Questions Asked on
March 27, 2012

  1. Chemistry

    Calculate the change in PH when 6 ml of 0.1 M HCl is added to 100 ml of a buffer solution that is 0.1 M in NH3 and 0.1 M in NH4Cl. And calculate the change in PH when 6 ml of 0.1 M NaOH is added to the original buffer solution.

    asked by Mima
  2. algebra

    why did the gyro go into the bakery?

    asked by marquis
  3. language arts

    tell which letter is a correct answer to the questions. a question may have more than one right answer. Which of the following can be inflamed? a. a wound b. a menu c. an interrogation d. a congregation (I know for sure an answer is 'a' but I'm wondering

    asked by SoccerStar
  4. Physics

    Gamma-ray bursters are objects in the universe that emit pulses of gamma rays with high energies. The frequency of the most energetic bursts has been measured at around 3.0 × 10 21 Hz. The speed of light is 3 × 10 8 m/s. What is the wavelength of these

    asked by Angel
  5. chemistry

    A 0.100 M solution of K2SO4 would contain the same total ion concentration as which of the following solutions? A. 0.0800 M Na2CO3 B. 0.100 M NaCl C. 0.0750 M Na3PO4 D. 0.0500 M NaOH

    asked by Michael
  6. physics

    A 70-kg fisherman in a 138-kg boat throws a package of mass m = 15 kg horizontally toward the right with a speed of vi = 4.8 m/s as in the figure below. Neglecting water resistance, and assuming the boat is at rest before the package is thrown, find the

    asked by Taylor
  7. CHEMISTRY

    a) Calculate the change in pH when 4.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in NH3(aq) and 0.100 M in NH4Cl(aq). b) Calculate the change in pH when 4.00 mL of 0.100 M NaOH(aq) is added to the original buffer

    asked by Jematormal91
  8. Chemistry

    How much CuSO4.5H20 would you need to prepare 6 grams of copper ammine complex, [Cu(NH3)]SO4.H20? There is only 1 ammonia molecule in the copper ammine complex. please answer asap, thanks!

    asked by Melanie
  9. physics

    Your friend of mass 80 kg can just barely float in freshwater.Calculate her approximate volume.

    asked by Kristie
  10. physics

    A spiral spring stretches 4 cm when a mass of 0.5 kg is suspended from it. what is the spring constant?

    asked by jamal
  11. physics please help!!

    A distant galaxy is simultaneously rotating and receding from the earth. As the drawing shows, the galactic center is receding from the earth at a relative speed of uG = 1.90 106 m/s. Relative to the center, the tangential speed is vT = 3.00 105 m/s for

    asked by linds
  12. physics

    Which of the following is true for popcorn kernels and the water molecules inside them during popping? a. The temperature of the kernels increases. b. The water molecules are destroyed. c. The kinetic energy of the water molecules increases. d. The mass of

    asked by ihatephysicsgah
  13. chemistry

    Hydrogen and oxygen react to produce water according to the equation below. 2 H2 + O2 2 H2O How many liters of hydrogen at STP are needed to produce 0.24 mol H2O?

    asked by marie
  14. ms.sue 5 grade math

    1-Becky made 4 quarts of chicken noodle soup in a big pot, then served -cup bowls of soup to 6 people. How much soup is left in the pot? (1 qt = 4 c) A. none B. 1 qt 3 c C. 1 qt 1 c D. 3 c my son put answer (B) 2- A bedroom has the dimensions shown. What

    asked by dw
  15. math

    A rectangular lot is bordered on one side by a stream and on the other three sides by 360m of fencing. Find the dimensions of the lot in order to maximize area. (Also, does it make sense if the answer I got is 180m width, 90m length?)

    asked by cs
  16. Microbiology

    Why do you suppose Streptomyces griseus produces an enzyme that inactivates streptomycin? Why is this enzyme produced early in metabolism?

    asked by BIO
  17. Chemistry III

    Assume you dissolve 0.240 g of the weak acid benzoic acid, C6H5CO2H, in enough water to make 1.16 102 mL of solution and then titrate the solution with 0.153 M NaOH. C6H5CO2H(aq) + OH -(aq) C6H5CO2-(aq) + H2O(l) (a) What was the pH of the original benzoic

    asked by Kelly
  18. Chemistry II

    You place 1.234 g of solid Ca(OH)2 in 1.00 L of pure water at 25°C and it partially dissolves. The pH of the solution is 12.40. Estimate the Ksp for Ca(OH)2.

    asked by Kelly
  19. Statistics

    A machine is used to fill soda bottles in a factory. The bottles are labeled as containing 2.0 liters, but extra room at the top of the bottle allows for a maximum of 2.25 liters of soda before the bottle overflows. The standard deviation of the amount of

    asked by Kayla
  20. math

    Angie drew a number line and labeled 0 and 1. To show 5/12, how many parts should she divide the distance from 0 to 1?

    asked by destiny
  21. Physics

    A garden roller is pulled with a force of 200N acting at an angle of 50* with the ground level.Find the effective force pulling the roller along the ground.

    asked by Allwell
  22. math

    Louise is creating a 1-foot long comic strip. If she has marked 0.5 on her paper, what should she do to find 1 foot? Subtract 0.5 Add 0.2 Multiply 0.5 Add 0.5

    asked by destiny
  23. Physics

    The vector position of a 3.45 g particle moving in the xy plane varies in time according to 1 = 3 + 3t + 2t2 where t is in seconds and is in centimeters. At the same time, the vector position of a 5.00 g particle varies as 2 = 3 − 2t2 − 6t. Determine

    asked by Sheri
  24. physics

    Sam, whose mass is 82 {\rm kg}, takes off across level snow on his jet-powered skis. The skis have a thrust of 240 {\rm N} and a coefficient of kinetic friction on snow of 0.11. Unfortunately, the skis run out of fuel after only 15 {\rm s}.

    asked by Rachel
  25. Chemistry

    If 33.6 grams of KCl are dissolved in 192 grams of water, what is the concentration of the solution in percent by mass? AND if 2.1 moles of CaCl2 are dissolved in enough water to make a .92 liter solution what is the resulting molarity? Please help and

    asked by Dr. David
  26. math

    Complete in Metric Conversions: Estimate the cost ($) of the concrete required to construct a concrete sidewalk shaped as shown on the board. The required depth of the concrete in the sidewalk is 4 inches and the concrete costs $105/cubic yard.

    asked by Amy
  27. physics

    A convex lens is needed to produce an image that is 0.55 times the size of the object and located 30 cm from the lens on the other side. What focal length should be specified?

    asked by Anonymous
  28. English

    i please need help with two short stories today. i write the first one here it be called Chicken-Hips. The women of the household clucked disapprovingly when they saw me. It was the first time I had worn African clothes since my arrival in tiny, dusty

    asked by Mohammad
  29. physics

    A block of wood of mass 6.0 kg slides along a skating rink at 12.5 m/s^2 [w] . The block slides onto a rough section of ice that exerts a force of 30 N force of friction on the block of wood. The acceleration of the block of wood is 5.0 m/s^2 [E] and it

    asked by Isabella
  30. physics

    The electromagnetic wave that delivers a cellular phone call to a car has a magnetic field with an rms value of 1.90 10-10 T. The wave passes perpendicularly through an open window, the area of which is 0.20 m2. How much energy does this wave carry through

    asked by jay
  31. chemistry

    Consider the cell: (Pt) H2/H+ || (Pt) H+/H2. In the anode half-cell, hydrogen gas at 1.0 atm is bubbled over a platinum electrode dipping into a solution that has a pH of 7.0. The other half-cell is identical to the first except that the solution around

    asked by Anonymous
  32. physics

    A 6.2kg piece of metal displaces 0.80 L of water when submerged.Find its density.

    asked by Kristie
  33. Physics

    A dog, with a mass of 8.0 kg, is standing on a flatboat so that he is 26.8 m from the shore. He walks 8.6 m on the boat toward the shore and then stops. The boat has a mass of 36.0 kg. Assuming there is no friction between the boat and the water, how far

    asked by Julia
  34. Physics help please!!!

    A 2.10 kg frictionless block is attached to an ideal spring with force constant 315N/m . Initially the block has velocity -3.75m/s and displacement 0.270m . Find (a) the amplitude of the motion. (b) the maximum acceleration of the block. (c) the maximum

    asked by john
  35. physics

    A 70-kg fisherman in a 138-kg boat throws a package of mass m = 15 kg horizontally toward the right with a speed of vi = 4.8 m/s as in the figure below. Neglecting water resistance, and assuming the boat is at rest before the package is thrown, find the

    asked by Taylor
  36. chem

    given PCl5(g)+heat PCl3(g)+Cl2(g) a. addition of cl2 answer : would shift to the left b. increase in pressure: answer: ? c. removal of heat answer: ? d. Removal of PCl3 as it forms answer: ? please help! thanks!

    asked by hello
  37. Physics

    The vector position of a 3.45 g particle moving in the xy plane varies in time according to 1 = 3 + 3t + 2t2 where t is in seconds and is in centimeters. At the same time, the vector position of a 5.00 g particle varies as 2 = 3 − 2t2 − 6t. Determine

    asked by Sheri
  38. Intermediate Algebra

    Solve using the elimination method.Show work.If system has no solution state this or infinite solution 8x+10y=-34 16x-5y=-43

    asked by sherry
  39. Chemistry

    What quantity of heat is necessary to convert 50.0 g of ice at 0.0 C into steam 100,0 C? The heat of fusion is 80.0 cal/g, the heat of vaporization is 540 cal/g, and the specific heat of water is 1.00 cal/gC.

    asked by Jill
  40. statistics

    The time it takes Jessica to bicycle to school is normally distributed with an average of a third of an hour and a variance of 9 minutes. Jessica has to be at school at 8:15 am. What time should she leave the house so she will be late on 5% of the time?

    asked by Pat
  41. physics

    Suppose that you balance a 6kg ball on the tip of your finger, which has an area of 1 cm^2 Find the pressure on your finger.

    asked by Kristie
  42. Chemistry

    A 20.2 mL sample of a weak monoprotic acid, HX, requires 50.0 mL of 0.060 M NaOH to reach the equivalence point. After the addition of 30.0 mL of NaOH, the pH is 5.50. What is the Ka of HX?

    asked by Kelly
  43. Chemistry

    Calculate the concentration of all species in a 0.240 solution.

    asked by Anonymous
  44. physics

    A block of wood of mass 6.0 kg slides along a skating rink at 12.5 m/s^2 [w] . The block slides onto a rough section of ice that exerts a force of 30 N force of friction on the block of wood. The acceleration of the block of wood is 5.0 m/s^2 [E] and it

    asked by Isabella
  45. Physics

    The vector position of a 3.45 g particle moving in the xy plane varies in time according to 1 = 3 + 3t + 2t2 where t is in seconds and is in centimeters. At the same time, the vector position of a 5.00 g particle varies as 2 = 3 − 2t2 − 6t. Determine

    asked by Sheri
  46. Physics

    An object located 18 cm from a convex mirror prodeucses a virtual image 9 cm from the mirror. What is the magnification of the image?

    asked by Shirley
  47. Physics

    The vector position of a 3.45 g particle moving in the xy plane varies in time according to 1 = 3 + 3t + 2t2 where t is in seconds and is in centimeters. At the same time, the vector position of a 5.00 g particle varies as 2 = 3 − 2t2 − 6t. Determine

    asked by Sheri
  48. Algebra

    A boat's crew rowed 7.5 downstream,with the current, in 1.5 hours. The return trip upstream against the current,covered the same distance,but took 2.5 hours. Find the crew's rate in still water and the rate of the current.

    asked by Anna
  49. Chemistry

    Chemistry HELP - Rates of reaction, redox reactions? 10 points? An structural isomer of bromobutane (C4H9Br) can be hydrolysed using aqueous sodium hydroxide to produce butanol. This can be represented by the following equation: C4H9Br(l) + OH-(aq) >

    asked by Lola
  50. Physics

    The image of a crayon appears to be 20.6 cm behind the surface of a convex mirror and is 3.32 cm tall. The mirror’s focal length is 52.6 cm. a) How far in front of the mirror is the crayon positioned? b) Calculate the magnification of the image

    asked by Angel
  51. URGENT MATH please

    Chris cuts half a rectangular lawn, 40m by 30m, by mowing strips of equal width around the perimeter. Jerri cuts the small rectangle in the middle that's left. How wide a strip does Chris cut so that they share the work equally? Solve by using quadratic

    asked by 11th grade
  52. math

    LOGIC: I plus onehalf of square plus zero plus onehalf of diamond plus center of the sea plus threefourth of X plus zero plus center of the sun?

    asked by sha
  53. math

    Which shows the gymnastic scores in order from least to greatest? 9.72, 9.8, 9.78, 9.87 9.78, 9.72. 9.87, 9.8 9.78, 9.8, 9.72, 9.87 9.72, 9.78, 9.8, 9.87

    asked by destiny
  54. URGENT MATH HELP!

    When a ball is thrown upward, its height, h, in metres, is given by h=1.5 +19.6t -4.9t², where t is the number of seconds after it is thrown. For what length of time is the ball above the ground?

    asked by lost
  55. chemistry

    For the reaction: H2PO4- + HAsO42- ---> HPO42- + H2AsO4- Which pair exists as base in the equilibrium? H2PO4- & H2AsO4- are proton donors,therefore they are conjugate acids. HPO42- & HAsO42- are proton acceptors,therefore they are the base pairs asked in

    asked by Swaastikaa
  56. Physics

    a 4 kilogram ball moving at 8 meters per second to the right collides with a 1 kilogram ball at rest. After the collision, the 4 kilogram ball moves at 4.8 meters per second to the right. What is the velocity of the 1 kilogram ball?

    asked by Hellen
  57. US HISTORY

    The "Cult of Domesticity" most accurately describes A. The lifestyles of factory women B. The responsibilities of farm wives C. The ideal of upper class, nonworking women D. The religious convictions of families in factory towns E. The role of Indian women

    asked by Anonymous
  58. physics

    jack gives 50 kg jill a ride on a sleigh for 500 meters. he exerts a force of 45 Newtons on the rope of the sled at an angle of 30 degrees. He pulls her at a constant velocity. What is the coefficient of friction between the sled and the ground? How much

    asked by amy
  59. physics

    A small circular object with mass m and radius r has a moment of inertia given by I = cmr2. The object rolls without slipping along the track shown in the figure. The track ends with a ramp of height R = 3.0 m that launches the object vertically. The

    asked by Adam
  60. physics

    The Young's modulus for steel is 2x1011 and its rigidity modulus is 8x1010 Nm-2. Find the Poisson's ratio and its bulk modulus.

    asked by pramod
  61. ms.sue 5 grade math

    1-Becky made 4 quarts of chicken noodle soup in a big pot, then served -cup bowls of soup to 6 people. How much soup is left in the pot? (1 qt = 4 c) A. none B. 1 qt 3 c C. 1 qt 1 c D. 3 c my son put answer (B) 2- A bedroom has the dimensions shown. What

    asked by dw
  62. Science

    While Carmen is at the park with her family, she walks up to a wishing well. She throws a penny down the well, and she hears a splash at the bottom. Which of the following best describes what happens as the penny falls? A)The force of gravity is equal to

    asked by Mary Helpppppp
  63. mathematical modeling

    Use the 68-95-99.7 rule to solve: The amount of Jen's monthly phone bill is normally distributed with a mean of $48 and a standard deviation of $6. Fill in the blanks. 95% of her phone bills are between $_____ and $_____.

    asked by Jeremiah
  64. statistics

    Mail security estimates that the average daily per-store theft is less than $250, but wants to determine accuracy of this statistic. The company researcher takes a sample of 81 clerks and finds that X =$260 and s=$20. a) Test at a=.05 b) Construct a 95%

    asked by Diane
  65. Geometry

    The side length of square ABCD is 1 unit. Its diagonal, AC, is a side of square ACEF. Square ACEF is then enlarged by a scale factor of 2. What is the area of the enlargement, in square units?

    asked by Kayla
  66. probability

    there are 4 white balls and 6 red balls in a sack. If two balls are taken out successively ( the first ball is not replaced ) what is the probability that the balls are drawn are of different colors?

    asked by karlo
  67. statistics

    At a local high school students were randomly assigned to one of two math teachers- Mrs smith and mrs jones. After the assignment, Mrs Smith had 30 students and mrs jones had 25 students. at the end of the year each class took the same standardized test.

    asked by Anonymous
  68. math

    sam's birthday cake was cut into 16pcs. after his party, 3 pcs. were left. what fraction of his cake was left? what fraction of his cake were eaten?

    asked by nay
  69. Chem 2

    Calculation in grams for a .100 M solution of NaC2H3O2 * 3H2O using a 100 mL volumetric flask?

    asked by Emily
  70. physics

    NEED HELP WITH ONLY PART C Two 135.1.0-W speakers, A and B, are separated by a distance D = 3.6 m. The speakers emit in-phase sound waves at a frequency f = 11800.0 Hz. Point P1 is located at x1= 4.50 m and y1 = 0 m; point P2 is located at x2 = 4.50 m and

    asked by sara
  71. Business math

    $50,000 loan at 9% for 7yrs. What would be the unpaid balance at the end of the 6th year?

    asked by Carrie
  72. Chemistry

    A 5.0 L sample of gas at 1.0 atm and 25 degrees Celsius is compressed to 0.05 L and 5.0 atm. What is the temperature at this new set of conditions?

    asked by Deana
  73. grade 11 math

    a market researcher predicted that the profit function for the first year of a new business would be p(x)= -0.3x^2 + 3x -15, where x is based on the number of items produced. will it be possible for the business to break even in its first year? thanks

    asked by mrsweetlaeh
  74. macroeconomics

    If the economy currently has a frictional unemployment rate of 2 percent, structural unemployment of 2 percent, seasonal unemployment of 0.5 percent, and cyclical unemployment of 2 percent, what is the natural rate of unemployment? Where is the economy

    asked by Anonymous
  75. Math

    Based on the data, of 40% Reading and 25% Math, Out of 240 students, how many would choose reading or math as their favorite subject?

    asked by James
  76. statistics

    Suppose that SAT scores among U.S. college students are normally distributed with a mean of 450 and a standard deviation of 150. What is the probability that a randomly selected individual from this population has an SAT score at or below 600?

    asked by Chris
  77. Understanding percent

    In the square, if part A is 1/4 of the square and part C is 1/10 of the square, what percent of the square is part B?

    asked by JK
  78. Chemistry

    Predict the characteristic of the solutions of the following salts. 1.CrBr3 2.NH4ClO4 3.NaCl 4.NiSO4 5.GaI3 6.MgC4H4O5 7.K2CO3

    asked by Elizabeth
  79. Calculus

    At noon, ship A is 10 nautical miles due west of ship B. Ship A is sailing west at 16 knots and ship B is sailing north at 24 knots. How fast (in knots) is the distance between the ships changing at 3 PM?

    asked by Reanna
  80. MATH HELP PLEASE!

    Graph these points. Angle DFG has vertices D (–2, 4), F (–3, 1), and G (–1, 2). Find the vertices of the image after the rotation of 180° about the origin.

    asked by Izzy
  81. math

    If you roll a fair number cube 30 times, how many times would you expect to roll a number less than 3

    asked by 6th grader
  82. geometry

    The volumes of two similar solids are 1331 cubic meters and 27 cubic meters. The surface area of the larger one is 242 square meters. What is the surface area of the smaller one?

    asked by Piggy
  83. geometry

    the scale factor of two similar polygons as 4:7. the perimeter of the smaller polygon is 320 centimeter what is the perimeter of the larger polygon

    asked by joselynn
  84. Chemistry

    when 5.0g of KOH is added to 100mL, of water, the temperature of the solution increases by 3 degrees celsius. Assume the density of the solution to be 1g/mL and specific heat capacity of the solution to be 4.184 J/g K. a. calculate the amount of heat

    asked by danielle
  85. Chemistry

    A 2.5 L sample of gas at 25 degrees Celsius is heated to 50 degrees celcius at constant pressure. What would the volume be at 50 degrees celcius?

    asked by Deana
  86. Physics Energy

    The block is released from rest on the frictionless ramp. It compresses the spring by 20cm before momentarily coming to rest. What is the initial distance d? k=200N/m m=3kg angle=300 degrees The diagrm looks something like this: (box is here) / / distance

    asked by bobby
  87. Physics

    How much thermal energy can you get out of a gallon of gasoline, and if all that energy could be transferred to the wheels how far could your car ideally go if the total force of friction it worked against at constant velocity was 2,200 Newtons

    asked by Zach Thompson
  88. Chemistry

    How many moles of oxygen molecules would be produced from the decomposition of 25moles of potassium trioxochlorate (v) ?

    asked by Mikeshontel
  89. physics

    1 junction of a thermocouple is kept in melting ice and the other in boilin H20.The readin of currnt on a micro ammeter is 96mA.The micro ammetr reads 60mA when the hot junction is immersed in hot H2O.Find the temperature of the hot H20

    asked by Luc
  90. physics

    The Young's modulus for steel is 2x1011 and its rigidity modulus is 8x1010 Nm-2. Find the Poisson's ratio and its bulk modulus.

    asked by pramod
  91. Math-verify~

    A parallelogram is defined by vectors OA=(4,3) and OB=(1,1). Determine the length of the diagonals OA+OB=(4,3)+(1,1) =(5,4) sqrt(5^2+4^2) =6.403 OA-OB=(3,2) sqrt(3^2+2^2)=3.60 Therefore the length of diagonals are 6.40 and 3.60 units.

    asked by Randall
  92. Statistics

    Find the probability P(E or F) if E and F are mutually exclusive and P(E)=0.30 and P(F) =0.47

    asked by Haley
  93. Science

    Which of the following explains why a parachute makes a person falling from a great height fall more slowly? A)The parachute reduces the friction in the air. B)The parachute pulls upward, so the fall is slower. C) The parachute causes air resistance, which

    asked by Mia
  94. Math

    The least integer of a set of consecutive integers is -25 if the sum of these integers is 26,how many integers are in this set?

    asked by Kayla
  95. accounting

    Bulldog Appliances uses the periodic inventory system. Details regarding the inventory of appliances at September 1, 2011, purchases invoices during the next 12 months, and the inventory count at August 31, 2012, are summarized as follows

    asked by Anonymous
  96. Chemistry

    The reaction between NO (nitric oxide) and oxygen is a key step in the formation of acid rain. O2(g) + 2NO(g) → 2NO2(g) A series of experiments were run, each of which starts with a different set of reactant concentrations. From each experiment an

    asked by Roman
  97. calculus

    a solid lies between planes perpendicular to x-axis at x=0 and x=17,cross section perpendicular to axis interval 17 greater or equal x & x greater or equal 0 are squares of diagonals go from parabolas y=-2x^(0.5) & y=2x^(0.5). find the volume of the solid

    asked by Anonymous
  98. Microbiology

    What organic molecule is necessary to detect mixed acid fermentation by bacteria? (IMViC Tests)

    asked by Amanda
  99. Calculus

    solve: Sin2x=Sinx

    asked by Lauren
  100. math

    Which of the following has the least value? 5.45 8.02 4.99 13.2

    asked by destiny
  101. statistics

    Jack’s ACT score is 30. Jason’s SAT score is 950. Who did better? The mean SAT score is 1000 with a standard deviation of 100 SAT points. The mean ACT score is 22 with a standard deviation of 3 ACT points

    asked by Chris
  102. Calculus

    Find the volume of the solid formed when the area bounded by x^2-y^2=9, y=x+5, and the x axis is rotated about x=1.

    asked by Chris
  103. physics

    A body of mass M1 collides elastically with another body of mass M2 at rest. After collision the velocity of M1becomes ¾ times of the velocity. Find the ratio of their masses

    asked by pramod
  104. Math-Corrections

    Based on the survey,the librarian predicts that about two-thirds of the students in seventh grade will not like the new encyclopedia.Is this answer reasonable? Answer i got:yes

    asked by Zoe
  105. input output

    input 2 output 5, input 5 output 11 what's the rule?

    asked by Anonymous
  106. statistics

    The Medical Rehabilitation Foundation reports that the average cost of rehabilitation for stroke victims is at least $24,500. To see if the average cost might be different at a particular hospital, a researcher selects a random number sample of 50 stroke

    asked by Diane
  107. PLEASEEEEEEEEEEEEE HELP. (GEOMETRY)

    A right triangle has hypotenuse 8 and area 8. Find the perimeter? I think I have to use Heron's Formula for this question. Please help & show work. Thank you very much. Your work is very much appreciated.

    asked by My Name Is Bob
  108. math

    what polygon has 9 diagonals?

    asked by candy
  109. 6th grade science

    can streams run underground. Can they start above ground and run nunderground. PLease help me, I am so so stuck.

    asked by i♥zee
  110. 6th grade science

    A factory is found to be polluting a stream high up in the Rocky Mountains. The factory owner says that this is not aproblem because the stream is very small. Why do you disagree/agree with the owner. I disagree. who gives a crap if the stream is small.

    asked by i♥zee
  111. ballou high school

    The smith family is going to buy a home for 150,000 they will need a 10% down payment how much will they need

    asked by tia
  112. PHI 103

    What kinds of questions and topics are not decided by logical analysis?

    asked by Gloria
  113. Math

    The fixed cost is $500,000 and the variable cost is $.50 per cd. The company sells each CD to record stores for $5. X represents the number of cds produced and sold. How many disks must be sold for the company to break even?

    asked by Marie
  114. math

    Complete in Metric Conversions: Estimate the gallons of paint needed to cover the outside of a cylindrical silo which is 30 feet in diameter and 70 feet high. Do not include any roof area. The paint covers approximately 150 square feet/gallon.

    asked by Amy
  115. physics

    Suppose that a police car on the highway is moving to the right at 26 m/s, while a speeder is coming up from almost directly behind at a speed of 37 m/s, both speeds being with respect to the ground. The police officer aims a radar gun at the speeder.

    asked by linds
  116. physics please help!!

    A distant galaxy is simultaneously rotating and receding from the earth. As the drawing shows, the galactic center is receding from the earth at a relative speed of uG = 1.90 106 m/s. Relative to the center, the tangential speed is vT = 3.00 105 m/s for

    asked by linds
  117. Chemistry

    What is the likely source of error from reading a graph where the absorbance (y-axis) versus concentration (x-axis) shows non-deal behaviour. The graph is going in what looks like a line of best fit but then curves off a the end. At the end of the graph

    asked by Ellen
  118. physics

    An 73-kg bungee jumper is enjoying an afternoon of jumps. The jumper's first oscillation has an amplitude of 14 m and a period of 6 s. sprint constant is 80.1 n/m and max speed is 14.7 m/s. Treating the bungee cord as a spring with no damping, calculate

    asked by please help
  119. 5th grade Math

    I have a review question that says: The formula for the circumference of a circle is C = pi x d, where d represents the circle's diameter. Which statementis correct? Would it be D? Wasn't sure if a diameter could have a decimal or fraction. A. the formula

    asked by Brandi
  120. Maaaaaaaath

    the first three terms of an arithmetic sequence are x-2;2x+6 and 4x-8 respectively..determine.....(1)x (2) the 20th term (3) the sum of the first 20 terms of the sequence

    asked by t.t
  121. chemistry lab

    Hi, so I did a lab on acids, bases, salts and buffer solutions. After measuring the pH for a .010 M HCl solution I got a pH of 2.50. After doing a calculated pH of .010 M of HCl the answers is 2. My question is why do you think my pH from the experimental

    asked by maura
  122. Physics

    An object accelerates uniformly from rest and covers 8m in 2 seconds. What is the distance covered in the third second?

    asked by Allwell
  123. Intermediate Algebra

    simplify the follwing expression in terms of i , the squareroot of -16

    asked by sherry
  124. Math

    How do you rename a fraction? Like 2/9 in eighteenths

    asked by Lisa
  125. Physical Science

    What is the kinectic energy in joules of a 500kg automobile traveling at 45km/hr?

    asked by Patience
  126. Pre-calculus

    how to graph f(x)={-0.5x+5 if x

    asked by Taylor
  127. algebra

    The yearly production of a 6 foot orange tree is 40 pounds of oranges. A 16 foot tree produces 65 pounds.? Let H represent the height of an orange tree and p the number of pounds of oranges produced. a). List the ordered pairs. (H.P) What is the ordered

    asked by Brittani
  128. Physics

    You like to swim at a nearby lake. On one side of the lake is a cliff, and the top of the cliff is 36m above the surface of the lake. You dive off the cliff doing somersaults so as to have an angular speed of 6rev/min. How many revolutions do you make

    asked by Amanda
  129. ~~~Math~~~~~~~~

    Patrick invests a sum of money for 2.5 years at 12% p.a. compounded monthly. If he earns $11305 after 2.5 years, how much is his investment?

    asked by Jessie
  130. English

    Writeacher, can you check these sentences, please? Thank you very much. 1) The Great Fire broke out in London in 1665. 2)London was hit by the Fire in ... 3) The Great Fire burst out (?) in London in.. 4)This accelerated a secret plan to bring in William

    asked by Matthew
  131. English

    I left out a few sentences. Could you please check them? Thank you. 7) During William of Orange's reign a number of laws were introduced, which were to fix the course of modern Parliamentary England. The Bill of Rights established that no decisions could

    asked by Matthew
  132. Algebra

    Two angles are complementary. The sum of the measure of the first angle and one-fourth of the second angle is 57.75 degrees. Find the measure of the angles.

    asked by Gordon
  133. Math

    A saleman took 1/2h to drive from Tuas to Bedok at an average speed of 72km/h.when he returned from Bedok to Tuas,he travelled at an average speed of 90km/h along the same road.how long did the salesman take to reach Tuas?

    asked by Kimi
  134. English

    Can you please check these sentences, too? Thank you. 1) Unless you improve your handwriting I won’t check your next paragraphs. 2) Unlike Sissy, who is described as a black-haired and black-eyed girl, Bitzer has a fair complexion, emphasized by the

    asked by Matthew
  135. math

    Ms. Woods painted 174 watercolor pictures. Each painting took about 11 hours to finish. Which could be the total number of hours it took Ms. Woods to paint all 174 pictures?

    asked by destiny
  136. Biology

    List two ways bacteria and blue-green bacteria differ. Any help would be appreciated. :)

    asked by Kai :)
  137. Accounting1

    Consider the following scenarios: (Please respond to each scenario) When we talk about "bad checks," are those always checks our customers have written to us? Explain. Would the company also write any bad checks and what are the repercussions for the same?

    asked by Angie
  138. math

    if 34 baby boys were born in a week and that was 54% how many girls were born in that week

    asked by summer
  139. chemistry

    FIND THE PH IF THE {H30Z+1) IS 6.2 X 10-10 M

    asked by KIM
  140. College physics

    Consider the two situations. In the first a machine must pull a box up a rough slope at constant speed. The mass of the box is 800 kg, the coefficient of kinetic friction is 0.2, and the slope is inclined at 15 degrees to the horizontal. In the second

    asked by Cody
  141. Chemistry

    1. What is the pH of a solution whose [H3O+] is 1 X 10 -5 M? 2. What is the [H3O+] concentration of a solution with a pH of 9? 3. What is the pH of a solution whose [H3O+] concentration is 3 X 10-3 M? 4. What is the pH of a solution with a [H3O+]

    asked by John
  142. physics

    A person exerts a horizontal force of F = 174 N in the test apparatus shown in the drawing. (h = 0.33 m.) Find the horizontal force M that his flexor muscle exerts on his forearm.

    asked by Will
  143. Physics

    (True or False) One Kilowatt-hour is equal to the energy consumed by an electric device of 1 W for 1 hour

    asked by MM
  144. Science

    While Carmen is at the park with her family, she walks up to a wishing well. She throws a penny down the well, and she hears a splash at the bottom. Which of the following best describes what happens as the penny falls? A)The force of gravity is equal to

    asked by URGENT - HELP ME
  145. World History

    Hi, I've been assigned a project where I'm playing the role of a history revionist that has to make a top ten list of the problems with bureaucracy in Qing Dynasty China. Also, this has to appeal to senior citizens somehow (that's my assigned audience).

    asked by Isabel
  146. Biochemistry

    In one glass - 100,0 mL 0,100M KOH solution, in other - 100,mL 0,100M HNO2 solution. What is pH of solution, which was get when both solutions were mixed up (consider that V of forthcoming solution is sum of original solutions - 200,0 ml)

    asked by Anonymous
  147. English

    this be emily carr story d'sonoqua D’Sonoqua I was sketching in a remote Indian village when I first saw her. The village was one of those that the Indians use only for a few months in each year; the rest of the time it stands empty and desolate. I went

    asked by Mohammad
  148. APUSH

    Please check? 1. a 2.c 3. e 4. b 1. Before the civil war the south's slave labor force a. was a self reproducing population b. was generally unprofitable to the planter class c. was an inflexible labor system d. was employed exclusively in the cultivation

    asked by Matt
  149. physics

    you drop a penny off the roof and it htis the water 4.2 seconds later, what is the height of the bridge?

    asked by calley
  150. English

    I still have to include the following sentences. I really hope you can help me check them. 1) All the commas in your paragraphs are set in place of periods. Divide your long sentences into shorter sentences consisting of subject, verb and complements. 2)

    asked by Matthew
  151. math(ms.sue)

    15 is 30% of what number in percent? My answer is 4.5 am i right?

    asked by miki
  152. Calculus

    The Regional Farm Bureau (RFB) is preparing a brochure that offers advice about constructing pens for small farm animals, and they want us to be their consultants. They need us to carefully analyze the following situations and provide a detailed report.

    asked by Michael
  153. math

    rena bluestreak earned $12. She spent $8. what fractions of her earnings did she spend/ what fraction did they have left? the amount she spent is how many times as much as the amount she saved?

    asked by Celest
  154. Physics

    What is the frequency of an electromagnetic wave if it has a wavelength of 1.4 km? The speed of light is 3 × 10 8 m

    asked by Angel
  155. math

    what might you have if you don't feel well?

    asked by anna
  156. math

    Complete in Metric Conversions: A mulch layer 2 inches thick is to be spread over a bed of landscape plants to prevent weed growth and preserve soil moisture. If the bed measures 8ft x 20ft, how many bags of mulch must you buy? Each bag contains 3 cubic

    asked by Amy
  157. to soccerstar

    thank you for the answer. are you a boy or girl. what age. we should be friends. you still didn't answer one more question the amount that she spent is how many times as much as the amount she saved?

    asked by Celest
  158. Chemistry

    What is the density of CO2 at STP in g/L? How would I do this problem using dimensional analysis?

    asked by Lindsey
  159. math

    what is the lateral surface area of a right hexagonal prism whose base is a regular hexagon with sides measuring 8 incheslong and altitude measuring 6 inches tall

    asked by mary
  160. statistics

    Assume that a sample is used to estimate a population proportion p. Find the margin of error. 95% confidence; n = 250, x = 130

    asked by Chris
  161. Biology

    What are the risk assessment if you went to a rock platform to compare the abundance of animal populations there?

    asked by Ladelle<3
  162. Physics

    Consider a concave mirror with a focal length of 14.98 cm. a) Find the image distance when the object distance is 14.98 cm

    asked by Angel
  163. Physics, Energy

    The block is released from rest on the frictionless ramp. It compresses the spring by 20cm before momentarily coming to rest. What is the initial distance d? k=200N/m m=3kg angle=300 degrees The picture looks somewhat like this : (box is here) / / (spring

    asked by bobby
  164. Calculus

    1. Which of the following sets of vectors spans [r^2] ? a) {(1,1), (-2,-2)} b) {(1,1), (1,2)} c) {(1,2), (1/2,2)} d) {(-1,1), (1,-1)} 2. Which of the following sets of vectors spans [r^3] ? a) {(1,1,1), (2,2,2)} b) {(1,3,1), (2,2,2)} c) {(1,2,1),

    asked by Jake
  165. math

    a survey of 50 people in Nj, 10 of them know the mayor's name in their neighboring city. Out of 5,500 residents how many would you predict know the name of the mayor of the neighboring city?

    asked by 6th grader
  166. biochem

    I have 0.500ml of 3M ethanol and then I take 0.250ml of it and put it to 0.250ml of 0.06M phosphate buffer, what is the final concentration?

    asked by trouble
  167. Chemistry

    Calculate the change in PH when 6 ml of 0.1 M HCl is added to 100 ml of a buffer solution that is 0.1 M in NH3 and 0.1 M in NH4Cl. And calculate the change in PH when 6 ml of 0.1 M NaOH is added to the original buffer solution.

    asked by Mima
  168. Trigonometry

    A ladder that is 15 feet long is placed so that it reaches from level ground to the top of a vertical wall that is 13 feet high A. Use the law of sines to find the angle that the ladder makes with the ground to the nearest hundredth B. Is more than one

    asked by Melissa
  169. Spelling

    a) the time to leave _ _ _ _ _ ture b) what is a base word for "communication"?

    asked by Curly Sue
  170. com 156

    What websites do you normally frequent? Are these websites credible? When is credibility more important and when is it less important? Support your answers with specific examples.

    asked by evette brown
  171. Social Studies

    the first state constitutions adopted after independence? A.Placed most authority with the State governors B. provided for lengthy terms for elective offices C. placed most authority with the State legislatures D. extended voting rights to all adult state

    asked by MM
  172. Astro

    Suppose you lived on a planet with the same radius as the Earth, but it had a density 2.99 times Earth's density. Your weight would be different on this planet. Find how much you would weigh on this planet divided by your weight on Earth

    asked by John
  173. math

    translate to an inequality. the average speed s, was between 80 and 100 mph. translation 80 s 100

    asked by john
  174. Business

    Do you see the job of the non-profit financial manager as getting easier or more difficult in the future?

    asked by Alexis
  175. Business

    How can a financial manager at a non-profit make better use of Web capabilities to enhance the financial position of the organization?

    asked by Alexis
  176. Math

    Jim has 400 ft of fence material and needs to enclose an area of 10,000 square feet for his garden as the diagram depicts. (The length of the house is 62 ft and the fence extends the same distance on either side of the house.) What must the dimensions of

    asked by Andrew
  177. written analysis

    In weeks 1 and 2, via your introduction to the critical thinking process, you are briefly introduced to some of the most powerful and complex questions humans have ever asked: What is truth? What is knowledge? How do you know what you know? In this

    asked by yosiel
  178. Math

    In a maths class of 13 students, 2/3 of boys and 1/4 of the girls love maths. How many girls love maths

    asked by kayode
  179. statitics

    Suppose that a sample of n = 1,600 tires of the same type are obtained at random from an ongoing production process in which 8% of all such tires produced are defective. What is the probability that in such a sample 150 or fewer tires will be defective

    asked by Chris
  180. Math

    Jillian must average at least 90 on two quiz scores before she can move to the next skill level. Jillian got a 92 on her first quiz. What scores could Jillian get on her second quiz in order to move to the next skill level? How could I answer this is an

    asked by Anne
  181. math

    X2+11x=-24

    asked by lilly
  182. meanings

    I was to make a word for creative arts class. Could you guess what my word means. I made it and it is supposed to be a challenge. What do you think "mudsul" means?

    asked by i♥zee
  183. English

    Is this a correct sentence Be careful whom you tell.

    asked by Beth
  184. statitics

    Suppose that a sample of n = 1,600 tires of the same type are obtained at random from an ongoing production process in which 8% of all such tires produced are defective. What is the probability that in such a sample 150 or fewer tires will be defective

    asked by Chris
  185. Intermediate Algebra

    Use scientific notation to divide the following 2 numbers .Express the answer using scientific notation; retain at least3 decimal places (9.4*10^6)/(4.97*10^2)

    asked by sherry
  186. English

    what kind of sentence is this? Arabic numbers were being used for the first time the concept "0" was baffling to many they wondered how a zero could for standing.

    asked by angel
  187. Math

    The sizes of four drill bits are 3/16inches 1/8inches 3/4inches 5/8inches. Put them in order from least to greatest?

    asked by Diamond
  188. Physics

    (True or False) The cables used to transfer electric energy from the generating station to the consumers must be of low resistance to reduce losses due to joule heating

    asked by MM
  189. Organic Chemistry

    Design a procedure to separate a mixture of alcohols containing methanol, ethanol, 1-pentanol. Explain, with references to intermolecular forces, why this separation method is effective in this situation.

    asked by N
  190. statistics

    Mail security estimates that the average daily per-store theft is less than $250, but wants to determine accuracy of this statistic. The company researcher takes a sample of 81 clerks and finds that X =$260 and s=$20. a) Test at a=.05 b) Construct a 95%

    asked by Diane
  191. math

    how do you put these fractions in order 1/4, 6/7, 3/5 from least to greatest

    asked by tina
  192. criminal justice

    Which of the following is an ethical system that does not support using the individual as a means to an end

    asked by lene
  193. Statistcs

    Assume that a ramdom sample is used to estimate a population proportion p. Find the margin of error E that corresponds to the given statistics and confinence level. n=550, x=165, 95% confindence

    asked by Robyn
  194. poetry, please comment

    My, My, Myy My, my, my The world running by Way too fast for your eye Could we slow it down Just to say good bye Or am i even justified Because of all the lies Can we slow it down Or will we just die? My, my, my I will miss my life as the days go by And

    asked by i♥zee
  195. chemistry

    how does the addition of a nonvolatile solute affect the vapor pressure of the solvent into which it is dissolved?

    asked by bob
  196. physics

    tommy builds a human sling shot that has an elastic constant of 4000 N/m. He puts his little sister in it and pulls it back for 5 meters. How much energy does his 25 kg sister have as she leaves the sling shot and how fast is she flying?

    asked by grace
  197. discrete math

    The canonical representative of15^11 mod3337

    asked by Anonymous
  198. taft

    22-35 pages read per day about how many days will it take to read 90 pages

    asked by post
  199. History

    Why is the War of 1812 called the second war of independence? I have b/c it was fought against the same country and it made the U.S independent and more respected. I need more, help please!

    asked by Lala
  200. directions

    can sombody explain to me step by step how to drive to mast charter school?

    asked by ilandra
  201. physics

    absolute zero is the same as

    asked by shanna
  202. math

    Mr Thomas wants to carpet his bed room. The size of the bed room is 15 feet x 27 feet. The carpet sells for $8.95 per square yard,installed. How much will he have to spend to carpet the bed room?

    asked by paul
  203. Hi

    The interests of the West were satisfied by neither the Jeffersonians nor the Federalists between 1789 and 1815. I'm supposed to write a paragraph about it, but I don't understand what it is asking...

    asked by Lala
  204. math

    what is 3/8, 1/4, 3/4 in order from least to greatest

    asked by stacy
  205. math

    the perimeter of a room is 45 yards and the area is 120 square yards. what would be the perimeter and the area of the room on a scale drawing with the scale of 3 feet to 1 yard?

    asked by Taylor
  206. language arts

    choose two phrases to form a sentence that correctly uses a word. a. forbearance is b. fervor is c. a belief that one cannot make mistakes d. a willingness to live and let live I think it is b and d, am I right?

    asked by SoccerStar
  207. Dress code

    What are some cons about dress codes?

    asked by Ness
  208. Math

    How do you simplify 0.05s^2 + 0.02s^2 + 0.03s(252/(s^2))(4)

    asked by Labz
  209. URGENT math

    (x-1)(x+3)-6=0 Solve by quadratic formula.

    asked by cla
  210. math

    Complete in Metric Conversions: What is the tip speed (ft/min) of a 21 inch long rotary lawn mower blade that is connected to the output shaft of an engine operating at 3400 rpm?

    asked by Amy
  211. math

    Complete in Metric Conversions: The 7 inch diameter drive drum of a belt conveyor is turning at 130 rpm. What is the belt speed (ft/min) if there is no slip between the belt and drum?

    asked by Amy
  212. PHI 103

    Explain what advantages we obtain by studying logic in terms of improving our reasoning.

    asked by Gloria
  213. math

    Complete in Metric Conversions: A dozer is traveling at 5 miles per hour. How many seconds will it take to travel 160 feet?

    asked by Amy
  214. math

    Complete in Metric Conversions: A 12 food wide fertilizer spreader drops 45 pounds of fertilizer while traveling 625 feet. What is the fertilizer application rate in pounds/acre?

    asked by Amy
  215. PHI 103

    Explain what logic can and cannot do?

    asked by Gloria
  216. math

    Complete in Metric Conversions: How many pounds of water are in a 36 ft diameter tank that is filled to a depth of 24 ft.

    asked by Amy
  217. math

    Complete in Metric Conversions: A drainage system for a 40 acre field is designed to remove 3/8 inch of standing water from the entire field in 24 hours. What flow rate (gpm) must the drainage system achieve to meet the design specification? (283 gpm)

    asked by Amy
  218. Intermediate Algebra

    A dehydrated patient needs a 6.4% saline IV.Unfortunately the hospital only has bags of 6% and 8% saline solutions.How many liters of each of these solutions should be mixed together to yield 1 liter of the desired concentration?

    asked by sherry
  219. math

    Complete in Metric Conversions: A lawn sprinkler covers a rectangular pattern of 20ft x 30ft. if the flow rate of the sprinkler is 2.5 gpm, derive a formula for calculating the time (hours) to apply D inches of water over one 20ft x 30ft area. What are the

    asked by Amy
  220. math

    find the lateral surface area of a right triangular prism if its altitude is five inches and its base is an isoceles right triangle with hypotenuse of length 10 inches

    asked by mary
  221. English

    What are some of the major themes in the book "writing on my forehead" by Nafisa Haji?

    asked by Labz
  222. Intermediate Algebra

    State an equation that represent this situation. Mary invested one amount at 3% simple interest and a second amount at 9% interest ,earning $43.92 in one year.If she would have switched the amounts she would have earned $35.00.What were the 2 amounts?

    asked by sherry
  223. to soccerstar

    can you explain to me why its 2 times as much

    asked by Celest
  224. math

    Complete in Metric Conversions: 24 kilometers to ____meters 172 flied ounces to ___gallons 1 bushel corn (56Lbs) to ____ kilograms 15 gallons to ___cubic feet. 4600 bushel corn at standard moisture to ___tons 0.5 cubic meters/second to ____gallons/minutes

    asked by Amy
  225. math

    Complete in Metric Conversions: 6000 kg to ___ tonnes (metric tons) 6000 kg to ___tons 1 acre-ft of water to ___gallons 32 psi to ___kpa 10 psfito ___ oz/in^2

    asked by Amy
  226. economies

    Identify the growth form 1950 to 2001 in volume of world exports. Explain the reasons why this occurred

    asked by MM
  227. chemistry

    Consider two non-interacting Fermions (half-integer spin) confined in a “box” of length L. Construct the antisymmetric wave functions and compare the corresponding groundstate energies of two systems; one with particles of identical spin and the other

    asked by arjun
  228. physics

    normally warms up faster when heat is applied

    asked by samantha
  229. programming

    1.which of the following statements allows many branches or alternatives paths? A.IF-THEN; B.ON-GOTO; C. GOTO; D. all of the above. 2.The system command ---- is used to tell the computer to execute the program A.LIST B.EXECUTE C.END D.RUN 3. -----notation

    asked by patricia
  230. physical science

    absolute zero is the same as

    asked by samantha
  231. maths

    I am a 2 digit number. Both my digits are even. I have an odd number of factors. What number am I?

    asked by srihita
  232. English - ms. sue

    ms. sue u be able help me with my english questions?

    asked by Mohammad
  233. maths

    If 2/5 of a number is 12. What is 1/10 of the number?

    asked by srihita
  234. chemistry

    Write the correct equation for the formation of a white precipitate on mixing together 10 mL each of 1 M calcium chloride, 1 M calcium bromide, 1 M calcium nitrate, 1 M sodium carbonate, 1 M potassium carbonate, and 1 M rubidium carbonate.

    asked by liz
  235. chem

    while measuring the effect of a catalyst on the reaction rate of two reactants , why would a chemist control the temperature,pressure and concentration of two reactants?

    asked by hello
  236. Log help

    If a^3 + 3ab(a+b+3)+b^3 = 10ab, show that log (a+b)=1/3(log a + log b). Please show step by step. Thank you!

    asked by Anonymous
  237. Math

    given f(x)=-2/x-2 +2 determine the equation of the vertical asymptote ' ' ' ' horizontal asymptote 2.find the coordinates of x intercept. 3.' ' ' y ' '. 4.sketch the graph of of f. 5.Determine the equations of the axes of symmetry of f(x)

    asked by Anonymous
  238. buckley

    x-intercept -4:y - intercept -2 write an equation in slope - intercept form

    asked by jenny
  239. MATH

    The series 2(3a-1) + 2(3a-1)^2 + 2(3a-1)^3...Is given for wich values of a will the series converges?

    asked by T.T
  240. Chemistry

    What is the emperical formula of a compound that contains 0.04moles of sodium, 0.04moles of sulphur, and 0.06moles of oxygen?

    asked by Allwell
  241. Physics

    A block of mass m = 3 kg is attached to a spring (k = 28 N/m) by a rope that hangs over a pulley of mass M = 7 kg and radius R = 6 cm, as shown in the figure. Treating the pulley as a solid homogeneous disk, neglecting friction at the axle of the pulley,

    asked by Angelina
  242. science

    A plane is flying at an angle of 20 N of east 230 m/s. what is the component of its velocity in the northward direction?

    asked by pali
  243. Spelling

    Can anyone tell me the meaning of the word bade? Example for this sentence:The next morning John got up early and bade Rover goodbye.

    asked by Connor
  244. devry

    What should you consider when searching for useful sources?

    asked by evette brown
  245. Calculus

    I am bit of confused from this question. I have shown the work below and to subtract, am I supposed to be X2 - X1, Y2-Y1, Z2-Z1? or X1-X2, Y1-Y2, Z1-Z2? ------------------------------------ A triangle has sides formed by the vectors PA=(2,7,3) and

    asked by Jake
  246. math

    [(11 ∙ 4. + 6] (mod 8)

    asked by Tela
  247. English

    1. What does he do when/after he gets on the bus? 2. He says hello to the driver and his friends. (Are the question and answer correct? Do we have to use 'when' or 'after' in this case?) 3. Is the fact that Venice doesn't have cars a problem? - Not at all.

    asked by rfvv
  248. Pre-calculus

    how do you graph f(x)={2x+5 if x10 (the {'s is supposed to be one long one)

    asked by Taylor
  249. physics

    A half-open pipe is constructed to produce a fundamental frequency of 224 Hz when the air temperature is 15 °C. It is used in an overheated building when the temperature is 38 °C. Neglecting thermal expansion in the pipe, what frequency will be heard?

    asked by no idea
  250. Pre-calculus

    what is the domain of f[g(x)]? A.all the elements x in the domain of g for which g(x) is in the domain of f B.the range of x

    asked by Taylor
  251. Pre-calculus

    how to graph f(x)={3x+2 if x

    asked by Taylor
  252. physics

    A Hg thermomtr is calibrated by immersing it in melting ice and thn in boiling H20.The column of the Hg is respctively 2.9cm &29cm.Find the temperature whn the column is 10cm long

    asked by Luc
  253. Civics

    Is a trial of impeachment held with or without a jury? How about treaties? And murder?

    asked by Anna
  254. American Government

    Who has to run for re-elecition every two years?

    asked by Jess
  255. Calculus

    I am bit of confused from this question. I have shown the work below and to subtract, am I supposed to be X2 - X1, Y2-Y1, Z2-Z1? or X1-X2, Y1-Y2, Z1-Z2? ------------------------------------ A triangle has sides formed by the vectors PA=(2,7,3) and

    asked by Jake
  256. math help!!

    1/x+2 + 1/X+4 =1 Solve by using quadratic formula.

    asked by 11th grade
  257. ACCOUNTING

    On March 1, 2012, Enrique Company acquired real estate, on which it planned to construct a small office building, by paying $90,504 in cash. An old warehouse on the property was demolished at a cost of $7,646; the salvaged materials were sold for $1,633.

    asked by Anonymous
  258. managerial statistics

    student conduct a study and reported that 95% confidence intervak for themean ranged from 46-54. He was surethat the mean of the sample was 50,that the standard deviation of the sample was 16and that the sample was atleast 30 but could not remember exact

    asked by noela
  259. Math

    Mr Thomas took 2hr to drive from Tokyo to Osaka.He then took another 4hr to complete the remaining 2/3 of the journey to Fukushima.His average speed for the 210km long journey was 35km/h. 1. If he reached Osaka at 12:30,at what time did Mr Thomas arrive at

    asked by Kimi
  260. geometry

    The perimeter of . The extended ratio of the sides is 2:4:5. Find the lengths of the sides. It might help if you draw a picture.

    asked by defy
  261. physics

    Can anyone help me on this one???????The temperature at the bottom of Lake Tahoe in the Sierra Nevada Mountains of California is 4°C year round. In which country is water at the bottom of lakes normally higher than this? A) Russia.B) Great Britain.C) New

    asked by Kristie
  262. Math 141

    You find that a small business loan in the amount of 50,000 is the amount you need to purchase the restaurant location. After researching banks to find the best interest rate, you find that banks for small businesses offer the best interest rate of 9%

    asked by Sherry
  263. Dressmaking

    The outer edges of a stand collar are A)larger B) 1/8 in.smaller C)cut on the bias D)the same

    asked by Ayesha
  264. 5th grade Math

    Need to see if I have the answer correct on this review question. Which expression models the verbal description below? the number of markers, m, in 8 packages of markers. Would it be B? a. m + 8 b. 8m c. m divided by 8 d. m - 8 Thanks..

    asked by Brandi
  265. simple subject

    What is the simple subject in: The black and white Schnauzer barked all day long.

    asked by D
  266. written analysis

    debate between proponents of intelligent design and evolution. i need an assy of 2 pages about intelligent design and evolution

    asked by yosiel
  267. physics

    Essay on how accleration due to gravity is used to benefit mankind

    asked by Audrey
  268. Math Problem

    please help simplify Multiply (6x+1)(7x^2+5x+4)

    asked by Lavern
  269. writing analysis

    debate between proponents of intelligent design and evolution. i need an assay of 2 pages about those subject intelligent design and evolution

    asked by yosiel
  270. Trigonometry

    Prove: sin(A+B)+sin(A-B)/sin(A+B)-sin(A-B)=tanAcotB

    asked by Anonymous
  271. Physics

    A box of mass m=1.5 kg is attached to a spring with force constant k=12 and suspended on a frictionless incline that makes a 30 degree angle with respect to the horizontal. With the spring in its unstretched length, the box is released from rest at x=0.

    asked by Jake
  272. Stats for Psychology

    Not sure how to rewrite this question: ht tp://img221. imageshack.us/ img221/601/question2. jpg Get rid of all the spaces to see image of question: Delete the space between ht and tp delete the space between 221. and imageshack delete the space between us/

    asked by Arianna
  273. chemistry

    which is the best salt to use to melt ice without any side effects

    asked by reham
  274. ie math

    A right triangle has hypotenuse 8 and area 8. Find the perimeter? I think I have to apply Heron's formula to this question, but I don't know how to solve. Please help. Your help is very much appreciated!

    asked by Dara
  275. chemistry

    which is the best salt to use to melt ice without any side effects

    asked by reham
  276. Intermediate Algebra

    Convert this number to scientific notation 1,800,000

    asked by sherry
  277. Intermediate Algebra

    Multiply the expression and simplify (-6x^-4y^4)*(-2x^4)

    asked by sherry
  278. Math

    Should the city build a homeless shelter downtown?Which sample is more likely to be biased? a.60 randomly selected downtown resturant customers b.60 randomly selected people at the post office

    asked by Zoe
  279. Math

    Which sample is more likely to be biased? Should big bend state park restrict the number of campers allowed on the grounds? a.70 randomly selected visitors to Big Bend State Park b.70 randomly selected campers at Yosemite National Park

    asked by Zoe