Questions Asked on
April 22, 2014

  1. math

    what are the mean median mode and range of the data set give the altitude of lake in feet: -12,-9,-14,-39-49,-49,-18, and -43? A. mean=-28.5, median=-29.1, mode=-49, range=40 B. mean=-29.1, median=-49 , mode=-28.5 , range= 41 C. mean=-49 , median=-29.1,

    asked by HELP PLEASE!!
  2. probability

    For any given flight, an airline tries to sell as many tickets as possible. Suppose that on average, 10% of ticket holders fail to show up, all independent of one another. Knowing this, an airline will sell more tickets than there are seats available

    asked by juanpro
  3. Algebra - HELP!!!

    Can someone help me and check these? 1. Graph the function and identify the domain and range. y = –.5x² (1 point)graph *domain: (–∞, ∞) range: [0, ∞) graph domain: (–∞, ∞) range: (–∞, 0] graph domain: (–∞, ∞) range: (–∞, 0]

    asked by Sandy
  4. probability

    Let Sn be the number of successes in n independent Bernoulli trials, where the probability of success for each trial is 1/2. Provide a numerical value, to a precision of 3 decimal places, for each of the following limits. You may want to refer to the

    asked by juanpro
  5. Chemistry

    Assuming an efficiency of 38.60%, calculate the actual yield of magnesium nitrate formed from 145.9 g of magnesium and excess copper(II) nitrate. I got 230.5g but it isn't right.. I got 6 mols of Mg then calculated molar mass of Mg(NO3)2 and got 148.31 and

    asked by Clare
  6. Statistics PLEASE HELP ME!

    The Wall Street Journal reported that automobile crashes cost the United States $162 billion annually (The Wall Street Journal, March 5, 2008). The average cost per person for crashes in the Tampa, Florida, area was reported to be $1599. Suppose this

    asked by Vanessa
  7. probability

    For each of the following sequences, determine the value to which it converges in probability. (a) Let X1,X2,… be independent continuous random variables, each uniformly distributed between −1 and 1. Let Ui=X1+X2+⋯+Xii,i=1,2,…. What value does the

    asked by juanpro
  8. math

    Marnie practiced her basketball dribbling. After two tries she had bounced the ball 88 times. On the second try she had 2 fewer bounces than 8 times the number of bounces she had on the first try.How many bounces did she have on the second Try

    asked by shekinah
  9. genetics

    1. Long wings (L) in fruit flies is dominant to short wings (l). If you had a fruit fly with long wings, what mating would you set up to test if it was LL or Ll genotype? 2. Jane's mother died of Huntington's disease (a dominant disorder): Jane says she is

    asked by emir
  10. Math

    Find X so that the pitch of the roof is 1/6. The number below the x is 30 feet in the figure. so how do I solve this?

    asked by Christopher
  11. chemistry

    Dinitrogen tetroxide decomposes to form nitrogen dioxide in a second order reaction: N2O4(g)-> 2NO2(g) At 400K, the rate constant for this reaction has been measured to be 2.9x10^8 L/mol*s.suppose 0.222 mol of N2O4(g) is placed in a sealed 41.7L container

    asked by Anonymous
  12. Science

    1. How does sea-floor spreading occur? A. New materials are being added to the asthenosphere. B. Earthquakes brake apart the ocean floor. C. Sediments accumulate at the area of spreading. D. Molten material beneath Earth's crust rises to the surface.*

    asked by Steven
  13. Chemistry

    Calcium hydroxide, Ca(OH)2, dissolves in water to the extent of 1.78 g per liter. What is the value of Ksp for Ca(OH)2?

    asked by Shana
  14. math

    Peyton has two pizzas.Each pizza is cut into 10 equal slices.She and her friends eat 14 slices. What part of the pizzas did they eat? Write your answer as a decimal.

    asked by Diana
  15. math

    Arthur made the scatter plot below of the temperature outside his house over the course of nine days at the beginning of winter. if this trend continues, what would be the most likely temperature outside Arthur's house on day 10? A. 20** B. 30 C. 40 D.50

    asked by please help ms.sue
  16. physics

    Things around you are emitting infrared radiation that includes the wavelength 1.44 10-5 m. What is the energy of the photons?

    asked by Anonymous
  17. physics

    A bowling ball encounters a 0.760-m vertical rise on the way back to the ball rack, as the drawing illustrates. Ignore frictional losses and assume that the mass of the ball is distributed uniformly. The translational speed of the ball is 4.43 m/s at the

    asked by Anonymous
  18. math

    marissa pours 1 1/2 cups of punch in each glass how many fluid ounces is each serving?

    asked by jason
  19. English 10

    All of the following are writing strategies associated with editing except • checking your spelling. • cleaning up formatting. • developing a subtopic. • fixing punctuation errors.

    asked by Sandra
  20. math

    please check my answers A number cube with the numbers 1 through 6 is rolled. Find the given probability. 1. P(number < 2) (1 point) A. 1/6 *** B. 2/6 C. 4/6 D. 3/6 2. P(number ≥ 3) (1 point) A. 4/6 **** B. 1/6 C. 2/6 D. 5/6 3. P(complement of 4) (1

    asked by please help ms.sue
  21. PHYSics

    a child with a mass of 29 kg sits at a distance of 4m from the pivot point of a seesaw. where should a 15 kg child sit to balance the seesaw?

    asked by nicole
  22. Physics

    A charge q1 of -5.00*10^-9C and a charge q2 of -2.00*10^-9C are separated by a distance of 40.0cm. Find the equilibrium position for a third charge of 15.0*10^-9C

    asked by Anonymous
  23. Math

    Luke rode his bicycle 2/5 of a mile from his house to the library.He then rode 1/2 of a mile from the library to the mall.Sketch a visual model to find the total distance that Luke rode.

    asked by Anonymous
  24. Physics 1

    A cart with mass 340 g moving on a frictionless linear air track at an initial speed of 1.5 m/s undergoes an elastic collision with an initially stationary cart of unknown mass. After the collision, the first cart continues in its original direction at

    asked by Alex
  25. chemistry

    How many grams of dry NH4Cl need to be added to 2.00L of a 0.100M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.86? Kb for ammonia is 1.8×10−5.

    asked by Jennifer
  26. Physics

    A charge q1 of -5.00*10^-9C and a charge q2 of -2.00*10^-9C are separated by a distance of 40.0cm. Find the equilibrium position for a third charge of 15.0*10^-9C

    asked by N
  27. Physics waves

    thanks in advanced! A guitar emits a 440 Hz tone. How far apart are the crests in room temperature air (20 degrees celsius)? How long does it take the string to vibrate from crest position to trough position (across twice the amplitude)?

    asked by Liz
  28. math

    a pottery maker can make 24 vases in 8 days. If the pottery maker works 6 hours each day, how long does it take to make 1 vase. A 2 hours B 3hr C 4hrs D 6 hours

    asked by joy
  29. physics

    robin is standing terrified at the end of a diving board, which is high above the water. if robin has a mass of 75 kg and is standing .6m from the board's pivot point, what torque is robin exerting on the board

    asked by nicole
  30. Physics

    Jack is driving with a pail of water along a straight pathway at a steady 25 m/s when he passes Jill who is parked in her minivan waiting for him. When Jack is beside Jill, she begins accelerating at the rate of 4.0 × 10−3 m/s2 in the same direction

    asked by Corey Brown
  31. math check

    x:1,2,3,4,5,6,7,8,9 ---------------------------------------------------------------------------------- y:0.8,2.1,3.1,3.8,5.2,8.4,6.9,8.1,9 (which point would be considered an outlier? my ANS:(9,9)? IS IT RIGHT?

    asked by me
  32. math (please check answer)

    x:1,2,3,4,5,6,7,8,9 ---------------------------------------------------------------------------------- y:0.8,2.1,3.1,3.8,5.2,8.4,6.9,8.1,9 (which point would be considered an outlier? my ANS:(9,9)? IS IT RIGHT?

    asked by person
  33. Chemistry pH

    What is the pH of 4.7 M CH3NH3Cl. mehyl-amine, CH3NH2, Kb = 4.4 × 10-4. Do I find Ka first then take the -log(Ka) to find the pH of 4.7M CH3NH3Cl? or do I need to make I.C.E. table?

    asked by Dina
  34. social studies (check answers)--Mrs.Sue

    Please check and Thanks so muchh. 1.A 2.B 3.C Brazil’s culture reflects what unique aspect of its colonial history? A. its Roman Catholic missionary roots B. its ties to the West African slave trade C. its rule and settlement by the Portuguese D. its

    asked by matt
  35. probability

    Let X be a continuous random variable. We know that it takes values between 0 and 3, but we do not know its distribution or its mean and variance. We are interested in estimating the mean of X, which we denote by h. We will use 1.5 as a conservative value

    asked by juanpro
  36. statistics

    The process that produces Sonora Bars (a type of candy) is intended to produce bars with a mean weight of 55 gm. The process standard deviation is known to be 0.77 gm. A random sample of 49 candy bars yields a mean weight of 55.82 gm. Find the test

    asked by Anonymous
  37. chemistry

    the metal gold, with an atomic radius of 144.2pm crystallizes in a face-centered cubic lattice. what is the density of gold?

    asked by Anonymous
  38. Setswana

    Ke kopa dintlha tsa go kwala tlhamo ka lehuma mo aforika. E se fete tsebe tse pedi

    asked by Mpolokeng
  39. chemistry

    consider the following equilibrium. 4NH3(g) +3O2(g) 2N2(g) + 6H2O(g) suppose 0.30mol of NH3 and 0.40mol of oxygen are added to a 5.0L container. If x mol of water is present at equilibrium, what is the equilibrium concentration of oxygen?

    asked by Anonymous
  40. Physics

    A glass window pane has an area of 3.50 m2 and a thickness of 0.600 cm. If the temperature difference between its surfaces is 23.0°C, what is the rate of energy transfer by conduction through the window?

    asked by Sarah
  41. math

    given the data 12,39,21,18,24,17,12,25: A. what is the outlier in the data? B. what is the mean with the outlier? C. what is the mean without the outlier? A. 12;;21;18.4 B. 12;18.4;21 C. 39;21;18.4 D. 39;18.4;21 i think B or D

    asked by please help ms.sue
  42. physics

    A missile is released from a fighter plane traveling horizontally at an altitude of 10000 ft. if the target was hit at 2.09 miles, in mi/h, was the plane traveling?

    asked by nano
  43. statistics

    We guess, based on historical data, that 30% of graduating high-school seniors in a large city will have completed a first-year calculus course. What's the minimum sample size needed to construct a 95% confidence interval for a proportion with a margin of

    asked by nicole
  44. math (check answer plz)

    type of cookies/Adults/children/total chocolate /5 /10 / ----------------------------------------------------------------------------------- Peanut /8 /6 / ------------------------------------------------------------------------------------ oatmeal /7 /4 /

    asked by xpersonx
  45. chemistry

    what is the hydronium ion concentration of a 0.35M oxalic acid, H2C2O4. solution? for oxalic acid, ka1= 5.6x10^-2 and ka2=5.1x10^-5. Identify and calculate the concentrations for the representative species in solution.

    asked by Anonymous

    Thiosulfate ion S2O32− is oxidized by ioidine according to the following reaction. 2S2O32−(aq) + I2(aq) ¨ S4O62−(aq) + 2I−(aq). If in a certain experiment, 0.0020mole of thiosulfate ion is consumed in 1.0 L of solution in 1 second, what is the

    asked by Juan Pablesteban Gonzalez
  47. Inorganic Chemistry

    what is the product of reaction K3(Al(C2O4)3).3H2O with KMnO4 in the present of NaOH?

    asked by Kiara
  48. Physics waves- check answer please

    I would like to know if my answer is correct. Thanks in advanced! A person with their head sideways in the water sees a beaver slap its tail on the lake surface 1.2 km away. What is the time difference between the sound heard in the ear listening in the

    asked by Liz
  49. Econ

    The process that produces Sonora Bars (a type of candy) is intended to produce bars with a mean weight of 55 gm. The process standard deviation is known to be 0.77 gm. A random sample of 49 candy bars yields a mean weight of 55.82 gm. Find the test

    asked by alex
  50. social studies (check answers)--Mrs.Sue

    THanks and thanks again... 1.D 2.C 3.A Brazil’s culture reflects what unique aspect of its colonial history? A. its Roman Catholic missionary roots B. its ties to the West African slave trade C. its rule and settlement by the Portuguese D. its peaceful

    asked by matt
  51. IT

    What are the most important contemporary hardware and software trends?

    asked by Stacy
  52. math

    brain cut an extra large round pizza into 12 pieceas .Seven of then were eaten. WQhay angle measure of pizza is left

    asked by nick
  53. statistics (4)

    For a t distribution with 16 degrees of freedom, find the area, or probability, in each region. a. To the right of 2.120. (Use 3 decimals.)

    asked by Vanessa
  54. chemistry

    the autoionization of water, as represented by the equation below, is known to be endothermic. What can be correctly said of what occurs as the temperature of water is raised?(please explain) H2O(l)+H2O(l)H3O+(aq) + OH-(aq)

    asked by Anonymous
  55. Algebra

    There are 60 marbles in a bowl. Their colors are red, blue, and yellow. 1/3 of the marbles are yellow, 1/4 of the marbles are blue. How many red marbles are there in the bowl?

    asked by Anonymous
  56. math

    Naomi has 50 red beans and white beads.the number of red beads is 1 more than 6 times the number of white beads. How many red beads does Naomi have

    asked by shekinah
  57. statistics (6)

    The International Air Transport Association surveys business travelers to develop quality ratings for transatlantic gateway airports. The maximum possible rating is 10. Suppose a simple random sample of 50 business travelers is selected and each traveler

    asked by Vanessa
  58. writing

    Write a letter of complaint.Follow the rules for full-block style.The complaint may be about anything you wish (such as malfunctioning equipment,poor building maintenance,or disruptive noises form a nearby office.)You can make up all the details you need

    asked by marquetta
  59. Math

    Angie needs to have $15,000 at the end of 6 years. How much should she deposit weekly into an ordinary annuity if it earns 6.5% interest compounded weekly?

    asked by Mai
  60. physics

    If a proton were traveling the same speed as electrons in a TV picture tube (about 7.2 107 m/s), what would its de Broglie wavelength be? The mass of a proton is 1.67 10-27 kg.

    asked by Anonymous
  61. Physic

    A bullet strikes a ballistic pendulum whose target block has a mass of 4kg. The block is observed to rise a distance of 3cm, and the bullet is weighed and found to have a mass of 20g. What is the speed of the bullet when it strikes the block? (Answer:

    asked by Anonymous
  62. accounting

    On December 31, 2013, University Theatres issued $500,000 face value of bonds. The stated rate is 8%, and interest is paid semiannually on June 30 and December 31. The bonds mature in 15 years. If required, round your answers to the nearest whole dollar.

    asked by brenda
  63. Physics/ Chem

    Find the entropy change when 51g of steam condenses to water at 100 ∘C.

    asked by Lindsay
  64. Chemistry

    PCl5 --> PCl3 + Cl2 A 0.318 mol sample of PCl5(g) is injected into an empty 4.15 L reaction vessel held at 250 °C. Calculate the concentrations of PCl5(g) and PCl3(g) at equilibrium.

    asked by Jordyn
  65. chemistry

    1)A sample of CO2 gas which weighs 0.85 grams has a volume of 1.30 liters when collected at 30°C. What would be the pressure of the gas sample? 2) A gas sample has an original volume of 600 ml when collected at 720 mm and 35°C. If a change is made in the

    asked by Anonymous
  66. Chemistry

    Estimate the solubility of calcium fluoride, CaF2+, (a) in moles per liter and (b) in grams per liter of pure water. CaF2+(s) = Ca2+(aq)+2f-(aq)

    asked by Shana
  67. english

    In the giver why was Gabriel in danger of being released?

    asked by steve
  68. chemistry

    A beaker with 1.40×102mL of an acetic acid buffer with a pH of 5.000 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 7.10mL of a 0.370M HCl solution to the beaker. How much will the pH

    asked by Jennifer
  69. Physics waves- help please

    A police officer with good ears hears an approaching motorcycle. The engine sound he eats as the bike approached is 195 Hz. a) Is the actual sound the bike makes higher or lower in pitch? b) After the bike passes he hears 147 Hz as the perceived pitch. If

    asked by Liz
  70. Math

    Young and Company owes bond holders $5,500 interest at the end of each quarter for the next five years. How much they deposit now at 8% interest compounded quarterly to yield an annuity payment of $5,500?

    asked by Mai
  71. Math

    Angie needs to have an annuity payment of $1,300 at the end of each year for the next 10 years. How much should she deposit now at 10% interest compounded annually, to yield this payment?

    asked by Mai
  72. math

    Juanita is packing a box that is shaped like a rectangular prism.The box is 18 inches long and 9 inches tall.the total volume of the box is 1,944 cubic inches.use the formula V=lwh to find the width of the work.PLEASE HElP!

    asked by zion
  73. Math

    Chris and Carol just bought a $14,000 van and financed it for 5 years at 7% interest. What are the monthly payments?

    asked by Mai
  74. Physics

    Is there anyway you can answer these questions with the information provided. Its using the moving man program. Procedure Place the man so that he is positioned at the 0.00 metre (m) mark. Set the initial velocity at -2.00 m/s and the acceleration at 0.50

    asked by Corey Brown
  75. physics

    ) A hydrogen atom has its electron in the n = 5 level. The radius of the electron's orbit in the Bohr model is 1.323 nm. Find the de Broglie wavelength of the electron under these circumstances. What is the momentum, mv, of the electron in its orbit?

    asked by Anonymous
  76. statistics (7)

    The average cost per night of a hotel room in New York City is $273 (SmartMoney, March 2009). Assume this estimate is based on a sample of 45 hotels and that the sample standard deviation is $65. a. With 95% confidence, what is the margin of error (to 2

    asked by Vanessa
  77. statistics (10)

    Annual starting salaries for college graduates with degrees in business administration are generally expected to be between $30,000 and $45,000. Assume that a 95% confidence interval estimate of the population mean annual starting salary is desired. What

    asked by Vanessa
  78. physics

    In a typical electron microscope, the momentum of each electron is about 1.4 10-22 kg-m/s. What is the de Broglie wavelength of the electrons?

    asked by Anonymous
  79. physics

    Gamma rays (γ-rays) are high-energy photons. In a certain nuclear reaction, a γ-ray of energy 0.306 MeV (million electronvolts) is produced. Compute the frequency of such a photon.

    asked by Anonymous
  80. chemistry

    What will happen if 50mL of 0.022M Na2S2O3, 50mL of 0.010M AgNO3, and 50mL of 0.097M KCl are mixed together? For AgCl, ksp=1.8x10^-10 ; for Ag(S2O3)2^3-, Kf= 2.9 x 10^13.

    asked by Anonymous
  81. physics

    Three objects lie in the x, y plane. Each rotates about the z axis with an angular speed of 4.44 rad/s. The mass m of each object and its perpendicular distance r from the z axis are as follows: (1) m1 = 6.00 kg and r1 = 1.00 m, (2) m2 = 4.50 kg and r2 =

    asked by Anonymous
  82. Math

    Which expression is equivalent to 9(4+r)?

    asked by Natalie
  83. math

    Earl Watkins is ready to retired and has saved up $250,000 for that purpose. He places all of this money into an account which will pay him annual payments for 20 years. How large will these annual payments be if the account earns 17% compounded annually?

    asked by Mai
  84. chemistry

    how many grams of CO2 are produced when 88 grams of O2 are reacted with an excess of butane?

    asked by Anonymous
  85. physics 1

    A person who weighs 869 N is riding a 98-N mountain bike. Suppose the entire weight of the rider plus bike is supported equally by the two tires. If the gauge pressure in each tire is 7.80 x 105 Pa, what is the area of contact between each tire and the

    asked by Anonymous
  86. Physics

    A small plane can travel at 200 km/h in still air. If a 50.0 km/h wind is coming from the east, determine the ground velocity of the plane if the pilot keeps the plane pointed [N].

    asked by David DiFranco
  87. Math mrs.sue plz help i a confused.

    1. Find the slope of a line that is parallel to the line containing the points (3, 4) and (2, 6). (1 point) m = 1 m = 2 m = –2 m = 1/2 2. Find the slope of a line that is perpendicular to the line containing the points (–2, –1) and (2, –3). (1

    asked by Raina
  88. finance

    How much must be deposited into an account to generate a $2,400 payment every three months for the next four years if the account earns 10% compounded quarterly

    asked by dawn
  89. probability

    Let N,X1,Y1,X2,Y2,… be independent random variables. The random variable N takes positive integer values and has mean a and variance r. The random variables Xi are independent and identically distributed with mean b and variance s, and the random

    asked by juanpro
  90. chemistry

    what is the mass percent of an aqueous sodium hydroxide solution in which the molarity of NaOH is 4.37M? the density of the solution is 1.1655 g/mL.

    asked by Anonymous
  91. Networking

    firm is assigned the network part 128.171. It selects a 10-bit subnet part. a) Draw the bits for the four octets of the IP address of the first host on the first subnet. (Hint: Use Windows Calculator.) b) Convert this answer into dotted decimal notation.

    asked by Steve
  92. math

    a bag has 6 green marbles, 4 red marbles, 5 yellow marbles, and 3 purple marbles. what is the probability of choosing a purple marble? A. 1/6 B. 6/18 C. 3/20*** D. 1/9

    asked by please help ms.sue
  93. Science

    How do gravitational and electrical forces act on a maglev train?

    asked by Anonymous
  94. biology

    The two main structures that make up a kidney are the A. hilus and cortex B. cortex and medulla c. renal pelvis and medulla

    asked by Linda
  95. English

    He is a good cook. (What does this sentence above mean? Which ones are similar to this sentence among the following?) 1. He can cook very well. 2. He cooks well. 3. He really cooks well. 4. He does cook well. 5. He cooks very well. 6. He does cook very

    asked by rfvv
  96. Math

    Andy needs to pay off a loan of $18,000 in 5 years. Find the amortization payment he would need to take each semi-monthly pay period (twice a month) at 6% compounded bi-monthly, in order to pay off the loan.

    asked by Mai
  97. physics 1

    Neutron stars consist only of neutrons and have unbelievably high densities. A typical mass and radius for a neutron star might be 5.6 x 1028 kg and 1.5 x 103 m. (a) Find the density of such a star. (b) If a dime (V = 2.0 x 10-7 m3) were made from this

    asked by Anonymous
  98. angle measurements HELP ME PLZ QUICKLY!!!

    name the type or triangle with angle measurements of 30 degrees , 60 degrees, and 90 degrees. A. a acute triangle B. a equilateral triangle C. right triangle D. a Obtuse ( I think its a right am I right? btw I no what this triangle would look like thought

    asked by mia
  99. math

    ) Determine whether the following two planes x + 4y − z = 7 and 5x − 3y −7z = 11 are parallel, orthogonal, coincident (that is, the same) or none of these.

    asked by Carrolyn
  100. MATH

    Raul reads 22 pages per hour. How many pages did he read in x hours? write an algebraic expression to represent th situation.

    asked by Skye
  101. phisecs

    water is moving with a speed of 5 m/s through a pip with a cross-sectional area of 4cm^2 . the water gradual descends 10 m as the pipe cross-sectional area increases 8cm^2 . if the pressure at the upper level is 1.5*10^5 , the pressure at the lower level

    asked by w
  102. Language arts verbs

    Aaron plans to attend college once he completes this course workbook

    asked by Anonymous
  103. chemistry

    which of the following solutes, dissolved in 1kg of water, would be expected to provide the fewest particles and to freeze at the highest temperature? (NH4)2SO4 , CaCl2, and/or NaCl.

    asked by Anonymous
  104. Algebra

    a cylindrical water tank has a volume of 20π cubic feet . the height of the tank is 1 foot more than 2 times of its radius . find the radius and height of the tank

    asked by Anonymous
  105. Physics

    A small plane can travel at 200 km/h in still air. If a 50.0 km/h wind is coming from the east, determine the ground velocity of the plane if the pilot keeps the plane pointed [N].

    asked by Corey Brown
  106. physics

    A ball of mass m=0.25 kg is dropped from rest. What is the speed of the ball after it falls two meters?

    asked by Elle
  107. Physics

    A 12,000kg railroad car traveling at 12.0m/s couples with an identical car sitting on the tracks. What is the speed of the joined card?

    asked by Shon
  108. Physics

    A 10.0g bul let traveling horizontally at 365 m/s strikes and becomes embedded in a 2.25kg block of wood placed on a large table. What will be the speed of the bullet block combination immediately after impact ?

    asked by Shon
  109. chemistry

    What is the % yield of of a reaction in which 40.00g of tungsten(VI)oxide (WO3) reacts with excess hydrogen gas to produce metalic tungsten and 5.40mL of water. (assume the density of water is 1.00g/mL)

    asked by Jake
  110. writting

    One of the cups are missing

    asked by Anonymous
  111. physics

    How fast does water flow from a hole at the bottom of a very wide, 7.8m deep storage tank filled with water? Ignore viscosity.

    asked by anonymous
  112. math (SIMPLE INTEREST)

    at what rate of simple interest will a sum of money double itself in four year ?

    asked by fizz
  113. English

    How do I make this more positive? Dear renter: Effective march 1, the rent for your parking space will go up $10 a month. However, our parking lot is still not the most expensive in town. Many of you have asked us to provide better snow and ice removal and

    asked by Maci
  114. us history

    Describe the major military confrontations between the Native Americans and whites on the post-Civil war frontier

    asked by Harold
  115. Physics

    An airplane requires 420 m of runway to take off from an airstrip. If the plane starts from rest and it takes 32 s to lift off, with what velocity does it leave the ground? What was the average acceleration of the plane?

    asked by Corey Brown
  116. math

    Reggie knows the length and width of a rectangle. How can he find the perimeter of the rectangle

    asked by sam
  117. english

    In the book Giver -- the committee of elders consulted the giver for what?

    asked by steve
  118. Probability

    the expected number of defects in a particular size is 5. What is the probability of getting one or less defects in the sample

    asked by Nedge5q
  119. Calculus

    At 8:00am, ship A is 120km due east of ship B. Ship A is moving north at 20km/hr, and ship B is moving east at 25km/hr. How fast is the difference between the two ships changing at 8:30am?

    asked by Mitzi
  120. Geometry

    karen is buying wallpaper for one wall of her bedroom which is 12ft by 13ft if the wallpaper is sold in tolls of 5 ft each how many rolls will she need to purchase

    asked by Popppppmusic
  121. calculus

    x(t)=3t^3-40.5t^2+162t find where object is speeding up or slowing down

    asked by Anonymous
  122. algebra

    when P dollars is invested at interest rate (I), compounded annually, for (t) years, the investment grows to (A) dollars, where A=P(1+I)^3. Find the interest rate if $40,960 grows to $49,130 in 3 yrs.

    asked by david
  123. Physics

    A lifeguard who can swim at 1.2 m/s in still water wants to reach a dock positioned perpendicularly directly across a 550 m wide river. 1. If the current in the river is 0.80 m/s, how long will it take the lifeguard to reach the dock? 2. If instead she had

    asked by Corey Brown
  124. Geometry MATH

    the vertices of a quadrilateral are A(-4,-3), B(2,-3), C(4,-6) and D(-2,-6) Find the area of quadrilateral ABCD

    asked by Popppppmusic
  125. BIOLOGY

    If a PCR product is 659 bp, how many D1S80 repeats are present in that DNA molecule?

    asked by BIOLOGY
  126. physics

    A small ball with a mass of 0.05 kg moves along a circular orbit with a radius of 0.9 m at a speed of 9.0 m/s. What is the angular momentum of the ball? If the angular momentum of this ball were quantized in the same manner as the angular momentum of

    asked by Anonymous
  127. english

    Do you know when to ride a bike? Do you know when you should ride a bike? - 1. Yes, I do. I have to ride a bike between 5 and 7 p.m. - 2. Yes, I do. I should ride a bike during the daytime. - 3. Yes, I do. I must ride a bike on weekends. (Are both the

    asked by rfvv
  128. Physic

    A 135 g baseball traveling at a speed of 36 m/!@#$%^&s a bat and moves back along its incoming trajectory with a speed of 47 m/s. a) What is the impulse delivered to the ball by the bat? (Answer: 11.2kg * m/s) b) If the duration of the bat-ball collision

    asked by Anonymous
  129. physics 1

    Neutron stars consist only of neutrons and have unbelievably high densities. A typical mass and radius for a neutron star might be 5.6 x 1028 kg and 1.5 x 103 m. (a) Find the density of such a star. (b) If a dime (V = 2.0 x 10-7 m3) were made from this

    asked by Anonymous
  130. Math

    Which quadrilateral has four congruent sides, its opposite sides are parallel, and does not have four right angles?

    asked by Tony B.
  131. Statistics

    The ABC Self-Concept Inventory has a split- half reliability coefficient of 0.90 and the XYZ Self-Concept Inventory has a Spearman- Brown reliability coefficient of 0.90. And if all factors are equal, which instrument would be chose to use?

    asked by Natalie
  132. Chemistry

    Write the class/family of the following compounds and the functional group in each compound. a. 3-methylcyclohexene b. Cis-3-octene c. 4-methyl-2-heptanone d. 3-bromobenzaldehyde e. 3-bromo-5-chlorotoluene f. 3-chlorophenol g. 6-methyl-2-heptyne Please

    asked by Christina
  133. Chemistry pH

    What is the pH of a solution that contains 0.30 M HC2H3O2 and 0.95 M C2H3O2-? Use Ka = 1.8 × 10-5 for HC2H3O2.

    asked by Dina
  134. health

    how is cardiac muscle similar to smooth muscle a. both are striated b.they share no similarities c. they share no differences d. both have one central nucleus

    asked by Anonymous
  135. math

    A.) start by calculating how long it will take you to save enough money and pay cash with your potential $300.00/month savings, taking into account the $1000.00 you have already saved. B.)Now imagine you have invested your original $1000.00 savings. I.)

    asked by sim
  136. algebra

    Show that the four points (2,0,1), (−1,2,3), (3,2,2) and (3,−6,−3) lie in a plane.

    asked by Carrolyn
  137. math

    If tree is broken 18 feet from its base. The top lands 24 feet from the base. How tall is the tree?

    asked by marcus
  138. math- Calc

    a spherical balloon is filled with water. if the water is leaking out at a rate of 2 cm^3/min, find the rate at which the radius is changing when the volume is v=1000cm^3?

    asked by Louis
  139. Physics

    What is the partial pressure of water on a day when the temperature is 25C and the relative humidity is 33% P=___Pa

    asked by Jay
  140. Math

    The distance d1 in miles, a small plane is from its final destination is given by d(t) = 250 – 100t, where t is the time, in hours, remaining for the flight. Find and discuss the meaning of the intercepts of the graph of the function. (You must first

    asked by Debbie
  141. pjysics

    A capacitor that has 10 cm diameter plates, 0.1mm apart, is charged at 100 V and the battery removed afterwards. What are the charges on each of the platesimmediately after charging the capacitor? What is the voltage if the distance between plates is

    asked by tj
  142. Math

    Karen, John , Sue, Tony , and Liz go to dinner. The total bill comes to $84.00, and they decide to leave a 15% tip. If they each decide to pay equally, what is the amount that each person must pay towards the total bill?

    asked by Lycia
  143. math

    Javierminuteis bike for a total of 41 minutes. Before lunch,he rode For 1 minute less Than 5 times the number of minutes he rode after lunch. How many minutes did Javier ride before lunch?

    asked by shekinah
  144. math

    Allison needs 2 yards of blue ribbon, 1/2 yard of yards of yellow ribbon and 3/4 yards of green ribbon at $ 2.00 a yard. How much money do she need for the ribbon.

    asked by brandon
  145. Algebra1

    Find the sum of the first 33 terms of the arithmetic sequence whose first term is 3 and whose 33rd term is -253.

    asked by Aly
  146. Physic

    If a 35 g arrow moving at 160 km/h penetrates a block of wood suspended by a rope, what impulse is delivered to the block? (Answer: 1.56kg * m/s) What velocity will the wood block acquire if its mass is 7.0 kg? Ignore the mass of the arrow compared to that

    asked by Anonymous
  147. math (SIMPLE INTEREST)

    1.find a)simple interest earned b) simple amount for the following investment ii)RM15000 for 5 1/4 years 6 at 9 percent per annum

    asked by fizz
  148. Algebra 2

    Ordered pair is from an inverse variation: (3,1/3) how do I find the constant of variation?

    asked by Linda
  149. math (SIMPLE INTEREST)c

    calculate the exact and approximate number of days i) from 19 november 1995 to 1 may 1996 then,i want to know how i can differences between exact time approximate time. sometimes i cannot understand how to find the approximate time

    asked by fizz
  150. Algebra

    Graph the linear equation y=4/5x+5 I know how to plot the points. I just need help figuring out what numbers to plot.

    asked by Christopher
  151. water chemistry

    35.0mL sample of 0.150M acetic acid9HC2H3O2)(Ka=1.8*10-5) is titrated with 0.150M NaOH solution. calculate the pH AFTER 17.5 Ml volumes of base have been added.

    asked by mbuyelo
  152. math

    A movie theater ticket booth opens at 10 am. There are four tellers who divide the customers evenly. The tellers have served 16 customers so far this morning. which expression represents the unknown number of customers each teller will serve? Let c

    asked by Jeff
  153. English help

    A music conductor is one who ________. To lead one in is to ________, and abduct is to ________. Chrono means "time" so to "synchronize" means to __________. Since phon means sound, symphony must be _______. If thesis means "idea", then synthesis must mean

    asked by Anonymous
  154. Phyiscs-Energy conservation

    An escalator in a shopping centre carries people up through a height h at a vertical speed of v, but you’re in a hurry when you step onto it, so you climb the moving steps (each with a height of h ) at a rate of n steps/s. Determine: 4.1 the amount of

    asked by Debby
  155. the cell

    Which of these is the smallest structure? A. Dipeptide B. Amino acid C. Protein D. Polypeptide

    asked by gg
  156. Language arts Mrs.Sue check Plz

    A factory might emit (1 point) pollution. smokestacks. resources. 2. How do the members of Don’t Be Crude make a persuasive appeal? (1 point) by embarrassing people by educating people by encouraging people by making people laugh 3. What did Gina Gallant

    asked by Raina
  157. Math 10

    Algebraically, determine the vertex form of a quadratic relation, if the vertex is at (-1, 2) and the point (1, -10) is on the parabola. Show all of your steps. I know that the formula is y=a(x-h)suared+ k but how do i apply these numbers to this formula?

    asked by Serena
  158. math (SIMPLE INTEREST)

    1.find a)simple interest earned b) simple amount for the following investment i)RM20000 for 4 years 6 months at 11% per annum

    asked by fizz
  159. Math

    Given a total profit of p(x) = 1.4x-0.02x^2-20 let x represent a number of days and find profit achieved and when that profit is made

    asked by Jo

    The perimeter of rhombus JKLM is 40. If MN=8, then find the area

    asked by Popppppmusic
  161. Math

    Graph the equation. Be sure to simplify equation before graphing it. -18+2y=-7y I got the answer y=2 because I subtracted 2 from both sides got -9 then divided by -18 and got 2. y=2. So now can someone help me with graphing the points?

    asked by Christopher
  162. English help

    From the words below, supply the words needed to complete the sentences. Prodigious, Impartial, Profusion A. While the big money contributors had remained IMPARTIAL at the beginning of the campaign, when it narrowed down to the two chief contenders, a

    asked by Anonymous
  163. math

    A movie theater ticket booth opens at 10 am. There are four tellers who divide the customers evenly. The tellers have served 16 customers so far this morning. which expression represents the unknown number of customers each teller will serve? Let c

    asked by Skye
  164. Science

    A horizontal force 10 N is necessary to just hold a block stationary against a wall . The coefficient of friction between the block and the wall is 0.2 . The weight of the block will be ?

    asked by Lalit
  165. MATHS

    Ali went to the store to buy vegetables he bought 16 ounce of potatoes 1.5 pounds of onions,4 ounce of celery 1 pound of tomatoes and 4 ounce of garlic what is the total weight of the vegetables in pounds/

    asked by pinks
  166. calculus help

    find the position function s(t) given acceleration a(t)=3t, if v(2)=0, and s(2)=1. the answer is s(t)=(t^3/2)-6t +9 but I don't know how to solve this. Can someone help me with this? Thank you!

    asked by Anonymous
  167. cheMYSTERY

    A 20.00 mL of 0.200mol/L magnesium chloride solution is added to a 95.00 mL of 0.800 silver (I) nitrate solution,Determine the concetration of the silver ions at the end of the reaction and the magnesium ions. and a precipitate is formed.

    asked by sandeep singh
  168. Calculus

    Use u-substitute to compute the following: A) ∫((x)/((x^2)+5)) dx B) ∫((sin(ln(x)))/(x)) dx

    asked by ACDub
  169. math

    A movie theater ticket booth opens at 10 am. There are four tellers who divide the customers evenly. The tellers have served 16 customers so far this morning. which expression represents the unknown number of customers each teller will serve? Let c

    asked by Sally
  170. analytical chem

    10.00mL of 0.100mol/L HCl solution is add to 10.00mL of 0.100mol/L NaOH solution. what is the pH of the resulting solution?

    asked by deg

    A 20.00 mL of 0.200mol/L magnesium chloride solution is added to a 95.00 mL of 0.800 silver (I) nitrate solution, and a precipitate is formed. a.Determine the concetration of the nitrate ions at the end of the reaction I was able to calculate the things

    asked by michael
  172. shakespeare

    places in his life can it be where he was born what else conflicts in his life idk women in his life anne hathaway his wife men in his life can it be his fayher and the ppl he owrked with and his publisher children in his life susanna hamnet and judith

    asked by Reina B.
  173. Pre-Cal


    asked by Anonymous
  174. Geometry

    the verticies of a quadrilateral are A(-4,-3), B(2,-3), C(4,-6) and D(-2,-6) gind the perimeter of quadrilateral ABCD

    asked by Popppppmusic
  175. Math

    find the intercept and graph. -x+3y=-6 I need to complete the ordered pair (3,) so im I setting the problem up right -x(3)+3y=-6? and thus the missing ordered pair is -2?

    asked by Christopher
  176. TRIG

    Half angles in trig (square root(1-square root(21)/5)/2)

    asked by Renee ( PLEASE HELP ME)
  177. Math

    How do I calculate the monthly payment required to repay a $250,000 loan in 15 years at 5.75% interest compounded monthly?

    asked by Silvia
  178. math

    Martin is building a square platform in the drama room at school. He knows the side length of the square needed for the platform. Which function can he use to determine F(x), the area in square feet of the platform?

    asked by Kallie
  179. Math

    Elisa has 50 invitations to distribute to her neighbors over three days. She distributes 12 on the first thing and, i, invitations on the second day. Which expression can best be use to find the number of invitations left to distribute on the third day

    asked by Cindy
  180. Social Studies

    Why did Madison think the federalism will prevent problems? -->this question is referring to the late 1700's. The "who" is James Madison.

    asked by INeedHelp
  181. Introduction to Chemistry

    Hydrogen gas has a pressure of 765mm Hg, a volume of 355mL,and a temperature of 22 degrees C. What is the new volume of this gas if the pressure is 5.1atm,and at a temperature of 48degrees C?

    asked by Renee
  182. business

    research please assist how do you start a hospital please give websites for contact information thank you

    asked by anita
  183. Social Studies

    What were the jobs performed by the British when they were in India, back in 1858

    asked by Anonymous
  184. physics

    The oscillator that generates a wave completes 47 vibrations in 29.2 s. A given crest of the wave travels 382 cm along the rope in a time period of 10.3 s. What is the wavelength?

    asked by Adriana
  185. Chemistry

    Calculate empirical formula C=41.7%,H=6.2%,N=19.3%, and O=33.1% Thanks. any help at all will be awesome!

    asked by Greg
  186. physics

    if an ideal gas expands rapidly doing work 450 j of work on its environment, how much heat flowed into or out of it

    asked by mohanad
  187. physics

    First start with an isothermal expansion at 2.0 atm from 1.0 L to 4.0 L. If this now is adiabatically compressed back to its original volume, what is the change in internal energy here? Also what are some examples of these processes

    asked by Anonymous
  188. bearings

    The lines y=4x-7 and 2x+3y-21=0 intersect at a point A. The point B has coordinates (-2, 8).Find the equation of the lines that passes through the points A and B

    asked by eliasbaisi
  189. Science

    Which of the following would increase the magnetic field around a wire? A. solenoid B. insulator C. conductor D. resistor

    asked by Anonymous
  190. 4th grade math

    sam has 7 17/20 dollars. write 7 17/20 dollars in decimals

    asked by mythreyee
  191. Math

    How to solve quadratic equation by graphing x^2-5 + 4= -2

    asked by Janis
  192. geometry

    what does the word congruent mean? Sry my dad forgot this one!

    asked by mia
  193. Physics

    A cylinder with a movable piston encloses 0.39 mole of ideal gas at 308K . How much heat is required to increase its volume isothermally by a factor of 3? 1100J 1400J 1600J 550J

    asked by Lindsay
  194. business

    how to open a new hospital

    asked by anita
  195. health

    what is the primary function of the skeletal muscle a. protecting the body from harm b. heating the body c. contraction d. pumping blood to the rest of the body

    asked by Anonymous
  196. statistics

    If M=1000; SD=200. What score do 20% of the test-takers score?

    asked by Yolanda
  197. math

    a ground is 80m wide& 60m long. how much wire is required for fits fencing in two rows.

    asked by anita
  198. business plan

    The information you gave staed a error please check information a resubmit thank you

    asked by anita
  199. Algebra

    How would you simplify b^4=25/4

    asked by Lily
  200. math please help

    Your parents have just brought you a care and now you have an opportunity to "deck it out." how would you change/ enhance your vehicle to make it your dream car? What features/parts would you add, including taxes. Imagine you have a job, $1000.00 in

    asked by sim
  201. English help

    From the words below, supply the words needed to complete the sentences. Vicariously, vicissitudes, tawdry, ponderous, sycophant, implausible. A. One might say that Tennessee Williams lived VICARIOUSLY through the character of brick in his play cat on a

    asked by Anonymous
  202. math

    7/10 got to the pool by car, 1/5 took the bus, and 1/6 walked. how many more came by car than on foot? How many fewer came by foot?

    asked by Anonymous
  203. Math

    soybean mean is 16% protein and corn mean is 9% protein. how many pounds of each should be mixed to get a 350 pound mixture that is 13% protein?

    asked by Mohamed
  204. MATH

    A movie theater ticket booth opens at 10 am. There are four tellers who divide the customers evenly. The tellers have served 16 customers so far this morning. which expression represents the unknown number of customers each teller will serve? Let c

    asked by COURTNEY
  205. maths

    find value of a and b in root 3 _1/root 3+1=a+b root 3 if a and b are rational numbers

    asked by daahin
  206. math

    anually compound amount and compound interest of $42.000 with a nominal rate of 11% for 19 years

    asked by theresa
  207. math

    A movie theater ticket booth opens at 10 am. There are four tellers who divide the customers evenly. The tellers have served 16 customers so far this morning. which expression represents the unknown number of customers each teller will serve? Let c

    asked by Amber
  208. hsm 220

    Can someone please help put a budget together for this class. Working on creatibg a budget for department of efucation with a buget of 1.6 million for high school dropouts

    asked by verna
  209. rela

    elizabethan social classes and the roles each played in elizabethan england

    asked by Anonymous
  210. reading

    a name i can use for the elizabethan time period first and last name

    asked by Reina B.
  211. Science

    The moon reflects sunlight...yes or no

    asked by Mohammad
  212. math

    An analysis of the ledger detail is required to differentiate owner's equity beginning balance from the amount of additional investments made during the period. True

    asked by Anonymous
  213. Computer Programming

    Professor Merlin has asked you to help him. He has 100 total students in his four classes but he is not sure that all of them took his last exam. He wants to average the grades for his last exam in four sections of his medieval literature course and then

    asked by Giris
  214. English

    Neither I nor she will able to climb the tree. Neither I or she will able to climb the tree. Which sentence is right and why?

    asked by Anonymous
  215. Science

    Can someone explain center of mass in simple terms?

    asked by Anonymous
  216. math

    20 learners, 1/4 palys soccer and 1/5 plays netball, the rest plays rugby. What fraction plays rugby?

    asked by Nonny
  217. Chemistry

    The part of an electrochemical cell that carries electrons to a reacting ion is a(n) (1) cathode (2) anode (3) electrode (4) electrolyte

    asked by Brian
  218. math

    A fish is swimming 18 centimeters beliw the surface of the stream which integer best describes the elevation

    asked by Anonymous
  219. English help

    From the words below, supply the words needed to complete the sentences. Chronic, clairvoyance, inadvertent, pretentious, celestial, vanguard. A. John had a CHRONIC back pain that left him bedridden. He refused, however, to visit the doctor because of the

    asked by Anonymous
  220. math

    in a class of 480 students if 60% are boys then find the number of girls in the class?

    asked by Niran
  221. math

    i need to know the mean, median, mode,and the mid-range to this data 37,35,32,34,40,46,25,32,42,33

    asked by casandra
  222. alg.

    Solve. (If there is no solution, enter NO SOLUTION.) y= x^2-x-4 y=x+4 (x, y) = ( , ) (smaller x-value) (x, y) = ( , ) (larger x-value) x^2 + y^2 =10 x+y=4 (x,y)= ( , ) smaller value (x,y)= ( , ) larger value

    asked by HELP
  223. math

    what is the compound amount and compound interest of $7.700 with a nominal rate of 6% for 5 years

    asked by theresa
  224. triangle measurements

    if a triangle has a top length of 13 cm and a lower length of 12 cm what would the height of the triangle be?

    asked by mia
  225. geometry

    what does the word supplementary mean in the case of dealing with angles?

    asked by mia
  226. geometry

    there is a six sided shape for example: -------------- / \ / \ / \ | | \ / \ / \-------------/ ( I tried my best!) is it a hexagon or a pentagon? I no its not a triangle or a octogan but im not sure about the other two. Plz help me!

    asked by mia
  227. math

    a bottle of juice completely fills a cylinder 10 inches tall and 4 inches in diameter. if one bottle of juice is poured into a cylindrical pitcher with a diameter of 6 inches, to what depth in inches will it fill the pitcher?

    asked by brianna
  228. soital studied

    what is the quran

    asked by MRS.pete
  229. Social Studies

    What were the resources of India back in 1858?

    asked by Anonymous
  230. tech

    Features within the social network: for twitter is it able to tweet, add pictures, message ppl

    asked by yasminb.
  231. maths

    if a and b are rational numbers in^3+1/^3_1=a+b^3 find the value of and b

    asked by daahin
  232. English

    1. violet: flower:: A. psychosis: illness B. pink: red C. shadow: sun D. chair table Is it A? 2. gems: jeweler:: A. gold: miser B. airplane: pilot C. driver: car D. clay: potter Is it B? 3. day: night:: A. few: many B. red: color C. fin: fish D. life:

    asked by Anonymous
  233. math

    solve the equation: 3x^2 + 2x + 2 = 0

    asked by Ilse
  234. managerial accounting

    what is nile's strategy for success in the marketplace ?

    asked by Anonymous
  235. math *check*

    x:1,2,3,4,5,6,7,8,9 ---------------------------------------------------------------------------------- y:0.8,2.1,3.1,3.8,5.2,8.4,6.9,8.1,9

    asked by person
  236. state of matter

    why solid is the least amount of energy?

    asked by Chloé
  237. Math


    asked by Brooklynn