Questions Asked on
February 4, 2008

  1. chemistry

    how do you know which halide salts confirms a presence of F- ions, Cl- ions, Br- ions, and I- ions?

    asked by Amanda
  2. chemistry

    An enzyme-catalyzed reaction is carried out in a 50-mL solution containing 0.1 M TRIS buffer. The pH of the reaction mixture at the start was 8.0. As a result of the reaction, 0.002 mol of H+ were produced. What is the ratio of TRIS base to TRIS acid at

    asked by alan
  3. Statistics

    A company manufactures calculators in batches of 64 and there is a 4% rate of defects. Find the probability of getting exactly three defects in a batch.

    asked by Jen
  4. Chemistry

    Classify each of the following by the type of solid if forms: a. LiCl b. BaCl2 c. BCl3 d. CCl4 e. NCl3 I have four different types of solids to guess from like Metallic solid, ionic solid, molecular solid, covalent network solid and i don't know which goes

    asked by Lauren
  5. physics

    in apool game,a cue ball traveling at 0.75 m/!@#$%^&s the stationary eight ball The eight ball moves with a velocity of 0.25 m/s at an angle of 37 deg reletive to the cue balls inital direction assuming that the collision is inelastic at what angle will

    asked by melissa
  6. Chemistry

    A quantity of ice at 0.0 degrees C was added to 33.6 of water at 21.0 degree C to give water at 0.0 degrees C. How much ice was added? The heat of fusion of water is 6.01 kJ/mol and the specific heat is 4.18 J/(g * degrees C) q = mass x specific heat x

    asked by Lauren
  7. physics

    a shooter putter releases the shot some distance above the level ground with a velocity of 12.0 m s 51.0 degrees above the horizontal the shot hits the ground 2.08 s later what is the x-component of the shots acceleration while in flight?

    asked by tiara
  8. physics

    a 100-g bullet is fired horizontally into a 14.9kg block of wood resting on a horizontal surface and the bullet becomes embedded in the block. if the muzzle velocity of the bullet is 250 m/s , what is the speed of the bullet immedatly after the impact

    asked by melissa
  9. math

    How do I take the antilog of -0.05?

    asked by stew
  10. chemistry-buffer

    Buffer question: If I add 3 mL of 1 M NaOH to a buffered solution, will I still have a valid buffer?

    asked by student
  11. maths

    how do you make a mystic rose?

    asked by Malhar
  12. Chemistry

    In a car gas tank, 46.0 g of gasoline burns consuming 173 g of oxygen. The resultant products are carbon dioxide are carbon dixide and water. What is the total combined mass of the products? Would it be 173g - 46.0g = 127g

    asked by AJ
  13. Physics

    Electrons are accelerated in the picture tube through a potential difference of 8000 V. What is the change in the potential energy of each electron traveling in this tube? charge of -e is 1.6E-19 C and its mass is 9E-31 kg.

    asked by Mike
  14. science

    Bess filled a syringe with water and left it by the sink in the sunshine. Ten minutes later she saw a puddle of water under the syring tip so she thought it was broken, but it wasnt. What do you think caused the little puddle of water to appear under the

    asked by aj
  15. physics

    a weight of 12 N causes a spring to stretch 3.0 cm. what is the spring comstant k of the spring?

    asked by chanel
  16. Chemistry

    What mass of solution containing 6.50% sodium sulfate N2SO4 by mass contains 1.50g Na2SO4

    asked by Lauren
  17. Physics

    (a) How much charge does a battery have to supply to a 5.0 uF capacitor to create a potential difference of 1.5 V across its plates? How much energy is stored in the capacitor in this case? (b) How much charge would the batter have to supply to store 1.0 J

    asked by J
  18. Physics

    In lightning storms, the potential difference between the earth and the bottom of the thunderclouds can be as high as 35000000 V.The bottoms of the thunderclouds are typically 1500 m above the earth, and can have an area of 110 km^2. Modelling the

    asked by jenish
  19. Physics

    A 450 uF capacitor is charged to 295 V. Then a wire is connected between the plates. How many joules of thermal energy are produced as the capacitor discharges if all of the energy that was stored goes into heating the wire? I am totally confused I don't

    asked by J
  20. physics

    To get off a frozen frictionless lake, a 70.0kg person takes off a 0.150-kg shoe and throws it horizontally directly away from the shore with a speed of 2.00m/s. If the person is 5.0 m from the shore, how long does it take for him to reach it?

    asked by melissa
  21. physics

    a pool player imports an impulse of 3.2 N*s to a stationary 0.25-kg cue ball with a cue stick what is the speed of the ball just after impact

    asked by melissa
  22. Chemistry

    On the basis of the description given classify each of the following solids as molecular, metallic, ionic, or covalent network. Explain why? A. a lustrous, yellow solid that conducts electricity B. a hard, black solid melting at 2350 degrees C to give a

    asked by Lauren
  23. physics

    a 1.0 kg ball is thrown horizontally with a velocity 15 m/s against a wall. If the ball rebounds horizontally with a velocity of 13 m/s and the contact time is 0.020s what is the force exerted on the ball by the wall?

    asked by melissa
  24. Statistics

    Use the Poisson Distribution to find indicated probability. A naturalist leads whale watch trips every morning in March. Teh number of whales seen ha a Poisson distributyion with a mena of 2.2. Find the probability that on a randomly selected trip, the

    asked by Jen
  25. physics

    A 2600-pF air gap capacitor is connected to a 9.0 V battery.If a piece of pyrex glass is placed between the plates,how much charge will then flow from the battery?

    asked by jenish
  26. chemistry

    (3 pts) The stockroom prepared a solution by dissolving 0.2300 g of Erythrosin B (MW = 879.87 g/mol) in DI water in a 250.00 mL volumetric flask. A student pipetted 5 mL of the stockroom solution into a 100.00 mL volumetric flask and diluted it to the mark

    asked by Anonymous
  27. Chemistry

    A quantity of ice at 0.0 degrees C was added to 33.6 of water at 21.0 degree C to give water at 0.0 degrees C. How much ice was added? The heat of fusion of water is 6.01 kJ/mol and the specific heat is 4.18 J/(g * degrees C) q = mass x specific heat x

    asked by Lauren
  28. chemistry, please help

    2NO2(g)--> 2NO(g) + O2(g) , H=+114.2kJ (Note: H, S, G all have a degree sign next to them) NO: H(enthalpy)=90.3kJ/mol, S(entropy)=210.7J/mol*K, G(gibbs energy)=86.6 O2: H(enthalpy)=0, S(entropy)=?, G(gibbs energy)=0 kJ/mol NO2: H(enthalpy)=33.2, S=239.9,

    asked by apoorva
  29. economics

    Find the CPI for 2006(2005 is the base year; and 2005 as the fixed basket of goods for each year. also 2005 CPI=100) 2006 has price of $2 for 150 quantity of socks and $3 for 100 quantity of gloves.

    asked by Dee
  30. physics

    Two balls with masses of 2.0kg and 6.0kg travel toward each other at speeds of 12 m/s and 4.0 m/s respectivly. If the balls have a head on inelastic collision and the 2.0 kg ball recoils with a speed of 8.0 m/s how much kinetic energy is lost in the

    asked by melissa
  31. Physics

    A certain resistor has a resistance of 1.484 omega at 20 degrees celsius and a resistance of 1.512 omega at 34.0 degrees celsius. What is its temperature coefficient of resistivity? ok..I used a temperature equation but I can't get the right answer. so

    asked by J
  32. chemistry

    Hexane is a hydrocarbon (a molecule containing only carbon and hydrogen) with a molecular weight of 86.18 g/mol, a density of 0.660 g/mL, and a boiling point of 69C . Pentanol is an alcohol (a hydrocarbon with a "OH" group attached to one of its carbons)

    asked by marc
  33. Chemistry

    How would you prepare 455 g of aqueous solution that is 6.50% sodium sulfate Na2SO4 by mass?

    asked by Lauren
  34. PHYSICS

    Two capacitors, C1=25.0x10^-6 and C2=5.0x10^-6 are connected in parallel and charged with a 100-V power supply. a)calculate the total energy stored in the 2 capacitors b) what potential difference would be required across the same 2 capacitors connected in

    asked by nat
  35. Chemistry

    The vapor pressure of water above a sugar water solution at 25.0 degrees C is 21.4 mmHg. What is the mole fraction of sugar in the solution? (assume sugar is a non-electrolyte, non-volatile solute and the vp of pure water at 25 degrees C is 23.8 mmHg)

    asked by Jake
  36. American History

    To what extent might the mid-19th century belief in Manifest Destiny set the stage for the New American Imperialism at the end of the century? Can anyone please give me some hints to do this question?THANKS A LOT!

    asked by Tracy
  37. Social Studies

    I need some sites to help me understand the differences between private and social medicine. I am writing a six page paper on this topic

    asked by Niles
  38. Chemistry

    Indicate which is more soluble in ethanol? C2H5OH, acetic acid, CH3COOH, or stearic acid C17H35COOH.

    asked by Lauren
  39. PHYSICS

    A wire of initial length Lo and radius rO has a measured resistance of 1.0 ohm. the wire is drawn under tensil stress and to a new uniform radius of 0.25rO. what is the new resistance of the wire? i know the answer is 256 ohm but i have no clue how to get

    asked by nat
  40. Chemistry

    An element has hcp packing with a hexagonal unit cell. the volume of the unit cell is 5.71E-26 L. Calculate the density (kg/m3) of the element.

    asked by roxanne
  41. math

    how do you find the reference angle of csc,sec, cot? for example: csc theta= 2 times square root of 3 / 2

    asked by dave
  42. physics

    if a 60-kg woman is riding in a car traveling at 90 km/h is her linear momentum relitive to (a) the ground or (b)the car

    asked by melissa
  43. physics

    find the magnitude of the linear momentum of (a)7.1-kg bowling ball traveling at 12 m/s and(b)a 1200-kg automobile traveling 90-km/h

    asked by melissa
  44. physics

    two springs have spring constants of 10.0 N/cm and 15.0 N/cm. which spring is more difficult to stretch?

    asked by chanel
  45. biology

    If you are getting 270X magnification with a 45X objective, what would be the power of the eyepiece?

    asked by Anna
  46. PPAC

    How is Carbon dioxide added to the water?

    asked by Jamie
  47. statistics

    Suppose that you got a score of X=78 on an English test for which the mean was (mu)=70 and the standard deviation was (lower case sigma)=10. Also, suppose that you got a scores of X=64 on a Spanish test with mean(mu)=50 and (lower case sigma)=7. For which

    asked by Kat
  48. ENGLISH

    thanks Mrs Sue but i already looked at the dictionary and got all the definitions i had 20 words to do for my homework i have to write the definition a synonym and a sentence and those are the only words i couldn't find a sentence for PLEASE HELP!!!

    asked by JESSICA*********HELLLPPP!!!
  49. all

    Can anyone tell me how i can get a Free GED?

    asked by patricia
  50. Chemistry

    A tank of gas at 21 degrees C has a pressure of 1.0 atm. Using the data in the table answer the following questions. Explain your answers A. If the tank contains carbon tetrafluoride, CF4 is the liquid state also present? B. If the tank contains butane,

    asked by Lauren
  51. Chemistry

    Methanol, CH3OH a colorless voltile liquid was formerly known as wood alcohol. It boils at 65 degrees C and has a heat of vaporization of 37.4 kJ/mol. What is its vapor pressure at 22.0 degrees C?

    asked by Lauren
  52. science

    a bacterium ia able to survive boiling, frezing, and extremely dry environments by A. undergoing binary fission B. attaching itself to a host C. becoming an endospore D. going into the lysogenic cycle

    asked by Bay
  53. Philosophy

    Leibniz presents monads as simple substances. Monads are infinite in number, unextended, and windowless, and each mirrors the universe. As a consequence, Leibniz contends that the universe manifests both order and perfection. Why does Leibniz give monads

    asked by Joe
  54. trigonometry

    how do you find sin theta and cosine theta of angles? ex. Find the sine theta and cosine theta of 150 degrees as well as the degrees in radians?

    asked by mariya
  55. physics

    the cener mass of an object (a)always lies at the center of the object (b) is at the location of the most massive partical in the object (c)always lies within the object, or (d) none of the preceding

    asked by melissa
  56. maths

    Andy is not a very good navigator. When he enters a small town, the probability that he gets lost and cannot find the correct road to continue his journey, is 0.2. When he enters a large town, the probability that he does not find the correct exit road is

    asked by Anonymous
  57. Chemistry

    Sorry I have one other question that i'm unsure about. for the solution process of A (s)----> A (aq) the teacher demonstrates upon mixing A in H2O that the temp falls from 22 to 5 degrees C. The soluability of this solid is known to be 28g/100g H2O at 30

    asked by Jake
  58. Philosophy

    Benedict Spinoza argues that substance is infinite and that God or Nature is the one substance. As a monist, Spinoza rejects ontological dualism. From this perspective, how does Spinoza understand thought and extension monistically, and what does he mean

    asked by Joe
  59. math

    diana wants to make a 15ft. by 20ft. section of her yard into a garden. she will plant flowers in 2 of the garden 3 and vegetables in the rest of the garden. how many square feet of the vegetable garden will she have.

    asked by nisa
  60. chemistry

    please help me. write the following in names:- CaHCO3 H2SO4 CaCl2

    asked by jessy
  61. PPAC

    How can I write a A Book Report? I need help

    asked by Jamie
  62. Chemistry

    Can someone tell me if I have this correct, I am leaving something out, or if I need to start over. I am alittle confused about the balanced equation involving a reaction. Write a balanced equation for the reaction of MG with HCI. Mg+HCL---MgCl2=H2 Mg-1

    asked by Tim
  63. Science

    Candles are made from paraffin. Where does paraffin come from? What products are created from burning paraffin candles? How does the wick help the candle burn? Qualitative and quantitive observations?

    asked by Bob
  64. Language Arts

    What is the figurative meaning of the roads diverging in Robert Frost"s poem "The Road not Taken"?

    asked by Bob
  65. chemistry

    The total pressure in a flask containing air and ethanol at 25.7C is 878 mm Hg. The pressure of the air in the flask at 25.7C is 762 mm Hg. If the flask is immersed in a water bath at 30.0C , the total pressure is 980 mm Hg. The vapor pressure of ethanol

    asked by mitchell
  66. Economics

    If 2001 is used as the base year, then what is the price index in 2001?

    asked by Dee
  67. statistics

    For a sample with a mean of M=85, a score of X=90 corresponds to a z-score of z=1.00. What is the sample standard deviation?

    asked by Andrew
  68. chemistry

    Which of the following statements is NOT true in regards to water, ethanol, and isopropanol? A. Water has the highest boiling point. B. Two lone pairs of electrons are assigned to the oxygen in each Lewis structure of all three molecules. C. Dispersion

    asked by jose
  69. algebra

    1. logx+log(x+48)=2 14.log50+log(x/2)=2 23.log72-log(2x/3)=0 Could someone please explain to me how to solve these?

    asked by chelsea
  70. biology

    My question pertains to what happens to red blood cells in various solutions and why. I have found everything except what happens to a red blood cell placed in physiological saline and why. Anyone know?

    asked by Susan
  71. physics

    linear momentum has units of (a)N/m (b)kg*m/s (c)N/s (d)all of the preceeding

    asked by melissa
  72. Chemistry

    The density of gold is 1.93E4 kg/m3 and the cell volume is 6.78E-26 L. Determine the number of atoms in the unit cell. Note: the number of atoms in a unit cell is a whole number. For the purposes of this calculation, enter your answer to 3 significant

    asked by Thy
  73. Maths

    The probability that Don's car passes the MOT test next time is 4/5, that Mag's car passes is 5/7 and that Joe's car passes is 1/2. Find the probability that a)all three will pass b)just two out of the three will pass c)no car passes? (might need a

    asked by Anonymous
  74. MATH

    what should be the dimensions of the cylinder if you wanted it to have the least amout of surface area as possible? the cylinders volume is 100ft cubed

    asked by Mackenzie
  75. chemistry

    The molecular structure around the oxygen in water is ? The molecular structure around all the carbons in ethanol is ?

    asked by lucas
  76. chemistry

    Hexane is a hydrocarbon (a molecule containing only carbon and hydrogen) with a molecular weight of 86.18 g/mol, a density of 0.660 g/mL, and a boiling point of 69C . Pentanol is an alcohol (a hydrocarbon with a "OH" group attached to one of its carbons)

    asked by marc
  77. chemistry

    When a student plotted ln [vapor pressure of a gas] vs. inverse Kelvin temperature, she obtained a straight line with a slope equal to -9.500 x 10^3 K. According to the Clausius Clapeyron equation, Hvap is kJ/mol.

    asked by dave
  78. algebra

    how do you solve quadratic equations Hlep

    asked by carlos lopez
  79. science

    write down the wave equation in symbol form?

    asked by Costa
  80. Equation

    Can anyone check this answer for me, simultaneous equation. Where y = 14 + 0.11x and y = 10 + 0.14x use algebra to solve, is the answer 14 + 0.11x = 10 + 0.14x y = 4 x = 0.03 If not where am I going wrong Thanks... :-)

    asked by Leo
  81. math

    how can the value of tan30 be found?

    asked by shameel
  82. Chemistry

    The element Sc has hcp packing with a hexagonal unit cell. The density of scandium is 3.00E3 kg/m3 and the cell volume is 5.00E-26 L. Calculate the value of Avogadro's number to 3 significant figures based on these data. Note: the value may differ from the

    asked by roxanne
  83. Chemistry; to drwls or drbob

    i think i have posted this before except i forgot to put the decimal in the temperature. i was hoping you could help me now that it might make more sense. The total pressure in a flask containing air and ethanol at 25.7 C is 878 mm Hg. The pressure of the

    asked by Matthew
  84. chemistry

    An element has ccp packing with a face-centered cubic unit cell. Its densiry is 2.70E3 kg/m3 and the unit cell volume is 6.64E-29 m3. Calculate the molar mass (g/mol) of the element to 3 significant figures.

    asked by roxanne
  85. Kaplan

    How do I find the bad debt expense percent when all the info I have is sales, credit sales, collections on accounts receivable, and receivable written off?

    asked by Brittany
  86. Algebra 2

    Approximate to the nearest tenth the positive real zeroes of f(x)=x^2+1. I got .6 Solve over the set of complex numbers. x^4-13x^2+36=0 i got -3,-2,2,3 but i don't know if i even did it right. Solve x^2+4x9=0 by completing the square. I don't even know

    asked by Amanda
  87. investing

    You would like to begin (or increase) your savings for retirement. What types of retirement plans (401ks, IRAs, etc.) might be best for your personal situation? Be sure to explain the plan you are interested in and why this is best for you. 26 female 2

    asked by Myself
  88. Math

    Find dx/dy by implicit differentiation x^2y+y^2x P.S: It's calculus

    asked by Skye
  89. spanish sra Mcguin

    Hope you are feeling better! use correct form of ser or estar aqui______1_____ nosotros Luquillo. Este lugar _____2_________magnifico! La playa_________3________la mas bella del mundo. Yo no _________4______aburrida para nada. Hay mucho que hacer aqui. Hoy

    asked by sam
  90. math

    what should be the dimensions of the cylinder if you wanted it to have the least amout of surface area as possible? the cylinders volume is 100ft cubed

    asked by Mackenzie
  91. physics

    The center of a 4.0 kg sphere and a 7.5 kg sphere are separated by a distance of 1.5 m where is the center of mass of the two sphere system

    asked by melissa
  92. chemistry

    An element has ccp packing with a face-centered cubic unit cell. Its densiry is 2.70E3 kg/m3 and the unit cell volume is 6.64E-29 m3. Calculate the molar mass (g/mol) of the element to 3 significant figures.

    asked by roxanne
  93. math

    Wich if the given numbers are composite?15,19,23,31,49,55,59,87,91,97,103,105

    asked by Sue
  94. English

    What are the central beliefs of Islam, how are they reflected in the "Five Pillars”?

    asked by Anonymous Chaney
  95. CALC -- integrals!

    Iodine-131 is used to treat hypo-thyroidism since it is preferentially absorbed by the thyroid and typically involves a total radiation dosage of 10,000,000 millirem. Iodine-131 has a half-life of eight days. 1. Set up the appropriate integral to represent

    asked by anonymous
  96. algebra

    compare the slopes and tell whether the lines are parallel. y = x + 2 and y = -x -3 can you tell me how to set up the problem so that I can do it.

    asked by Seth
  97. Biology

    I am not sure how to label each of the following plants,animals and insects with one of these names: producer, herbivore, carnivore, detrius and decomposer. 1.Heron 2.Grasses 3.Adult frog 4.Grasshopper 5.Dead Algae 6.Tadpole 7. Water Boatman 8.Yellow Perch

    asked by Faye
  98. algebra

    find the equation in slope-intercept form for the line that contains the given point and that is parallel to the given line. M(-5,2); -3x+8y=24

    asked by help please
  99. accounting

    hey guyz, i've got this true/false question about trademark's amortization under U.S GAAP : Begining with 2002, U.S financial statements, U.S GAAP was changed to require amortization of trademarks on the straight-line basis. Did this happen ? if yes, then

    asked by Sarah
  100. Chemistry

    Calculate the entropy change of the universe (in J/K) when 12.2 g of chlorine are melted in a laboratory at 24.8 oC. Report your answer in scientific notation to three significant figures. Melting Point (°C) -101.0 Boiling Point (°C) -34.1 ÄHo(Fusion)

    asked by Jayme
  101. Chemistry

    What are the five(5) indications that show that a reaction has taken place? Thanks

    asked by eva
  102. Chemistry

    People have proposed towing icebergs to arid parts of the earth as a way to deliver freshwater. Explain why icebergs do not contain salts although they are formed by the freezing of ocean water (i.e saltwater)

    asked by Lauren
  103. Math

    Is there a mathematical formula to calculate this easily? 1 x 2 x 3 x 4 x 5...50 I know it's not an arithmetic/geometric series because that means 1 + 2 + 3 + 4 + 5...50

    asked by Anonymous
  104. geography

    What does a coast guard have to do with the study of geography?

    asked by Rachel
  105. civics, government, presidential elections 2008

    How are Hillary CLintons views on illegal immigration different than the republicans...what makes her solution better?

    asked by jan
  106. us history

    who said "we must all hang together, or we shall all hang separtely"? Thank u!

    asked by roy
  107. chemistry

    The total pressure in a flask containing air and ethanol at 257C is 878 mm Hg. The pressure of the air in the flask at 257C is 762 mm Hg. If the flask is immersed in a water bath at 300C , the total pressure is 980 mm Hg. The vapor pressure of ethanol at

    asked by dave
  108. Chemistry

    The total pressure in a flask containing air and ethanol at 25.7 C is 878 mm Hg. The pressure of the air in the flask at 25.7 C is 762 mm Hg. If the flask is immersed in a water bath at 45.0 C, the total pressure is 980 mm Hg. The vapor pressure of ethanol

    asked by Matt
  109. earth

    When burning coalin a stove, which kind of energy transformation is taking place?

    asked by Nicole
  110. Pharmocology

    Is this true? Water soluble chemicals tend to accumulate in the sediment in the bottom of rivers.

    asked by Julie
  111. accounting/finance

    What does a constant debt-equity ratio mean?

    asked by confused
  112. Business

    Looking for an expert in College Finance.

    asked by Toni
  113. Chemistry

    can the energy originally stored in gasoline be traced to rotating wheels?

    asked by Jonny
  114. history

    i have a bunch of history questions that i cant get. did Sir Walter Raleigh found Virginia? and were books the only publications available during the REnaissance? Who was Geoffrey Chaucer? and one more.. Did Queen Elizbeth and London officials have a

    asked by christina
  115. Chemistry

    If the partial pressure of CO2 is 2.87 atm the soluability in H2O is known to be 4.68 M. What would be the soluability of CO2 in H2O if the partial pressure is increased to 7.60 atm? Assume the temp is held constant. would it work to set up a proportion

    asked by Jake
  116. algebra

    2a+3b=9 3a+2b=12

    asked by hgjki
  117. U.S. History

    What would be an example of scientific management today?

    asked by X
  118. Algebra

    2^2x-1 - 3 times 2^x-1 + 1 = 0

    asked by Anonymous
  119. chemistry

    Among water, ethanol and isopropanol, which has the largest molar mass.

    asked by tristan
  120. chemistry

    In a mixture of ethanol and water, the strongest intermolecular force present between the two chemicals is

    asked by alex
  121. Algebra

    Which is the easiest way to figure a quadratic equation; graphing, quadratic formula, completing a square and factoring?

    asked by Marysvoice
  122. Chemistry

    Snow forms in the upper atmosphere in a cold aid mass that is supersatuated with water vapor. When the snow later falls through a lower, warm air mass, rain forms. When atomic weight is 63.5 amu. Calculate the edge length of the unit cell.

    asked by Lauren
  123. Algerbra I

    Help! I don't get this. solve each inequality. Graph the solution set, if there is one. 1. n-4>11 2. 4q7 4. a+3s/3 8. x/2-4>-6

    asked by Jared
  124. algebra

    x-8+3

    asked by nycosha
  125. math

    Find the exact length of the curve analytically by antidifferentiation. You will need to simplify the integrand algebraically before finding an antiderivative. 1. y = (1/3)(x^2 + 2)^(3/2), from x = 0 to x = 3 and 2. x = (y^3)/3 + 1/(4y), from y = 1 to y =

    asked by todi
  126. science- anatomy

    Situation: You need to step up on a step to reach an object on a high shelf. Instructions: (Part one) Trace the nerve impulse, listing the steps in as much detail as possible, from which your brain sends the message to the appropriate muscles to step up

    asked by Sara
  127. french

    What do you do on page 18 in the comete 1 Daniele Bourdais Sue Finnie.How do you answer the questions on page 18?

    asked by Malhar
  128. Science

    How is it that frogs are parts of two very different food chains?

    asked by Faye
  129. math

    Dr. Mento has a class of 80 students. For a group project, he wants to divide the students into groups of 6,8 or 10. Is this possible? Explain your answer.

    asked by Sue
  130. Math

    is 3/2 a rational number?

    asked by Amanda
  131. Anatomy

    The distance between these structures shorten during a muscle contraction. Is the answer thick filaments(myosin) and thin filament(actin)?

    asked by Danielle
  132. health

    What are some of the reasons dietary modifications may be needed in different life stages

    asked by will
  133. geometry

    3a+30-12=75 how do you do this

    asked by Anonymous
  134. ksb

    i need to write a letter to the king from owain glyndrw,dont know what to write about?

    asked by adam
  135. ENGLISH

    Can you please help me understand this quote in more simpler terms: "Grandmother was rich and I won't go into this. She was a stout woman with a plain face but the fact that she had happened never to have worried about money had left her, even as an old

    asked by Help Needer
  136. Philosophy

    The Continental Rationalists not only articulated elaborate views on substance but also utilized substance as the foundation of their metaphysics. Nevertheless, their views on substance, though similar in some respects, differ in important ways. How do

    asked by Joe
  137. Physics - correction - significant digits

    1) How many SD's? a) 5.7 = 2 SD b) 235.12 = 5 SD c) 8.07 = 3 SD d) 0.0032 = 2 SD e) 0.0150 = 3 SD f) 1.39x10^5 = 3 SD g) 15.200 = 5SD h) 1070 = 3 SD 2) Calculations - Please check the SDs a) 15.3 + 25.03 = 40.33 = 40.3 b) 1200 + 63 = 1263 = 1300 c) 4.78 -

    asked by Anonymous
  138. chemistry

    a radioactive fission product of nuclear explosions and sccidents is often iodine 131 which becomes distributed in the atmosphere. this falls upon the ground and is absorbed by plants. explain how this radiation could eventually beome concentrated in the

    asked by Amanda
  139. Chemistry

    Please i need sum help in balancing these equations: 1)Phos(p)+Bromine(Br)=phostribromide(PBr) 2)Cacl2+NAHCO3+H2O=Nacl=Ca(OH)2+H2Co3 Thank You

    asked by eva
  140. English

    What's a word that could describe the following phrase: forever peace

    asked by Lena
  141. science

    what happens to a cell if there is a high concentration of water on the indside of the cell compared to the low concnetration on the outside?

    asked by Judy
  142. Eng Literature

    Who is Richard Daly of the 1960's?

    asked by Christian
  143. proofread

    Instructions for this essay assignment (relection paper). For this paper, you should think about what you want to get out of your practicum experience. The 90 hours you spend at this site should be an opportunity not only for you to give something to the

    asked by Bizzy
  144. math

    FIND THE ELAPSED TIME START 1:43 FINISH 6:20 HOW DO I FIND IT

    asked by IVAN
  145. social sudies

    A passionate, nonintellectual commitment Truth is subjective. Developed three proofs of God not to sure who their philosophers are but here are mine first one is it a leap of faith? Second one Willaim James and third Mary Daly

    asked by teri
  146. Alebgra

    The lenth of a room is 3 more thean twice the width of the room. The perimeter of the room is 66 feet. What are the dimensions of the room? (Let x=the width fo the room.) Book gives the following for the answer: x + x =(3 + 2x) + (3 + 2x)=66 width=10,

    asked by G
  147. ENGLISH

    I NEED TO MAKE SENTENCES FOR THESE WORDS RUMINATION PRECONCEPTION IMPERTINENT APTLY !!!

    asked by JESSICA*********HELLLPPP!!!
  148. Pre Algabra

    If there is a cylinder that has a volume of 100 ft, what would be the DIMENSIONS of the cylinder to have to LEAST surface area?

    asked by Mackenzie
  149. Finance

    How do you calculate the past growth rate in earnings? What are the components?

    asked by Toni
  150. writing

    I need help writing an essay it is about It's better to think vertical then horizontal.....OR it is It's better to think horizontal then vertical...

    asked by Brittany
  151. English: Consonance and Assonance

    The garden where Marvell scorned love’s solicitude – that dream – and played instead an arcane solitaire, shuffling his thoughts like shadowy chance across the shrubs of ecstasy, and cast the myths away to flowering hours as yes, his mind, that sea,

    asked by *
  152. science

    Bess filled a syringe with water and left it by the sink in the sunshine. Ten minutes later she saw a puddle of water under the syring tip so she thought it was broken, but it wasnt. What do you think caused the little puddle of water to appear under the

    asked by Caroline
  153. drama

    what are the kinds of drama???

    asked by klar maesen
  154. deisel technology

    When setting 0 lash (top-stop) D injectors, which of the following would result in a correct adjustment?

    asked by Josh Scholl
  155. Organic Chem

    what is the correct way to use the IUPAC naming system?!!!

    asked by Dawn
  156. segregation

    How did segregation change from back then to today?

    asked by Brooke
  157. grammar

    Is there a such word as accusatory? For example: You are being very accusatory.

    asked by Anonymous
  158. science

    What is science???

    asked by Genesis
  159. Writing

    My question was one the It's better to think vertical then horizontal...So do we all want to think Vertical?

    asked by Brittany
  160. shakespeare

    what is the royal echange? and what is moorgate?

    asked by anonymous