Questions Asked on
November 5, 2012

  1. college chemistry

    if 2.00g of Zn is allowed to react with 2.00g of CuSO4 according to the equation CuSO4(aq) + Zn(s)-----> ZnSO4 (aq)+ Cu(s) how many grams of Zn will remain after the reaction is complete ?

    asked by isabel
  2. URGENT! Physics

    A boy shoves his stuffed toy zebra down a friction-less chute, starting at a height of 1.07 m above the bottom of the chute and with an initial speed of 1.87 m/s. The toy animal emerges horizontally from the bottom of the chute and continues sliding along

    asked by Jessica <3
  3. Chemistry HELP ASAP

    A Gouy balance is used to determine the magnetic susceptibility of a substance. A strong electromagnet is placed next to the sample, which is on a balance. If the sample is paramagnetic, the mass reading of the balance will increase when the field is

    asked by Anonymous
  4. Chemistry

    microwave ovens work by irradiating food with microwaves, which is absorbed by the water molecules in the food and is converted into heat. Assuming that microwave ovens emit radiation with a wavelength of 12.2cm, calculate how many photons are emitted per

    asked by Kez
  5. Chemistry

    Under the appropriate conditions, NO forms NO2 and N2O: 3NO(g) N2O(g) + NO2(g) Use the values for delta G naught for the following reactions to calculate the value of Kp for the above reaction at 500.0 C 2NO(g) + O2(g) 2NO(g) delta g=-69.7 kJ 2N2O(g)

    asked by Victoria
  6. chemistry

    Which of the following are redox reactions? For those that are, indicate which element is oxidized and whisch is reduced. For those that are not, indicate whether they are precipitation or neutralization reactions. (a) P4(s) + 10HClO(aq) + 6H2O =

    asked by MichaelF
  7. Math

    Sometimes scale drawings are shown on graph paper. Each square on this graph paper is 1/4 inch. Use the scale drawing of the living room to answer each question. There are 1,296 in.2 in one square yard. Use a proportion to find out how many square yards of

    asked by Deborah
  8. physics

    If you stand on a bathroom scale, the spring inside the scale compresses 0.50 mm, and it tells you your weight is 760 N. Now if you jump on the scale from a height of 1.0 m, what does the scale read at its peak?

    asked by Lauria
  9. math

    why did karjam get a flat tire

    asked by Anonymous
  10. camestry

    Calculate the number of grams of calcium chloride (CaCl2) needed to react with excess silver nitrate (AgNO3) to produce 6.60 g of silver chloride (AgCl). The equation for the reaction is given below: CaCl2 + 2AgNO3 → 2AgCl + Ca(NO3)2

    asked by mohammed
  11. English

    I heard that the book is set to release soon. Identify the noun clause.... I heard I heard that the book that the book that the book is set to release soon I think it is D..that the book is set to release soon???..yes?

    asked by Deborah
  12. Chemistry 1202

    3CH4(g)->C3H8(g)+2H2(g) Calculate change in G at 298 k if the reaction mixture consists of 41atm of CH4 , 0.010 atm of CH3, and 2.3×10−2 atm of H2.

    asked by BMW
  13. Chemistry

    Iron(III) oxide reacts with carbon monoxide gas to form solid iron metal and carbon dioxide gas: Fe2O3 + 3 CO --> 2 Fe + 3 CO2 If you begin the reaction with 84.34 g of iron(III) oxide and 68.87 g of CO, which reactant will be in excess at the end of the

    asked by Brittany
  14. Physics

    A 5/8 inch (inside) diameter garden hose is used to fill a round swimming pool 7.3m in diameter.How long will it take to fill the pool to a depth of 1.0m if water issues from the hose at a speed of 0.50m/s ?

    asked by Jokella
  15. math

    Lake superiorhas a depth of 1.333 thousand feet.there are 5,280 feet in one mile. How deep is Lake Superior?

    asked by tt
  16. statistics

    He method of tree ring dating gave the following years A.D. for an archaeological excavation site. Assume that the population of x values has an approximately normal distribution. 1222, 1243, 1257, 1285, 1268, 1316, 1275, 1317, 1275 (a) Use a calculator

    asked by noell
  17. Chemistry

    A 100g sample of ice at 0ºC is added to 150.0 mL of liquid water at 80ºC in a styrofoam cup calorimeter. (The specific heat capacity of water is 1.184 J/g•ºC, the density of water is 1.00 g/mL, and ∆Hºfus = 6.01 kJ/mol) a) Does all of the ice

    asked by Lauren
  18. chemistry

    Iron(III) oxide reacts with carbon monoxide gas to form solid iron metal and carbon dioxide gas: Fe2O3 + 3 CO --> 2 Fe + 3 CO2 If you begin the reaction with 84.34 g of iron(III) oxide and 68.87 g of CO, which reactant will be in excess at the end of the

    asked by Sheree'
  19. chemistry

    which of the following liquids have the highest freezing point? a- aqueous Fe(NO3)3 (0.030) b- aqueous glucose (0.050 m) c- aqueous NaI (0.030 m) d- aqueous NaI (0.010 m) e- pure water please explain the concept behind it as well thank you!

    asked by Ania
  20. math

    Shelly sews a blanket that has an area of 170 square feet. It has 30 square blocks, each the same size. What is the approximate length of each side of a block?

    asked by shh
  21. statistics

    Do you want to own your own candy store? Wow! With some interest in running your own business and a decent credit rating, you can probably get a bank loan on startup costs for franchises such as Candy Express, The Fudge Company, Karmel Corn, and Rocky

    asked by noell
  22. physics

    A steel aircraft carrier is 361 m long when moving through the icy North Atlantic at a temperature of 1.7° C. By how much does the carrier lengthen when it is traveling in the warm Mediterranean Sea at a temperature of 16° C?

    asked by Lucy
  23. Math

    Why dosen't an elephant smoke?

    asked by Leighandrew
  24. Chemistry-Please help

    The question is: the arsenate ion has the formula AsO4^3-. Write the formula of the corresponding acid that contains this anion. I don't really understand what I need to do. please help!

    asked by Thy
  25. Math

    1. Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (–1, 2) and (3, –3). (1 point) (–2, 4) and (6, 6) (2, 4) and (6, 6) (–2, 4) and (6, –6) (2, –1) and (–3, 3) 2. Given a scale factor of 1

    asked by Anynamouse
  26. Chemistry

    the density of H2 gas in a rigid container is 0.117 g/L at 55 C. what is the pressure of hydrogen in the flask if it is heated to 125 C?

    asked by JAck
  27. statistics

    Here are 6 measurements of the electrical conductivity of a iron rod: 10.08, 9.89,10.05,10.16,10.21,1011 The iron rod is supposed to have conductivity 10.1. Do the measurements give good evidence that the true conductivity is not 10.1? The 6 measurements

    asked by Anonymous
  28. Calculus

    A car traveling 132 feet per second decelerates at a constant rate to 60 feet per second in three seconds. A. what is the negative acceleration? B. How long after the brakes are first applied will it take to come to a complete stop? C. How far does it

    asked by Matt
  29. statistics

    Total plasma volume is important in determining the required plasma component in blood replacement therapy for a person undergoing surgery. Plasma volume is influenced by the overall health and physical activity of an individual. Suppose that a random

    asked by Anonymous
  30. English

    The school where my cousin attends is two blocks away. Identify the adjectival clause... school where my cousin attends where my cousin attends attends is two blocks away two blocks away

    asked by Deborah
  31. English

    Ms. Hayes, who loved teaching, dedicated her life to education. Identify the usage of the underlined relative pronoun in the bolded adjectivial clause. who loved teachiing is bolded and who is underlined... direct object subject object of a preposition

    asked by Deborah
  32. English

    The house is disorganized but it's not dirty... classify the sentence A. Simple B. Compound C. Complex D. Compound - complex I think it is compound but I am not sure

    asked by Deborah
  33. science

    The recommended dosage of iodine-131 is 4.20 \mu {\rm Ci}/{\rm kg} of body mass. How many microcuries of iodine-131 are needed for a 58.0kg patient with hyperthyroidism?

    asked by Cassie
  34. algebra

    can someone explain the benefits of writing a quadratic equation in vertex form and benefits of writing a quadratic equation in standard form? Name specific methods you can use while working with one form or the other. Any help will be appreciated.

    asked by Lee
  35. chemistry

    The combustion of a compound CxHyOz yields CO2 + H2O; all of th carbon in the CO2 came from the compound, all of the hydrogen in the H2O came from the compound; and all of the oxygen in the H2O came from the compound. The oxygen in the CO2 came from the

    asked by Anonymous
  36. physics

    A hypodermic needle is 2.98 cm in length and 0.28 mm in diameter. What pressure difference between the input and output of the needle is required so that the flow rate of water through it will be 1 g/s?

    asked by britt
  37. chemistry

    what is the minimum of amount of KCN in moles needed to extract 29 grams of gold

    asked by Anonymous
  38. Physics

    Two air-track carts move toward one another on an air track. Cart 1 has a mass of 0.336 kg and a speed of 1.16 m/s. Cart 2 has a mass of 0.634 kg. What speed must cart 2 have if the total momentum of the system is is to be zero? What is the system's

    asked by Rocky
  39. Math

    Prove that tan 22 1/2 ° = √2 - 1

    asked by Anonymous
  40. College Physics

    A 220 air-track glider is attached to a spring. The glider is pushed in 12.0 against the spring, then released. A student with a stopwatch finds that 13 oscillations take 11.5s. What is the spring constant?

    asked by Victoria
  41. grammar

    can you underline the complete subject and the complete predicate of these sentences.show by stating (SSS)and(PPP)also.(1)Blue flags and green rushes grew along the river.(2)The flat creek bed was made of warm ,soft mud. (3)Laura hopped and splashed in the

    asked by john
  42. Chemistry

    How many grams of KNO3 (molar mass = 101.103 g/mol) should be used to make 325.0 ml of 0.070 M solution?

    asked by Timothy
  43. 7th grade math Ms. Sue please only 1 question!!!!!

    On a blueprint, 1 inch = 13 feet. If the dimensions of the playroom on the blueprint are 0.35 inches x 1.25 inches, what are its actual measurements?

    asked by Delilah
  44. Math

    The Specific weight of water is 62.4 lb/ft^3. Assuming 7.48 gal/ft^3, determine the weight of 1 gal of water?

    asked by Evan
  45. Chemistry - Please help!

    Small quantites of hydrogen peroxide can be prepared by the action of an acid on an alkaline earth metal peroxide, such as barium peroxide. BaO2 (s) + 2HCl (aq) -> H2O2 (aq) + BaCl2 (aq) What mass of hydrogen peroxide should result when 15.0g of barium

    asked by Frances
  46. 7th grade math Ms. Sue please check

    #1 Write the ratio in the simplest form. 30 : 6 15 : 3 6 : 6 5 : 1 2 :3 #2 Write the ratio in the simplest form. 96 : 12 1 : 8 48 : 6 32 : 4 8 : 1 #3 Solve the proportion. x/3 = 4/6 x = 2 x = 4 x = 6 x = 8 #4 Solve the proportion. 2/y = 3/12 x = 2 x = 4 x

    asked by Delilah
  47. dpis

    36x^2+8x+K,find the value of k such that each trinomial can be factored over the integers

    asked by msingh
  48. math

    Bert is planning to open a savings account that earns 1.6% simple interest yearly. He wants to earn exactly $384 in interest after 3 years. How much money should he deposit?

    asked by Michael
  49. chemistry

    Sodium sulfate is slowly added to a solution containing 0.0500 M Ca2 (aq) and 0.0230 M Ag (aq). What will be the concentration of Ca2 (aq) when Ag2SO4(s) begins to precipitate? What percentage of the Ca2 (aq) can be separated from the Ag (aq) by selective

    asked by john
  50. Physics

    At the beginning of a new school term, a student moves a box of books by attaching a rope to the box and pulling with a force of 92 N at an angle of 30 as shown in the figure below. The box of books has a mass of 22.0 kg, and the coefficient of kinetic

    asked by B
  51. English

    Jill is wearing earrings that have gold posts. Identify the word modified by the underlined adjectivial clause... that have gold posts is underlined... Jill is wearing earrings

    asked by Deborah
  52. math

    Admission to a movie is $11 for adults and $8 for children. If the receipts for 200 tickets were $1780, how many adult tickets and how many children’s tickets were sold?

    asked by murder
  53. physics

    Proper design of automobile braking systems must account for heat buildup under heavy breaking. Calculate the thermal energy dissipated from brakes in a 1500 kg car that descends a 17° hill. The car begins braking when its speed is 95 km/h and slows to a

    asked by Lauria
  54. math

    Suppose the total cost function for manufacturing a certain product C(x) is given by the function below, where C (x) is measured in dollars and x represents the number of units produced. Find the level of production that will minimize the average cost.

    asked by Renee
  55. physics

    Estimate the energy required from fuel to launch a 1465 kg satellite into orbit 1375 km above the Earth’s surface. Consider two cases: (a) the satellite is launched into an equatorial orbit from a point on the Earth’s equator, and (b) it is launched

    asked by Lauria
  56. math

    in a triangle ABC it is known that AB=AC. Suppose D is the mid point of AC and BD=BC=2. Then the area of the triangle ABC is

    asked by avadhesh
  57. Math

    The first three terms of a GP are also the first,nineth and eleventh terms respectively of an AP. Given that the terms of the GP are all different,find the common ratio r,if the sum to infinity of the GP is 8. Find also the first term and the common

    asked by Bash
  58. statistics

    The iron rod is supposed to have conductivity 10.1. Do the measurements give good evidence that the true conductivity is not 10.1?

    asked by Anonymous
  59. Statistics

    A random sample of 250 men yielded 175 who said they'd ridden a motorcycle at some time in their lives, while a similar sample of 215 women yielded only 43 that had done so. Find a 99% confidence interval for the difference between the proportions of men

    asked by John
  60. chemistry

    At 850 K, the value of the equilibrium constant Kp for the ammonia synthesis reaction N2(g) + H2(g) N2H2(g) is 0.1690. If a vessel contains an initial reaction mixture in which [N2]=0.0150 M, [H2]=0.0200 M, and [N2H2]=0.000250 M, what will the [N2H2] be

    asked by Victoria
  61. science

    A power of 200 kW is delivered by power lines with 48,000 V difference between them. Calculate the current, in amps, in these lines.

    asked by Julia Kate
  62. math

    Question: The price of a home is $180,000. The bank requires a 10% down payment. After the down payment, the balance is financed with a 30 year fixed mortgage at 6.3%. Determine the unpaid balance after ten years. Answer: The unpaid balance after ten years

    asked by tracy
  63. chemistry

    CaO + C --> CaC2 + CO2 [unbalanced] If 244 g of CaO is combined with 318 g C, how many grams of CO2 could be produced if the reaction goes to completion?

    asked by Sheree'
  64. chemistry

    What pressure would be required for neon at 25 degrees C to have the same density as argon at 25 degress C and 1.00 atm?

    asked by Tanner
  65. chemistry

    Under the appropriate conditions, NO forms NO2 and N2O: 3NO(g) N2O(g) + NO2(g) Use the values for delta G naught for the following reactions to calculate the value of Kp for the above reaction at 500.0 C 2NO(g) + O2(g) 2NO(g) delta g=-69.7 kJ 2N2O(g)

    asked by Victoria
  66. math

    A pipe carries water at a flow rate of 10 gpm. Determine its volumetric flow (Q=V/time) in: A. Ft^3/s

    asked by Evan
  67. trig

    A tree growing on a hillside casts a 121-foot shadow straight down the hill. Find the height of the tree (in feet) if the slope of the hill is 8 degrees and the angle of elevation of the sun from the horizontal is 50degrees.

    asked by joey
  68. Chemistry

    How many grams of dichloromethane result from reaction of 2.62 kg of methane if the yield is 43.5 %? CH4+2Cl -> CH2Cl2+2HCl

    asked by Melia
  69. chemistry... HELP !!!!!!!

    For the reaction 2Co^3+ (aq) + 2Cl^- (aq) ----> 2Co^2+ + Cl2 (g) E^o = 0.46 V (STANDARD cell potential) what is the cell potential at (25 deg C) if the concentrations are [Co^3+] = 0.651M , [Co^2+]= 0.846 M, and [Cl^-] = 0.636 M and the pressure of Cl2 is

    asked by Ann
  70. physics

    Unpolarized light is incident on four polarizing sheets with their transmission axes oriented as shown in the figure, in which θ1 = 27.0° and θ2 = 50.0°. What percentage of the initial light intensity is transmitted through this set of polarizers?

    asked by opp
  71. Business Math

    Hafers, an electrical supply company, sold $4,800, 12%, 90-day note for a time extension of a bill for goods bought by Ron Prentice. On June 12, Scott discounted the note at Able Bank at 10%. What proceeds does Scott receive?

    asked by Virginia
  72. 7th grade math help 2 question

    #11 The coordinate of rectangle ABCD are given. Find the coordinates of its image after a dilation with the scale factor of 2. * A (2,4) B (-3, -1) C (0,9) D (6,-4) #10 On a blueprint, 1 inch = 13 feet. If the dimensions of the playroom on the blueprint

    asked by Delilah
  73. Q&A Check Please, geo 7th grade

    Toronto reflects more of the British culture rather than the French culture. TRUE? Which of the following Canadian region is best described as undeveloped because of its harsh climate and terrain? a. Northern Territories b. British Columbia c. Yukon d.

    asked by rawr... im a dinosaur.... rawr
  74. Statistics

    A random sample of 384 people in Dalto City, a mid-sized city, revealed 112 individuals who work at more than one job. A second random sample of 432 workers from East Dettweiler, another mid-sized city, found 91 people who work at more than one job. To

    asked by John
  75. geography

    Can you check my answers please? 1. What is the difference between latitude and longitude? The difference is that longitude lines run from North to South and measure the difference East or West of the Prime Meridian. However, latitude lines run from East

    asked by Reed
  76. chemistry

    What pressure would be required for neon at 25 degrees C to have the same density as argon at 25 degress C and 1.00 atm?

    asked by Tanner
  77. Physics

    how much potential energy does Tim, with a mass of 62.0kg, gain when he climbs a gymnasium a distance of 3.8m?

    asked by Kevin
  78. Chemistry lab

    In my lab class I am having to write a lab experiment and preform it tomorrow. It deals with specific heat of unknown metal and density. the first part you have boil water with the metal in it, and then put it in a cup and measure the temp change. I have

    asked by Paco
  79. Math

    Brenda mixed together 11/12 quart of cranberry juice and 8/15 quart of ginger ale to make punch. How much punch did Brenda make?

    asked by Jennifer
  80. chemistry

    What pressure would be required for neon at 25 degrees C to have the same density as argon at 25 degress C and 1.00 atm?

    asked by Tanner
  81. statistics

    According to the book Are you Normal?,40% of all US adults try to pad their auto insurance claims to cover their deductible. Your office has just received 128 in insurance claims to be processed in the next few days, what is the probability that fewer than

    asked by Anonymous
  82. Physics

    how much potential energy does Tim, with a mass of 62.0kg, gain when he climbs a gymnasium a distance of 3.8m?

    asked by Kevin
  83. Physics

    A small 0.469-kg object moves on a frictionless horizontal table in a circular path of radius 1.42 m. The angular speed is 6.31 rad/s. The object is attached to a string of negligible mass that passes through a small hole in the table at the center of the

    asked by Jim
  84. English

    1.With a winter storm (blustering bungling) outside what could be more welcome than a warm room, a good meal, and my favorite TV program? blustering? 2.The idea that most people usually behave calm and reasonable way is (refuted numbed) by all the facts of

    asked by Jerald
  85. Physical Science Help!

    A transformer has 25 turns in the primary coil and 200 turns in the secondary coil. If 12 V is connected to the primary coil and a 20-Ù device is connected to the secondary coil, calculate the current in Amperes passing through the device

    asked by Carleigh
  86. English

    Word bank: acute bluster bungle commentary duration eerie facet fidelity fray headstrong inhabitant numb pacify ravenous refute remorse setback smug synopsis tarry 11.I had a(n) _____ feeling that we were being followed and that something bad might happen

    asked by Jerald
  87. SS8R - help!!!! (please read)

    Andrew Carnegie How did he treat his (its) workers He exploited them, he did whatever necessary to make a profit. However, he established large pension funds for Homestead workers. what does exploited means does it mean to torture someone or didn't treat

    asked by Laruen
  88. Physics

    A golfer drives a golf ball with a velocity of 100 ft/sec and an angle of 45 degrees. A. find the time of travel for the ball. B. Find the balls range. C. Find the maximum height of the ball

    asked by Alfred
  89. math

    my ten digit is 1 less then the sum of 4 + 3 my ones digit is 2 more than my tens digit what number am i?

    asked by lori
  90. math

    aviva has a total of 52 coins, all of which are either dimes or nickels. The total value of the coins is $4.05. Find the number of each type of coin.

    asked by rebecca black
  91. english

    What about Thoreau’s night in jail made him angry?

    asked by Anonymous
  92. Chemistry

    Bacterial digestion is an economical method of sewage treatment. 5CO2(g) + 55NH4+(aq) + 76O2(g) -> C5H7O2N(s) + 54NO2-(aq) + 52H2O(l) + 109H+(aq) bacterial tissue The above reaction is an intermediate step in the conversion of the nitrogen in organic

    asked by Frances
  93. Economics

    Which of these products or services is likely to have an inelastic supply in the short run? A. cargo ships B. haircuts C. newspapers D. staples I chose D and got it wrong so would it be C instead?

    asked by Shawna
  94. Physics

    A 7.45-g bullet is moving horizontally with a velocity of +348 m/s, where the sign + indicates that it is moving to the right (see part a of the drawing). The bullet is approaching two blocks resting on a horizontal frictionless surface. Air resistance is

    asked by greg
  95. Social Studies 8R - help! (please read)

    How many employees in the Carnegie Steel Company have? How much money was it worth? How much money it made in a year? I read wikipedia.... not there... please help!

    asked by Laruen
  96. chemistry

    starting with a 30% (W/W) SOLUTION OF HYDROGEN PEROXIDE, how many mL would you need to dilute on order to end up with 25.00ml of a 3.6M hydrogen peroxide solution?

    asked by sue
  97. Differential Calc

    If: 0 = f(1) = a+b+c+d 2 = f(-2) = -8a+4b-2c+d 0 = f'(1) = 3a+2b+c 0 = f'(-2) = 12a-4b+c "since we now have four equations and four unknowns, we can determine unique solution. Solving for "a" and "b", a=, b=" Please show the steps, I am so confused and no

    asked by Joey
  98. Chemistry

    Bacterial digestion is an economical method of sewage treatment. 5CO2(g) + 55NH4+(aq) + 76O2(g) right arrow Bacteria C5H7O2N(s) + 54NO2-(aq) + 52H2O(l) + 109H+(aq) bacterial tissue The above reaction is an intermediate step in the conversion of the

    asked by Frances
  99. chemistry

    For the reaction below, Kp= 28.63 at 800 K. Calculate the equilibrium partial pressures of the reactants and products if the initial pressures are PpCl5=0.5600 atm and PpCl3= 0.4700 atm PCl5(g) PCl3(g) + Cl2(g) PCl5=?? PCl3=?? Cl2=??

    asked by brun
  100. physics

    A toy race car starts from rest on a circular track of radius 4.30 m. The cars speed increases at the constant rate of 2.90 m/s2. At the point where the magnitudes of the centripetal and tangential accelerations are equal, determine (a) the speed of the

    asked by Anonymous
  101. chemistry... HELPP

    A gaseous reaction occurs at a constant pressure of 45.0 atm and releases 62.5 Kj of heat. Before the reaction, the volume of the system was 8.60 L . After the reaction, the volume of the system was 3.00 L. Calculate the total internal energy change in

    asked by Ann
  102. Statistics

    From a recent statistical analysis for the last five years, on an average there are 4 (major) air accidents per month in the world. Let X be the number of air accidents occurred in a randomly selected month. It is known that X ~ Poisson() approximately,

    asked by Desire Glenn
  103. physics

    A massless spring of constant k =60.9 N/m is fixed on the left side of a level track. A block of mass m = 0.7 kg is pressed against the spring and compresses it a distance d, as in the figure below. The block (initially at rest) is then released and

    asked by Anonymous
  104. algebra

    tom is 5 years older than 3 times time age. if the sum of their ages is 15 years more than twice?

    asked by Anonymous
  105. chemistry

    Liquid water has a specific heat of 4.184 J/g degrees celcius. If 50 grams of water is heated from10 to 55 degrees celcius, what is the heat energy in joules needed to heat this water

    asked by kiersten
  106. Physics

    A transformer has 25 turns in the primary coil and 200 turns in the secondary coil. If 12 V is connected to the primary coil and a 20-Ù device is connected to the secondary coil, calculate the current in Amperes passing through the device.

    asked by Layla
  107. 7th grade social Studies questions Ms. Sue please

    Hi Ms. Sue, can you please give me links to find the answers to these questions? I have looked everywhere!!!! Thanks!!! What other Things did the Telegraph lead to? What was Life Like Before The Telegraph? What Was Life Like After The Telegraph? What are

    asked by Delilah
  108. Physics

    A mass of 6.10 kg rests on a smooth surface inclined 39.0o above the horizontal. It is kept from sliding down the plane by a spring attached to the wall. the spring is aligned with the plane and has a spring constant of 126 N/m. How much does the spring

    asked by Janelle
  109. Psychology -- Check please?

    Studying the effects of mercury on the brain is this type of research Biological Cognitive Behavioral Humanistic Psychoanalytic I'm torn between cognitive and psychoanalytic, but am leaning towards cognitive...

    asked by Lily
  110. physics

    A 31 kg box slides down a 33.0 ramp with an acceleration of 1.30 m/s2. The acceleration of gravity is 9.81 m/s2 . Find the coefficient of kinetic friction between the box and the ramp.

    asked by scott
  111. science

    Air's capacity to hold water vapor (the maximum amount of water that an air mass can dissolve)

    asked by Anonymous
  112. Physics

    A laptop computer requires 24 volts to operate properly. A transformer with 500 turns in the primary needs to have how many turns in the secondary to operate the computer from a 120 V source?

    asked by Mel
  113. English

    Word bank: acute bluster bungle commentary duration eerie facet fidelity fray headstrong inhabitant numb pacify ravenous refute remorse setback smug synopsis tarry 1.By _____ in a loud confident voice, he tried to convince us that he had nothing to do with

    asked by Jerald
  114. Statistics

    The residual sum of the squares is the numerator portion of the formula for the variance of y about the regression line. True False

    asked by Mike
  115. 7th grade math Ms. Sue please help I have no idea!

    #10 On a blueprint, 1 inch = 13 feet. If the dimensions of the playroom on the blueprint are 0.35 inches x 1.25 inches, what are its actual measurements? * *Show all your work for full credit* #11 The coordinate of rectangle ABCD are given. Find the

    asked by Delilah
  116. 7th grade math last question!

    #11 The coordinate of rectangle ABCD are given. Find the coordinates of its image after a dilation with the scale factor of 2. A (2,4) B (-3, -1) C (0,9) D (6,-4) I DESPERATELY NEED HELP WITH THIS QUESTION IT ISN'T MULTIPLE CHOICE SOMEONE HELP PLEASE!!!!

    asked by Delilah
  117. Chemistry

    Kinetic energy = 1/2 mv^2 where m is the mass of the particle and v is the velocity of the particle. A joule is the SI unit for energy and is kg.m^2/s^2. Find the energy in joules of a 56.7 g mass moving at the speed of 70. km. hr.

    asked by Lina
  118. math

    The election results indicate that 131.2 million Americans voted in the 2008 presidential election. This was approximately 63% of the eligible voters. How many Americans were eligible to vote in the election?

    asked by Megan
  119. science

    50 ml of ZnSO4 solution was transferred to a mercury cathode and enough solid potassium nitrate is added to make the solution 0.1 M in KNO3. The electrolysis of Zn2+ is carried to completion of -1.3 V vs. SCE with the passage of 241 C of electricity.

    asked by Maya
  120. calculus

    Show that the tanget lines to the graph of Y= e^x - e^-x /e^x + e^-x at x =1 and x= -1 are parallel. I know to use the Quotient rule but I am having a hard time with this problem.

    asked by dino
  121. physics

    A 2.67 kg block starts from rest at the top of a 27.6 incline and accelerates uniformly down the incline, moving 2.89 m in 2.45 s. The acceleration of gravity is 9.81 m/s2 . a) What is the magnitude of the accelera- tion of the block? Answer in units of

    asked by scott
  122. Sciece

    The primary of a step-down transformer connected to a 240 V source has 1000 turns. The secondary has 100 turns. What is the output voltage of this transformer?

    asked by Jayla
  123. reading

    What type of figurative language is this sentence:He was as clumsy as a bull in a China shop.

    asked by Caitlyn
  124. Algr1

    Find the x and y intercept of the equations. 1.5x+6y=-30 2.x-4y=-16 3.-3x+4y=12 How would I solve these and what is the anwsers

    asked by Hannah
  125. Physics

    The velocity of a 2.3 kg block sliding down a frictionless inclined plane is found to be 1.58 m/s. 1.1 s later, it has a velocity of 5.65 m/s. What is the angle of the plane with respect to the horizontal (in degrees)?

    asked by Anonymous
  126. SS8R - paragraph help!

    How did it make his money? He earned most of his fortune in the steel industry. In the 1870s, he founded the Carnegie Steel Company. Carnegie Steel Company was sold to the United States Steel Company in 1901 for $500 million is it good???? do i did more

    asked by Laruen
  127. College Algebra and Trigonometry

    Two guys wires for a radio tower make angles with the horizontal of 50 degree and 49 degree. If the ground anchors for each wide are 150feets apart, find the length of each wire assuming the wires are straight and find the height of the tower?

    asked by Julani
  128. physics

    A 50 kg diver leaps off the 20 meter diving board with a velocity of 5 m/s. What is his kinetic energy just before hitting the water?

    asked by Kathy
  129. science

    50 ml of ZnSO4 solution was transferred to a mercury cathode and enough solid potassium nitrate is added to make the solution 0.1 M in KNO3. The electrolysis of Zn2+ is carried to completion of -1.3 V vs. SCE with the passage of 241 C of electricity.

    asked by Maya
  130. reading

    hello im diong meaning match for an example inter + scene = interview counter + segment of a whole = ???

    asked by xavier
  131. physics

    A digital audio compact disc carries data along a continuous spiral track from the inner circumference of the disc to the outside edge. Each bit occupies 0.60 mm of the track. A CD player turns the disc to carry the track counter-clockwise above a lens at

    asked by Anonymous
  132. pre algebra

    A woman who is 5feet 4 inches cast a shadow that is 6 feet tall. How long of a shadow would be cast by a man who is 6 feet 8 inches tall

    asked by melissa
  133. 6th grade math

    What does this sign mean "| |"

    asked by luv history
  134. algebra

    The width of a rectangle is 12cm less than the length the perimeter is 156cm find the width and length

    asked by Anonymous
  135. english

    Baldwin uses many different writing techniques in the essay. Find instances of concrete description of a person of place, action reflection, and strong argumentative assertions. How do these techniques further his specific purposes?

    asked by amanda
  136. Psychology

    Which of these brain abnormalities is associated with Schizophrenia? Enlarged, fluid filled areas of the brain correlated with shrunken cerebral tissue Damage to the medulla Abnormally high activity in the frontal lobe Increase in brain waves that reflect

    asked by Vivien
  137. chemistry

    The equilibrium constant Kc for the reaction C D + E is 7.90 * 10^-5. The initial composition of the reaction mixture is [C]=[D]=[E]=1.10*10^-3. What is the equilibrium concentrations of C, D, and E? C=? D=? E=? chemistry - DrBob222, Monday, November 5,

    asked by Brunette
  138. Statistics

    To conduct a valid regression analysis, both x and y must be approximately normally distributed. True False

    asked by Mike
  139. novel let the circle be unbroken

    describe cassie logan based on events of chapter 1...her traits and flaws.. what flaws can you immediately detect..how does she feel about family and friends..cite examples from text

    asked by mae
  140. Algr1

    Find the x and y intercept of the equations. 1.5x+6y=-30 2.x-4y=-16 3.-3x+4y=12 How would I solve these and what is the anwsers

    asked by Hannah
  141. Chemistry lab

    I have spent the last 6 hours trying to figure this out and have talked to my teacher and apparently i canoot get it right as i have to explain sulfate ions other things i don't understand (never took chem before) questions i need help with Na2so4 .05mol/l

    asked by Tara
  142. english

    what three words create assonance in this stanza:one day a girl went walking and stepped into a store she bought a pound of sausages then set them on the floor

    asked by kyelin
  143. chemistry

    If 92.75 mg of Na2CO3 is dissolved in 0.5mL of water, what would be the normality of the solution after the addition of 0.67 mL of water.

    asked by Amanda
  144. Geology

    Wood fragments from the floor of a palace in Syria - Syro-Hittite period. Date: 675 ± 50 years BCE

    asked by Gloria
  145. Chemistry

    How do you calculate the pH of two acids in a solution? Examlp: a solution is made by adding 50mL acetic acid(Ka=1.76x10-5) to 50mL 1.00x10-3M HCl. What is the Ph of the solution?

    asked by Steve
  146. Physics

    Is the mass of a 1m ruler essentially equally distributed throughout its length if the center of mass is at 0.496m instead of 0.5m. Why

    asked by Jayden
  147. math

    write an equation in standard form with integer coefficients for the line with slope 10/19 going through the point (-4,-3)

    asked by rebecca
  148. Physics

    Two equal charges of magnitude 0.00000000032 is placed in an electric field. calculate the force of attraction between them

    asked by Drift
  149. SS8R - help (second question, please read)

    How did Carnegie made his money I know it was the steel Industry but when I found this info. I'm having a hard time creating it in my own words. It's not like I'm going to copy this but how can I make it into 2-3 sentence. info: Carnegie's early jobs

    asked by Laruen
  150. Math

    The length of a rectangle is 2cm less than 7 times the width the perimeter is 60cm find the width and length

    asked by Anonymous
  151. Social Studies 8R - paragraph help!!!!

    He earned most of his fortune in the steel industry. In the 1870s, he founded the Carnegie Steel Company. is there any details I should add to this paragraph is about how he make his money

    asked by Laruen
  152. finance

    what is the future value of $4000 at 6% compounded semiannually for nine years rounded to the nearest cent?

    asked by tlic
  153. Math

    The Height of a ski jumper, 'h' in meters is given by the equation h=-4.9t^(2)+0.5vt+8 where 't' is measured in seconds after leaping from the ramp and 'v' is his/her speed at the time of the jump. a)If the jumpers' maximum height is reached is 16 m,

    asked by May
  154. Psychology

    In order to treat a specific phobia, this therapy would be best Antidepressant drugs Systematic desensitization Implosion therapy Psychoanalysis Aversion therapy

    asked by Mark
  155. chem 11

    a gas has an empirical formula C6H7O5. When put in a 50mL bulb at 120 degrees celcius and 120kPa (pressure) it's mass is determined: the mass is 10.37 times as much as C6H6O. What is the molecular formula of the gas (C6H7O5)?

    asked by Anna
  156. Calculus 2

    Find the radius of convergence and interval of convergence of the series. n=2 series to infinity (-1)^n * x^n+6/n+7 R= ? I= (or[ , ]or) How do i do this?? ( means convergent and [ means divergent.

    asked by James
  157. physics

    upon fully dissolving 2g of a metal in sulfuric acid6.8g of the metal sulphate is formed. The equivalent weight of the metal is

    asked by avadhesh
  158. algebra

    y=-x^2-10x-20 what is the solution of the system of inequalities? Then says to graph but not sure if the graph is shaded or not.

    asked by Lee
  159. math

    I am a 3 digit number when i am rounded to the nearest 100 I become 800 when i am rounded to my hundreds digit does not change i have more ones than 10 I am even the sum of my digits is 20 what number am i

    asked by lindsey
  160. Psychology

    Sigmund Freud explained that when an individual is unable to resolve a conflict at any stage in his development, he becomes "stuck" there and experiences anxiety. Which of these terms best fits? Fixation Repression Regression Sublimation Reaction formation

    asked by Vivien
  161. math

    Nathan sells pencils in boxes of 10 and 12. Roy bought x boxes of 12 pencils. (a) Write down an expression, in terms of x, for the number of pencils Roy bought

    asked by Emily
  162. Stats

    Rejecting the null hypothesis of no linear regression implies that changes in x cause changes in y. True False

    asked by Mickie
  163. math

    a pizza place sold worth 2000 of pizza on saturday. there were 29 small pizzas sold and medium pizzas sold

    asked by joe
  164. science chemistry

    1000g of a 55%(mass percentage) nitric acid solution is to be diluted to 20%(mass percentage) nitric acid solution.how many liters of water should be added to the starting solution?

    asked by Muhammad
  165. World History

    Name and explain two results of the nationalistic ideas that led to the second riech.

    asked by Aliana
  166. Social Studies 8R - HELP!

    Is the steel industry that Carnegie controlled made him a a robber baron or no what made him a robber baron is that he succeed which included exploiting workers and others.

    asked by Laruen
  167. Science

    The "resistant" threshold for gemifloxacin is >1 mg/L while the "resistant" threshold for sulfamethoxazole is >512 mg/L. Explain why there might be this great disparity of values in resistance thresholds (512-fold) for each antibiotic pharmacologically

    asked by Ashley Strenke
  168. math

    I am a 3 digit number when i am rounded to the nearest 100 I become 800 when i am rounded to my hundreds digit does not change i have more ones than 10 I am even the sum of my digits is 20 what number am i

    asked by cayden
  169. SS8R Question help

    At its large point, how large was your Captain's business (An example or monetary) what does this question mean i thought I was suppose to talk about the captains' business

    asked by Laruen
  170. math

    Lake Huron is 206 miles long. Lake Superior is 350 moles long. Anastasia estimates that Lake Superior is about 140 miles longer than Lake Huron. Is Anastasia estimate reasonable? Explain why or why not.

    asked by Amy Stuart
  171. Psychology

    Your body's reaction to the stress you have been under for the past two weeks is that you have become more tired and now have a sore throat. What is this called? Object–relations theory Opponent–process theory Two–factory theory Type B behavior

    asked by Haley
  172. Psychology

    What kind of memory is involved in remembering how to tie shoes? Semantic Episodic Procedural Priming Prospective

    asked by Haley
  173. math

    Determine the down payment and the amount to be financed for each home described below. (a) $380,380; 10% down

    asked by Anonymous
  174. business

    HR is the role I chose! What is the role of this department? What types of information does the department need? How does the department use that information?

    asked by toni
  175. Math

    A capybara is the worlds largest rodent . It can grow to be 1 3/10 m long. Write an improper fraction that represents the length of the capybara? Please show work of how you got answer. Thanks

    asked by Jennifer
  176. EnglishIII

    Would this be an o.k. sentence to use in my essay? This would still be the closest I had ever been to someone with their name used in the same sentence as the word “famous.” Or should I just say, "This would still be the closest I had ever been to

    asked by Claire
  177. Chemistry

    Say you are observing a motional behavior of 40 Helium molecules. Keeping the basic concepts of the kinetic-molecular theory of gases in mind: You follow one of the molecules with your eye. Over a lengthy period of time, does the molecule exhibit

    asked by Anonymous
  178. Chemistry

    Suppose there is a simulation of 25 helium molecules and 25 nitrogen molecules on the right hide of a box before the rate of effusion. Calculate the theoretical ratio of rate of effusion of Helium to Nitrogen: **Which is the Square root of 28/4 = 2.646**

    asked by Anonymous
  179. English

    Word bank: acute bluster bungle commentary duration eerie facet fidelity fray headstrong inhabitant numb pacify ravenous refute remorse setback smug synopsis tarry Write a word that is the same or most nearly to the words in () 1.reflected off the (cuts)

    asked by Jerald
  180. English

    Finally, he arrives at the class. (Is this grammatical?)

    asked by rfvv
  181. Pharmacology

    What is a bridging study? I got this definition on google: 'A clinical trial in which a parameter of interest for a product - e.g., manufacturing process, formulation, dosing schedule – is directly compared with a changed version of that parameter with

    asked by Wiola
  182. Math

    the difference between 3 times a number and 11 is 10

    asked by Kris
  183. Statistics

    Bone mineral density (BMD) was measured for seven postmenopausal women: 1.7, 1.6, 1.4,1.3, 2.1, 2.3, 1.5 g/cm2. Find a 99% confidence intervar for the mean BMD.

    asked by Steve
  184. physics

    A student on Earth has a mass of 55.5 kg. With how much force does the Earth pull on the student?

    asked by matisse
  185. English

    Word bank: acute bluster bungle commentary duration eerie facet fidelity fray headstrong inhabitant numb pacify ravenous refute remorse setback smug synopsis tarry Since the convicted felon had shown no ____ for his crimes the judge sentenced him to the

    asked by Jerald
  186. science chemistry

    1000g of a 55%(mass percentage) nitric acid solution is to be diluted to 20%(mass percentage) nitric acid solution.how many liters of water should be added to the starting solution?

    asked by Muhammad
  187. biology

    What is a tissue-specific knockout mouse and an inducible knockout mouse?

    asked by Poonam
  188. Science

    The "resistant" threshold for gemifloxacin is >1 mg/L while the "resistant" threshold for sulfamethoxazole is >512 mg/L. Explain why there might be this great disparity of values in resistance thresholds (512-fold) for each antibiotic pharmacologically

    asked by Ashley Strenke
  189. Math

    Write 2 24/12 as a whole number. Show work.

    asked by Jennifer
  190. Eglish 4

    A composite character has characteristics of many people.

    asked by Unknown
  191. chem

    how many gramss of HCl to dassolve 2,5 g Fe in a lock and how much H_2 would be produced Fe(s)+2HCl(aq)-FeCl_2(aq)+H_2(g)

    asked by mike
  192. 6th grade math

    What does this sign mean "| |"

    asked by luv history
  193. health

    What three (3) components of public and community health differ from individual health? Describe each component and provide examples from your life.

    asked by shar
  194. SS8R - Help!!!!!!

    any humanitarian activities that Andrew Carnegie participate??????

    asked by Laruen
  195. Psychology

    Why did early Psychologists NOT focus on "the mind" it was too complex it was genetically determined it was largely unconscious it was unobservable it was environmentally determined

    asked by Mark
  196. Chemistry 11

    a gas has an empirical formula C6H7O5. When put in a 50mL bulb at 120 degrees celcius and 120kPa (pressure) it's mass is determined: the mass is 10.37 times as much as C6H6O. What is the molecular formula of the gas (C6H7O5)?

    asked by Anna
  197. math

    what is two equvalent fractions of 8 over 36

    asked by shannon
  198. math

    Find the absolute maximum value and the absolute minimum value, if any, of the function. (If an answer does not exist, enter DNE.) g(x)=-x^2+4x+4

    asked by Britney
  199. Science

    Two charges of magnitude 0.00000000032 is placed in an electric field. calculate the force of attraction between them

    asked by Drift
  200. Math

    The length of a rectangle is 2cm less than 7 times the width the perimeter is 60cm find the width and length

    asked by Anonymous
  201. SS8R - HW check help!

    After the Civil War, Mr. Carnegie shifted his focus to the steel industry. In 1892, the 'Carnegie Steel Company' was launched i need more details about Carnegie's business

    asked by Laruen
  202. Math

    If a car is going 50 mph and is hit by a car going 70 mph, how fast (what mph) does the car going 50 mph hit the wall

    asked by Stuart
  203. math

    i am a 3 digit number when i am rounded to the nearest 100 my hundreds digits is one less than my tens digit and 2 less than my ones digit what number am i

    asked by lindsey
  204. Chemistry

    If the theoretical yield of a reaction is 18.6 grams & 7.6 grams were collected the.experiment, what is the percent yield

    asked by B
  205. Chemistry

    12 grams of salt dissolved in 650 mL of water has what concentration?

    asked by Harley
  206. Psychology

    While the blood flow that is used by the brain is redirected to the body, the brain does not get the necessary oxygen that it needs to think. Explain how this physiological process affects higher order thinking. Remember that the prefrontal lobe is most

    asked by Paula
  207. Algr.1

    Find the x and y intercept of the equations. 1.5x+6y=-30 2.x-4y=-16 3.-3x+4y=12 How would I solve these and what is the anwsers

    asked by Hannah
  208. AP Calc

    I need to find the second derivative for this: 2x^2-3y^2=4 I understand all the steps but for some reason I get the wrong numerator. I get (6y^-4x^2)/9y^3 The answer is -8/9y^3

    asked by Sanya
  209. Computer Science

    Overview The purpose of the assignment is to develop a basic understanding and skills programming of input/output ports and device polling. The assignment examines hardware polled input from a push button. Assignment 1 The assignment is based on the

    asked by Dan
  210. Math

    The panels for the Pulsar 32-inch TV are manufactured in three locations and then shipped to the main plant for final assembly. Plants A, B, and C supply 50%, 30%, and 20%, respectively of the panels.The quality-control department of the company has

    asked by Natalie
  211. Choir

    How high should my note be in the highest point of the song O Come all ye faithful.

    asked by Caitlyn
  212. bus 434

    The main purpose for conducting a compensation survey is to collect data which will assist a company in

    asked by denette
  213. animal care

    What is the different between tissue-specific knockout mouse and an inducible knockout mouse

    asked by nam
  214. math

    I NEED HELP

    asked by ADRIAN
  215. math

    4 3/4 + 3 1/2 ADD AND WRITE IN SIMPLEST FORM

    asked by nikki
  216. chem

    Calculate the number of mol of helium in a 11.2 L balloon at 300 K and 1.00 atm of pressure ?

    asked by don
  217. Math

    An average 10 yr boy weighs 86 1/2 pounds and has muscles that weigh 34 1/5 pounds. An average 10 yr old girl weigh 82 1/3 pounds and has muscles that weigh 31 1/4 pounds. How much do an average 10 yr old boy and girl weigh together ? With answer can you

    asked by Jennifer
  218. chem

    What is the total pressure of a mixture of 0.3 atm of F2, 0.5 atm of Cl2, and 0.8 atm of O2?

    asked by don
  219. business

    what is Australia's finance sector competitive issues?

    asked by alicia
  220. earth science9volcanos0

    when a volcano becomes dormant it is...

    asked by iris
  221. calculus

    f(x) = 2 x^3 - 24 x^2 + 90 x + 14 is increasing.

    asked by dave
  222. maths

    a woman who is 5feet 4 inches cast a shadow that is 6 feet tall. how long of a shadow would be cast by a man who is 6 feet 8 inches tall

    asked by gina
  223. math

    i am a 3 digit number when i am rounded to the nearest hundred i become 300 my hundreds digit is 2 the differance between my ones and tens digits is one my tens digit is my largest digit i am an odd number what 2 numbers can i be

    asked by lindsey
  224. math

    i am a 2 digit number when i am rounded to the nearest 10 my 10 digits are less than my ones digit what number am i

    asked by lindsey
  225. university of phoenix

    appendix e1 diagram IT/240

    asked by kevin
  226. Chemistry

    Bacterial digestion is an economical method of sewage treatment. 5CO2(g) + 55NH4+(aq) + 76O2(g) -> C5H7O2N(s) + 54NO2-(aq) + 52H2O(l) + 109H+(aq) bacterial tissue The above reaction is an intermediate step in the conversion of the nitrogen in organic

    asked by Frances
  227. finance

    What is the future value of $4000 in a bank for 9 years at 12% compounded semi annually rounded to the nearest cent.

    asked by tlic
  228. math

    my tens digit is double my ones digit both of my digits add up to six what number am I?

    asked by lori
  229. Math {ASAP}

    IS THIS RIGHT The length of the bat is probably about 34 in. Inches is not an SI unit The SI unit for length is the metre (m) So to convert from inches to metres the following conversion factors are used: 34 in = 34in x (2.54cm / 1 in) x (1m / 100cm) = (34

    asked by Frances Salome
  230. physics HELP

    A block a mass of .113 kg is slid horizontally with a acceleration of 2.612 m/s^2 What is the kinectic force and the coefficient of friction. Please show the steps in getting these answers,

    asked by anthony
  231. Chemistry

    Suppose there is a simulation of 25 helium molecules and 25 nitrogen molecules on the right hide of a box before the rate of effusion. Suppose you carry out this simulation and it does not give a precise quantitative reflection of Graham's Law. -->What

    asked by Anonymous
  232. Math

    At whole foods market 5/6 of the vendors sell vegetable and 2/4 sell fruit. What fraction of the vendor sell fruit or vegetable?

    asked by Jennifer
  233. College Algebra

    3x-1/x^2-10x+26 Find all (real) zeros of the function Find all (real) poles of the function The function has... A horizontal asymptote at 0? A non-zero horizontal asymptote? A slant asymptote? None of the above

    asked by Kenzie
  234. Calculus

    Prove that the integral from 0 to 2 of sqrt(4-x^2)dx = pi Should I use a trip substitution for this? Thanks for the help.

    asked by Travis
  235. Science

    Please drwls solve it for me two equal charges of magnitude 0.00000000032 is placed in an electric field. calculate the force of attraction between them

    asked by Drift
  236. american gov't

    What are some positive consequences of having interest groups? Negative?

    asked by Dora
  237. Calc 2

    Is the series convergent or divergent? n=1 series to infinity (-1)^n * (sqrt(n)/(4+5sqrt(n)) Does this diverge?

    asked by James
  238. algebra

    Determine the comparable interest rate for $40,000 loan when the quoted information is 10.9%+0.5pt+$300.(round your answer to two decimals places.)

    asked by missfubu-c
  239. math

    simplify this expression (3xy)^2(2x^2z)^3

    asked by barry
  240. Stats

    If X and Y are uncorrelated in the population, the expected value of the estimated linear regression coefficient (slope) is 0. True False

    asked by Mickie
  241. Math

    8 hrs. = ________ da.?

    asked by Losa
  242. finance

    What is the future value of $4000 in a bank for 9 years at 6% compounded bimonthly

    asked by tlic
  243. finance

    What is the future value of $4000 in a bank for 18 years at a annual interest rate of 6% rounded to the nearest cent.

    asked by tlic
  244. Calc 2

    Does 3/4 - 3/5 + 3/6 - 3/7 + 3/8.... Converge or Diverge?

    asked by James
  245. Chemistry

    y=2.12x + 0.004 and Protein A treated w/Bradford Reagent and has an A595 of 0.53. Can you please explain how to calculate this problem so I know in the future? Thanks for your help.

    asked by Deb
  246. Math

    Differentiate cos^2 x w/ respect to x.

    asked by Nyx
  247. Science

    The "resistant" threshold for gemifloxacin is >1 mg/L while the "resistant" threshold for sulfamethoxazole is >512 mg/L. Explain why there might be this great disparity of values in resistance thresholds (512-fold) for each antibiotic pharmacologically

    asked by Ashley Strenke
  248. business

    HR is the role I chose! What is the role of this department? What types of information does the department need? How does the department use that information?

    asked by toni
  249. child development

    children's genetically prescribed tast5es in food are affected by

    asked by nana
  250. grammar

    ''what if a person eats a special diet for their health?''i asked.where is an incorrect pronoun?

    asked by lil
  251. english

    what is the definition of motivation from literature

    asked by jr
  252. English

    choose a word that is most nearly opposite in the words in () 16.

    asked by Jerald
  253. math

    i am a 3 digit number when i am rounded to the nearest 100 my hundreds digits is one less than my tens digit and 2 less than my ones digit what number am i

    asked by lindsey
  254. math

    an angle is 62.3 degree. find its supplement?

    asked by angel
  255. math

    if a softball team has 10 players how many teams need to be formed for at least 68 players?

    asked by Anonymous
  256. Golf

    After sinking the shot from off the green the golfer was ....... ??

    asked by Kay Brown
  257. Math

    Maria painted 2 thirds of her picture in 3 fourths at this rate what is the total time it would take her to finish the whole painting

    asked by joseph
  258. algebra

    -4x-5=6+3x

    asked by barry
  259. math

    If you earn 5 cents per minute, how many dollars would you earn per week?

    asked by WHO?
  260. finance

    What is the future value of $4000 in a bank for 9 years at 12% compounded bi monthly rounded to the nearest cent.

    asked by tlic
  261. math

    add and subtract unlike fractions 3 over 50

    asked by kayla
  262. geography, Ms. Sue

    Thank You I have two more. Will you check them for me please? 1. What two deserts does the Tropic of Capricorn cross on the continent of Africa? The Kalahari and Namib deserts 2. Is 80 degrees N closer to the equator than is 40 degrees S? No, 40 degrees S

    asked by Reed
  263. Automation

    write a note on material handling system design

    asked by Shivaprasad
  264. Math

    C+1/5=9/20

    asked by Jennifer
  265. chem

    If 10.0 mol of CO occupies a volume of 20.0 L what volume would 4.0 mol of CO occupy?

    asked by don
  266. Chemistry 30

    why does the mass of parcipitate not change when concentration of cacl2 are increased (0.05, 0.075,0.10mol/l)when reacted with nacl2 ( .05mol/l)

    asked by Tara
  267. Algebra

    5/4 + x/2 = 11/8

    asked by Anonymous
  268. us government

    how is compromise and majority rule a part of congressional politics?

    asked by raul
  269. math

    my ones digit is one less then 4. my tens digit is the greatest number of tens that can be in a number. what number am i

    asked by Anonymous
  270. math

    i am a 2 digit number when i am rounded to the nearest 10 my 10 digits are less than my ones digit what number am i

    asked by lindsey
  271. math

    my ones digit is 2 less then eight my ones digit is 4 more then my tens digit what number am i?

    asked by lori
  272. chemistry

    how can we find which kinetic energy is higher?

    asked by zach
  273. math

    3/50

    asked by kayla