Questions Asked on
August 22, 2011

  1. math

    use the formula nPr to solve how many arrangements can be made using four of the letters of the word COMBINE if no letter is to be used more than once?

    asked by marie
  2. MATHS

    draw a line segment AB=6cm take a point C on AB such that AC= 2.5 cm draw CD perpendicular to AB ?

    asked by VAISHNAVI
  3. math

    using the fundamental counting principle with three or more groups of items A pizza can be ordered with three choices of size (small, medium, or large), four choices of crust (thin,thick,crispy, or regular, and six choices of toppings (ground beef,

    asked by marie
  4. Math

    Angle 3 and angle 4 form a linear pair. The measure of angle 3 is four more than three times the measure of angle 4. Find the measure of each angle.

    asked by Melea
  5. chemistry

    why is 1mol of so3 gas higher in entropy than so2 gas

    asked by cynthia
  6. Arkansas History

    What are some interesting facts about Crowley's Ridge?

    asked by Karailey
  7. Math/Chemistry

    the atomic mass of an element is the mass, in grams, of one mole (mol), or 6.02 * 10^23. A.) How many atoms are there in 3.5 mol od carbon? B.) If you know that 3.5 mol of carbon weighs 42 grams, what is the atomic mass? C.)Using you answer from (B), find

    asked by Chaney
  8. physics

    a fish vertically up towards the surface of water with speed 3m/s observes a bird diving vertically down towards it with speed 9m/s.what is the actual velocity of bird?

    asked by sameeksha
  9. Calculus :)

    Find the volume of the solid formed by rotating the region enclosed by y=e^(3x)+2, y=0, x=0, x=0.4 about the x-axis.

    asked by Brit
  10. algebra

    i was wondering if i did this right A cannon ball is shot from a cannon on top of a hill that is 73.5 meters above sea level. The cannon ball leaves the cannon with a velocity of 9.8 m/s. Write and solve a quadratic equation to determine when the cannon

    asked by sarah
  11. applied physics

    A cyclist and her bicycle have a combined mass75.okg. If the frictional force acting against the of the bicycle is -23.5, what force must the cyclist apply to maintain a constant velocity?

    asked by solomon
  12. math

    Evaluate each factorial expression. 106! 104!

    asked by marie
  13. Geometry

    The measure of an angle's supplement is 76 less than the measure of the angle. Find the measure of the angle and its supplement.

    asked by Michaela
  14. geometry

    if lines m and n are parallel and the measure of angle 3 is 45 what is the measure of 8

    asked by leticia
  15. chemistry

    What mass of MgSO4 · 7 H2O is required to prepare 300 mL of a 0.511 M MgSO4 solution?

    asked by Anonymous
  16. Chemistry

    What mass of MgSO4 · 7 H2O is required to prepare 300 mL of a 0.511 M MgSO4 solution?

    asked by Bob Miller
  17. Math

    The House of Representatives has 435 members. If a committee has a prime number of members, and that number is a factor of 435, then how many members can be on the committee?

    asked by hanna
  18. math

    I'm not sure how to work this problem out. Find it very confusing and my answer keeps changing. Please help. From an observation tower that overlooks a runway, the angles of depression of point A, on one side of the runway, and point B, on the opposite

    asked by Denisha
  19. English

    In the song: How Come, How Long By: Stevie Wonder... 1) What are the two types of abuse evident in the song? 2) Discuss the meaning of the line "she had a college degree, smart as anyone could be; there was not enough education in her world that could save

    asked by Sarah
  20. Calculus :)

    If 8000 dollars is invested in a bank account at an interest rate of 10 per cent per year, find the amount in the bank after 11 years if interest is compounded annually ____ Find the amount in the bank after 11 years if interest is compounded quaterly ____

    asked by Brit
  21. math

    change 2.5% to a ratio expression

    asked by troy
  22. science

    The brightest galaxy in the Bootes cluster of galaxies is found to have a redshift of 0.13. (Assume the speed of light, c, is 3.0 × 10 8 m s−1.) (i) Assuming the Hubble constant, H0, is 70 km s−1 Mpc−1 to two significant figures, calculate the

    asked by mj
  23. Speech

    I have to give a speech soon about my different " sides" of my life. Like my school life and what I do at school compared to how I act as a sibling etc. But I'm stumped on what my visual should be. My teacher wants originality no power point or posters

    asked by Hannah
  24. Math

    Can you help me write these out in an algebraic expression? 1. Seven less than twice a number equals 19. 2.Eight decreased by 3 times a number equals 2. 3. The sum of two times a number and 5 is 11. Is this right? x/8 + -1/2 = 6 My answer: x=44

    asked by Bryce
  25. Math

    The least integer of a set of consecutive integers is -48. if the sum of these integers is 49, how many integers are in the set?

    asked by Amy
  26. chemistry

    Find the theoretical yield when 100 mL of 0.1 M NaI is reacted with 0.50 mL of Br2 (density: 3.10 g/mL) to produce NaBr and I2. What is the actual yield if the percent yield is 81%? (Atomic masses (g/mol): Na, 22.99; I, 126.9; Br, 79.90)

    asked by lili
  27. math

    a jar has 5 black, 8 blue, and 7 yellow marbles. a marble is chosen at random.P(yellow or blue).

    asked by math7001
  28. social studies

    what are some interesting facts about crowley's rige?

    asked by b!otc8
  29. math

    using the fundamental counting principle with three or more groups of items A pizza can be ordered with three choices of size (small, medium, or large), four choices of crust (thin,thick,crispy, or regular, and six choices of toppings (ground beef,

    asked by marie
  30. Approximation

    Find The Value Of (Sin 31) Using Approximation ?

    asked by jack
  31. Math

    p - | 1 | 2 | 3 | 4 | q - | 5 | 9 | 13| 17| The table above represents a relationship between p and q. which of the following equations could be used to describe the relationship? a. q = p+4 b. q = p+7 c. q = 4p+1 d. q = 5p e. q = 6p-1

    asked by Amy
  32. Maths

    I am just starting to learn algebra. My question is -2n-(9-10n)=? I have to simplify this. I think it is 8n-9 Can you please tell me if this is correct or how to do it? Thanks a lot

    asked by Joshua
  33. chemistry

    How long will it take for the 100mg of cesium-137 to decay to 6.25mg(1/16 the original amount)?

    asked by lolo
  34. Math

    What is this REAOPRDDRIE unscrambled ?

    asked by Cherelle Taylor
  35. social studies

    how to find the area of pyramid?how egyptians constructed pyramids?

    asked by jagadheeswar
  36. English

    Hello, everybody! I'm back from my holiday and I need you to check a few sentences I have to include in a test. Thank you very much for your invalubale help. 1)He paid £200 for that shirt. It was a real rip-off. 2) How much money did he pay for that

    asked by Henry
  37. Algebra

    Express as a single Logarithm and Simplify: 2/3ln(x^2+1)+1/2ln(x^2-1)-1/2ln(x+1)

    asked by Lisa
  38. teachers aide

    a province that supports a denominational school system is? New Brunswick ontario Nova Scotia Quebec

    asked by susue
  39. business

    i have a problem with this question my teacher gave me. i don't know what to write for the answer. the problem: there is a girl named Jane who is hired as the head of the payroll department at R& S Electronic company, firm of 75 employees. she is hired by

    asked by jack smith
  40. 6th grade math

    Estamate each sum or diffrence by rounding to the greatest place value. 998,927-100,724 would the answer be 1,000,000-200,000=800,000 :)

    asked by Claire
  41. english

    I need help with the different part of this sentence. "I have been a fan of mystery stories since I was quite young." I is a pronoun, fan is a noun, mystery is an adjective, stories is the subject..Am I missing anything else?

    asked by Chasidy
  42. Math

    If x^2 + y^2 = 40 and xy = 12, what is the value of (x + y)^2?

    asked by Amy
  43. Math

    If a dart is thrown at a square target with a circle inscribed in it such that each side of the square is tangent to the circle, what is the approximate probability that the ball will hit inside the circle?

    asked by Amy
  44. social studies

    how many temperature or heat zones the earth has been divided?

    asked by prasanth sai
  45. chemistry

    explain fisrt ionization energy across period three

    asked by wane
  46. english

    Fill in the blank with correct option 1.Watch-----the milk;don't let it boil ---. a.No preposition required,down b.No preposition require,over c.over,up d.over,over

    asked by swarna
  47. chemistry

    1) to the nearest gram, what is the molar mass of Al2O3? 2)Br+H3O->HBr+H2O when this reaction is reversed what substance acts as an acid? what substance acts as a base ?

    asked by lolo
  48. chemistry

    use dimensional analysis to find how many moles of nitrate ions are in 40.0 mL of a 0.75 M aqueous solution of aluminum nitrate

    asked by M
  49. Physics 1

    Chap. 11, #16. (II) A 0.60-kg mass vibrates according to the equation where x is in meters and t is in seconds. Determine (a) the amplitude, (b) the frequency, (c) the total energy, and (d) the kinetic energy and potential energies when x = 0.30 m.

    asked by jerome
  50. math

    using the fundamental counting principle with three or more groups of items There are three highways from city A to city B, two highways from city B to city C,and four highways from city c to city D. How many different highway routes are there from city A

    asked by marie
  51. physics

    If a charge of 25 coulombs passes a given point in circuit in a time of 125 minutes determine the current in the circuit

    asked by vikram
  52. Maths

    Stuck! Help! 2.5 cubed? Xxxxx

    asked by Ellen
  53. Algebra

    Given that logb(5)=1.32 find the value of logb(1/sqrt(5))

    asked by Lisa
  54. 6th grade math

    Estamate the sum or diffrence by rounding to the greatest place value. 639,069+283,136 Would it be 600,000+300,000=900,000

    asked by Claire
  55. geometry

    Let p represent a true statement, while q and r represent false statements. Find the truth value of the compound statement. ~[(~q V p)^ ~r]

    asked by yolanda
  56. Math

    If 2m - n = 3p and 2m - 5p - n = 14, what is the value of p?

    asked by Amy
  57. math

    Consider the following list of premises: a ^ :b ! c; :a ! :d; Show that g is a valid conclusion by constructing a step-by-step argument

    asked by HELP
  58. Personal Finance

    What is taxable owed?

    asked by Me
  59. Geometry

    Find the distance between points (-2,1) and (1,5) When finding the distance between these 2 points would you subtract 1-(-2) or -2-1? The same question with the other one as well.

    asked by Claire
  60. Geometry

    Find the distance between points (-2,1) and (1,5) When finding the distance between these 2 points would you subtract 1-(-2) or -2-1? The same question with the other one as well.

    asked by CP
  61. math

    who are the fathers of following subjects a)maths b)physics c)chemistry d)biology e)social

    asked by jagadheeswar
  62. Personal Finance

    What are some ways to save money on your federal income tax?

    asked by Me
  63. algebra

    the width of a rectangle is fixed at 12 cm. What lengths will make the perimeter greater than 98 cm.

    asked by Anonymous
  64. math

    given the linear equation y=-4/3x+1, find the y-coordinates of the point(-6

    asked by lori
  65. Legal Studies

    Hi beautiful people! I'm trying to find good articles on the ethics of victimless crime in law. I'm struggling a bit and I was wondering if any of you knew of some good ones? I went to my state library and found some books and the journals I access don't

    asked by Em
  66. algebra

    Jim was driving to an interview 72 mi away. On the first leg of the trop he drove an average of 30 mph through a long construction zone, but was able to drive 60 mph after passing through this area. If driving time for the trip was 1 1/2 hr, how long was

    asked by susie
  67. Math

    Sue's friens Kat has these numbers 89378, 42327,49734 and teacher has shown a 3, how many points will Kat have? What digit does she hope teacher will pull next week so she has the highest score?

    asked by Mike
  68. algebra

    a square photograph measuring 8 inches by 8 inches is positioned within a 1 inch wide picture frame as best shown. select the best answer. what is the combined area of the photograph and frame?

    asked by jakari
  69. Science

    1.How can a model be used to determine possible sources of error in an experiment and to identify questions for further investigation?

    asked by Hayley
  70. Calculus

    Find the points of intersection for y=e^x and y=sin(2x). are there an infamous (sp?) number of points of intersection for these equations?

    asked by katie
  71. geometry

    simplify expression: -4 (-a + 3b) - 3 (a - 5b)

    asked by adriano gonzalez
  72. geometry

    simplify completely: -2 (2x + y) - 7x + 2y

    asked by adriano gonzalez
  73. English-help needed

    1) The expiry date of the product will be 1 year from the date stated on the label, unless otherwise advised by the supplier. OR 2) The expiry date of the product will be 1 year from the date stated on the label, unless advised otherwise by the supplier.

    asked by annie
  74. math

    using the fundamental counting principle with three or more groups of items There are three highways from city A to city B, two highways from city B to city C,and four highways from city c to city D. How many different highway routes are there from city A

    asked by marie
  75. 6th Grade Math

    Estimate each sum or difference by rounding to the greatest place value. 10,982+4,821= should the answer be... 11,000+5,000=16,000 or 10,000+5,000=15,000

    asked by Claire
  76. math

    how do you find the slope and the y-intercept of the line 9y+3x+6=16+3x

    asked by shy
  77. Mth95

    A canon placed at the top of a 15-foot rise fires a 16 pound ball with a vertical velocity of 172 feet per second. How far from the canon will the ball land? What is the max height of its trajectory?

    asked by Sue
  78. Personal Finance

    What is taxable income and how do you know how much taxes are owed?

    asked by Me
  79. business

    clarify the role of capital in selecting a form of of business organisation

    asked by Anonymous
  80. math

    insert a pair of parentheses in equation to show the associative property.

    asked by lucas
  81. Math

    What is the solution to the problem: 2^103+ 2^103 +2^103 +2^103?

    asked by Jay
  82. algebra

    (4x)(3x)

    asked by Akil
  83. Personal Finance

    What is the meaning of taxable amount owed?

    asked by Me
  84. environmental science

    what are the environmental parameters of intertidal zone?

    asked by anne
  85. Precalculus

    2=-4+4 square root x^3 I added the four to both sides divided four squared then divided that my cube root my answer:1.31

    asked by denise R.
  86. computer

    how do computer viruses work?

    asked by ruth
  87. English

    In the song: How Come, How Long By: Stevie Wonder... 1) What are the two types of abuse evident in the song? 2) Discuss the meaning of the line "she had a college degree, smart as anyone could be; there was not enough education in her world that could save

    asked by Sarah
  88. Economics

    Hi beautiful people! I'd like to know a good website where I can get practise essay topics for economics. I have to write a extended written response to stimulas exam soon and as this is a weakness I'd like to find some practise topics. Its on the aging

    asked by Em
  89. Leadership and ethical decision making

    I need to review normative ethical theory and another theory and get an understanding of the relevance of ethical theories to current organizational situations

    asked by Gary
  90. Math

    I don't understand how to solve this problem: In solving the equation (x + 3)(x + 1) = 48, Eric stated that the solution would be x + 3 = 48 => x = 45or (x + 1) = 48 => x = 47 However, at least one of these solutions fails to work when substituted back

    asked by Angelina
  91. physics

    I place a single negative charge in a region where there is a constant electric field pointed toward the floor. The charge feels a force where?

    asked by Brooke
  92. Math

    How do you write the expression for...the sum of the quotient of p and 14, and the quotient of a q and 3

    asked by Andrew
  93. algebra

    27a squared b cube - 36a cube b squared + 18 a squared b squared + 9 a to the 4th b cube

    asked by Anonymous
  94. Life orientation

    Two institutions/community organization that are involved in supporting or reddress to poverty

    asked by Lopsa
  95. math

    place decimal points in these numbers so that their sum is 519.654. 477,329,624,913

    asked by bryce
  96. algebra

    how would I simplify 1089b^7t^5/891t^2b?

    asked by jt
  97. Business

    Name a business that has demonstrated accountability to people, to its community, and to its environment

    asked by Thomas
  98. math

    hcf of 825

    asked by madhu
  99. algebra

    identify the property: (x+3) - 2= (3 + x)-2 (commutative, associative, distributive)?

    asked by raul lara
  100. PHI/105

    In comparing the views of David Hume, Immanuel Kant, Georg Hegel, and Arthur Schopenhauer, which view of experience seems closest to how you view the world? Briefly explain this philosopher's view as it compares to your view.

    asked by Gayle
  101. Arkansas History

    What rivers flow through the Crowley's Ridge area in Arkansas?

    asked by Tiësto
  102. Calculus :)

    The number of bacteria in a culture is modeled by n(t)=1550e^(0.24t) (a) The initial number of bacteria is _____ (b) The relative rate of growth of this bacterium population is _____ (c) The number of bacteria after 3 hours is _____ (d) After how many

    asked by Brit
  103. math

    what is the algebraic expression for the product of 2 times a and 5 times b?

    asked by leslie
  104. math

    Evaluate each factorial expression. 106! 104!

    asked by marie
  105. math

    Suppose you wanted to place 1,000,000 pennies in large coin banks. If you put 50,000 pennies in each bank, in which bank would you find the 678,230th penny?

    asked by Anonymous
  106. 6th gr,ade math

    Estimate each sum or difference by rounding to the greatst place value. 38,347+17,039 would it be 40,000+20,000=60,000

    asked by Claire
  107. geometry

    |`````42````````

    asked by max
  108. teachers aide

    who administers the roman catholis schools in a diocese? the religious community director of education parents board of education elected by church members

    asked by susue
  109. Math

    If q is 20 percent greater than p, and p is 35 percent greater than 2,000, what is the value of q - p?

    asked by Amy
  110. Math

    If m is a postive even integer, which of the following must represent an integer that is evenly divisible by 4?

    asked by Amy
  111. Math

    Let [a b c] be defined by [a b c]= 2ab +3c for all integers a,b, and c. If [x 3 3] = 3, what is the value of x?

    asked by Amy
  112. social psychology

    Is this one the few ways to obtain self-efficacy? I also feel that self efficacy can occur in oneself as well as others from charity or volunteer work and spiritual activities such as attending temple or church and reading religious texts. Yoga,

    asked by Sharon
  113. Math

    A car engine burns gasoline at the rate of two gallons per hour. If it does this for 8 hours each day, approximately how many weeks will it take for the car to burn 11,200 gallons of gasoline?

    asked by Amy
  114. Math

    If 4^4y = 16^3y-2, what is the value of y?

    asked by Amy
  115. HEALTH

    Identify a contemporay health care issue, and give the different between how for- profit organization (versus not-for-profit organizations)are impacted. what are the perspective and responsibilities of the financial management staff and what are the basis

    asked by james jones IV
  116. algebra

    subtract:7x^3-56x^2+105x

    asked by disha
  117. algebra 1

    What is the "quotient" of 19 and m?

    asked by anna
  118. math

    Can anyone please help me with the following question: Prove by mathematical induction that 6^n + 4 is a multiple of 5, for nEN.

    asked by Tania
  119. chemistry

    fisrt ionization energy across period three

    asked by wane
  120. math

    A 13-foot ladder is placed against a wall. If the ladder cannot be placed at a slope less than 2.4, what is the minimum height of the wall? A.5 feet B.12 feet C.20 feet D.13 feet E.8 feet

    asked by Anonymous
  121. English

    Can Passive voice be used with all Conditional sentences? or are there some specific conditionals (.e.g first, zero etc) where passive voice can be used?

    asked by Fernando
  122. chemistry

    give a balanced equation between phosperuos and sodium hydroxide

    asked by wane
  123. math

    where the arithmatic mean and geometric mean used in real life?

    asked by sandhu
  124. algebra

    whats the model of 2x + 3 = 3x -1 and whats the value of x?

    asked by shania
  125. geometry

    focus of y-5=[x-6]

    asked by sarita
  126. Math

    Please help me with the two given questions. 1] find lim 3x^2-4x/7 x-->0 2] lim sinx/2x x-->0

    asked by Tania
  127. Social Psychology

    Throughout our lives, we are measured by the people and circumstances around us. However, the most important measurement is our own. How we view and feel about ourselves impacts our level of life satisfaction. Much of our world is measured, intrinsically,

    asked by Sharon
  128. MATHS

    A PERSON HAS 1&2 RUPEE COINS WITH HIM.TOTAL NUMBER OF COINS WITH HIM IS 50.TOTAL AMOUNT WITH HIM IS 75.FIND HOW MANY 1&2 RUPEE COINS ARE THERE WITH HIM

    asked by monica
  129. MATHS

    A PERSON HAS 1&2 RUPEE COINS WITH HIM.TOTAL NUMBER OF COINS WITH HIM IS 50.TOTAL AMOUNT WITH HIM IS 75.FIND HOW MANY 1&2 RUPEE COINS ARE THERE WITH HIM

    asked by monica
  130. Random Question

    Explain some consequences of falling 'in love' with someone who acts in an improper manner.

    asked by Jason
  131. social psychology

    Throughout our lives, we are measured by the people and circumstances around us. However, the most important measurement is our own. How we view and feel about ourselves impacts our level of life satisfaction. Much of our world is measured, intrinsically,

    asked by Sharon
  132. physics

    how long does it take an automobile traveling at 76.9 km/h to become even with a car that is traveling in another lane at 57.9 km/h if the cars' front bumpers are initially 145 m apart?

    asked by Hayley
  133. maths

    integral of square root of (9u^4+4u^2+1)

    asked by balu
  134. Math

    Iam re-posting the following questions and would appreciate if anyone could show the working. 1]Find lim sinx/2x x-->0 2]lim 3x^2-4x/7 x-->0

    asked by Tania
  135. lincon

    what is this 6C+H2+CO2-->+H20

    asked by WENDY
  136. eng 122

    The types of information that does not require source citation

    asked by Bernice Smith
  137. physics

    Explain how the motion of the particles in the rope producing transverse wave refers from the motion of the pulse itself

    asked by Keamogetswe
  138. kakatiya public school

    square root of 25

    asked by varsha
  139. Health

    How are staffing mix and levels determined in nursing homes? Staffing mix is the number of nurses, cnas, and staffing levels is the number of RN's Lpns, Cnas. Am I right?

    asked by Mercy
  140. Maths

    if a toy costs 1/4 of its price and 48rs more, then coast of the toy is?

    asked by brijesh
  141. algebra

    5 7/10+6 7/8=

    asked by karlie
  142. statistics

    The mean hours of internet usage in the US is 25 hours per week. A hypothesis test is performed at a lefel of significance of .05 with a P-Value of .05 with a P-value of 0.08

    asked by Anonymous
  143. algebra

    simplify expression: x (4+y) -2x (y+7)

    asked by raul lara
  144. grammar

    Broken beyond compare is a/an?

    asked by jon
  145. Chemistry

    A 55 year old woman visits a popular eatery for lunch. She orders a cheese pizza and bacon pizza with extra cheese and has about 3 large glasses of cola (ph value 3). On the way back home she experiences heartburn and abdominal pain, and has diffigulty

    asked by ROCKY
  146. biology

    The height of a man grows on cell division.During cancer there will be uncontrolled mitotic division.That is cell divides continuosly.Does the height of the person increase when he get cancer.

    asked by abhinav
  147. physics

    how do you find a becquerel in a radioactive element without a radiation meter?

    asked by jayson
  148. math

    5/x=10/3x+4

    asked by jade
  149. French

    How do you count 1-20 in the French Language?

    asked by Bryce
  150. 6th grade math

    Estamate each sum or diffrence by rounding to the greatest place value. 998,927-100,724 would the answer be 1,000,000-100,000=900,000 Thank you for helping me on my homework!

    asked by Claire
  151. Understandeing Business

    What is PacSun's corporate strategy:?

    asked by Rhondqa
  152. math

    solve Y=(x+2)2-3

    asked by Elijah
  153. Geometry

    Let p represent a true statement, while q and r represent false statements. Find the truth value of the compound statement. ~[(~q V p)^ ~r] this is the ?

    asked by yolanda
  154. math

    Graph for Y=(x+2)2-3

    asked by Elijah
  155. Math

    If f=x(2+x), what is -3f in terms of x?

    asked by Amy
  156. algebra

    evaluate expression 6x - 3x 2 + y3 for x =5 and y=3

    asked by oscar ponce