Questions Asked on
April 17, 2012

  1. Chemistry

    ATP synthase, shown below, uses the proton (H ) gradient to drive ATP synthesis. Put the following steps of ATP synthesis in order from proton transport to the synthesis of ATP: a. The y subunit rotates and interacts with the three alpha beta subunit

    asked by lolo
  2. Reading/English

    Question 1 of 20 5.0 Points Critical Reading Identify the letter of the choice that best completes the statement or answers the question. What is Mr. Gradgrind’s opinion of horse riders? A. He does not approve of them. *B. He is fascinated with them. C.

    asked by Raechel
  3. physics

    Sam is 180cm tall. He stands 60 cm in front of a tall plane mirror.How tall is Sam's image

    asked by Anonymous
  4. algebra

    Which of the quadratic functions has the narrowest graph? A. y=1/4x^2 B.y=x^2 C. y=-3x^2 DAy=1/12x^2

    asked by Bethany
  5. statistic

    a shipment of 40 television sets contains 3 defective units. How many ways can a vending company can buy five of these units and receive no defective units

    asked by desmond
  6. math

    find the rate of discount of a pair of pants that cost $65 and are on sale for $41.99. Explain each step.

    asked by neka
  7. physics

    Two point charges are separated by 6.4 cm. The attractive force between them is 10 N. Suppose that the charges attracting each other have equal magnitude. Rearrange Coulomb's law and find the magnitude of each charge

    asked by Christy
  8. science

    Does adding boiled, deionized water to the titrating flask to wash the wall of the erlenmeyer flask and the buret tip increase, decrease, or have no effect on the Ksp value of the Ca(OH)2?

    asked by Jen
  9. chemistry

    A bacterial culture isolated from sewage produced 35.5 mL of methane, CH4, at 31oC and 1 atm. What is the volume of this methane at standard temperature and pressure?

    asked by Anonymous
  10. Physics

    James Joule once attempted to measure the increase in temperature of the water in a waterfall resulting from its decrease in gravitational potential energy. How high would the waterfall have to be for the temperature at the bottom to be 1°C higher than at

    asked by Alex
  11. statistics

    An SRS of size n is taken from a large population whose distribution of income is extremely right-skewed and the mean income is calculated. Which of the following statements is false? a) When n > 30, the sampling distribution of is approximately normal. b)

    asked by Anna
  12. Physics

    A spring hanging from the ceiling has an unstretched length of 80 cm. A mass is then suspended at rest from the spring causing its length to increase to 89 cm. The mass is pulled down an additional 8 cm and released. What is the amplitude of the resulting

    asked by Anonymous
  13. Physics

    A spring hanging from the ceiling has an unstretched length of 80 cm. A mass is then suspended at rest from the spring causing its length to increase to 89 cm. The mass is pulled down an additional 8 cm and released. What is the amplitude of the resulting

    asked by Anonymous
  14. GEOMETRY MULTIPLE CHOICE QUESTION PLEASE HELP!

    Concrete can be purchased by the cubic yard. How much will it cost to pour a slab 11 feet by 11 feet by 3 inches for a patio if the concrete costs $63.00 per cubic yard? (1 point) $211.75 $70.58 $317.63 $1,905.75

    asked by LeXi<3
  15. English 12

    Question 1 of 20 5.0 Points Critical Reading Identify the letter of the choice that best completes the statement or answers the question. What is Mr. Gradgrind’s opinion of horse riders? A. He does not approve of them. B. He is fascinated with them. C.

    asked by Daja
  16. NYS ELA Online Practice Exam - PLEASE read!

    Today is my NYS ELA Exam Book 1: Multiple Choice Questions. I know I'm supposed to be at school but the 7th graders take the exam around 12:30 or 12:40. Right now the 8th graders are (still) taking the exam so I'm still at home. Tomorrow is Book 2:

    asked by Laruen
  17. Physics

    A sine wave is traveling to the right on a cord. The lighter line in the figure represents the shape of the cord at time t = 0; the darker line represents the shape of the cord at time t = 0.10 s. (Note that the horizontal and vertical scales are

    asked by Amy
  18. Physics

    James Joule once attempted to measure the increase in temperature of the water in a waterfall resulting from its decrease in gravitational potential energy. How high would the waterfall have to be for the temperature at the bottom to be 1°C higher than at

    asked by Alex
  19. Chemistry

    Oligonucleotides can be synthesized, one nucleotide at a time, by adding activated monomers to a growing chain. Place the steps of chemical DNA synthesis in the correct order. The first step is : 3' end of growing oligonucleotide attached to solid support.

    asked by lolo
  20. Math

    At a track meet, competitors could win gold, silver or bronze medals. Kennedy High Schools track team won a total of 18 medals. Three of the medals were gold. There were twice as many bronze medals as silver medals. How many bronze medals did the track

    asked by Kate
  21. CHEMISTRY

    A student calibrates his/her calorimeter. S/he performs part 1 as instructed. The data are: 99.2 g water at 36.0°C are added to 97.3 g water in the calorimeter at 16.0°C. The final temperature is 26.0°C. Calculate the heat capacity of the calorimeter in

    asked by Sarah
  22. Chemistry(Thank you for your help)

    Step 1:H2O2 + I^-^ = H2O + OI^-^ step 2: H2O2 + OI^-^ = H2O + O2 + I^-^ What is the equation for the overall reaction? I am not sure how to do this since there are two equations. Which species acts as a catalyst? I know that I^-^ is the catalsyt. Which

    asked by Hannah
  23. history /:

    The united states developed the open door policy toward china as a means to: A. Prevent foreign powers from monopolizing trade with china B. Stop china from taking over nearby mineral-rich siberia C. Increase the chinese immigration to the united states D.

    asked by Seger, Megan R
  24. grammar

    Editing grammar. Review of the sleep questionnaire indicates that the patient had a Trend Oximetry done 2 years ago, and was placed on 9 cm of sea pap. The patient notes that he has not seen much change with the use of it. His Father has a history of the

    asked by Jenny
  25. statistics

    The power of a significance test for a particular value of the parameter is computed to be 0.93. Which statement below is true? a) The probability of committing a Type I error is 0.07. b) The probability of committing a Type I error is 0.93. c) The

    asked by Anna
  26. trig

    A 100 kg box slides with constant velocity down a ramp inclined at 20 degrees, with the horizontal. Find the frictional force acting on the box.

    asked by Tsuki
  27. BC Economic Questions

    What led to rapid growth in the Kootenays? Why was this growth short-lived? Why was tourism an early industry in British Columbia? How did the CPR and other railroads serve to boost economic growth in British Columbia? What export commodity declined after

    asked by Ryan
  28. chem

    what is the ph of a solution that results from adding 30 mL of .015M KOH to 50 mL of .015 M benzoic acid?

    asked by Jess
  29. Algebra

    I posted this earlier but it didn't get answered. So I'm posting it again with hopes that, this time, it will be answered. Please solve for x: |x-6|>7 I got x=6 as a final answer, but that doesn't make sense because 6 is not greater than 7. Please help!!

    asked by Marie
  30. physics

    Assume the Earth is a sphere with its mass evenly distributed throughout. Find the moment of inertia of the Earth about its axis of rotation.

    asked by Anonymous
  31. Physics Please someone help I don't understand it

    A ship mapping the depth of the ocean emits a sound of 37 kHz. The sound travels to the ocean floor and returns 0.65 s later. (a) How deep is the water at that location? m (b) What is the wavelength of the wave in water? cm (c) What is the wavelength of

    asked by Anonymous
  32. physics

    Humans can hear sounds with frequencies up to about 20.0 kHz, but dogs can hear frequencies up to about 40.0 kHz. Dog whistles are made to emit sounds that dogs can hear but humans cannot. If the part of a dog whistle that actually produces the high

    asked by AKbar
  33. HISTORY PLEASE HELP!

    The earliest and most enthusiastic proponents of Manifest Destiny were: A. Investment Bankers B. Eastern Politicians C. Northeast Industrialists D. Southern Proslavery Advocates E. Protestant missionary groups

    asked by Student
  34. physics

    An 11.4 kg block of metal is suspended from a scale and immersed in water, as in the figure below. The dimensions of the block are 12.0 cm multiplied by 11.1 cm multiplied by 11.1 cm. The 12.0 cm dimension is vertical, and the top of the block is 5.00 cm

    asked by PJ
  35. Grammar

    Proofreading: This paragraph just sounds awkward to me to begin with. Carina was inspected at that time, which appeared sharp with no mucosal lesions noted. 2% Lidocaine was instilled over the carina. Right main stem bronchus was inspected next. Opening to

    asked by Jenny
  36. Grammar

    Proofreading.. PROCEDURE: The patient was prepped and draped in the usual sterile fashion. Examination of the vocal chords in a sitting position revealed a poly-poid growth in front of the left false vocal cord with erythematous base and yellow colored

    asked by Jenny
  37. chemistry

    What are the balanced equations and the net ionic equations for the following reactions? Sodium phosphate and cobalt nitrate Sodium carbonate and cobalt nitrate Sodium hydroxide and cobalt nitrate Sodium phosphate and copper nitrate Sodium bicarbonate and

    asked by Heny
  38. to ms.sue

    it's still confusing when you subtract it. at 8:00, can you give me a review test because tomorrow is my unit 9 test.

    asked by Celest
  39. physical geography

    Would like you to complete Exercise problems #30 it has two papes.Physical Geography Laboratory Manual By darrel Hess Friday, April 17, 2012 at 4:57pm by Lephaiis Baker

    asked by lephaiis
  40. chemistry

    What is the mass of 4.75 mol of the element iron (Fe)? Answer in units of g

    asked by please help
  41. math

    A hypothesis test is conducted with respect to the mean weight (in ounces) of potato chip bags form a certain manufacturer. The hypotheses are: H0:  = 0.8 and Ha:  ≠ 0.8. Which confidence level would support the conclusion that there is

    asked by Anna
  42. Math

    A mass oscillates up and down on a vertical spring with an amplitude of 6 cm and a period of 2 s. What total distance does the mass travel in 16 seconds?

    asked by Anonymous
  43. physics

    What is the angular speed in rev/min of the Earth as it orbits around the sun? I'm confused with this problem. I know we have to convert from rad/s to rev/rad to s/min in order to get the units as rev/min. But I don't know what to use for rad/s

    asked by Priscilla
  44. science

    1. The ability of an apple to change color when exposed to air is a ____. (1 point)physical property chemical property physical change chemical change 2. Which of the following is NOT a possible sign of a physical change? (1 point)a change in appearance a

    asked by NIKE
  45. CALCULUS PLEASE HELP!!

    suppose m(0) milligrams of a drug are put in the blood of an injection. The amount of drug t hours after the injection is given by m(t)=m(o)e^-kt, for t (=>) 0, where k is the rate constant, which is related to the half life. we also treat oral

    asked by Jake
  46. Pre-Algebra

    6. If on the scale of a map, 3⁄4 inch equals 72 miles, what is the actual distance between 2 cities that are 3 7⁄8 inches apart on the map?

    asked by Jessica Smith
  47. physics

    Two pellets, each with a charge of 0.80 microcoulomb (8.0×10−7 C), are located 4.0 cm (4.0×10−2 m) apart. Find the electric force between them, which I solved for 3.6 N. I am stuck on the next part: What would be the mass of an object that would

    asked by Christy
  48. Physics

    A cylindrical tank has a tight-fitting piston that allows the volume of the tank to be changed. The tank originally contains 0.140 m3 of air at a pressure of 3.20 atm. The piston is slowly pulled out until the volume of the gas is increased to 0.440 m3. If

    asked by MiMi
  49. physics

    When driven by a 120 Hz vibrator, a string has transverse waves of 31 cm wavelength traveling along it. (a) What is the speed of the waves on the string& (b) Is the tension in the string is 1.2 N, what is the mass of 50 cm of the string?

    asked by ahmad
  50. math

    A snail crawled for 40 seconds at an average speed of 15 millimeters per second.Explain how to find the distance the snail traveled in centimeters

    asked by jacob
  51. martha valle high school

    Find to the nearest meter the height of a building if its shadow is 42 meters long when the angle of elevation of the sun measures 42°

    asked by Jasmine
  52. Social Studies

    1. Compare and contrast American and British attitudes toward the Oregon Territory: 2. In a paragraph, on a separate page, state which attitude you think would be more effective in gaining control of the Oregon Territory. Provide reasons for your choice.

    asked by Ryan
  53. Chemistry

    What is the hybridization of TeBr6?

    asked by Cindy
  54. science 3

    11. The freezing point of a substance is ____ the melting point of the same substance. (1 point)greater than less than equal to unrelated to 12. For most substances, the distance between particles is smallest when the substance ____. (1 point)exists as a

    asked by NIKE
  55. Advanced Math Help!

    suppose m(0) milligrams of a drug are put in the blood of an injection. The amount of drug t hours after the injection is given by m(t)=m(o)e^-kt, for t (=>) 0, where k is the rate constant, which is related to the half life. we also treat oral

    asked by Rach
  56. CALCULUS PLEASE HELP

    suppose m(0) milligrams of a drug are put in the blood of an injection. The amount of drug t hours after the injection is given by m(t)=m(o)e^-kt, for t (=>) 0, where k is the rate constant, which is related to the half life. we also treat oral

    asked by Rach
  57. chemistry

    How many milliliters of 0.736 M H3PO4 are required to react with 238 mL of 0.160 M Ba(OH)2 if the products are barium phosphate and water?

    asked by Anonymous
  58. Physics

    A ship mapping the depth of the ocean emits a sound of 37 kHz. The sound travels to the ocean floor and returns 0.65 s later. (a) How deep is the water at that location? m (b) What is the wavelength of the wave in water? cm (c) What is the wavelength of

    asked by Anonymous
  59. Pre-Calc Help!!!!!!!!

    Evaluate the expression under the given conditions. sin2(theta), sin(theta)=1/7(theta) in Q2

    asked by Amanda
  60. Geometry 10th

    A cone is inscribed in a sphere with a radius of 5 centimeters.The distance from the center of the sphere to the center of the base of the cone is x. Write an expression for the volume of the cone in terms of x (Hint: Use the radius of the sphere as part

    asked by CP
  61. math

    You roll two (6-sided) number cubes, a red one and a white one. Find each probability: a. P (5,2) b. P (5, odd #) c. P (3,3) d. P (even #, odd #) e. P (4,4) f. P (less than five, 6)

    asked by Anonymous
  62. Science

    The science teacher gave each group in the science lab a pair of wires for an investigation on electrical current.Susan noticed that the wires were made of metal,but they were covered with plastic.The wires were covered in plastic because A.plastic is a

    asked by Aizon
  63. College Chemistry

    Now the reaction (2NO+2H2==> 2H20+N2) is believed to take place in three steps, the first of which is the fast reversible dimerization of NO to form N2O2, and the last of which (again fast) is the reaction N20 + H2 --> N2 + H2O. So, what is the slow

    asked by Crystal
  64. science-biology

    I am in 10th grade and can you please help me by defining what is bio-catalysts?

    asked by sandra
  65. math word problem

    a scale on a map is 1.5 in. : 200 mi. the map distance from miami to chicago is 9 in. what is the actual distance between the cities?

    asked by marko
  66. algebra

    Which of the following are examples of inferential statistics? Check all that apply. A.Finding the average (mean) of a set of numbers B.Testing every lightbulb produced by a company to confirm that each one works C.Testing random samples of lightbulbs

    asked by daryl
  67. physics

    A ship mapping the depth of the ocean emits a sound of 37 kHz. The sound travels to the ocean floor and returns 0.65 s later. (a) How deep is the water at that location? m (b) What is the wavelength of the wave in water? cm (c) What is the wavelength of

    asked by Anonymous
  68. fhjgf

    Omar made 378 for 78 hours of work at the same rate how much would he make for 12 hours of work?

    asked by gjfj
  69. Physics please help

    A ship mapping the depth of the ocean emits a sound of 37 kHz. The sound travels to the ocean floor and returns 0.65 s later. (a) How deep is the water at that location? m (b) What is the wavelength of the wave in water? cm (c) What is the wavelength of

    asked by Anonymous
  70. physics

    Water is circulating through a closed system of pipes in a two- floor apartment. On the first floor, the water has a gauge pressure of 3.4*10^5 Pa and a speed of 2.1 m/s. However, on the second floor, which is 4.0 m higher, the speed of the water is 3.7

    asked by Fluids, Pressure, Bernoulli’s Equation
  71. math

    Amit investment $750 at 8.2% per year and $1,300 at 4.9% per year.Both investments earn simple intrest.Whoch investment earns more simple intrest in a year? Show your work.

    asked by chris
  72. physics

    Calculate the current that moves through your fingers (resistance 1000 \Omega) when you touch them to the terminals of a 6.4- V battery. please include the units

    asked by Jim
  73. us history

    Which of the following statements is FALSE about Andrew Johnson's perspective about the South? Answer He viewed Southern plantation aristocrats with contempt. He wanted to treat the South similar to a conquered province. He blamed individuals for leading

    asked by Dave
  74. Calculus AP need help!

    Use Part 1 of the Fundamental Theorem of Calculus to find the derivative of the function. If f(x)= ∫(4,x^3)√(t^2+10) dt then f '(x).

    asked by dania
  75. profit sharing

    Ram invest Rs 100 and Sham invest Rs 200 in Jan. Again Ram invest Rs 400 and sham invest Rs 200 in march. In Dec, there was profit of Rs 1000. How to divide profit between Ram and Sham

    asked by satish
  76. chemistry

    How many moles are in 16.48 g Mg? Answer in units of mol

    asked by please help
  77. English

    I have a few further doubts. Thank you very much for the help. 1) I sent her two emails last week, but he hasn't replied to any of them. (I think both the simple past and the past perfect are acceptable). 2) How long does it take him to drive to wrok? 3)

    asked by Matthew
  78. physics

    Sam is 180cm tall. He stands 60 cm in front of a tall plane mirror.How tall is Sam's image

    asked by mj
  79. Physics

    At a factory, a noon whistle is sounding with a frequency of 480 Hz. As a car traveling at 85 km/h approaches the factory, the driver hears the whistle at frequency fi. After driving past the factory, the driver hears frequency ff. What is the change in

    asked by Armany
  80. chemistry

    How many grams of carbon can be burned in 15 dm3 of oxygen and many dm3 of CO2 is produced?

    asked by Allen
  81. Chemistry

    what is the molality of a solution prepared by dissolving 13.0 g of Ba(NO3)2 in 450 g of water?

    asked by Mad
  82. math grade 12

    use the binomial theorem to expand and simplify (y^2-2)^6 )(y^2+2)^6

    asked by Jaxx
  83. English

    I urgently need you to check these sentences on the present perfect. Thank you. 1) I've just come back from the studio where we were rehearsing/practising(exercising/training are mistakes?).Is "we practised" possible? 2) I still haven't spent my time

    asked by Matthew
  84. Life orientation

    In 10-15 lines critically discuss 5 ways in which the human or environmental problem impacts on the community

    asked by Thato
  85. english

    what is the gerund phrase and the noun function of the gerund in the sentence 1.Her favorite pastime is entertaining friends.

    asked by john
  86. Physics (Energy and Momentum)

    A block of mass m1 = 1.00 kg slides along a frictionless table with a speed of 16.0 m/s. Directly in front of it, and moving in the same direction, is a block of mass m2 = 6.00 kg moving at 8.00 m/s. A massless spring with a spring constant k = 1320 N/m is

    asked by Andrew
  87. Genral Chemistry

    What are the pOH and pH of a 0.0125M solution of potassium KOH

    asked by Anonymous
  88. Chemisrty

    An intravenous line provides a continuous flow of drug directly into the blood. Assuming no initial drug in the blood, the amount of drug in the blood t hours after the dosing begins in m(t) - (a/k)(1-e^-kt), for t (=>)0, where k is the rate constant

    asked by Rach
  89. Chemistry

    what volume of ammonia gas will be produced when 8.01 L of hydrogen react completely in the following equation. N2 + 3H2 > 2NH3 this stuff is so confusing because one little word seems to change the entire process for solving.

    asked by Randy
  90. Chemistry

    If a gas at 0 celsius were warmed by 1 celsius ansd the pressure did not change then the volume would a. increase by 1/273 b. decrease by 1/273 c. impossible to predict

    asked by Em
  91. Algebra

    I posted this last night but it didn't get answered. So I'm posting it again with hopes that, this time, it will be answered. Please solve for x: |x-6|>7 I got x=6 as a final answer, but that doesn't make sense because 6 is not greater than 7. Please

    asked by Marie
  92. Calculus

    Find the relative extrema and absolute extrema if any. Use the first derivative test for the function f(x)=x^3-3x+2

    asked by Alan
  93. history

    As a result if the progressive era, major reforms were achieved in all of the following areas EXCEPT: A. Consumer protection B. Womens Suffrage C. African-American Civil Rights D. Business Regulation

    asked by Seger, Megan R
  94. physics

    1. Water drops are being dropped into a body of water at a rate of 43 drops every 60 s. The distance between a crest and the seventh crest ahead of it is 2.40 m. Find the speed at which the waves are travelling.

    asked by qais
  95. 1630

    Mr X deposit $3000 at the end of each semiannual period for 21 years at 8% interest compounded semiannually.Find the amout will have on deposit?

    asked by girma
  96. science

    what is matter?

    asked by sudhanshu
  97. maths

    Jill bought 10 manoges and 5 oranges. Chris bought 5 mangoes and 10 oranges. She paid $3 more than Jill. find the cost of an orange if a mango cost is $1.

    asked by ss
  98. Calculus

    Could someone please explain on how to do this question step-by-step. Thank you! A bolt is being loosened by a 40 cm wrench. The torque in this situation has a magnitude of 12 J and the force makes an angle of 60 degree with the wrench. What is the

    asked by Jake
  99. physics

    When you increase the number of turns in a coil to induce more voltage, you do which of the following?. A) only get more voltage if the resistance of the larger coil remains unchanged.B) None of the above.C) do more work to induce the greater voltage.D)

    asked by Phillip
  100. algebra plus

    The base of a rectangular box is x +2 cm wide and 2x+5 cm long. if the height of the box is x cm, write a polynomial in standard form which represents the box's volume

    asked by bobby
  101. chemistry

    Find the formula mass of the compound H2SO4. 1. 98.09 amu 2. 96.07 amu 3. 97.08 amu 4. 81.08 amu 5. 89.09 amu

    asked by please help
  102. chemistry

    how many grams of magnesium are required to liberate 250 cm3 of Hydrogen gas from HCL

    asked by Allen
  103. English

    For my paper I have to write an old story made new and we had to pick one from before the 1900s, so i picked The tortoise and the hare. I was thinking about using rosa parks as a character, she was inspirational and was a real winner because she stood up

    asked by Jon
  104. liberal arts

    in abd bc is 12cm and ac is 5cm. what is the length of ba ?

    asked by leidy
  105. art history

    Which country in northern Europe became the center for painters

    asked by Anonymous
  106. calculus

    a projectile is fired upward from the ground to reach 64 feet. What is the velocity when it is 48 feet above the ground

    asked by jackie
  107. chemistry

    Which of the following will cause a greater amount of oxygen to dissolve in 100 g of water?

    asked by josh
  108. 3 grade english ms sue

    ADJECTIVES AND ARTICES DIRECTIONS COMPLETE EACH SENTENCE BY ADDING AN ADJECTIVE. WRITE THE NEW SENTENCE. 1- Everyone wore________ clothes to the party. my son write- everyone wore the colthes to the party. 2- Amy had on her _____ blouse. my son write- Amy

    asked by dw
  109. algebra

    grandpa has 9 grandchildren. the following ages are 1 15 9 12 18 9 5 14 7. which statement does the data support

    asked by nadia
  110. physics

    A 87-g ice cube at 0°C is placed in 886 g of water at 28°C. What is the final temperature of the mixture?

    asked by cindy
  111. science

    My son had this assignment and it is totally confusing to me. This is the info provided: 4.5-V lightbulb and 3 batteries that are 1.5 V each Knowing Ohm's law: voltage (in volts) =current (in amps) x resistance (in ohms) or V=IR. Determine in which circuit

    asked by m
  112. statistics

    A TV pollster believes that 75% of all TV households would be tuned in to Game 6 of 1997 NBA Championship series between the Chicago Bulls and the Utah Jazz. A sample of 1000 TV households was selected and 722 indicated they were tuned into the game. Find

    asked by Pat
  113. Physics

    A metal plate has a charge density of 85uc/cm^2 : Calculate the electric field strength at 14 cm above the plate

    asked by Anna
  114. PLEASE CHECK

    1.)Solve for y in the following system of equations. x + 4y = -38 -x - 6y = 58 My answer 1.) -10 2.) 6 3.) 12 4.) 10 2.)Solve for y in the following system of equations. x - 10y = -50 -4x + 6y = -4 1.) -6 2.)3 3.)-3 My answer4.)6

    asked by Mackenzie
  115. Math-Algebra

    What Is 9/10 As A Whole Number?=D

    asked by Alia
  116. Chemistry

    How does a radioactive atom’s half-life influence its effect on its environment? Why is it important for chemists to take this into account?

    asked by Anonymous
  117. Physics (Urgent Please!)

    Two parallel wires conduct equal currents in the same direction. (a) At a point in the plane of the wires midway between them, do the individual fields of the wires cancel or reinforce each other? (b) At a point far away from the wires, do their individual

    asked by Marie
  118. Calculus

    Find the points at which f(x)=x^2(x+1)^3 has a horizontal tangent.

    asked by Alan
  119. american history

    Which of the following statements about John D. Rockefeller is most accurate?

    asked by Anonymous
  120. health

    In the field of health care administration, why is it important that everyone within the facility use medical terminology correctly? How can using correct medical terminology improve patient outcomes and services within the facility? What could be some

    asked by Taylor mcBride
  121. ap chemistry

    A voltaic cell made of a Cr electrode in a solution of 1.0 M in Cr 3+ and a gold electrode in a solution that is 1.0 M in Au 3+ . a) Provide the half cell reactions for each of the electrodes. b) Which is the anode and which is the cathode? How did you

    asked by megan
  122. Physics

    Two parallel wires conduct equal currents in the same direction. (a) At a point in the plane of the wires midway between them, do the individual fields of the wires cancel or reinforce each other? (b) At a point far away from the wires, do their individual

    asked by Brittany
  123. english

    can i submit essays here to be reviewed? if so where do i do that at? Thanks

    asked by Nick
  124. triggggggg

    Find the vertex and axis of symmetry of y = -2x^2 + 4x + 1. Show all of your work and justify your reasoning. Note: The ^ symbol means to the power.

    asked by cheyanne marie
  125. maths

    A class of thirty students in a school has 18 boys. How many boys would you expect there to be in the year group of 130 students?

    asked by sdfgg
  126. math

    £10 is equivalent to €16. How many pounds is €150

    asked by sdfgganother question
  127. History/Art

    From what year to what year was Pablo Picasso active as a painter? (eg. 1901 - 1957 this is just an example)

    asked by Labz
  128. maths

    Sylvia paid $4.20 for 2kg of sugar and 4 kg of flour. If 1 kg of sugar and 1 kg of flour cost $1.50, find the cost of 1 kg of flour.

    asked by ssssss
  129. Algebra 1

    it was a question from my quiz, I never got the function. the coordinates in the table were x=0,1,2,3 y=2,8,32,128. I had to state what kind it was, ex: quadratic, linear etc. and what the function was ex: y=3+5 or something. Do you have any idea what it

    asked by Nash
  130. Trig

    Can you show us how to use law of cosines to show that theta equals inverse cosine of (a^2 + b^2 -484)/(2ab) where a^2=(7+xcos a)^2 + (28-xsin a)^2 and b^2=(7+xcos a)^2 + (xsin a -6)^2? Thanks

    asked by Lisa
  131. Phoneix

    Supose y is directly proportional to x Also. y=42 when x=6 find the constant of proportionality? a)K=? b)What is y whenx=8 y=?

    asked by deleecha
  132. Trig

    Can anyone help with this question. Now suppose that, starting with the first row of seats, the floor of the seating area is inclined at an angle of Theta = 25 degrees above the horizontal, and the distance that you sit up the incline is x, as shown in

    asked by Lisa
  133. statistic

    suppose we wish to construct a confidence interval for a population proportion p. if we sample without replacement from a relatively small population of size N, the margin or error E is modified to include the finite population correction factor as

    asked by carl
  134. to ms.sue

    you know when i told you that i had trouble with percentage? well this is how i find the percentage. 1/5= 0.20. then if it's $20. i just multiply 0.20 with $20 but when my techer was giving us problems. i got it wrong three times in a row. she said that we

    asked by Celest
  135. Science

    Michael dropped a 1 inch cube of wood and a 1 inch cube of laed into an aquarium filled with water.The cube of wood floated and the cube of lead sunk quicklu to the bottom. The cube wood floated because it A.is less dense than the cube of lead B.weighs

    asked by Aizon
  136. physical

    how many time outs do you get in a middle school backetball game. how many fouls have you gotten when you foul out of a middle school basketball game. what does B.E.E.F stand for? how long is a full time out. what is the size OF a girls basketball how high

    asked by katie
  137. chemistry

    What is the approximate energy required to raise the temperature of 5 L of air by 230 °C? The volume is held constant. (Assume air almost entirely consists of nitrogen, oxygen, and argon, and that it is initially at 273 K. Cv(specific heat) for

    asked by saira
  138. to ms.sue

    thank you. how do you know im in 4th grade?

    asked by Celest
  139. class

    WHAT DOES A 138 N ROCK WEIH IF IT IS ACCELERATING UPWARD AT 12 M/S DOWNWARD AT3.5 M/S . C WHAT WOULD BE THE ANSWERS TO PARTS (A)AND (B) IF THE ROCK HAD A MASS OF138 Kg WHAT WOULD BE THE ANSWERS TO PARTS A AND B IF THE ROCK WERE MOVING WITH A CONSTANT

    asked by mhamd
  140. math

    how would you find the sale price of an item if it originally cost $16.95, is on sale for 22% off,and the sale tax is 6.5%?Explain each step.

    asked by kajheann
  141. Chemistry(Please help)

    Calculate the pH of an aqueous solution of 0.15 M potassium carbonate. I know that pH = -log(H30+) but I am not sure how to start this problem. Chemistry(Please help) - DrBob222, Saturday, April 14, 2012 at 11:09pm Hydrolyze the CO3^2-. CO3^- + HOH ==>

    asked by Hannah
  142. math

    what solid shape matches a funnel? Also which shape is the same no matter how you look at it, from any angle or direction? Is this a sphere?

    asked by joei
  143. COLLEGE CALCULUS. HELP!

    the fundamental theorem of calculus, f(x)=∫(0,x) t^3+2t^2+ 2 dt, and find f"(x). my answer was: f'(x)=x^3+x^2 f"(x)=3x^2+2x it said its wrong. i don't know how solve with interval, ∫(0,x)

    asked by MILY
  144. Math(Please help)

    .50 - x / x = 3.20e-1 I need to solve for x. I was going to do .50 X 3.20e-1 and then take the square root but this is not correct. I am not sure what to do. Thank you for your help.

    asked by Hannah
  145. writing

    What type of new paragraph transition could I use for explaining a reason why I chose this ( for a second reason).

    asked by JULIA!!!!!!!!!!!!!
  146. Calculus

    Find the price elasticity of demand. The demand function for the product is p=40-2x

    asked by Alan
  147. Science

    Changing the current changes the ___ of an electromagnet. Choices are: A. strength B. direction C. charge D. both a and b

    asked by Samantha
  148. Calculus

    Suppose vectors a and b are vectors such that a x b =(3,1,4). What is the cross product of twice of a with twice of b?

    asked by Jake
  149. Calculus

    Sketch the graph of f(x)=(x^2 + 2)/x^2 - 4. Fund the vertical and horizontal asymptotes, the critical points, the points of inflection and the concavity.

    asked by Alan
  150. Math

    What is the common denominator of 3/10, 4/30 and 4/5, and the order from leat to greatest.

    asked by Amy
  151. physics

    Liz rushes down onto a subway platform to find her train already departing. She stops and watches the cars go by. Each car is 8.60 m long. The first moves past her in 2.05 s and the second in 1.82 s. Find the constant acceleration of the train.

    asked by Anonymous
  152. Chemistry

    What mass of ammonia is produced when 1.73 L of nitrogen (STP)react completely in the following equation? N2 + H3 > 2NH3

    asked by Randy
  153. history

    In 1896, the supreme court ruled in Plessy V. Ferguson that- A. Congress did not have the authority to levy an income tax B. Labor strikes which caused hardships for americans were unconstitutional C.separate but equal facilities for african americans were

    asked by Seger, Megan R
  154. history

    He organized a labor union in order for members to get better pay and working conditions A. J.P. Morgan B. Corneilus Vanderbilt C. Andrew Carnegie D. Samuel Gompers

    asked by Seger, Megan R
  155. math

    There are 25 books in a bookcase. The books in the bookcase are all math, science, and history books. Seven of the books are math books. There are 4 fewer science books than history books. How many science books are in the bookcase?

    asked by Ray
  156. physics

    As we examine waves on a water surface we notice that 34 waves pass in 54.4 s. We also notice that the distance between the third wave crest and the ninth wave crest is 22.3 cm. How far will these waves travel in 1.50 min?

    asked by acrid
  157. social studies

    why does gold sink to the bottom of the pan? other than prospectors who else made money from the gold rush? why did some people in boomtowns become wealthy without mining for gold?

    asked by Celest
  158. physics

    A 87-g ice cube at 0°C is placed in 886 g of water at 28°C. What is the final temperature of the mixture?

    asked by cindy
  159. maths

    if a regular payment is made quarterly into sinking fund,it accrues to $18258.53 after ten years.What is the annual percentage rate paid by the fund?

    asked by girma
  160. math

    An athlete runs the first 400m of a 1km race in 42 seconds. If they keep up this pace, how long will it take them to complete the race?

    asked by sdfgganother question
  161. math

    24-(-12)=

    asked by Ghairo
  162. Math - Mathematical Induction

    3. Prove by induction that∑_(r=1)^n▒〖r(r+4)=1/6 n(n+1)(2n+13)〗. 5. It is given that u_1=1 and u_(n+1)=3u_n+2n-2 where n is a positive integer. Prove, by induction, that u_n=3^n/2-n+1/2. 14. The rth term of a sequence is given by

    asked by Iman
  163. Physics - Kinematics

    Need some help with my homework! Question 7 a) Acceleration is the rate of change of velocity Use your definition in (a) to show that v = u + at, where v is the final velocity, u is the initial velocity and a and t are the acceleration and the time

    asked by Iman
  164. Physics (Energy and Momentum)

    A 4400 kg rocket is set for vertical firing. If the exhaust speed is 1500 m/s, at what rate (in kilograms/second) must the gas be ejected to supply the thrust needed to give the rocket an initial upward acceleration of 23.0 m/s^2? Not sure where to start.

    asked by Andrew
  165. physics

    A boulder in a river has weight of 65N. It displaces a volume of water with a weight of 10N. Which is the net force on this rock? 55 N down 65 N down 75 N up 75 N down

    asked by Carter
  166. physics

    Suppose a disk with constant angular velocity has rotational kinetic energy 1250 J. If its angular velocity is 24 rad/s, then what is its moment of inertia?

    asked by Anonymous
  167. English

    Writacher, I urgently need you to check these sentences. Thank you very much. 1.The new teacher arrives on Tuesday for his first lesson. 2.We are meeting our friends in the square at 3 o’clock and then we are going to the disco together. 3.Tomorrow it

    asked by Matthew
  168. English

    I left out the following sentences. Thank you very much, Writeacher. 1) This is the first time I’ve flown in an aeroplane. The child slept from eight till eight without waking one. I’ve known Mary since last month. 2) We sent John three emails last

    asked by Matthew
  169. math

    If the volume of a cylindrical block is equal to 800cm^3 prove that the total surface area is equal to 2(pi)x^2 + (1600)/x, where x cm is the radius of the base. hence obtain the value x which makes the surface area a minimum.

    asked by matt
  170. Maths

    If you have 100 tea cups 37 fall on the floor 15 chucked on the floor and a monster eats 9 how many tea cups remain?Then divide the answer by 3.

    asked by Aalia
  171. Science

    What does a penguin,whale,and a seal have in common? A.They all breath underwater B.They all eat while on land C.They are all protected from the cold by thick layer of fat D.They are all mammals C?

    asked by Aizon
  172. English PREP 080

    I need help trying to figure out if the sentence is simple or compound; The party, planned at the last moment, was a success.

    asked by please help!!
  173. chemistry

    A basketball with a volume of 3.50 Liters is left in a car when the temperature is 298 K. What will the volume of the ball be as the car heats up to 305 K during the day? (2.0 p

    asked by Anonymous
  174. English

    Can you please check these sentences on Jonathan Swift's life? Thank you, Writeacher. 1) Swift was born in Ireland of English parents. He was also educated there and he became a priest. 2) He left Dublin for England in 1689 to reside (stay at?) at the

    asked by Matthew
  175. English

    I left out the following statements. Thank you very much. 1) All of his works are characterized by his polemical genius, expressed in various literary genres. 2) The first pamphlet to bring Swift fame was the Battle of the Books, where he imagines a battle

    asked by Matthew
  176. Chemistry

    What mass of ice would you have to add to water to get the same change in temperature as if you add 7.55 grams of dry ice to water if they both started at the same temperature?

    asked by annonymous
  177. to ms.sue

    thank you so much! i still don't get it when my teacher said you had to multiply it first. then subtract it and add something.thank you though.

    asked by Celest
  178. math

    what would you estimate 2.527 to

    asked by shion
  179. Physics

    A car of mass 1880 kg is speeding up on level ground. Its position as a function of time is x(t)=Att1+t41t4 where A=527 m and t1=51 s. What is the magnitude of the net impulse on the car from t=0 to t= 0.5 s?

    asked by jerry
  180. math

    what would you estimate 13.598 to

    asked by shion
  181. math

    Fraction equivalent to 0.5. Denominator must be less than 5 than 3 times iys numerator. Numerator is less than 8

    asked by simnikiwe
  182. Trigonometry

    You are given a right triangle. The Opposit side length is 7 and the hypotenuse length is 9. What is the degree of the bigger angle? (The one closest to the 90* angle)

    asked by Unique
  183. math

    what would you estimate 6.301

    asked by shion
  184. Math

    Find the value of K in 36x^2+18x+K.

    asked by Charu
  185. Trigonometry

    You are given a right triangle. The Opposit side length is 7 and the hypotenuse length is 9. What is the degree of the bigger angle? (The one closest to the 90* angle)

    asked by Unique
  186. Math- Statistics misuse

    In an ad for moisturizing lotion, the following claim is made: "... it's the #1 dermatologist recommended brand What is misleading about the claim

    asked by Patti
  187. math

    find second derivative of 30x+27.

    asked by mike
  188. math

    how do you esimate 22.263

    asked by shion
  189. English

    I left out these sentences which are more or less the same but I need to know which are possible. Thank you very much. 1) I'm the singer in the music (is musical possible?) band The Boyz. 2) I'm the singer in the band, the Boyz. I'm the singer in the band

    asked by Matthew
  190. math

    how would you round 22.263 to the hundreds

    asked by shion
  191. gramer correct sentence

    "Did you know that Chicago sits on Lake Michugan?" asked Brenda.(think so) "Did you know that Chicago sits on Lake Michigan? Asked Brenda. (don't think so) "Did you know that Chicago sits on Lake Michigan? Asked Brenda". (don't think so) "Did you know that

    asked by kevin
  192. maths

    prove that any odd positive integer of 8q+1,where q is any integer?

    asked by sandra
  193. Algebra 1B--check

    Solve for y in the following system of equations. x + 4y = -38 -x - 6y = 58 My answer 1.) -10 2.) 6 3.) 12 4.) 10

    asked by Mackenzie
  194. math

    what would you estimate 12.982 to the tens

    asked by shion
  195. Calculus, Related Rates

    A particle at point A is 50 mm away from a second particle at point B. The first particle is moving toward point B at a constant rate and the second particle is moving at a right angle to the line AB at a rate that is 1/3 of the rate of the first particle.

    asked by Jason
  196. science 2

    6. When aqueous solutions of table salt and silver nitrate are mixed, a white solid forms. This solid is ____. (1 point)soluble a precipitate an alloy a solute 7. Stainless steel is an example of a ____ solution. (1 point)liquid-solid solid-liquid

    asked by NIKE
  197. English

    How would I change these sentences from the passive to active voice? The Epistle to the Hebrews is said to have been written anywhere from 60-95 C.E . The authorship of the Epistle to the Hebrews has been a heavily debated issue since the passage was

    asked by Shannon
  198. physics

    Given that the power consumed by a device is 1000 W operating on a 70-V line, calculate the amount of current it draws.

    asked by Jim
  199. french-grammar

    please help me by describing what do you really mean by pronom en and pronom relatifs and its uses

    asked by sandra
  200. Algebra 1 (maths)

    I'm slightly confused about this question: Suppose that you memorize a list of 100 German vocabulary words. Each week you forget 1/8 of the words you knew the previous week. The number of vocabulary words (V) that you remember after t weeks can be modeled

    asked by Squid
  201. Shurley English

    What are Single Quotes and when do you use them?

    asked by Kelly
  202. Physics

    Should the wavelengths computed from 2nd order lines be more accurate or more precise than those compute from 1st order lines?

    asked by Anonymous
  203. math

    what is 12.982 estimed to in the tens place

    asked by shion
  204. biology

    Orange juice is often touted by nutritionists as being an excellent antioxidant. Within an essay response, discuss the following concepts: an antioxidant’s function, free radicals and their effect on the human body, sources of vitamin C, optimal delivery

    asked by Dave
  205. math

    what is 12.982 estimed to in the tens place

    asked by shion
  206. English

    Thank you very much, Writeacher. I left out the following sentences. 1) I still haven't got asleep even if it is almost 2 am. 2) I've already seen Almost Friends with my best friend. 3) I haven't visited the town museum yet. 4) I have just arrived from the

    asked by Matthew
  207. Calculus/Physics Please help!!

    An intravenous line provides a continuous flow of drug directly into the blood. Assuming no initial drug in the blood, the amount of drug in the blood t hours after the dosing begins in m(t) - (a/k)(1-e^-kt), for t (=>)0, where k is the rate constant

    asked by Jake
  208. math

    find the interest on $1,200 at 8% for 6 months. explain each step.

    asked by kimberly
  209. math

    Find the derivative of the function y = sqrt of s^11 + 1 the entire thing is under the square root and and 1 is not in the exponent. Is the answer 1/2 (s^11 +1)^-1/2(11s^10)?

    asked by JJ
  210. bio

    Would you agree that it is valuable for a nation to have a citizenry that is reasonably well versed in science? Give reasons for your answer. Would you say this need has become especially urgent in the last two decades? Why or why not? Evaluate Answer

    asked by Dave
  211. math

    why is making a table a good strategy to know?

    asked by Anan
  212. math

    what is 125.6578 estimated to in the hundredths place

    asked by shion
  213. math

    what would you estimate 0.526 to in the tenth place

    asked by shion
  214. math

    how would you estimate 0.526 in the tenths place

    asked by shion
  215. math

    which shape is easier to balance on a stick a sphere or a cube? Why?

    asked by joei
  216. chemistry

    What is the approximate energy required to raise the temperature of 5 L of air by 230 °C? The volume is held constant. (Assume air almost entirely consists of nitrogen, oxygen, and argon, and that it is initially at 273 K. Cv for nitrogen=20.7,oxygen=21

    asked by saira
  217. math

    what would you estimate 23.8 to

    asked by shion
  218. Calculus

    Find the equation of the tangent line to the graph of √(xy)=x-2y at (4,1)

    asked by Alan
  219. math

    if you had a die with the numbers 1,2,3,4,5,6. Expressed as a fraction, what would be the probability of roliing the die 5 times and getting a 2?

    asked by Kathy
  220. math

    what would you estimate 23.8 to there is no place value

    asked by shion
  221. social studies

    could a roman choose to become a soldier? Or did they have to become one?

    asked by JULIA!!!!!!!!!!!!!
  222. Calculus

    Sketch the graph of f(x)=-x^4 + 4x^3 - 16x + 16: Find the critical points, concave up/down, inflection points, vertical asymptotes and horizontal asymptotes.

    asked by Alan
  223. Calculus

    Sketch the graph of f(x)=x+2/x-4. Find the vertical and horizontal asymptotes, critical points, concave up/down, and inflection points.

    asked by Alan
  224. social studies

    what effect did trainways have on travel in the klondike

    asked by Celest
  225. math

    what is 7.45 estimated to ther is no place value

    asked by shion
  226. Economics

    If the government gave each recicient family a $7,000 check instead of enrolling them in the Medicaid program, do you think that most of the families would spend that money to purchase health insurance?

    asked by Onri
  227. college Calculus Help!

    If f(x)= ∫(21,x) t^5 dt then f'(x). my answer was 1/6 (21^6-x^6) it said it's wrong.

    asked by LILY
  228. science

    need help writing a a short report on recycling im in the sixth grade

    asked by carmen
  229. recyclying

    i need help writting a report on recycling for my science class and i don't know how to start please help

    asked by carmen
  230. Life orintation

    In HIV/AIDS criticaly discuss 5 ways in which the human or environmental problem impact on the community.provide relevant sources to support the claims.

    asked by Anonymous
  231. Writing Help please!!

    I have to write a short story for my class. I was wondering if you could help me with the title. I have the plot as a devastated teenage girl. She has parents that are alcoholic and neglect their daughter. She ends up running away hoping to run from all

    asked by kathy
  232. American Government

    1. Justice Stephen Breyer stated, “people need to understand the importance of the Court as an institution, even though the Court’s decisions may at times be unpopular and possibly wrong,” Explain how this statement relates to the concepts of

    asked by Jessica
  233. Math

    If i had a 65% in a course now, and i need a 70% to pass, What will i need to get on my final exam worth 25% to pass the course?

    asked by Sarah
  234. to ms.sue

    can you please help me. i seriously don't know the answers

    asked by Celest
  235. economics

    What do brokerage firms charge fees on

    asked by karla
  236. economics

    Companies are usually taken private by who?

    asked by jenny
  237. BA345 Patents, Copyrights, Trademrks

    The day after the internet went on strike, the Justice Department indicted 7 individuals and two companies who were a part of Megaupload.c--. Research MegaUpload.c-- and the copyright infringement charges. Do you think MegaUpload is guilty of copyright

    asked by Kevin
  238. triggggggg

    Find the vertex and axis of symmetry of y = -2x^2 + 4x + 1. Show all of your work and justify your reasoning. Note: The ^ symbol means to the power.

    asked by cheyanne marie
  239. Algebra 2

    SIMPLIFY: 3√(63x^5/(72y^6)) Example to enter answer: n√b, enter (b)^(1/n) Example: For 4√3:2, enter 4(2)^(1/3).What is my answer and how do i answer it?

    asked by Nancy
  240. Science

    What does the A stand for in LBA plates?

    asked by A
  241. physics

    A car weighing 1200kg was moving at a speed of 15m/s.breaks were applied and it stopped 6s latter.draw a graph showing the results

    asked by Oscar
  242. maths

    Dolly and Emily went shopping with a total of $114.80. After Dolly spent 0.4 of her money and Emily spent $30.80, they had an equal amount of money left. How much money didi Emily bring along for shopping?

    asked by ss
  243. maths

    Boxes A nad B contain a total of 480 marbles. After 0.25 of the marbles in Box A is taken out and put in Box B, and then 0.5 of the marbles in Box B is taken out and put in A, the number of marblesin Box A becomes 3 times the number of marbles in Box B.

    asked by ss
  244. Geometry, help!

    Circle O has a radius 28. Radii OM and ON form an angle of 60 degrees. Find MN. A) 28 radical 2 B) 28 C) 56 D) 56 radical 3 Is it A) ?

    asked by Jayme
  245. math

    Fraction strips write in simplest form

    asked by Anonymous
  246. earth

    need help

    asked by jesseca
  247. Essay (Please proofread) I appre

    New Orleans Emergency Operations Plan FY12 According to, The Federal Response to Hurricane Katrina: Lessons Learned, Hurricane Katrina prompted an extraordinary national response that included all levels of government—Federal, state, and local—the

    asked by Nick
  248. mathematics

    find intergral (x^2)/sqrt(x^2+25)

    asked by musuma
  249. mathematics

    find intergral (x^2)/sqrt(x^2+25)

    asked by musuma
  250. Sociology

    I'm working on my sociology assignment on American Family. I have to answer questions on how today's american family have changed from watching old and current tv shows that my teacher assigned to us. (The 70's show and Gilmore Girls) Now, I watched some

    asked by THE 70's SHOW!!
  251. government

    List and explain three examples showing judicial restraint.

    asked by Anonymous
  252. physics

    What is the key ingredient for electromagnetic induction? A) Motion.B) Energy.C) Force.D) Magnetic charge.E) Electric charge.

    asked by Phillip
  253. Physics

    A 400 kg solid metal disk (with uniform density) has several forces applied to it, as shown. If the rotation axis is through the center of the disk, then what is the angular acceleration of the disk?

    asked by Anonymous
  254. Life orientation

    Describe in 5 sentences the importances of managing ones finances

    asked by Constance
  255. engineering science

    a bale of weight 200 newtons hanged at the end of a rope.find the acceleration of the bale if the tension in the rope is 200 newtons,150 newtons,300 newtons.

    asked by aaron
  256. Calculus

    Please help!! I keep solving this problem but I keep getting the wrong answer. Find the derivative of the function: f(x)= xsqrt(x-1)/(x+2)

    asked by Liz
  257. ELA

    Write 3 sentences with a preposition in each. 1.I waited outside for an hour for the concert to start. Outside is preposition? 2.He went down the elevator to go to the second floor. down is preposition? 3.We went inside each room to find the missing key.

    asked by Jarrod
  258. Math

    2^x+1=1/16 find x

    asked by maria
  259. Science

    Which of the following best describes the relationship between a cheetah and a zebra? A.The cheetah is the predator of the zebra. B.Both the cheetah and the zebra are predators of one another C.The zebra is the predator of the cheetah. D.Both the cheetah

    asked by Aizon
  260. math

    9/x+5=4/x-3 how do I set this up and work it?

    asked by Susan
  261. FIZIK

    when you increase the current in a wire, what happen?

    asked by alya
  262. chemistry

    Is it okay taking caffeine then ascorbic acid?

    asked by ANNA
  263. calculus math

    Lim tan(x+ pi/4)^1/x x-->0

    asked by abebe
  264. chemistry

    At what temperature does 14.2 g of nitrogen gas have a pressure of 3.25 atm in a 14.0 liter tank?

    asked by victoe
  265. physics

    A sealed container contains 1 mole of neon gas at STP. Estimate the number of neon atoms having speeds in the range from 200 m/s to 202 m/s. (Hint: Assume the probability of neon atoms having speeds between 200 m/s and 202 m/s is constant).

    asked by zuhra
  266. Math

    Find the value of K in 36x^2+18x+K.

    asked by Charu
  267. math

    At a fair 3/8 of the student work was projects and 20 were crafts. How many students were involved?

    asked by TrevDog
  268. Math

    An electric circuit has equally spaced parallel wire with connections A, B, and C. If the length of AP = 3.42 cm, what is the length of BC?

    asked by Liz
  269. English

    I need to come up with a story using these words. Please help. 1. superficial-- (adj) shallow, lacking in depth 2. superfluous-- (adj) extra, more than enough, redundant 3. suppress-- (v) to end an activity, e.g., to prevent the dissemination of

    asked by Anonymous
  270. English

    I left out two sentences.Thank you very much, Writeacher. 1) ...... you ever ...... to lend him your book? Have you ever had to lend him your book? also 2) Do you ever have to lend him your book? I don't have to buy any butter (also I won't have to buy any

    asked by Matthew
  271. to ms.sue

    40% of 200

    asked by Celest
  272. Life orientation

    List 5 way in which health problem impacts on the community?

    asked by Tebogo
  273. macroeconomics

    1. Which of the following is least likely to affect an economy's capacity to produce? A. Technology B. Capital C. Labor D. Government purchases E. Education

    asked by michael
  274. scientist

    How was the person that discover cells?

    asked by Jahmere
  275. biology

    how can you identify gasses released by plants and animals

    asked by sarah
  276. Physics

    In cold climates, including the northern United States, a house can be built with very large windows facing south to take advantage of solar heating. Sunlight shining in during the daytime is absorbed by the floor, interior walls, and objects in the room,

    asked by Laketa
  277. Math Situation

    In what two ways is the word debit defined in Debits and Credits In what two ways is the word credit defined in Debits and Credits

    asked by Sandra M
  278. government

    List and explain how Congress carries out its’ three primary duties of legislation, oversight and confirmation. I understand the duties for legislation and oversight, but I don't understand confirmation.

    asked by Anonymous
  279. to ms.sue

    how do you find a percentage when its like this: 20% of ______ = 9

    asked by Celest
  280. English

    Are there any errors in this sentence. I say it is correct. Consumers, who choose not to recycle, dump their waste in landfills.

    asked by Li
  281. chemistry

    A 0.27 sample of a weak acid with an unknown was combined with 12.0 of 3.00 and the resulting solution was diluted to 1.500 . The measured of the solution was 3.95. What is the of the weak acid?

    asked by chad