 1.25 moles of nitrogen in a 25.0 L container of 298 K.

    asked by alex
  116. chemistry

    What is the limiting reagent in this problem? A total of 40.0 mL of 0.55 M copper (II) sulfate solution is added to a beaker containing 2.02g of zinc.

    asked by brianne
  117. stats

    A random sample of n=16 scores is obtained from a population with a mean of µ= 80 and a treatment is administered to the sample. After treatment, the sample

    asked by delaney
  118. Physics Impulse

    A 2 kg cart rolls across the floor and runs into the wall and sticks. Before the collision the cart has a velocity of 4 m/s in the x direction. The collision took place in 0.1 s. 1) What was the cart's momentum before the collision? 2) What was the cart's

    asked by Isis
  119. life orientation

    8 ways in which the environmental problem impact within south africa

    asked by busisiwe
  120. ela

    how do i get a good grade on ela comprehension multiple choice test.

    asked by hibroitsmeyourbro
  121. Chem

    Saccharin is a weak organic base with a Kb of 4.8X10^-3. A 0.672-g sample of saccharin dissolved in 30.0mL of water had a pH of 12.34. What is the molar mass of saccharin?

    asked by V
  122. physics

    A strong lightning bolt transfers about 26 C to Earth. How many electrons are transferred?

    asked by Billy
  123. math

    a piece of rope 3m 66 m long was cut into 2 pieces. the longer piece was twice as long as the shorter piece. What was the length of the longer piece?

    asked by Xio
  124. chemistry

    How many grams of Mg(OH)2 are needed to neutralize 55 ml of 0.25 M HCl . according to the following reaction. (show all calculations for credit) Mg(OH)2 (aq) + 2HCl(aq) --- MgCl2 (aq) + 2H2O(l)

    asked by Cory
  125. physics

    Two masses of 8 kg and 12 kg are tied to each end f a string passing over a massless and frictionless pulley. find the resulting accelration of each mass.

    asked by markcampo
  126. AP Physics

    Two particles, each of mass m and speed v, travel in opposite directions along parallel lines separated by a distance d. (a) Find an expression for the magnitude L of the angular momentum of the two-particle system around a point midway between the two

    asked by Anonymous
  127. math

    sonya spent 3/8ths of her money and had 15 dollars left what did she start with

    asked by susan
  128. Physics

    Okay so i'm having a little trouble explaining the answer to a phys lab question concerning rolling friction: Assuming that f = µN , show that the coefficient of (rolling) friction for the car moving down the inclined plane with a constant speed is given

    asked by dallas
  129. chemistry

    if a total of 18.6 mol of NaHCO3, and 6.2 mol of C6H8O7 react, how many moles of CO2 and Na3C6H5O7 will be produced?

    asked by morgan
  130. math

    one mile is 5,280feet. i have a stride of 32inches. how many steps will i take to run a 26-mile marathon?

    asked by Aspire
  131. algebra 1

    3a+b=52a+5=10use elimination to solve each systems of equations.

    asked by Anonymous
  132. chemistery

    How many grams of (NH4)2S2O3 were in the fertilizer sample

    asked by dug
  133. STAT 250 Probability

    Final averages are typically approximately normally distributed with a mean of 66 and a standard deviation of 10.5. Your professor says that the top 5% of the class will receive an A; the next 15%, a B; the next 47%, a C; the next 22%, a D; and the bottom

    asked by Jane Segurra
  134. STAT 250 Probability

    Final averages are typically approximately normally distributed with a mean of 66 and a standard deviation of 10.5. Your professor says that the top 5% of the class will receive an A; the next 15%, a B; the next 47%, a C; the next 22%, a D; and the bottom

    asked by Jane Segurra
  135. Physics

    A man seeking to set a world record wants to tow a 122000-kg airplane along a runway by pulling horizontally on a cable attached to the airplane. The mass of the man is 95 kg, and the coefficient of static friction between his shoes and the runway is 0.74.

    asked by Heather
  136. Physics

    Heat flow question help?A brass rod with a length of 30.0 cm is placed side by side with an aluminum rod with a length of 30.0 cm and this system is placed between a hot temperature of 100°C and a cold temperature of 10.0°C. The coefficient of thermal

    asked by Amy
  137. Chemistry

    Find the pH: 1) A 0.001M solution of HCl 2) A 7.98 x 10^-2 M solution of HNO3 3) 1098L of a solution containing 8.543moles of HBr 4) 120mL of a solution containing 0.005 grams of hydrochloric acid. Please help me with these four. Out of 20 questions i only

    asked by Katelyn
  138. Math

    This number is less than 200 and greater than 100. The ones digit is 5 less than 10. The tens digit is 2 more than the ones digits. What is the number ?

    asked by Gideon
  139. CTU

    assuming the economy has gotten better andthat the funds now have a return of 7.72% compounded monthly. Diane salary has risen now she can contribute $1000 a month. At the end of the next 15 yrs, how much is her account worth.

    asked by Najee
  140. chemistry

    2NOBr(g) 2NO(g) + Br2(g) and the value of Kc = 1.98, at a temperature of 282 K what is the value of Kp ? (Hint: Use the value of R in the appropriate units.)

    asked by Kara
  141. Math

    Simplify the sum 4 5 ______ + ______ M+9 M^2 - 81

    asked by John
  142. Pre Calc

    $1 is invested into an account that has a APR of 8% compounded quarterly. How long will it take for my money to double? To triple?

    asked by Haley James
  143. math

    Your program has an RDT&E-funded project scheduled to start in July 2005 which is expected to take 12 months to complete. The project is expected to cost a total of $12 million (then-year dollars), with cost expected to be incurred at a rate of $1 million

    asked by CHUCK
  144. PLEASE HELP!!!! MATH

    give an example of a situation that has 8 different outcomes

    asked by Anonymous
  145. physics

    Light bulb packages will have at least two numbers on them; a power and what the potential difference across the bulb must be so that the bulb has the listed power. You go to the store and purchase two light bulbs. The package for Bulb A says 40 W in a

    asked by k
  146. English

    Are Romeo and Juliet destroyed by fate, by their own flaws, by the flaws of others, or by a combination of factors?

    asked by sami doodles :-)
  147. Physics

    A man seeking to set a world record wants to tow a 122000-kg airplane along a runway by pulling horizontally on a cable attached to the airplane. The mass of the man is 95 kg, and the coefficient of static friction between his shoes and the runway is 0.74.

    asked by Kelly
  148. math

    a class of 15 student with 5 girls and 10 boys.they are divided into 3 groups each of 5 to do different group projectA,B,C respectively .how many ways can be grouped (A)if no restriction?(B)each group has only one gender?

    asked by omg
  149. Calculus - Optimization

    The cost of fuel for a boat is one half the cube of the speed on knots plus 216/hour. Find the most economical speed for the boat if it goes on a 500 nautical mile trip.

    asked by Sam
  150. English

    Can anyone help me make a diamante poem about drums? Drums Sound Loud playing listening reading That's all I have so far. after that I have to put 2 nouns and 2 opposite nouns of the topic.. then opposite ing words... and then opposite adjectives about the

    asked by Anonymous
  151. math

    Chelsea has 3 quarters and 1 dime. James has 8 dimes. Peter has 2 quarters and 6 nickels. Denika has 10 nickels. Who has the most money?

    asked by Mrs. Vargas
  152. northrise university

    What is natural law?

    asked by charles
  153. English III Freedom Writers

    have you watched the movie Freedom Writer? can you please help me with my assignment? 1) consider the reasons why the groups have been used. 2) How this representations of different cultural groups are challenging or stereotypical? PLEASE HELP MEEE!!!!!

    asked by Isis
  154. Physics

    A certain car is capable only of accelerat ing at 3.0m/s 2 , braking (decelerating) at 5.0m/s 2 , and moving at constant velocity. The car is init ially located 100m from a road sign. The driver, starting from rest, begins to accelerat e towards the sign.

    asked by George
  155. math

    what is 14.876 rounded to the nearest hundredths?

    asked by jessica
  156. Math

    Im helping my son to find the area of a rectangle that is 7 3/8 inches and 4 inches the height. I need to know how to convert the fraction into a whole number.

    asked by Lisa
  157. physics

    Susie and Sally are seated on opposing sides of a seesaw. Sally weighs 500 N and is seated a distance of 2 m from the fulcrum (point of rotation). Susie weighs 450 N and is seated a distance of 2.5 m from the fulcrum. Who is being lifted upward?

    asked by Jessica
  158. Spanish 2

    Use a form of "ser" or "estar" to fill in the blank. Note: Only type the missing word. Do not type capital letter nor period. Tú ____ enfermo.

    asked by Deanna
  159. physics

    A train moves at a speed 72km/hr. When it approaches the station the driver brakes the train stops in 30 minutes. a) what is the value of deceleration? b) what is the duration it takes to stop?

    asked by Mariam
  160. math

    find all solutions to 4tanθ + √3 = tanθ

    asked by isla
  161. Calculus 2

    solve this differential equation: dy/dt=0.06y(600-y) y(0)=10 y(t)=?

    asked by Maily
  162. math

    How do you evaluate the following: Bill has two times as many coins as Tina.

    asked by Lisa
  163. economics

    demand funtion for a commodity is=12-3p.

    asked by jacksonterry4real
  164. Physics

    A rectangular conducting homogeneous (which means the material is the same throughout) block has dimensions 1cm x 2cm x 3cm . A voltage V is applied between all opposite faces of the block and the corresponding currents were recorded. What is the maximum

    asked by Maria
  165. math

    draw the following and name them find missing angles... a trinagle has sides 4in,6in and 9in

    asked by daeniyah
  166. 3rd grade math

    which fraction is grater than 1/3 A. 1/2 B. 1/4 C. 1/5 D. 1/6

    asked by mythreyee
  167. maths-surface area

    there is a groove which is in a cylindrical form and is made in a cylindrical piece of wood of length 17.5cm. The groove is filled with graphite and the cylindrical graphite block is of same length as that of wooden piece. If the diameter of the graphite

    asked by anoynomous
  168. Tangent Lines (2)-Calculus

    find an equation of the line tangent to y= sqrt(25-x^2) at the point (3,4) i got y= x/8 + 29/8 this is wrong. but im not sure why. can you explain thank you

    asked by Greg
  169. physics

    After 35 minutes of running, at the 8-{\rm km} point in a 9-{\rm km} race, you find yourself 200m behind the leader and moving at the same speed. What should your acceleration be if you are to catch up by the finish line? Assume that the leader maintains a

    asked by Mimi
  170. Calculus

    Use implicit differentiation to write the slope-intercept equation of the tangent line to the graph of (x^2+4)y=8 at the point (2,1):

    asked by Julie
  171. Calculus

    Use implicit differentiation to write the slope-intercept equation of the tangent line to the graph of (x^2+4)y=8 at the point (2,1):

    asked by Julie
  172. Hess's law

    I need some help with this one please... A+B ----> 2 D H= -765.3 kj S= 344 j/k C ------> D H= 521 kj S= -171 j/k calculate G at 298 K for A+B ------> 2C I know I need to use the formula G= H-TS but I don't know how to get the numbers.

    asked by Caitlin
  173. Physics

    Four charges with equal magnitudes of 7.81 × 10-12 C are placed at the corners of a rectangle. The lengths of the sides of the rectangles are 2.52 cm and 4.02 cm. Find the magnitude of the electric field at the center of the rectangle in Figures a and b.

    asked by Sarah
  174. english romeo and juliet

    I am writing an essay which has to have 3 character traits of romeo and 2 quotes to support each trait. I still need quotes for impulsive and fearless. Can you please help?

    asked by erin
  175. accounting

    due date and amount of interest due October 1 for $10,500 @ 8% for 60 days ?

    asked by Bonnie
  176. Math

    Find the difference between the perimeter of a square of area 1 centimeter square and the circumference of a circle of the same area.

    asked by Emily
  177. algebra

    Identify the property or rule that justifies each step in the calculation. 6b+(8b+7c)-9c ____________________ (6b+8b)+(7c-9c)_____________________ (6b+8)b+(7-9)c ____________________

    asked by syram
  178. science

    how can understanding matter help in the real world?

    asked by Anonymous
  179. physics

    a loaded cart, mass220-kg is pulled across the ground with the force of300n acting at angle 37 degree with the horizontal. how much work is done in moving the cart 20m?

    asked by christian
  180. Chemistry

    At 122C the pressure of a sample of nitrogen gas is 0.830 atm. what will the temperature in Celsius be at 3.00 atm, assuming constant volume ?

    asked by Ashley
  181. Spanish 2

    Use a form of "ser" or "estar" to fill in the blank. Note: Only type the missing word. Do not type capital letter nor period. Ella ___ chilena.

    asked by Deanna
  182. Math

    Simplify: 5th roof of (6th root of 10 * sqaure root of 1000) or: (10^1/6 * 1000^1/2)^1/5 (^ another way of writing it)

    asked by Jess
  183. economics

    what is franchise monopoly?

    asked by working hard
  184. vectors HELP!

    determine an equation of the plane that is perpendicular to the plane x+2y+4=0, contains the origin, and has a normal that makes an angel of 30 degrees with the z-axis.

    asked by nico
  185. English

    24) how do the deaths of Romeo, Juliet, Mercutio, Tybalt, and Paris affect the way the Capulets and Montagues feel about their feud?

    asked by sammie doodles :-)
  186. HELP PHYSICS!

    Four charges with equal magnitudes of 7.81 × 10-12 C are placed at the corners of a rectangle. The lengths of the sides of the rectangles are 2.52 cm and 4.02 cm. Find the magnitude of the electric field at the center of the rectangle in Figures a and b.

    asked by Sarah
  187. Algebra

    Find the vertical, horizontal, and oblique asymptotes, if any, for the following rational function. T(x)=x^2/x^4-256

    asked by Jenn
  188. math

    Hello, Is log_3 (5) equal to log_5 (3)? Explain your answer. Do not evaluate the logarithms. is my question. What is a surefire way to show this is false.

    asked by Adam
  189. English

    Word box abduct ambiguous balk compact confer earmark frigid implement incalculable indisputable intensive maneuver sabotage scant stealthy strapping strident thrive titanic valiant 2.At first the zebras did not notice the ____ movements of the lions

    asked by Jerald
  190. GEOMETRY

    ANGLES X AND Y ARE SUPPLEMENTARY ,AND THE MEASURE OF ANGLES X IS 24 DEGREES GREATER THAN THE MEASURE OF ANGLE Y. FIND THE ANGLE MEASURES.

    asked by JOSEPH
  191. math

    Draw a big diagram You end up with a triangle with: the horizontal side = 47 ft the side representing the leaning pole ... call it a and the angle opposite the pole side = 51° The pole makes an angle of 7° with the vertical ... so the angle between to

    asked by Anonymous
  192. Physics

    If a vehicle starts at 31 km/h and only travels 4.7m in 1.1 seconds due to deceleration, how fast is it going after 1.1 seconds?

    asked by Troy
  193. maths-probabilty

    Bag 1 contains 2 white and 3 red balls and bag 2 contains 4 white and 5 red balls. 1 ball is drawn at random from one of the bags and is found to be red. Find the probability that it was drawn from bag 2

    asked by anoynomous
  194. Math

    Can you completely cover a 4 ft by 8 ft area with 3 ft by 3 ft tiles without cutting the tiles?

    asked by Lois
  195. English

    Word box left compact earmark frigid intensive scant strident titanic 4.When the winds begin to turn ______ in November our thoughts turn to our warm and sunny island off the coast of Florida frigid

    asked by Jerald
  196. 3rd grade math

    which fraction is less than 2/5 A. 2/3 B. 3/5 C. 3/4

    asked by mythreyee
  197. PreAlgebra

    Math estimate quotient 6 1/3 divided by 3 1/7

    asked by M
  198. English

    Writeacher, I think I have one Flames Powerful red burning swooshing killing fire hot snow hail Freezing cracking slipping clear cold ice

    asked by Anonymous
  199. Tangent Lines-Calculus

    a line is tangent to the curve y= (x^2 + 3)/ (x+3)^1/2 at the point where x=1. write the equation of this line i get y= 3x-1 yet it's wrong. please explain thank you

    asked by Greg
  200. Critical Points, Etc.

    find the values for a, b, and c such that the function f(x)= x^3 + ax^2 + bx+ c has a critical point at (1,5) and an inflection point at (2,3). a= -6 b= 3 c= 7 i got those, but they're wrong. i'm not sure why. :/

    asked by Greg
  201. MATH

    The area of a rectangle remains unchanged when it is made 1cm shorter and 1cm wider or when it is made 8cm longer and 4cm narrower. Its area, in square cm

    asked by MUKUL
  202. Life Orientation

    investigate one enviromental and human factor that causes accidents , crises or disasters which impacts negatively on out health

    asked by Nashania
  203. Quantum Physics

    - What is QFT6 of 1/√2(|0> + |3>? - What is QFT6 of 1/√2(|1> + |4>? - What is QFT6 of 1/√3(|0> + |2> + |4>? - What is QFT6 of 1/√3(|1> + |3> + |5>?

    asked by qwerty
  204. physics

    After 35 minutes of running, at the 8-{\rm km} point in a 9-{\rm km} race, you find yourself 200m behind the leader and moving at the same speed. What should your acceleration be if you are to catch up by the finish line? Assume that the leader maintains a

    asked by Anonymous
  205. Chemistry

    Answer

    asked by Anonymous
  206. Mass Media

    Write a 350- to 700-word e-mail to your friend in which you detail the challenges you faced regarding the following: · Your responsibility as a journalist to provide fair, honest, and balanced coverage · How you struggled with whether your story was

    asked by Abigal Coby
  207. maths-parallelogram

    there is a man who decided to make a garden either in shape of rectangle or parallelogram in front of his house and fence it. but he chooses the rectangle shape. The parallelogram whose length is 20m and width is 14m. The cost of fencing is Rs.2000 per

    asked by anoynomous
  208. CHEMISTRY

    How do you get the concentration with buret readings? What would the concentration of HC2H3O2 (M) be? For example, Molarity of the NaOH solution: 0.2619 M Final buret reading: 31.10 ml Initial buret reading: 0 Volume of NaOH solution: 31.0 ml concentration

    asked by Anna
  209. Biology

    What was a event in Darwins life that lead him to the theory of evolution. When i googled it those were the only two that came up. And our teacher told us to not to do those

    asked by Ashley
  210. Math

    A gasoline tank contains 500 liters of gasoline. By the end of each day, 70% of the gasoline remains. When will there be less than 100 liters in the tank?

    asked by Annie
  211. Math

    What does nine less than the product of a number and 4

    asked by Taija
  212. STAT 250..Help!

    What is the probability of randomly selecting a z-score less than z = 0.80 from a normal distribution? a)-0.2119 b)0.7881 c)0.2119 d)-0.7881

    asked by Jane Segurra
  213. Curriculum dev

    Behavior objectives should be written about a behavior that a) is exhibited by most chlldren. B) can actually be seen. C) exhibits all five selves. D) can be evaluated using standardized test. I think a) is exhibited by most children. CAn someone give me

    asked by Emily
  214. mathURGENT!!!!!!

    for which integers will the square of the integer decreased by twice the integer produce a difference of less than 4? please answer and explain how you got the answer...please????!!

    asked by don
  215. Chemistry

    If you add 100 g of salt to 5 Kg of cooking water, how will it effect the boiling point? (molar mass of NaCl 58.5 g, Kbwater=0.51 degrees/m)

    asked by Stephen
  216. English

    choose from For example or therefore 1. Most listeners don't simply absord your message of thier own called feedback._______, when you phone a friend to say you'll be late, you may hear,"Hey, you really need to get here on time!" That is feedback. I am a

    asked by jack
  217. Calculus

    Find the absolute maximum value and the absolute minimum value, g(x)=1/8 x^2 - 4 x^(1/2) on [0, 9]

    asked by Cam
  218. Physics

    A flat circular coil with 103 turns, a radius of 3.96 10-2 m, and a resistance of 0.456 Ω is exposed to an external magnetic field that is directed perpendicular to the plane of the coil. The magnitude of the external magnetic field is changing at a rate

    asked by bbbgen
  219. Calculus

    Find the absolute maximum value and the absolute minimum value, f(x)= (x +1 )/ (x-1) on [2, 4]

    asked by Cam
  220. Calculus

    Determine the function is concave upward and where it is concave downward f(x)= x / (x+1)

    asked by Cam
  221. English

    Words left earmark strident compact Each year a portion of the school budget is ____ for the purchase of new books for the library earmark

    asked by Jerald
  222. Ethos and Pathos

    Hi, I need help with a paper I wrote on an analysis of an advertisement. This is the ad i analysed facebook.cm/video/video.php?v=176110229125188 Could someone please tell me the Ethos and Pathos for this ad ? My ethos was - The text embellishes character

    asked by Ying
  223. college- find domain and range

    y= X^2 + X - 500/10 and y is the number of milliliters of fuel consumed per second and X is the speed of the engine in revolutions per minute. If the engine operates between 100 revolutions per minute and 400 revolutions per minute what is the domain and

    asked by lucky bee
  224. College Math

    I need help solving these problems by using the substitution problem 2x-3y=16 5x+2y=21

    asked by Cam
  225. Harcourt Trophies Practice Book

    I don't have my 5th grade harcourt trophies book with me. I need the pages 88 and 89. Is there a website I can use to print out the pages?

    asked by Celest
  226. Math

    A bag contains a set of ping pong balls numbered from 1 to 12. If you reach in and randomly pull out 3 of them, what is the expected value of the sum of the numbers on the 3 ping pong balls? Thanks :)

    asked by Parul
  227. math

    Simplify the polynomials (5g4 + 2g3 + 4g + 2) + (3g4 – 8g3 + g + 2)

    asked by Boobear
  228. heat energy

    help me convert 0.093cal/g¤c to j/kg/k

    asked by sophie
  229. Math

    If $2,000 is invested at 3% interest every 4 months, what would be the amount in the investment after 10 years?

    asked by Anonymous
  230. math

    y=-2x-1 how to set up to find what x is, this needs to graph as a linea equation.

    asked by melissa
  231. Math

    Is the equation sinx + cosx = 1 an identity? Why?

    asked by Jenna
  232. Accounting 1

    Red Bank Enterprises was involved in the following transactions during the fiscal year ending October 31: 8/2: Borrowed $75,000 from the Bank of Kingsville by signing a 120-day note. 8/20: Issued a $40,000 note to Harris Motors for the purchase of a

    asked by Megan
  233. geometry

    Lin says that a hexagon has six sides. Chris says that it has eight sides. Whose statement is correct?

    asked by Mrs. Vargas
  234. chemistry

    why wouldn't a higher experimental ratio of HCl increase the reaction rate for synthesis of t-pentyl alcohol?

    asked by Anonymous
  235. maths-parallelogram

    There is a man who plotted a land in shape of a trapezium with its parallel sides to be 15m and 5m & height=9m. The Panchayat decided to take a triangular plot of land from one side to construct a school. He reluctantly agrees to this. is this can be

    asked by anoynomous
  236. simple PHYSICS!!!

    The sun goes around the center of our galaxy once every 250 million years. The sun is also 2.55×10^20 m from the center of our galaxy. What is the acceleration of our sun towards the center of the galaxy in m/s^2?

    asked by please..anyone help!!
  237. science

    How do organs relate to cells and tissues?

    asked by Brandon
  238. Physics

    A flat circular coil with 103 turns, a radius of 3.96 10-2 m, and a resistance of 0.456 Ω is exposed to an external magnetic field that is directed perpendicular to the plane of the coil. The magnitude of the external magnetic field is changing at a rate

    asked by bbbgen
  239. math

    harriet and harry got jobs at the bumblo gum factory as bubblegum testers. for every bubble they blow they get 50 cents. harriet blows 100 bubbles and harry blows 150 bubbles. harry says, "wow! between the two of us, we've only made 12.50 today!" what was

    asked by lulu
  240. transport economics

    how to analyse ITP

    asked by keletso
  241. Math

    If the minute hand of a big clock is 1.12m long, find the rate at which its tip is moving in centimeters per minute.

    asked by Emily
  242. chemistry

    How many Liters of a 5.00 M Zn(NO3)2 would be needed to react with 200 g of (NH4)2S?

    asked by Stephen
  243. Math

    3^x=10. Solve for x algebraically.

    asked by John
  244. Derivative

    with respect to x f(cos x) if f'(x)= 1/x find (f(cos x))' i got tan x sec x this is wrong. please explain. thank you

    asked by Mary
  245. English

    1. We will win the game against Japan. 2. We will win the game with Japan. Q1. Are both the same in meaning? Q2. What is the part of speech of 'against Japan'? Is it an adjective phrase or an adverbial phrase?

    asked by rfvv
  246. social studies

    why did the maya civilization dissapear

    asked by chelsea
  247. Math

    There are 12 girls and 9 boys in Mrs. Johnson's classroom. She said that if she randomly selects one student from her classroom the probability that it is a boy is 3/4. Which mistake did Mrs. Johnson make? A. She divided the number of girls by the total

    asked by Willow
  248. math

    how does the no. of regions increase when another chord is added to the circle?

    asked by esha
  249. Spanish 2

    Mary es de Kansas. Mary es ____.

    asked by Deanna
  250. Spanish 2

    Juanita es de España. Juanita es ____.

    asked by Deanna
  251. math

    A school uniform consists of a shirt and a pair of shorts. A shirt costs $22. A pair of shorts costs $15. Write an expression to find the cost of supplying n students with uniforms. Evaluate the expression for 8 students.

    asked by Cherie
  252. Math

    Find the rule for a table like this. 1 3 2 5 3 8 4 9 5 10

    asked by Jadyn
  253. English

    How can we bring these topics under one essay or an article?! Spending too much time at your computer Reducing traffic in large cities Building more car parks in large cities Using public transporter instead of cars Speed limits

    asked by m1m2m3m4
  254. physic -shm

    a bob of pendulum is filled with water and small hole is made on the tip,and it is moved .how will the time period change?

    asked by adam
  255. math

    There are 24 trucks and 8 cars in a parking lot. About what percent of vehicles are cars

    asked by obama
  256. English

    Which sentence uses italics, quotation marks, and punctuation correctly? (1 point) “How many r’s are there in the word February”? “How many r’s are there in the word February?” asked Ty. “How many r’s are there in the word February,”

    asked by Rae
  257. Early childhood

    Can someone check if this is correct? Of all ages, ages four year olds need the most a) challenge and variety b) love and attention c) structure and discipline d) freedom and spontaneity I think it's a or d but I think a) challenge and variety more????

    asked by John
  258. Math

    Can you completely cover a 4 ft by 8 ft area with 3 ft by 3 ft tiles without cutting the tiles?

    asked by Lois
  259. Curriculum

    Teacher intervention does NOT include a) statement of child's feelings b) seperation of all children involved c) statement of what that could or couldn't do d) simple, clear reason for restrain.. Is b) seperation of all children sound correct?

    asked by Jessie
  260. Lang, Arts

    4. Which of the following sentences is a compound sentence? A.Charlie said it’s cold outside but hot in his bedroom. B.Jared enjoys eating eggs and bacon for breakfast. C.Sierra can’t decide between the blue and the black shoes. D.Thomas is meeting us

    asked by cassie
  261. George Carver

    If the length or the triangle is 35 and the base is 53 what is the length of the other side of the triangle.

    asked by Angel
  262. maths-area of parallelogram

    There is a man who plotted a land in shape of a trapezium with its parallel sides to be 15m and 5m & height=9m. The Panchayat decided to take a triangular plot of land from one side to construct a school. He reluctantly agrees to this. is this can be

    asked by anoynomous
  263. English

    Word box compact earmark scant strident Since the time we have to prepare for the final exams is exceedingly ____ we had better make the best of every hour This one is compact or scant? I think it's compact

    asked by Jerald
  264. Derivative

    Find dy/dx for the following: 1) x^3 + 3x^2*y + y^3 = 4 I get -3(x+2y)/x^2 + y^2 it's wrong though. 2) x + y^2= xy^2 I get y^2 + 1/ 2y- 2xy this is also wrong. can you explain thanks

    asked by Maryanne
  265. Derivatives

    with respect to x f(cos x) if f'(x)= 1/x find (f(cos x))' i got tan x sec x this is wrong. can you explain thank you

    asked by Maryanne
  266. algebra

    In 2000, the average family net worth was $360,000 and there were about 7.7x10^7 families. Calculate the total family net worth in 2000.

    asked by Mike
  267. social studies

    what nation is home to the gonges and indus river

    asked by alyssa
  268. college physics

    If the initial tension in the string is (2.10+/- 0.02)N, what is the tension that would double the wave speed?

    asked by Anonymous
  269. Chemistry

    How many grams of H2SO4 are needed to make a 4.50 m solution in 300 g H2O?

    asked by Samantha
  270. simple PHYSICS!

    The combination of the force of gravity and my hand provide a net force of 40 N on a ball straight up. The ball accelerates at 100 m/s^2 while it is in my hand. What is the mass of the ball in kg?

    asked by please..anyone help!!
  271. science

    How does the hierarachical organization of organisms work within a system?

    asked by Robert
  272. math

    Proving Trigonometric Identities 1. sec^2x + csc^2x= (sec^2 x)(csc^2 x) 2. sin ^3 x / sin x - cos 3x / cos x = 2 3. 1- cos x/ sin x= sin x/ 1+ cos x 4. 2 sin x cos ^2 (x/2)- 1/x sin (2x) = sinx 5. cos 2 x + sin x/ 1- sin x= 1+ 2 sin x

    asked by mm
  273. Math

    In a flower box there are nine red flowers and six white flowers.there are three times as many yellow flowers as white ones.how many flowers are there in all?

    asked by Pietro
  274. Math

    Find the first five terms of the sequence using the recursive rule: a1 = 2/3, and An = 5a N-1

    asked by Annie
  275. mathematics

    s=(2+3t)(5t-4) find ds/dt at t= 4s/2

    asked by Eric
  276. Maths

    What is the highest power of 3 that divides 1000! (1000 factorial)

    asked by Anna
  277. Math

    What should you say when u meet and angle?

    asked by Taelor
  278. physics

    Let |α⟩=1M√∑M−1j=0αj|j⟩ and let |β⟩=1M√∑M−1j=0βj|j⟩ be its QFTM. Suppose we shift the superposition |α⟩ to produce |α′⟩=1M√∑M−1j=0αj|j+1(modM)⟩, and let |β′⟩=1M√∑M−1j=0βj′|j⟩ be the QFTM of

    asked by s
  279. Motivation and Emotion

    How would the behaviourist perspective of psychology explain the motivation behind the long hours and irregular schedule resulting in sleep deprivation in dancers.

    asked by Rona
  280. math

    give an example of a situation that has 8 different outcomes

    asked by Anonymous
  281. math

    greatest no. of regions in a circle with 4 chords?

    asked by esha
  282. trig

    Sandra wants to find the height of a moutain. From her first location on the ground, she finds the angle of elevation to the top of the mountain to be 35 degrees 15 minutes. After moving 1000 meters closer to the moutain on level ground, she finds the

    asked by Anonymous
  283. math

    A triangle has angles measuring 35 degrees and 53 degrees.What is the measure of the third angle of the triangle.

    asked by Angel
  284. Pre-Algebra

    Find the mean of the following data set: 25, 30, 20, 20, 25, 35, 35, 10 15 20 25 30 15 IS MY ANSWER

    asked by Wendy
  285. algebra (checking answer)

    Checking to make sure I did it right.. Remainder theorem to find the remainder when f(x) is divided by the given x-k f(x)=x^3-4x^2+2x+4; x+2 2 x -4 2 4 1 2 -4 4 1 -2 -2 8 2)x^3-4x^2+2x+4. (X^3-2x^2-2x) is the answer x^3 -2x^2+-2x -2x^2+4x 6x+4 -2x+4 8x+8

    asked by Anonymous
  286. algebra1

    f(x)=-12xsquared+56x. where x is the time in seconds after it is shot how long was the pebble in the air

    asked by ff
  287. math

    2/5 cut from 100ft rope how many feet is there

    asked by Anonymous