Questions Asked on
June 8, 2011

  1. chemistry

    When 3.761g of a hydrate of strontium chloride is heated to 60 degree C it forms strontium chloride dihydrate of mass 2.746g What is the formula of the original sample?

    asked by aryan
  2. physics

    3. A man lifts various loads with the same lever. The distance of the applied force from the fulcrum is 1.00 m, and the distance from the fulcrum to the load is 0.250 m. What is the mechanical advantage of the lever? What is the ideal mechanical advantage

    asked by Tim
  3. chemistry - hess's law (check + help)

    31. Carbon monoxide reacts with hydrogen gas to produce a mixture of methane, carbon dioxide, and water. (This mixture is known as substitute natural gas.) 4CO(g) + 8H2(g) → 3CH4(g) + CO2(g) + 2H2O(_) Use the following thermochemical equations to

    asked by Farah
  4. Chemistry

    The enthalpy change in the combustion of the hydrocarbon octane is delta H = -5.48 x 10^3 kJ/mol C8H18 (l). How much heat, in kilojoules, is liberated per gallon of octane burned? (Density of octane = 0.703 g/mL; 1 gal = 3.785 L.)

    asked by Jackie D
  5. Chemistry

    which is the stronger acid, HIO4 or HBrO4?

    asked by Amy
  6. Science: Chemistry - Enthalpy

    The enthalpy change in the combustion of the hydrocarbon octane is delta H = -5.48 x 10^3 kJ/mol C8H18(l). How much heat, in kilojoules, is liberated per gallon of octane burned? (Density of octane = 0.703 g/mL; 1 gal = 3.785 L.)

    asked by Jackie
  7. Algebra

    Wk 6 Sec 12.7 #24 World population growth In 2008 the world population was 6.7 billion and the exponential growth rate was 1.14% per year. A.Find the exponential growth function B.Predict the world’s population in 2014 C.When will the world’s

    asked by mema
  8. URGENT math rate of change

    What is the horizontal change between the points (-2, 5) and (4, 10)?

    asked by Chelsea
  9. chemistry

    determine half life of krypton-92 if only 6.0 millograms of an original 96.0 sample remains unchanged after 7.36 seconds

    asked by Deb
  10. Chemistry

    The following volumes of 0.000300 M SCN are diluted to 15.00mL determine the concentration of SCN in each sample after dilution. Sample 0.000300 M SCN(ml) SCN (M) 1 1.50 2 3.50 Can someone please explain how to do this?

    asked by Max
  11. Chemistry

    how many grams of each species will be present at the end when 0.500g of copper is added to 2.500g of AgNO3? Cu(s) + 2 AgNO3(aq) --> 2 Ag(s) + Cu(NO3)2 (aq)

    asked by tc
  12. Math

    An initial investment of $1000 is appreciated for 8 years in an account that earns 9% interest, compounded annually. Find the amount of money in the account at the end of the period

    asked by Lisa
  13. quantitative analysis

    The city of New Berlin is considering making several of its streets one-way. What is the maximum number of cars per hour that can travel from east to west?

    asked by faye
  14. physics

    A man lifts various loads with the same lever. The distance of the applied force from the fulcrum is 1.00 m, and the distance from the fulcrum to the load is 0.250 m. What is the mechanical advantage of the lever? What is the ideal mechanical advantage of

    asked by Tim
  15. physics

    5. An object is 30.0 cm to the left of a convex lens with a focal length of +8.0 cm. Draw a ray diagram of the setup showing the location of the image. Calculate the distance of the image from the lens. Is the image upright or inverted?

    asked by Jamie
  16. chemistry - enthalpy change and finiding volume of

    29. Consider the following chemical equations and their enthalpy changes. CH4(g) + 2O2(g) → CO2(g) + 2H2O(g) ΔH = −8.0 × 102 kJ CaO(s) + H2O(_) → Ca(OH)2(aq) ΔH = −65 kJ What volume of methane, at 20°C and 100 kPa, would have to be combusted in

    asked by Farah
  17. math

    katie makes 70% of her shots from the free throw line . can you determine how many consecutive free throws she must make in order to increase her precent. explain

    asked by amanda
  18. science

    A man lifts various loads with the same lever. The distance of the applied force from the fulcrum is 1.00 m, and the distance from the fulcrum to the load is 0.250 m. What is the mechanical advantage of the lever? What is the ideal mechanical advantage of

    asked by Anonymous
  19. Chemistry - enthalpy of combustion(help!!!)

    i need help with the below question, i have tried answering it, but do not know where to go after the equations, please start me off on how to find the enthalpy of combustion of at least one.... Consider methane, CH4, and hydrogen, H2, as possible fuel

    asked by Farah
  20. Algebra

    what's the square root of 7/25? How do I figure it out? I don't think I can simplify the 7, but the 25 becomes a 5? but it wouldn't be 7/5?

    asked by Shelly
  21. Math

    If $ 2500 is invested in an account that pays interest compounded continuously, how long will it take to grow to $ 5000 at 3%? Round to the nearest tenth

    asked by Jason
  22. Chemistry

    With the initial concentrations of [SCN]= 0.0005 M, [Fe3+]= 0.000698M, and [Fe(SCN)2+]=0.000M, determine the value of k if the [Fe(SCN)2+] at equilibrium is 0.0000866M. Fe3+(aq) + SCN (aq) = Fe(SCN)2+ (aq)

    asked by Marcelo
  23. Calculus

    A car passes by a certain point at time t = 0 hours heading east at 40 miles per hour. At t = 1 hour another car passes by the same point heading north at 50 miles per hour. What is the functiuonthat equals the distance between the two cars?

    asked by Liz
  24. chemistry - electron configuration(check)

    is the below the correct electronic configuration for arsenic? Arsenic:[Ar]4s23d104p3

    asked by Farah
  25. physics

    A 500.0 g metal block absorbs 1.125 × 104 J of heat to raise its temperature by 50.0 K. What is the substance? Specific Heats of Selected Substances ______________________________________ Substance C [J/(kg•K)] Water (ice-)2,060 Iron-450 Aluminum-897

    asked by Alena
  26. Chemistry

    Is the following reaction spontaneous at 25*C? delta s reaction = -217 J/K*mol delta H rxn = -1202 KJ 2Mg (s) + O2 (g) -> 2MgO (s) delta suniverse = delta s system - delta H system / T i got positive (+) 3.81 x 10 ^ 3 J/K and my notes says it is

    asked by ChemLover
  27. statistics

    1. A researcher is interested in whether students who attend private high schools have higher average SAT Scores than students in the general population. A random sample of 90 students at a private high school is tested and and a mean SAT score of 1030 is

    asked by Carl
  28. Statistics

    The heights of male students in a given university are normally distributed, with a mean of 70 inches and a standard deviation of .5 inches. Find the height (x value) that corresponds to the z value of -1.33.

    asked by Tony
  29. Algebra

    Write the equation for this situation: the cost, c, in dollars of a car rental is equal to 10 dollars plus 1/2 the miles driven, m. Then graph the equation and use the graph to determine the cost of the car rental if the number of miles driven is 12

    asked by DONNICE
  30. teacher aides

    which of the following is the best statement about children who are abused a]they most often come from impoverised families. b]they cannot usually be identified by thier appearance. c]they will misbehave more often in the class . d]they are usually between

    asked by sara
  31. Statistics

    Which of the following values cannot be a probability? 0.5 0.00 0.85 1.00 1.02

    asked by Scott
  32. Elementary Statistics

    A class consists of 39 woman and 42 men. If a student is randomly selected, what is the probability that the student will be male?

    asked by Phillip
  33. chemistry - structure and properties (help)

    I have a revision question which i do not understand please help me out: 45. Explain the following observations: motor oil pours from a can more slowly than water; however, in a jar, the meniscus of motor oil is flatter than the meniscus of water. The

    asked by Farah
  34. Life orientation

    Name 2 institutions/community organisations in South Africa involved in supporting or giving redress to enviromental/human factors that cause ill-health,diseases,accidents etc?

    asked by Kgomotso
  35. Chemistry - enthalpy and rate constant (check)

    22. The rate of a chemical reaction is dependent on its ΔH. Do you agree or disagree with this statement? Briefly justify your answer. I agree with the above statement, enthalpy is defined as the internal energy of the reactants and products therefore the

    asked by Farah
  36. chemistry - ionization energy(check + help)

    I need help understanding by boron does not follow the ionization trend across the period is lower than the first two elements in the same period, where as it should be higher. has it got to do with the p block having an electron, which makes it easier to

    asked by Farah
  37. history

    2. Why did European economic practices and financial institutions (trading companies, banks, investments, creation of global markets) weaken Middle Eastern and Asian economies and upset local politics? 3. How did countries or empires in the Middle East and

    asked by ivan
  38. Elementary Statistics

    A machine has 7 identical components which function independently. The probability that a component will fail is .2. The machine will stop working if more than three components fail. Find the probability that the machine will be working?

    asked by Tony
  39. Math

    How many grams of saline are needed to make 300 ml of 0.9%(w/v) saline?

    asked by DJ
  40. physics work and energy

    A basket of neglible wieght hangs from a vertical spring scale of constant force 1500N/m. If you sundally put a 3.0 Kg adobe brick in the basket, find the maximum distance that the spring will stretch. If, instead, you released the brick from 1.0 m above

    asked by Anonymous
  41. physics

    4. An 800.0 kg roller coaster car is at rest at the top of a 95 m hill. It rolls down the first drop to a height of 31 m. When it travels to the top of the second hill, it is moving at 28 m/s. It then rolls down the second hill until it is at ground

    asked by Jamie
  42. economics

    what is a 401k

    asked by Anonymous
  43. maths (trigonometry)

    calculate the following: 1)sin 50 degree-sin 70 degree+sin 10deg. 2)cos square 48 deg.- sin square 12 deg. 3)tan 20 deg.+tan 40 deg.+root 3 tan 20 tan 40 Plz. Solve these

    asked by marley
  44. Math

    a kind benefactor sets up a prize in an international school. the benefactor donates $10 000. the school invests the money in an account paying 5% interest. if $750 was paid out annually, for how long can the full prize be given out?

    asked by Anonymous
  45. TEACHER AIDES

    which of the following best describes achid who has been abused a]child eager to answer your questions. b]child more mature than other children. c]chid typically forms strong friendships. d]the child may be quiet and tentative. I think its D.

    asked by sara
  46. physics

    A ball thrown at an angle of 40 degrees with respect to the ground strikes a building 10m away at a height of 3m above the ground. The magnitude of the initial velocity is?

    asked by Anonymous
  47. Math please help Mrs.Sue!

    XYZ (triangle) has vertices X(-1, 1), Y(3, 9), and Z(6, -2). Determine the coordinates of point W on XY so that ZW is a median of XYZ

    asked by Anonymous
  48. science- chemistry

    a mixture containing CaCO3 and CaO only. When 0.3500 g of mixture was ignited and cooled, the wt of mixture was 0.3400 g. Calculate %CaO in original mixture.

    asked by RRG
  49. accounting

    kindly please help me. B1, G1, and P1 formed a partnership. They agreed that B1 will receive a bonus of 10% of partnership net income. B1 and G1 will receive salary allowances of $10,000 and $8,000, respectively, and the remaining income is allocated

    asked by jessie
  50. math rate of change

    What is the vertical change between the points (100, 5) and (1000, 5)?

    asked by chelsea
  51. uh manoa

    A basket of neglible wieght hangs from a vertical spring scale of constant force 1500N/m. If you sundally put a 3.0 Kg adobe brick in the basket, find the maximum distance that the spring will stretch. If, instead, you released the brick from 1.0 m above

    asked by luis
  52. us history

    what challenges face minorities in the united states today? how are minorities dealing with these challenges? I want to understand the question, what does it mean by minorities? - does it mean PEOPLE like ummm immigrants, Latinos, Blacks, or Asians??? and

    asked by kathy
  53. Statistics

    A bag contains 8 red marbles, 3 blue marbles, and 2 green marbles.

    asked by Phillip
  54. math

    Each year, Cathy invests $1,200 in her account. The account pays an interest rate of 6.3%. The formula to calculate the balance in her account is B =A(1+ r)n+1- A, where r A is the amount invested per year, r is the interest rate, and n is the number of

    asked by michelle
  55. PreCal

    Factor Completely: 10y^7 +26y^6 -12y^5

    asked by LA
  56. statistics(best fit line)

    I'm trying to graph a set of points with data, and I have been given the equation for the best fit line, but when I graph it, the line doesn't match up with the data. It's either too steep or too low. I think it has to do with my intervals for the x and y

    asked by bryan
  57. painting

    Joe had eight sections of fence to paint. He painted 2/3 of each section in one hour. How many hours did it take him to paint all the section of the fence?

    asked by Rochelle
  58. English

    "The boat is made of paper." Why is the made in the past tense in this sentence? What kind of grammar is this?

    asked by Mai
  59. Physics

    Heat energy is the energy associated with changes in internal energy. If no phase changes occur, the transfer of heat energy is accompanied by a change in?

    asked by Billy
  60. english

    Write a journal entry from the perspective of a lusty pirate. What say you to these stuffy Puritans? How is their Puritan lifestyle different from your pirate lifestyle? No pirate journal would be complete without some proper "pirate talk." Visit the

    asked by Devante
  61. ANT 101

    How does the identification of cultural universals impact our understanding of what it means to be human?

    asked by Cindy
  62. relativity

    A particle called neutral pi meson (or pion) decays into two photons and nothing else. If the pion is initially at rest (rest mass 135Mev). (a) what are the energies of the photons ? (b) What are the magnitudes of the momenta of the photons (c) How are

    asked by wally
  63. Economics

    Risk rate is 2%, expected inflation rate is 3%, what is the nominal interest rate?

    asked by Susan
  64. Barkerville

    Would you have preferred to mine or to operate a business that supported the miners, if you had been an inhabitant of Barkerville during its gold rush? I would have chosen to operate my own business to support the miners. By choosing to run my own

    asked by Emma
  65. socials--Barkerville the Evolution of a town

    Would you have preferred to mine or to operate a business that supported the miners, if you had been an inhabitant of Barkerville during its gold rush? I would have chosen to operate my own business to support the miners. By choosing to run my own

    asked by Emma
  66. maths (trigonometry)

    if cosx-sinx=root 2 sinx, then what is the value of cosx+sinx. How

    asked by marley
  67. physics (special relativity)

    A single photon in empty space is transformed into an electron and a positron, each with rest mass m(e). (a) show that the folowing process is dynamically impossible. (b) Explain in detail how this process can be made possible (c) for part b what would be

    asked by will
  68. OChem

    For Extraction using a separatory funnel, what is poured into the funnel first the solution that is to be extracted or the solvent?

    asked by Jasmin
  69. geometry

    A right circular cone is made from of a radius of 5 cm, a central angle of 216 degrees, what is the volume of the cone in cubic cm?

    asked by simar
  70. college

    Explan a credible and a non cedible websites.

    asked by Rebecca
  71. 6th grade decimal order

    I am going to list some decimals. Then I need to know if the order is correct from least to greatest. .55 , .678 , .434 and .8 Is the correct order: .434 , .550 , .678 , .8

    asked by Anonymous
  72. Math

    the question i need help with is: Classify the random variable as finite discrete, infinite discrete or continuous. The random variable given is the number of hours a child watches television on a given day.

    asked by Winnie
  73. science

    a suitcase as sides of 75cm long by 25cm wide and 50cm high what will its weight be in newtons?

    asked by Anonymous
  74. Statistics

    The probability of an event can be negative, positive, or zero?

    asked by Tony
  75. HELPPP!! rate of change

    The points (-1,2) & (4,y) have a slope of -4/5. What is the y coordinate for (4,y).?

    asked by Chelsea
  76. writing

    In your post, summarize the major similarities and differences between the forms of drama, poetry, and the short story. Demonstrate your ideas with textual examples from the course readings. In your response, include at least one example of each literary

    asked by sjrock
  77. Social Studies

    What does "Maya" mean? Is "Maya" a country? Are the Mayans still alive or aare they extinct? Where did they live?

    asked by rfvv
  78. calculus

    find dy/dx implicit differentiation x^2y+y^2x=0 at x=-2, x=2

    asked by renee
  79. Geometry

    Find The coordinates of G'reflected in the x-axis if the coordinates of G are (4,-3)

    asked by Aisha
  80. Geometry

    A floor measures 19' by 16'. There is a rug centered on the floor with a 2'border all the way around the rug. If the carpet cost 415.00 per square yard, find the cost of the rug. Remember: convert yards to feet.

    asked by jean
  81. geometry

    A box is filled with 6 cans of tennis balls. If the empty space was filled with sand, how much sand will be needed to fill the box? Each can of tennis balls has a radius of 2 in. Height of box is 12in.

    asked by jean
  82. calc

    Find a normal vector for a line which is parallel to 5x-6y-15=0 plz explain in steps

    asked by shark
  83. Math

    Solve the logarithmic equation. Please show all of your work. Loga(x+4) + loga(x-4) = 4

    asked by Bethany
  84. Math

    Log base 10 of 9 = 0.95. Log base 10 of 2 = 0.30. Find log base 10 of (20/9)

    asked by Denny
  85. Random question

    Just doing a statistic here...can you name some of your favorite singers? Can be old or new.. Thanks!

    asked by Jess
  86. english

    Can you start a sentence with As?

    asked by annie
  87. chemistry

    The formula of benzine and organic solvent is C6 H6. what is the empirical formula express the mass of a mole of materials in gram

    asked by shanna
  88. Algebra please help

    f(x)=1/3(x+7)^2+4 find the vertex,the line of symmetry, and the max or min. value of the f(x) graph the function. thank you in advance :)

    asked by Julie
  89. Chemistry

    Any object, be it a space satellite or a molecule, must attain an initial upward velocity of at least 11.2 km/s in order to escape the gravitational attraction of the earth. What would be the kinetic energy in joules of a satellite weighing 2337 lb that

    asked by Lance
  90. math

    I just don't understand the geometry behind this! How is theta 1 in red equal to theta 1 in black? And same with theta 2? I need to figure out the angles to solve the rest of my problem, but I am already stuck in figuring out how these angles are the same.

    asked by Kim
  91. socials Canadian history

    During the early 1860s, what economic and social problems might have existed in Barkerville? People who had money could go off and afford more, and those that didn't get anything. have i got it right?

    asked by Emma
  92. statistics

    Suppose that a random sample of 350 current customers results in 195 customers with a response of 9 or 10 representing customer delight

    asked by Anonymous
  93. maths (trigonometry)

    if sec x +tan x=p, then tan xeuqalto what. How?

    asked by marley
  94. Algebra

    Find the indicated term of each expression: seventh term of (x+y)^12 I just have no idea how to go about this, please help.

    asked by Sarah
  95. us history

    why did the Vietnam war last so long?

    asked by kathy
  96. Elementary Statistics

    A manager needs to fill three positions, computer softer engineer, team-leader, and test engineer. The manager finds 5 applicants that qualify for all three jobs. How many different ways can the manager place those 5 people into the three possible

    asked by Jonathan
  97. Math-Calc

    The lim as x goes to 0- for cos(x)/sin(x). I know the answer is negative infinity but I don't really understand why.

    asked by Marissa
  98. history

    How did European explorations and commercial activities in the early modern period affect regions of the Middle East and Asia?

    asked by ivan
  99. Chemistry

    How do you balance the equation when citric acid is added to NaOH?

    asked by peter
  100. Math

    Larry has 36 sections of wooden fencing. Each section is 6 feet long. He plans on using all the sections to surround a rectangular pasture. What is the area of the largest pasture he could create. How many different size rectangular pastures could he make?

    asked by Jared Neistein
  101. chemistry

    Eva has two containers labeled A and B. The diameter of container A is 8 inches and the diameter of container B is 12 inches. If Eva pours the water from container A into container B, which will occur?

    asked by Anonymous
  102. GEOMETRY

    If a building casts a 20 ft shadow and a flagpole casts a 7 ft shadow and the flagpole is 12 ft tall, how high is the building?

    asked by HONEY
  103. Humanities Core/History

    Why are people including scholars, artists, political activist interested in interpreting the rock art of the western cape?

    asked by HumCore
  104. geology

    I need help finding historical disasters associated with past earthquakes

    asked by nikki
  105. maths (trigonometry)

    what is the identity of A raise to 4+b raise to 4

    asked by marley
  106. medical information management

    According to a December 4 hospital census of 100,what are the total inpatient services days for December 5? Admissions 10 Discharges 2 A&D 1 A.90 B.109 C.100 D.110

    asked by cher
  107. english II

    How does prewriting affect the success of an essay?

    asked by Anonymous
  108. Math

    The points (0, -5) and (x, y) have a slope of 0. What could be the coordinates of the point (x, y)?

    asked by Chelsea
  109. math rate of change

    The points (-1,2) and (4,y) have a slope of -4/5. What is the y- coordinate of the point (4,y)?

    asked by chelsea
  110. Advanced Calculus 2

    Construct an example of two Riemann integrable functions whose composition is not Riemann integrable.

    asked by Ashley
  111. Statistics

    If one of the 467 men is randomly selected, what is the probability of getting either an occasional smoker or a regular smoker?

    asked by Tony
  112. Math

    Find the slope of the line passing through the points (10, 0) and (0, 3). -10/3 10/3 3/10 -3/10

    asked by CC
  113. Algebra

    The function g is defined below. g(x)=((x)^(2)-9x+14)/((x)^2-11x+24) Find all values of x that are NOT in the domain of g. If there is more than one value, separate them with commas.

    asked by Rachal
  114. English

    In the sentence,"She sat down and watched."is down an adverb?

    asked by Blake
  115. English

    Could you please check these sentences? Thank you very much. 1) Finally, an albatross came through the fog and was greeted as if it had been a Christian soul. 2)The albatross ate food it had never eaten before and flew round the ship . The ice split as the

    asked by Henry
  116. physics

    Find the thickness of a aluminum matal in between glass. if a light of 550nm is shined onto glass which makes 31 black lines . with black lines on the edges.

    asked by steve
  117. College Algebra

    Write the following as an radical expression. v^(4/5)

    asked by Jessica
  118. Math

    Larry has 36 sections of wooden fencing. Each section is 6 feet long. He plans on using all the sections to surround a rectangular pasture. What is the area of the largest pasture he could create

    asked by Jared Neistein
  119. physics

    if an object has a mass of 17 kg what is approximate weight on earth

    asked by chelle
  120. child care

    A strategy for health promotion among infants, toddlers, and young children focuses on educational programs, physical, fitness, activities and.. A. family panning B Tabacco, alcohol,anddrug use. c. Nutrition D mental health and mental disorders. Im not

    asked by Alex
  121. algebra

    write slope intercept equation for the line containing the given pairs of points (-3.4) and (3,1)

    asked by lori
  122. math

    Canada, venezuela, kenya, france and new zealand, are qualified to compete in a final event of the olympics games. suppose that new zealand withdrawn from the event and canada has two athletes entered in the event. 1. what is the probability that canada

    asked by jewels
  123. calculus

    Largest 5 dizit number exactly divisible by 32 ?

    asked by Sumit
  124. science

    a 3.250 g sample of petroleum fraction was ignites in a Parr bomb under a 20 atm pressure of O2. all the sulfur was converted into SO3 and upon addition of water H2SO4 was formed. The SO4 was completely precipitated by addition of BaCl2, abnd precipitate

    asked by RRG
  125. Algebra

    Simplify 1x2−4+25x−10.

    asked by Anonymous
  126. English

    Can you start a sentence with from? Also, is this sentence grammatically correct: Going to the park involved walking the dog, meeting people, and exercising, all of which I loved.

    asked by Annie
  127. Algebra

    Find the equation of the line given pair of points. (2,5) and (6,6) Y=?

    asked by Chris
  128. English

    I need to use to suggest me a site with information on the German concentation camps and the holocaust (vey easily explained). It is designed for English learners at an intermediate level.

    asked by Henry
  129. medical coding

    according to a December 4 hospital census of 100,what are the total inpatient service days for december 5? admissions 10 discharges 2 A&D 1 A.90 B.109 C.100 D.110

    asked by cher
  130. us history

    did antiwar protests help or hurt the united states during the Vietnam War? i have no idea!!

    asked by Kathy
  131. Algebra

    I need helop!A lawn a company charges an initial fee of $200.00 plus $50 per hour for labor costs. If h represents labor hours and c represents the cost what is the total cost equation and how do I work this out step by step, I need to understnad this!

    asked by Carla
  132. Trigonometry

    Find cos⁡(76n). Find sec⁡(23n)

    asked by Anonymous
  133. calculus2

    Find two non-Riemann integrable functions whose sum is not Riemann integrable.

    asked by David
  134. Math

    Find the slope of the line passing through the points (10, 0) and (0, 3). -10/3 10/3 3/10 -3/10

    asked by CC
  135. HELPPP!! math

    HELLP!! Can someone help me solve for y in this equation.? -4/5 = (y-2) / (4- (-1))

    asked by Chelsea
  136. math

    i have a HUGE math test tomorrow, And I need some help on Factoring. Any websites that will give me good tutorials? I've found some but its total bs.

    asked by caleb
  137. Music

    How to play the pipe organ

    asked by Pipe organ
  138. math

    my msth finals are tomorrow! please help ASAP. it is applying properties of rational expontents by multipyling. Here goes: (16x^2y)^1/3 times (4x^5y^2z)^1/3 PLEASE HELP! ITS DUE TOMORROW! THANK YOU!

    asked by Hailey
  139. hawthrone

    if an object has a mass of 17 kg what is approximate weight on earth

    asked by chelle
  140. science

    when any spot on the surface of the earth faces the sun that spot is dark and it is night

    asked by stephani
  141. Com

    Does anyone on here use Writepoint to check your work??

    asked by Nick
  142. Business & Technology

    What is motivating theory

    asked by Bree-Bree
  143. algebra 1

    Simplify the expression: 14/(3x) + (x+5)/(3x)

    asked by peaches williams
  144. algebra

    3a to the 4th power minus 243

    asked by Anonymous
  145. algebra/trig

    1.Find the domain f(x)=ã(x^(2)-9) 2. Find all six trig functions for (-3,4)

    asked by Mike
  146. maths (trigonometry)

    1+sin a- cos a/1+sin a +cos a eual to ?. How?

    asked by marley
  147. Math

    In triangle ABC, angle C is a right angle. Find the measure of angle B if side b = 105 m and side c = 139 m. 49° 59° 53° 47°

    asked by CC
  148. integrated science

    explain pressure relations for air

    asked by brit
  149. science

    what have you learned in elementary science with meaning?

    asked by kenji
  150. algebra

    Solve 2(x-8) ^ 52

    asked by Baileey
  151. Math

    If the Risk Free Rate is 2% and the expected inflation rate is 3%, what is the nominal interest rate? Please show formula.

    asked by Susan
  152. math

    i need to find a multiplication sentence with a 3 digit number that does not require regrouping....

    asked by shy
  153. Math

    x + y = 26000 .06x * .03y = 1080 x =

    asked by CC
  154. URGENT math rate of change

    The points (-1,2) & (4,y) have a slope of -4/5. What is the y coordinate for (4,y).?

    asked by Chelsea
  155. Applied Physics

    The weight density of a quart of oil is 56.9 lb/cubic foot. The weight of the oil is 1.90lb.

    asked by Jonathan
  156. world history

    what were the people living in mesopotamias land known as?

    asked by brendaaskiessss(;
  157. math

    a number story for grade 4?

    asked by tanvi verma