Questions Asked on
June 8, 2010

  1. Chem (HELP ASAP)

    Phenol C6H5OH partially dissociates in water as shown C6H5OH + H2O --> H3O+ + C6H5O- If Ka is 1.6*10^-10 and the concentration of H3O and C6H5O are both 1.0*10^-5 M at equilibrium, what would be the concentration of phenol?

    asked by maria
  2. Physics

    A woman who weighs 500N stands on an 8.0-m-long board that weighs 100N. The board is supported at each end. The support force at the right end is 3 times the support force at the left end. How far from the right end is the woman standing?

    asked by Ashley
  3. poisson distribution math

    Mr Lee is planning to go fishing this weekend. Assuming that the number of fish caught per hour follows a Poisson distribution with mean 0.6, find the number of complete hours that Mr Lee needs to fish so that the probability of catching more than two fish

    asked by Jazz
  4. geometry

    The sides of a rhombus with angle of 60° are 6 inches. Find the area of the rhombus.

    asked by Anonymous
  5. College Physics

    A point on a rim of a 0.15-m-radius rotating disk has a centripetal acceleration of 5.0 m/s^2. What is the angular speed of a point 0.075 m from the center of the disk?

    asked by Katie
  6. Physics

    What angular speed (in revolutions/second) is needed for a centrifuge to produce an acceleration of 1000g at a radius arm of 15.0cm?

    asked by Katie
  7. Chemistry

    10.0 mol of ammonia gas is injected into a 4.0 L container. At equilibrium 1.2 mol of nitrogen gas is found in the container. The number of moles of ammonia gas left in the container must be which of the following? N2(g) + 3H2(g) 2NH3(g) + 94 kJ a. 8.8 d.

    asked by Alicia
  8. Physics

    A Ferris wheel, rotating initially at an angular speed of 0.500 rad/s, accelerates over a 7.00-s interval at a rate of 0.04 rad/s^2. What angular displacement does the Ferris wheel undergo in this 7-s interval?

    asked by Ashley
  9. Chemistry

    Help with the equation for the synthesis 2-chlorobutane from 1-butene and hydrogen chloride for bromobenzene from benzene and bromine I came up with 1C6H6+1Br2->1C5H6Br+1HBr is this correct?

    asked by mary
  10. Physics

    At what speed will a car round a 52-m-radius curve, banked at a 45 degree angle, if no friction is required between the road and tires to prevent the car from slipping? (g=9.8m/s^2)

    asked by Katie
  11. Economics

    1) Which of the following is an example of a measure of labor productivity? a. Autos get 30 gallons to the mile. b. The growth rate of per capita real GDP is 3.5 percent per year. c. Farm workers produce 30 bushels of wheat per worker per day. d. Wages

    asked by Suzy
  12. 5th grade math

    if a rectangular prism has a vloume of 36 cubic centimeters list 4 possible dimensions it could have

    asked by mckayla
  13. entropy change (chem)

    determine the entropy change for the displacement reaction represented by the following equation : Cl2 + PbBr2 -> PbCl2 + Br2 Cl2 = 223.066 delta S PbBr2 = 182.7 delta S PbCl2 = 131.3 delta S Br2 = 152.231 delta S

    asked by Capella
  14. physics

    A 5 m long see saw has a child whose mass is 25 kg sitting on one end. How far in meters from the center should a 70 kg adult sit on the opposite side for the see saw to balance?

    asked by bob
  15. Physics

    Starting from rest, a wheel undergoes constant angular acceleration for a period of time T. At what time after the start of rotation does the wheel reach an angular speed equal to its average angular speed for this interval?

    asked by Ashley
  16. geometry

    An isosceles trapezoid has bases of 4 and 10. If the base angle is 45°, find the area.

    asked by Anonymous
  17. CHEMISTRRY

    What is the molarity of an HCl solution if 49.0 mL is completely titrated by 68.4 mL of an NaOh solution whose concentration is 0.333 M?

    asked by Mel
  18. O-Chem 253

    I hydrolized the following compound: cis-norbornene-5,6-endo-dicarboxylic anhydride then took the cis-norborene-5,6-endo-dicarboxylic acid and added H2SO4 to it (warmed it up and cooled it) then added drop by drop water (then I reheated the mixture and

    asked by Dmitry
  19. physics

    Graph the following data and calculate the slope. What quantity is the slope of this graph? Normal Force(N) Frictional Force(N) 0 0 2.0 0.6 6.0 1.8 9.0 2.7 10.0 3.0

    asked by Anonymous
  20. physics

    the force exerted on a rope pulling a wagon is 49 N. the rope is 35 degrees above the horizontal. find the force that pulls the wagon over the ground.

    asked by wayne
  21. Physics

    A 2 kg ball of putty moving to the right at 3m/s has a head-on inelastic collision with a 1 kg ball of putty moving to the left at 3m/s. What is the final magnitude and direction of the velocity of the stuck together balls after the collision?

    asked by Misty
  22. geometry

    Find the area of a regular pentagon with side equal to 3 and apothem equal to K.

    asked by Anonymous
  23. Physics

    A ventilation fan has blades 0.25 m long rotating at 20 rpm. What is the centripetal acceleration of a point on the outer tip of a blade?

    asked by Ashley
  24. Chemistry

    give the balanced equation for: Liquid nitric acid decomposes to reddish brown nitrogen dioxide gas, liquid water, and oxygen gas. the equation i got was HNO3 --> NO2+ H2O+ O2 is that right? i haven't balanced it yet

    asked by Anonymous
  25. Math

    klogg weighs 170 lb. He is loading a freight elevator with identical 69-pound boxes. The elevator can carry no more then 2000lb. If klogg rides up with the boxes how many boxes can be loaded on the elevator?

    asked by Dawn
  26. math

    Quadrilateral PQRS is a parallelogram. If adjacent angles are congruent, which statement must be true? A. PQRS is a square. B. PQRS is a rectangle. C. PQRS is an isosceles trapezoid. D. PQRS is a rhombus

    asked by y.m.
  27. Chemistry

    Calculate the mass defect and the binding energy/nucleon of the nuclide 9/4 Be, which has a mass of 9.01218224 amu. The mass of the proton is 1.00726747 amu and the mass of the neutron is 1.00866490 amu. I've gotten this far... mass of proton + mass of

    asked by Anonymous
  28. chem - precipitation problems

    When hydroge sulfide gas is passed through a solution of lead (II) nitrate, lead (II) sulfide precipitates out. Write a balanced equation for this reaction and calculate an average rate, in mol/s for the reaction from this data: 1) at 0 seconds, mass of

    asked by Capella
  29. statistics

    Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities: Suggest you make a drawing and label first… a.Percentage of scores less than

    asked by Kim
  30. Chemistry

    write a balanced equation for solid ammonium nitrite is heated, it produces nitrogen gas and water vapor. i haven't balanced it yet, but is this equation right? NH4NO2 ---> N + H2O

    asked by Anonymous
  31. college

    A 2 kg ball of putty moving to the right at 3m/s has a head-on inelastic collision with a 1 kg ball of putty moving to the left at 3m/s. What is the final magnitude and direction of the velocity of the stuck together balls after the collision?

    asked by Misty
  32. Physics

    A 3.0-m rod is pivoted about its left end. A force of 6.0 N is applied perpendicular to the rod at a distance of 1.2m from the pivot causing a CCW torque, and a force of 5.2N is applied at the end of the rod 3.0m from the pivot. the 5.2N is at an angle of

    asked by Katie
  33. CHM 152

    An automobile antifreeze contains equal volumes of ethylene glycol (d=1.114 g/mL and FW = 62.07) and water (d=1.00 g/mL) at 25oC. The solution has a density of 1.06 g/mL. What is the molarity of ethylene glycol in the solution?

    asked by Car
  34. Physics

    Little Norma has mass 20kg and wants to use a 4.0-m board of mass 10kg as a seesaw. Her friends are busy, so Little Norma seesaws by herself by putting the support at the system's center of gravity when she sits on one end of the board. How far is she from

    asked by Ashley
  35. Physics

    a runner moving at a speed of 5.60 m/s rounds a curved track with a 60.0 m radius. what is the runners acceleration?

    asked by wayne
  36. College Physics

    A 0.30-m-radius automobile tire rotates how many radians after starting from rest and accelerating at a constant 2.0 rad/s^2 over a 5.0-s interval?

    asked by Ashley
  37. English

    Write an essay explaining how epics reveal a civilization's customs, manners, and values. Support your ideas with at least three references from The Odyssey.

    asked by Aaron
  38. Macroeconomic

    The idea that creating incentives for individuals and firms to increase productivity leading to an increase in the long-run aggregate supply curve is a. the Ricardian equivalence theorem. b. demand-side economics. c. consistent with crowding out. d.

    asked by Bob
  39. college physics

    The flywheel of a steam engine runs with a constant angular speed of 165 rev/min. When steam is shut off , the friction of the bearings and of the air brings the wheel to rest in 2.30 hrs (a) What is the constant angular acceleration of the wheel, in

    asked by Bami
  40. Algebra

    On a standardized test, the distribution of scores is normal, the mean of the scores is 75, and the standard deviation is 5.8. If a student scored 83, the student's score ranks 1. below the 75th percentile 2. above the 97th percentile 3. between the 75th

    asked by Priscilla
  41. Macroeconomic

    1. An example of an automatic stabilizer is A. a temporary tax rebate. B. the progressive income tax.Student Response C. cost of living adjustments to social security payments. 2. Which of the following represent expansionary fiscal policy? A. an increase

    asked by Bob
  42. Grammar2

    Identify the function of the relative pronoun in the adjective clause. We all enjoyed the play that you wrote. Thomas Edison, whose accomplishments are legendary, will be our focus next week. On the Internet, we researched our ancestors about whom we know

    asked by just me
  43. Stereotypes-workplace

    can u please give me websites that talks about: the stereotypes in workplace on: "women works better with men than women" because that way there is less fight and competition. or Stereotypes on GENDER in workplace I've been trying to find as much as i can

    asked by Thara!
  44. homework help

    how much power is developed by an electric motor that moved a 500N load a distance of 20 meters in 10 seconds?

    asked by sam
  45. CHEM (PLEASE HELP ASAP)

    The deltaS for a reaction is 3.0 J/(mol*K) at 25 degrees C. Caluculate the deltaG for the reaction when DeltaH = -394 kL and determine whether it will occur spontaneously at this temperature

    asked by Maria
  46. Punnet squares:-(

    A homozygous curly haired pig is crossed with a homozygous straight haired guinea pig. All the offspring are straight-haired(H-dominant straight, h-recessive curly) a) make a punnet square for the f-1 generation I'm a beginner on this stuff, so Im not sure

    asked by Sara
  47. fau

    The mass of an electron is 9.11\times 10^{-31}~\rm kg. If the de Broglie wavelength for an electron in a hydrogen atom is 3.31\times 10^{-10}~\rm m, how fast is the electron moving relative to the speed of light? The speed of light is 3.00\times10^8 ~\rm

    asked by nathalie
  48. more physics..

    find the kinetic energy of an airplane traveling at a speed of 648 km/h if the mass of the airplane is 5,000 kg.

    asked by wayne
  49. Math

    Are all linear equations functions? Why or why not?

    asked by Diana
  50. Maths

    I got this question, and found what I believe to be the solution, but want it confirmed. I started with: log[base5](2x+1) + log[base5](x-1) = 1 And used the product law: log[base5]((2x+1)(x-1)) = 1 log[base5](2x^2-x-1) = 1 Then I changed to exponential

    asked by anonymous
  51. Chemistry

    How would you make 500 mL (0.500L) of a 0.200 M HCl solution from stock concentrate of 12 M HCl?

    asked by Karla
  52. Chemistry

    What volume of 18.00 M HCl is required to completely neutralize 750.0 kg of barium hydroxide at 25.0 degrees C and 760 mm Hg?

    asked by Sean P.
  53. geometry

    find the radius of the circle inscribed in a triangle whose sides are 15cm, 17 cm and 8cm?

    asked by v
  54. algebra

    which quadratic formula would be used to solve the following quadratic equation? 4x^2 - 5x = -2 can you show me the correct answer and how do it please

    asked by gabriel
  55. social studies

    I have a social exam coming up, and my teacher told us the stuff we need to study. One thing she told us to study was the Industrial Revolution in Britain. There is a whole chapter on that so do you think I need to go deep into it or should I just study

    asked by chooey
  56. Punnet Squares

    Could some science teacher please have a moment to look at my punnet squares post, I really do need help on it. I will appreciate all the help you could give me, thanks a lot:-)

    asked by Sara
  57. chem 121

    if an electrically atom can be shown to posses 16 electronswhat is its atomic number and what is the element

    asked by ngugi
  58. geophysical science

    if you walked 20m, took a book from a library table, turned around and walked back to your seat, what are the distance traveled and displacement?

    asked by kamsi
  59. Algebra HELP:(

    I am terrible at word problems. How do I work this? A large park is to be built in the shape of a rectangle. The length is to be 5 m shorter than three times the width. The perimeter of the park is to be 750 m. What will be the length and width of the

    asked by bb
  60. science

    what six conditions can affect the rate of chemical reactions?

    asked by eric
  61. algebra

    x^2+7=43

    asked by Jasmyn
  62. Algebra 1

    Hello. Can someone show me how to 'multiply and express the product in simplest form.' If I can get a detailed example for the first one, I could go my own way for the other two. 1. x - 3 (_______)^3 . 1 2 (______)^2 x - 3 2. x^2 - 9 _______ . x^2 - 4 x +

    asked by Charlezetta
  63. Algebra

    Find the axis of symmetry. x^2-9x+3

    asked by Anonymous
  64. physics

    A 2.10-g particle is released from rest at point A on the inside of a smooth hemispherical bowl of radius R = 28.0 cm. Calculate the following: (a) Its gravitational potential energy at A relative to J (b) Its kinetic energy at B. J (c) Its speed at B. m/s

    asked by nicole
  65. Math

    Find the x-intercepts of the following equation. List the x coordinate only. Y=x^2+2x-3

    asked by Anonymous
  66. math

    whats the answer to 18=6-y?

    asked by Shalea
  67. Geometry HELP

    Find the slope of the line that contains points (3, 2) and (-3, 6). a.)3/2 b.)Undefined c.)-2/3

    asked by Ariel
  68. Math

    Someone please help me. I have no clue where to start. 1. My family and I went to Applebee's for dinner. The price for the meal for all of us was $73.49. How much will a 15% tip be? What will be the total amount paid including tip? 2. My insurance

    asked by Becky
  69. Chemistry

    How would you make 500 mL (0.500L) of a 0.200 M HCl solution from stock concentrate of 12 M HCl?

    asked by Karla
  70. English

    Hi, I am preparing for a english ISU presentation where my job is to present my thesis for the novel "My Sister's keeper" by relating it to other thing in life. Could you help me find another movie/film that follows the idea when one member in the family

    asked by Ally
  71. evans high

    what is the distanace between the origin and the point (5,-19)

    asked by Anonymous
  72. math

    In a school 1/5 th of the girls and 1/8 th of boys took part in a school camp. Find friction of the total strength of took part in the camp

    asked by Ajay
  73. Math

    A few here. 4x-8 ------ x(squared)-4 _________________________ 2m(squared)+5m-3 ------------------ m(squared)+4m+3 __________________________ 3x+4 ----- 12 (times) 8 ----- 9x+12 ________________________ x+5 ----- 16x (divided by) 3x-2 ----- 4x(squared)

    asked by Maddi
  74. chemistry

    identification between copper sulphate & zinc sulphate

    asked by yash
  75. Chemistry

    What is the structural formula for 1-bromo-3,4-dimethylheptane

    asked by mary
  76. algebra

    What number is used to complete the square for the equation x^2 = 20x? a) 100 b) 10 c) -10 d) -100 a

    asked by Ami
  77. algebra

    solve 2x^2 = 9x. round to the nearest tenth. a)x = 0 or x = -4.5 b)x = 4.5 c)x = 1.5 or x = 3 d)x = 0 or x = 4.5 i think the answer is d but i could be wrong

    asked by gabriel
  78. algebra please check

    Find the distance between the given points (3, 5) and (8, 2) (8-3)^2 + (2-5)^2 5^2 + -3^2 25 + 9 = 34 sqrt of 34 = 5.83

    asked by bart
  79. Math 209

    An advertisement for LED HDTVs lists the following prices for their different sizes (all have the same aspect ratio 9:16): 22-inch $ 247.99 42-inch $ 1,299.99 46-inch $ 1,449.99 52-inch $ 1,799.99 55-inch $ 1,999.0 Rearrange this list in terms of the price

    asked by Anonymous
  80. CHM 152

    A 0.750 L bottle of a French Merlot is said to contain 12.5% alcohol by volume. How much of the liquid, in mL, in the bottle is water?

    asked by Car
  81. Grammar

    Identify the function of the relative pronoun in the adjective clause. The game was designed by Zack, who studies computer programming...

    asked by just me
  82. Physics

    A projectile is launched horizontally with a speed of 80.0 m/s. If the projectile is launched 1.5m above the floor, how long does it take the projectile to hit the floor?

    asked by Lilly
  83. Algebra: did I do this right

    find the other endpoint of a line segment with the given midpoint (6,4) endpoint ((3, 5). 6= 3/2 and 4 = 5/2 12=6 and 8 = 10 12-6 and 8 - (-10) End Point = (6, 18)

    asked by bb
  84. statistics

    that last post, the last number is 120

    asked by Kim
  85. geometry

    In the accompanying diagram of triangle ABC side DE is parallel to AC. If BD is 8 and BA is 18, that is all on side d is the midpoint of BA and BC is 27 with the midpoint E what is the length of BE??

    asked by Michelle
  86. geometry

    Find the area of a parallelogram with sides of 6 and 12 and an angle of 60°.

    asked by Anonymous
  87. trig

    Find the focus, directrix and axis of the parabola with equation x= 2y^2+3? Thank you for helping me!

    asked by Jenny
  88. C++ Programming

    Design and create a class named Stats that has an array of 12 doubles as one of its member variables. The values in the array should be set by making 12 calls to a public member function named setValue that accepts two arguments, an integer indicating

    asked by kyuu09
  89. help with molar mass in CHEMISTRY

    200 g of a non-electrolye is dissolved in 1000 g of water. The boiling point of the solution is then measured to be 101.5 C. What is the molar mass? (the Kb for water is 0.51 C/m) I know deltaT = 0.51 C/m but where do I go from there?

    asked by anonymous
  90. Math

    Solve: x^2+7=43

    asked by Jasmyn
  91. Math

    Solve by completing the square: x^2=5x+2

    asked by Jasmyn
  92. Math

    Solve by using the quadratic formula: x^2=5x+2

    asked by Jasmyn
  93. Math

    x^2+16x+69=6

    asked by Jasmyn
  94. Physics

    Here, I am dealing with a Science formula for momentum. The formula is: M= mv So, I have: m= 10 grams (.01 Kilograms) v= 5,000 centimeters a second (50 m/s) It says to Find M and also solve the formula for M. Please help!

    asked by Amal
  95. math

    Find the vertex of the parabola. y=x^2-6x+7

    asked by any
  96. Biology

    I need help with a few questions involving my study guide for my exam.. some things are old so i need help to remember them. Do all cells reproduce the same way? Why/How does DNA decide everything? What enzymes are involved in replication? please help me

    asked by Studygirl
  97. CHM 152

    How many gram of Fe+3 are required to make 1.0 L of an aqueous solution of 10 ppm Fe+3? Assume density of water is 1.00 g/mL.

    asked by Car
  98. Algebra: please check

    Find the equation of a line that passes through the point (1,2) and has a slope of 1/3. Show how you found the equation. Would the equation be: y-2=1/3(x-1) Do I need to finish this? I am not sure how.

    asked by bart
  99. Math

    Canyu canoe co rents canoes for 8 dollars plus 3 dollars per hour or any part of an hour. for how many hours can you rent a canoe if you want to spend no more then 25 dollars?

    asked by Allyson
  100. Chemistry

    How would you make 500 mL (0.500L) of a 0.200 M HCl solution from stock concentrate of 12 M HCl?

    asked by Karla
  101. Natl. parks

    Why are these national parks in Kenya considered tourist attractions? (Ruaha and Mt. Kilimanjaro) I should know why the 2nd park is an attraction. The mountain is well-known in Africa.

    asked by AL 92
  102. Chemistry

    What is the difference between Entropy, Enthalpy and Free Energy. I'm getting really confused and I just need someone to explain it in simple terms please. Thanks in advance.

    asked by CHeem
  103. Physical Science

    What are the various processes that affect the changes in land surface?

    asked by John Henry
  104. algebra

    -720=x-9x plese explain to me how to do this prob step by step

    asked by Anonymous
  105. algebra

    3x=17 the anser is 5.6. whats that in fraction form?

    asked by Anonymous
  106. Chemistry

    consider 2 sample of nitrogen gas. sample 1 contains 1.5 mol of N2 and has a volume of 36.7L at 25C and 1 atm. sample 2 has a volume of 16.5L at 25C and 1 atm. calculate the number of moles of N2 in sample 2 do i use the pv= nrt equation? and do i only use

    asked by Anonymous
  107. Math 209

    f(x) = x3 + 2x2 – 0.4X – 1 how do you you factor this?

    asked by Anonymous
  108. Body Systems

    The choroid and the auricle are similar because?

    asked by Suzanne
  109. economics

    What calculations and ratios should a firm utilize to ensure it is competing at a high level? Why?

    asked by Riley
  110. Math 209

    f(x) = x3 + 2x2 – 0.4X – 1 how do you you factor this?

    asked by Anonymous
  111. Anatomy

    another name and cause of hyperthyroidism

    asked by Lance
  112. chemistry

    Would the reaction of NaOH and HCl be arrhenius, bronsted-lowry, or lewis? What about NaOH and H2SO4?

    asked by Amy
  113. trigonometry

    A construction worker working at 300 feet from the ground, drops a nail onto the ground below. The function, s(t) = -4.9t2 + 300, gives the height (in meters) of the object as it falls to the ground. The velocity at time t = 3 seconds is given by lim(t->3)

    asked by Kevin
  114. trigonometry

    A construction worker working at 300 feet from the ground, drops a nail onto the ground below. The function, s(t) = -4.9t2 + 300, gives the height (in meters) of the object as it falls to the ground. The velocity at time t = 3 seconds is given by lim(t->3)

    asked by Kevin
  115. Operations management

    how does finance marketing and personnel support product stategy in an organization

    asked by yvonne
  116. English

    Can you please check these sentences for me? Thank you very much in advance. 1)The meeting was held in spite of the rain. 2)In spite of the fact that/although it was raining, the concert wasn't postponed. 3) The meeting was put off because of/due to/owing

    asked by Franco
  117. Geometry

    Write an equation of the straight line whose slope is 2 and whose y-intercept is the same as that of the line represented by the equation y=4x-2. What is it ?

    asked by Michelle
  118. algebra

    Simplify: sqrt() 27 - sqrt() 8 + 2 sqrt() 2 a) 0 b) 3 sqrt () - 2 sqrt() 2 c) 3 sqrt () - 4 sqrt () 2 d) 3 sqrt () 3

    asked by kim
  119. college

    The first difference of a sequence is 6, 10,14,18. The sum of the first two terms of the original sequence is 24. Find the first three term of the original sequence. the first term of the original sequence is?

    asked by KIM
  120. Geometry

    I'm given a rhombus (BCDE) and I am supposed to make a proof. There is a diagonal across the rhombus from C to E. I am given that CE bisects angle BCD and BED. I am supposed to prove that BE is congruent to DE. If you could help me at least start writing

    asked by Finn
  121. math

    express these ratios as a fraction in simplest form 1. 25 to10 2. 14:70 3. 11:66 4. 12 to 64 5. 90 to 33 6.50 : 100

    asked by joey
  122. biology

    What diseases can mitochondrial DNA cause? Are they hereditary?

    asked by Jazz
  123. Biology

    Which phyla have the different types of body symmetry that animals have?

    asked by Taylor
  124. math

    what is the height of a triangle whose sides are 13 , 20 and 21 cm

    asked by tom
  125. Geometry HELP

    A line passes through points (x, 7) and (3, 2). The slope of the line is 1/2. Find x. a.)5 b.)13 c.)3.5

    asked by Ariel
  126. Math

    The height h in feet of an object after t seconds is given by the function. h=-16t^2+40t+9

    asked by Anonymous
  127. radicals

    multiply. assume that expressions under radicals are non negative. √x+3 * √x-3

    asked by troy
  128. Chemistry

    200 g of a non-electrolye is dissolved in 1000 g of water. The boiling point of the solution is then measured to be 101.5 C. What is the molar mass? (the Kb for water is 0.51 C/m) I know deltaT = 0.51 C/m but where do I go from there?

    asked by Alice
  129. Algebra

    What similarities and differences are there between functions and linear equations?

    asked by Jack
  130. art

    what is difference between the elements and the principles of design

    asked by Anonymous
  131. algebra

    which is the equation for the axis of symmetry of y=1/2x^2 -2x -3? a)y = -2 b)y = 2 c)x = -2 d)x = 2

    asked by Ami
  132. algebra

    what number is used to complete the square for the equation y^2 + 16 = -y? a).-25 b).25 c)-64 d)64 a

    asked by Ami
  133. social science

    describe federalism in the constitution of india?

    asked by jayanshu
  134. Math

    What is the strength of 1/5 and 1/8 in fraction

    asked by Ajay.
  135. Math

    What is the strength of 1/5 and 1/8 in fraction

    asked by Ajay.
  136. English gr 2

    what is " like a little sleeping bag"? how do these words help you visualize?

    asked by amy
  137. Chemistry

    I will try these again, as I am really struggling with these compounds. Hard going back to school after all these years. 1. I will list the longest chain and then tell when items are placed above and below CH3-C=CH-CH-CH3 above C is CH3 Below the second CH

    asked by mary
  138. algebra

    What number is used to complete the square for the equation x^2 + 5x = 0? a) 6.25 b) 25 c) 10 d) 2.5 a

    asked by Ami
  139. algebra

    another prob(last one) 6x-7x=18

    asked by Anonymous
  140. algebra

    simplity ()81 a)3 b)9 c)17 d)4 b

    asked by mollty
  141. math

    evaluate the expression (-7)-8

    asked by blair
  142. 8th grade

    when two or more substances combine to make a complex compound,the process is called a......WHAT??

    asked by kaitlyn
  143. business law

    Felix is a school bus driver. He is driving children home from school one day, when he is distracted by a fight in the back of the bus. He turns to see what is happening behind him, and accidentally strikes and kills two twins riding bicycles in the bike

    asked by debbie
  144. History 125

    Create a five to seven-point bullet point list of the factors that led to political stalemate and the subsequent farmer's revolt in the late 19th century

    asked by Donna
  145. Biology

    will a benedict reagent test be able to detect all sugars?

    asked by Mary
  146. iscom

    Taylor Inc Manufactures widgets

    asked by Anonymous
  147. math

    The measure of 2 = 2x + 12 and the measure of 8 = 4x - 48. What value of x will show that lines f and g are parallel?

    asked by mmmm
  148. physics

    x-rays produced in an x ray machine can have a frequency of 1.4*10^14 what is the wave length of these electromagnetic waves in nm?

    asked by frank
  149. Language Arts

    Do you have any book reviews opr book reports on Sharon Draper's Darkness Before Dawn?

    asked by Jacqueline
  150. Ms.Sue

    Ms.Sue could you help me again please?Thanks -Earlier you say: The best example is the last four lines: "And so, all the night-tide, I lie down by the side Of my darling- my darling- my life and my bride, In the sepulchre there by the sea, In her tomb by

    asked by Shadow
  151. wgu

    How did the moon landing help to change the way scientists understand an aspect of the natural world.

    asked by katie
  152. Sci

    What's the point of having a ecosystem diagram for the global warming?????? And I do then whats my hypothesis going to be??? Also then what is going to be my reason and concern on why I have sataed to have coosen this type of science project for the

    asked by Alisha
  153. algebra please check :(

    find the midpoint of the line segment having the given endpoints(0,5) and (0, -8). (0+0/2, -8+5/2) = (0/2,-3/2)= (0,-1.5) P = (0, -1.5)

    asked by bart
  154. math pre-ALG

    how to write 72,700 in word form

    asked by laila
  155. 8th grade

    okay, heres the deal tomorrows my english exam in which i need to write a DESCRIPTIVE paragraph. i reaaaallllllly need a BROAD topic to write about, anyone got any ideas?

    asked by Amanda
  156. Alg

    6m/2m would this equal 4m or 3m

    asked by Amy~
  157. child growth and development

    Dr.Smartz has been intensely engaged in a study of the twins Annette and Brad for the last two years. You would most accurately sayb that Dr.Smatz is engaged in a/an? A. gender experiment B. correlational study C. cross-lagged method D. case study

    asked by Anonymous
  158. algebra

    sqrt() x + 7 = 2sqrt()x a) {3/7} b) {0} c) {7/3} d) 0

    asked by mollty
  159. integrated algebra

    x^2-7+10=y

    asked by Anonymous
  160. biology

    what's an example of competition between humans and other species?

    asked by Anonymous
  161. child growth and develpoment

    If there is concern about a neural tube defect in the fetus, which of the test is leat usable? A. ultrasound B. Blood test C. AFP assay D. Fetoscopy exam I think it is c

    asked by Anonymous
  162. COM 220

    strategies to help a writer spot his or her own errors.

    asked by tony
  163. child growth and development

    In comparison to concordance rates for autism in dizygotic twins, monozygotic twins are___likely to developthe same illness?A. significantly B. somewhat less C.significantly more D. somewhat more I think it is c

    asked by Anonymous
  164. COM 220

    o What was your experience with the Center for Writing Excellence in the past? In addition to the College for Writing Excellence, what other writing tools are available for revising a research paper? · How can you become your own editor and review your

    asked by tony
  165. Science

    Who was regarded as a mad scientist?

    asked by Kaha Mark
  166. statistics

    A local tire store suspects that the mean life of a new discount tire is less that 39,000 miles. To check the claim, the store selects randomly 18 of these new discount tires. When they are tested, it is found that the mean life is 38,250 miles with a

    asked by Barbara
  167. algebra

    simplify the following radical expression: 3 sqrt () -216x^2/x^2 a) sqrt() -6x b)-6 c)-6 sqrt()x d) 6 sqrt()-x

    asked by kim
  168. com 140

    What strategies may you use to incorporate effective visual elements into business presentations? Explain your answer

    asked by kaylan stammers
  169. english

    Is Where to? a complete sentence or a fragment?

    asked by Brett
  170. Geometry HELP

    1.) Given points A(-4, 5), B(2, 3), C(0, 4) and D(5, 0), decide if AB and CD are parallel, perpendicular or neither. 2.)Given the equations y = 1x + 7 and y = 3x - 2, decide whether the lines are parallel, perpendicular or neither. 3.) Given the equations

    asked by Ariel
  171. Algebra: pleace check

    find the other endpoint of a line segment with the given midpoint (6,4) endpoint ((3, 5). 6= 3/2 and 4 = 5/2 12=6 and 8 = 10 12-6 and 8 - (-10) End Point = (6, 18)

    asked by bart
  172. Physics

    Here, I am dealing with a Science formula for momentum. The formula is: M= mv So, I have: m= 10 grams (.01 Kilograms) v= 5,000 centimeters a second (50 m/s) It says to Find M and also solve the formula for M. Please help!

    asked by Amal
  173. math

    Solve by completing the square: x^2=5x+2

    asked by amy
  174. Geometry HELP

    A line has a slope m=1/3 and it passes through the point (3, 4). Find the equation for the line in slope-intercept form. a.)y = 1/3x + 3 b.)y - 4 = 1/3(x - 3) c.)y - 3 = 1/3(x - 4)

    asked by Ariel
  175. human service management

    What considerations should managers be aware of when administering progressive discipline? What considerations should managers be aware of when administering positive discipline? Explain the effect of the employment-at-will principle on the progressive and

    asked by r
  176. L.A

    Read the poem "Annabel Lee" and write why you think Allan's grief for his wife has made him unable to go on with his own life. Use examples from the poems.-Thanks

    asked by Shadow
  177. Geometry HELP

    Write the equation for the line in slope-intercept form:Slope: m=3; Y-intercept: B=7 a.)y - 3 = 7(x - 3) b.)y = 3x + 7 c.)y = 7x - 3

    asked by Ariel
  178. Literature - The Metamorphosis

    The Metamorphosis is a novel by Franz Kafka which has lots of religious symbolism. For example, when an apple is thrown at Gregor and embedded in his skin. I heard that in religious symbolism, apple terms for sin. What, however, is the significance when

    asked by Jazz
  179. algebra

    A man (we'll refer to him as man 1) starts from his home at 8 A.M. and drives a steady rate of 50 MPH. An hour later a second man ( man 2) starts to follow him. Draw a graph to represent these facts. From the graph find when man 2 overtakes man 1. Okay, I

    asked by Amal
  180. Math

    Describe each set of points for the given mathematical statement. (x + 3)^2 + (y - 4)^2 = 9 How would I figure this out? Any help would be great, thanks! :)

    asked by Rachel