Questions Asked on
December 17, 2011

  1. Physics

    The angular speed of a propeller on a boat increases with constant acceleration from 12 rad/s to 26 rad/s in 2.5 revolutions. What is the acceleration of the propeller?

    asked by Hannah
  2. math

    a ball is dropped from a height of 3m and bounces on the ground . At the top of each bounce, the ball eaches 60% of its previous height. Calculate the total distance travelled by the ball when it hits the ground for the fifth time

    asked by Melissa
  3. trig math

    Prove that tan(theta)tan(60+theta)=tan3theta

    asked by Rajesh kumar
  4. dgh

    Two Trees are 150 m apart. From a point halfway between them, the angle of elevation of their tops is 15°and..? 15°, and 20°. a)How much taller is one tree than the other? b) Where would a person have to stand in order to have the angle of elevation to

    asked by pooi
  5. Calculus (Normal Line, please check my work)

    The slope of the line normal to the graph of 4 sin x + 9 cos y = 9 at the point (pi, 0) is: Derivative: 4cosx - 9siny(dy/dx) = 0 (dy/dx) = (-4cosx) / (-9siny) (dy/dx) = (4) / 0 Normal line = -1 / (4/0) Does this mean that the slope of the normal line is

    asked by Mishaka
  6. Economics

    What is the maximum amount it would be worth to shareholders to elicit high CEO effort all the time rather low CEO effort all the time?

    asked by Bertha
  7. Physics

    A basketball player, standing near the basket to grab a rebound, jumps 65.6 cm vertically. How much time does the player spend in the top 10.7 cm of his jump

    asked by Sarah
  8. geometry

    Use the figure below to answer questions 8-10. Point B is the midpoint of Segment A C.. A line segment with three points on it. From left to right, the points are labeled A, B, and C. 8. a. Find x if AB = 4x and BC = 2x + 10. b. Use the answer for x to

    asked by Abbi
  9. Business

    Read the case study below “Hi-Ho Yo-Yo, Inc.”. Write a short summary of each of the four methods for selecting the order in which to release the products to printing. Complete a short analysis for each method which provides the average flow time and

    asked by Kiva
  10. math

    Solve the following equation. 4m^2 = 2 − 7m m = 1 (smaller value) m = 2 (larger value)

    asked by latesha
  11. math

    The length of a rectangle is 8 inches more than three times the width. The perimeter is 88 inches. Find the length and width

    asked by latesha
  12. Calculus

    A cup has a radius of 2" at the bottom and 6" on the top. It is 10" high. 4 Minutes ago, water started pouring at 10 cubic " per minute. How fast was the water level rising 4 minutes ago? How fast is the water level rising now? What will the rate be when

    asked by Tim
  13. math

    The length of a rectangle is 4 inches more than the width. The perimeter is 32 inches. Find the length and width.

    asked by latesha
  14. math

    Use factoring by grouping to solve the following equation. 4x3 + 8x2 − 9x − 18 = 0 x = 1 (smallest value) x = 2 x = 3 (largest value)

    asked by latesha
  15. Social Studies

    Why Do You Think It Was Hard For Spain To Maintain It's Empire ? Explain.

    asked by Amber
  16. algebra

    determine the domain, range and horizontal asymptote Please show all your work f(x) = - (3/4)^x - 1 Help!

    asked by amy
  17. scientist

    Scientists performed an experiment to determine whether there is a connection between learning ability and food. They took two groups of 20 mice each, all from the same purebred strain. The mice were deprived of food for 3 days and then given a standard

    asked by Malacahi
  18. algebra

    The number of tickets sold each day for upcoming perfomance of Handel's Messiah is given by N(x)=-0.6x^2+15.6x+12, where x is the number of days since the concert was first announced. When will daily ticket sales peak and how many tickets will be sold that

    asked by lisa
  19. medicial termalogy

    I need help on writing a fictitious medical report describing a dermatologic condition or disease?

    asked by etta
  20. math

    A catering company has 15 customer orders during its first month, for each month afterward, the comopany has double the number of orders than the previous month. How many orders in total did the company fill at the end of its first year ?

    asked by Melissa
  21. math

    Five times the difference of twice a number and thirteen is negative five. Find the number

    asked by latesha
  22. Math - complex numbers

    These questions are related to de moivre's theorem: z^n + 1/z^n = 2cosntheta z^n - 1/z^n = 2 isin ntheta 1. Express sin^5theta in the form Asintheta + Bsin3theta + Csin5theta and hence find the integral of sin^5theta. 2. Express sin^6theta in multiples of

    asked by Chiquesta
  23. kv khurda

    an artificial satellite is orbiting the earth. A bomb is released from the satellite. The bomb will (a)explode due to the heat generated by the friction of air (b)fall freely on the earth (c)escape into outer space (d)orbit the earth along with the

    asked by suman
  24. physics

    an air puck of mass 0.347 kg is tied to a string and allowed to revolve in a circle of radius 1.09 m on a horizontal, frictionless table. The other end of the string passes through a hole in the center of the table and a mass of 1.48 kg is tied to it. The

    asked by monica
  25. statistics

    suppose a company receives 60% of its order the internet. what is the probability that the fifth order received is the first internet order? what is the probability that the eight order received is the fifth internet order?

    asked by Anonymous
  26. maths

    find area of the triangle with the length of the side 36cm,48cm, and 60cm.

    asked by sunil tadvi
  27. Finance

    You receive $12,000 and looking for a bank to deposit the funds. Bank A offers an account with an annual interest rate of 3% compounded semiannually. Bank B offers an account with 2.75% annual interest rate compounded continuously. Calculate the value of

    asked by Vanessa
  28. math

    Solve the following equation. (Examples 1-6) 15x2 = -17x + 4 x = 1 (smaller value) x = 2 (larger value)

    asked by latesha
  29. math

    Solve the following equation. x^2 + 28x = 0 x = 1 (smaller value) x = 2 (larger value)

    asked by latesha
  30. function ( partial fraction)

    if f(x) ax^2+bx+c , g(x) :1/3x^2+2 and fg(x)= 18x^4+24x^2+11/(3x^2+2)^2. find a ,b and c

    asked by kingwendu
  31. English

    What does it means? "The art of life is to know how to enjoy a little and to endure very much." ~ William Hazlitt

    asked by Pryia
  32. math

    Solve the following equation. 16x^2 − 16x + 4 = 0 x = 1 (smaller value) x = 2 (larger value)

    asked by latesha
  33. Chemistry

    If the specific optical rotation specification for a sample is -48 to -51 deg, which is the Upper Specification Limit? Is it -48 or -51?

    asked by jessie
  34. math

    LCM of (2+9u),(4-81u^2)and (2-9u)

    asked by Ashley A.
  35. Math

    Express sin^6theta in multiples of costheta and hence evaluate the integral of sin^6theta from 0 to pi/2. Thanks in advance! :)

    asked by Chiquesta
  36. math

    Solve the following equation. ( x^2 + 8x + 7 = 0 x = 1 (smaller value) x = 2 (larger value)

    asked by latesha
  37. physics

    two vhiles move in opposite dirctions to each other with constant speeds of 20 m/s and 30 m/s if the initial distance betwen the vehicles is 100 km. how many second later do they meet

    asked by faisal
  38. pre calculus

    graph the function below. Determine the domain, range and horizontal asymptote. f(x) = -(3/4)^x - 1

    asked by anon
  39. polynomial

    given that the expression ax^3-11x^2+bx+2 is exactly divisible by 2x^2-3x-2, find a and b then factorise completly (do not use long division).

    asked by kingwendu
  40. science

    laboratory connects a 16§Ù resistor, 23§Ù resistor, and a 34§Ù resistor in series and then comes the arrangement to a 36V dc source. How much current is in the circuit?

    asked by alex
  41. precalulus

    Change the exponentional expression to an equivalent expression involving a logarithm. 7^c = 0.026

    asked by anon
  42. History

    Do You Think It Was Right Or Wrong For The United States To Declare War On Spain ? Explain.

    asked by Amber
  43. Art

    umsl dean's awards for creative achievement in arts????? Is it possiable to earn that award in you live in ny????

    asked by Lauren
  44. algebra

    Solve the equation below. Please show all of your work log_7(x + 3/7) = -2

    asked by anon
  45. math

    Use factoring by grouping to solve the following equation. 4x^3 + 8x^2 − 9x − 18 = 0 x = 1 (smallest value) x = 2 x = 3 (largest value)

    asked by latesha
  46. physics

    A car travels from city a to city b at a constant speed of 60 km/h.A bus leaves city a 1h after the car and catches it as it enters city b.the distance betwen ehe cities is 240 km.what is the speed of the bus{assumed to be constant] during its journey

    asked by faisal
  47. Fine Art

    what is hilda m. willis arts scholarship??????

    asked by Lauren
  48. physics

    if you exert a force of 500N to walk 4M up a flight of stairs in 4S , how much power do you use?

    asked by ghada
  49. Astronomy

    On the Vernal Equinox, you see the Moon in the Waxing Gibbous Phase at an angle of 45 degrees above the eastern horizon. What is the approximate local time? On the Autumnal Equinox, you see the Moon in the Waning Crescent Phase at an angle of 45 degrees

    asked by Jamie
  50. social studies

    Do You Think It Was Right Or Wrong For The United States To Declare War On Spain?

    asked by Lena Le
  51. chemistry

    How do you properly solve _ Ag + _ Cu(Nu3)2 ---> _ AgNo3 + _ Cu

    asked by grant
  52. physics

    There are many ropes keeping a hot air balloon from floating away before a balloon race. One of these ropes is fixed to the ground at a 45° angle. Another is fixed to the ground at a 30° angle. If the hot air balloon is 18 feet off the ground, what is

    asked by chukwuyem ekufu
  53. finances

    a friend barrowed $5,000.00. I charged him 12 percent intrest. he paid it off over a 10 month period. Now what is the intrest total that he owes me? I thought I had it figured out and he said it not right.

    asked by delphine
  54. science

    What are some examples of aquitards?

    asked by sp
  55. pre calculus

    Write the expression below as a single logarithm. Need to know how to work this! ln(x-5/x^2 - 1) - ln (x^2 - 2x -15/x + 1)

    asked by James
  56. pre calculus

    Use properties of logarithms to find the exact value of the expression log_7 (343 * 7^15)

    asked by James
  57. english 1`0

    I need daily diary entries for antonio from the merchant of venice

    asked by wyatt
  58. Physical Chemistry

    Substitute U = uV and P = (1/3)u into the equation (ðU/ðV)T = T(ðP/ðT)V – P to show that it leads to du/u=4(dT/T). *NOTE: u depends only on T*

    asked by Kiki
  59. English

    I need to double check my work please. Revise to create pronoun-antecedent agreement and eliminate the generic he and any awkward pronoun reference. 1) While shopping for a new computer for school, I noticed that a laptop costs much less then they use to.

    asked by Luis
  60. To: n/a -- Re: English

    I've deleted your post because it's an online test with answers. If you want to know why those answers are correct, recheck your text materials. Btw -- are you sure they are all correct?

    asked by Ms. Sue
  61. health

    You have just accepted a position at a physician's office as the revenue expert. In addition to billing and coding expertise for added/improved revenue, the physician has asked for youn to develope new sources of revenue. You are to research and present at

    asked by Anonymous
  62. Algebra Help

    Could someone place explain how to solve the following - 4t^2/5=t/5+3/10 5t/6-t/2=1 Thanks

    asked by lexy
  63. english

    the essay needs to be proof read and any suggestions or corrections will be greatly helpful! The Unbiased Killer Caner is known as unbiased killer that knows no race, age or sex of it victims. The disease lung cancer is the Number one cause of cancer

    asked by n/a
  64. english

    as i participate in x mas pagent i need lyrics for mary' s boy child sung by boney M can you assist me

    asked by R S Telagathoty Edlapadu
  65. algebra

    1.Write a quadratic equation in the variable x having the given numbers as solutions. Type the equation in stadard form ax^2+bx+c=0 Solution 7, only solution 2.The width of a rectangle is less than the length. The area is 4ft^3. Find the length and the

    asked by lisa
  66. health

    I have to do a research paper and present at least three new appropriate legal revenues sources for consideration. I must also include how to code and bill for each of them.

    asked by Wanda 48
  67. physics

    A police car moveing at 140 km/h is changing a lorry moveing at 120 km/h.If the initial distance betwen them is 500m,how many minutes later and at what distance from its initial position does the police carb catch the lorry

    asked by faisal
  68. Algebra

    In 2006 population of country was 32.2 million. This represented an increase of 3.6% since 2001. What was population of country in 2001. Round to nearest hundredth of a million.

    asked by Alisa
  69. English

    what are 4 main disadvantages of visiting other countries?

    asked by Peter
  70. algebra

    find the equation of a line being given the slope and containing a point of m=4/5,(1,-2)

    asked by lashawna
  71. algebra

    The width of a rectangle is 3ft less than the lenght. The area is 4ft^2. Find the lenght and the width

    asked by lisa
  72. English

    Do you know why rhetoric is called a public activity?

    asked by Anonymous
  73. Criminal Justice

    Will someone please help me with this question? What are the goals of truth-in-sentencing laws?

    asked by PENNY
  74. Question

    What was the real information for Holocaust Museum and Study Center Contest??? I forgot the name and I tried looking for the information and I couldn't find it.

    asked by Lauren
  75. math

    Correction of problem submiited earlier. The amount P of pollution varies directly with the population N of people. City A has a population of 494,000 and produces 260,000 tons of pollutants. Find how many tons of pollution we should except City B to

    asked by Kai
  76. algebra

    N(x)=-0.6^2+15.6x+12, where x is the number of days since the concert was first announced, When will daily ticket sales peak and how many tickets will be sold that day ticket sales peak- number of tickets sold-

    asked by lisa
  77. English

    I don't understand what Aristotle's definition of rhetoric is. He said that is was the repetition of dialect, parallel to one another but still different.

    asked by Anonymous
  78. Trig

    Eight Fundamental Identities Sec thada - Cos thada How do I do this?

    asked by Don
  79. Trig

    Please disregard last question .... wrote it down wrong .. Thanks

    asked by Don
  80. Math C30

    Eight Fundamental Identities Sec thada - Cos thada- on one side tan thada sin thada- on the other side How do you do this ???

    asked by Don
  81. English

    What does this definition of rhetoric mean by Plato: the persuasion of ignorant masses within the courts and assemblies

    asked by Anonymous
  82. English

    true or false 1)true or false, diction, rhythm,phrasing,sentence length,and other features of language make up a writer's style 2)in the story a pair of silk stockings, irony is not important to the theme 3)in the white heron, the white heron means the

    asked by sarah
  83. English

    According to the first philosophers, did they think of rhetoric as good or negative? I know that Aristotle thought of it more good because it wasn't just used for politics, but for much more. Plato looked on it more negatively because it could easily

    asked by Anonymous
  84. chemistry

    why are they shaped liked this 1)BF4- is a tetrahedral molecule 2)SF3+ is a Trigonal pyramidal molecule 3)ICI4- IS A SQUARE PLANER molecule 4IF5 IS A SQUARE pyramidal molecule 5)PF5 IS A TRIGNAL BIPYRAMIDAl molecule help Dr bob222

    asked by Anonymous
  85. Writing

    Is there a contest when you make your own literay maganzine (full of their art work and stories or poems they wrote) and the winner get it publish????

    asked by Lauren
  86. geometry

    quadrilateral has vertices at P(–2, 5), Q(0, 5), R(–2, 3), and S(0, 3). Find the length of , to the nearest hundredth

    asked by shamoy
  87. geometry

    quadrilateral has vertices at P(–2, 5), Q(0, 5), R(–2, 3), and S(0, 3). Find the length of , to the nearest hundredth

    asked by shamoy
  88. Trig

    Column 1 Column 2 sec theta - cos theta tan theta sin theta Question: how do you get column 1 to be the same as column 2 ?? using the eight fundamental identities

    asked by Don
  89. Trig

    Column 1 Column 2 (sin theta + cos theta)sq 1 + 2sin theta cos theta Question : how do you get column 1 to be the same as column 2?? using the trig identities

    asked by Don
  90. Trig - Thanks Damon

    Thanks for the help Damon. Much appreciated. Don

    asked by Don
  91. English

    Question Teacher marked wrong why Sam and Sally want to buy candy. Only other choice could have Sam and Sally wants to buy candy.

    asked by Daniel mom
  92. Algebra - Question about Answers

    I would like to know if my answers are correct. A principal of 6500.00 is invested in an account paying an annual rate of 4%. Find amount in acct after 4 years if acct is compounded semiannually, quarterly and monthly. Semiannually - 7615.79 Quarterly -

    asked by Kylie
  93. nursing

    The ANA'S ethical theories and principles and how it incorporates in its operations. Provide an example of how it applies these theories and principles

    asked by maria
  94. math

    logarithm base 20 of 39

    asked by ddd
  95. Algebra

    JOHN MOWS HIS LAWN IN 6 HRS,WHEREAS JANE MOWS SAME LAWN IN 3 HRS?? MY QUESTION IS HOW MUCH TIME WOULD IT TAKE FOR BOTH TO MOW THE LAWN TOGETHER???

    asked by Ashley A.
  96. Statistics

    6. If we reject H0:µ = 10 in favor of Ha:µ 10 at a given level of significance with a positive value of the test statistic z, then if we test H0:µ = 10 versus Ha:µ > 10 using the same sample, Ha:µ > 10 will ______ be rejected at the same significance

    asked by Mark
  97. Algebra

    10A^8/7V^3 TIMES 49R^7/100A MULTIPLY AND SIMPLIFY

    asked by JOSH
  98. Algebra

    REMOVING FACTOR OF 1: 4Z-24/6-Z

    asked by becca
  99. Algebra

    SOLVE:Y-4/Y+1=2/5 HELP

    asked by Jema
  100. Algebra

    FIND THE LCM OF (2+9U),(4-81U)AND (2-9U)???? HELP

    asked by Ashley A.
  101. English

    Question Teacher marked wrong why Sam and Sally want to buy candy. Only other choice could have Sam and Sally wants to buy candy.

    asked by Daniel mom
  102. physics

    A car travels from city a to city b at a constant speed of 60 km/h.A bus leaves city a 1h after the car and catches it as it enters city b.the distance betwen the cities is 240 km.what is the speed of the bus{assumed to be constant] during its journey

    asked by faisal
  103. math

    Car Insurance Use the histogram below to answer the following questions. a)How many students were surveyed? b)What are the lower and upper class limits of the first and second classes? c)How many students have an annual car insurance premium in the class

    asked by Iva
  104. chemistry

    3 NO2(g) + H2O(g) ==> 2 HNO3(g) + NO(g) What is the maximum number of liters of HNO3(g) that can be made from 17.45 L of H2O(g) and 12.06 L of NO2(g) at STP?

    asked by Anonymous
  105. statistics

    Do you think there is a correlation between CEO salaries and the degree of success of a company? If you were to take a sample of companies with comparable size, market capitalization, and product category, and plot CEO salaries against the net profit of

    asked by Mark
  106. Algebra

    FIND THE LCM OF (2+9U),(4-81U)AND (2-9U)???? HELP

    asked by Ashley A.
  107. Trig

    Prove that the equation is an identity: cot4theta - csc4theta = -cot sq theta - csc sq theta How ??

    asked by Don
  108. English

    Could you please check these sentences, please? Thank you. 1) Jane Austen appeared on the literary scene with her novel of manners based on the premise (synonym?) that there is (was?) a vital relationship between manners, social behavior and character. 2)

    asked by Henry2
  109. Question

    Do Explo Summer Program of Yale have to look at what you done in high school (grades, clubs, etc.)????? You can apply to this program if you are a junior or senior. This is my brother's question he is curious.

    asked by Lauren
  110. Algebra

    Solve: y-4/y+1=2/5

    asked by Ashley A.
  111. Trig

    Prove the equation is an identity : csc3theta - csctheta + cottheta/csctheta = cotsqtheta + costheta wow ... try that one

    asked by Don
  112. Algebra

    Removing factor of 1: 4z-2y/6-z explain how to solve this pleaseeeee

    asked by Ashley A.
  113. Communications Studies

    How do scholars differ on whether media-depicted violence triggers aggressive behavior?

    asked by Ashley
  114. human service

    What makes an agency culturally competent? Agency cultural competent is the ability to interact effectively and successfully with people of different cultures. where can I find this information that I need for my anser to be complete?

    asked by patiance
  115. Communications Studies

    How has a trusteeship concept for broadcast regulation given way to a marketplace model? Consider technological shifts.

    asked by Ashley
  116. Communications Studies

    What are the three technologies on which the primary mass media are built?

    asked by Ashley
  117. Math

    In 2006 population of country was 32.2 million. This represented an increase of 3.6% since 2001. What was population of country in 2001. Round to nearest hundredth of a million.

    asked by Alisa
  118. math

    One number is eight more than twice another. If their sum is decreased by nine, the result is fourteen. Find the numbers....smaller value and larger value

    asked by latesha
  119. Math

    Differentiate 1/tanx I got -sec^2 / tan^2x, which is correct, but the answers said I could also simplify this to -cosec^2. How would you do that? Thanks =)

    asked by Allessandra
  120. Math

    the 12th term in a geometric sequence is 49, and the 14th term is 2401 . Find the 15th term

    asked by Melissa
  121. Math

    The 13th termof an arithmetic sequence is 61 and the 20th term of the squence is 82. Calculate the sum of the first 25 terms of the sequence

    asked by Melissa
  122. Algebra

    Find the LCM of(2+9u),(4-81u)AND (2-9u)???? HELP

    asked by Ashley A.
  123. Math

    Differentiate (1- sinx) / (1 +sinx) How would I do this? The answer is (-2cosx)/ (1 + sinx)^2 Thanks in advance :)!!

    asked by Allessandra
  124. Finance

    (Inflation) A project’s initial investment is $40,000, and it has a five-year life. At the end of the fifth year, the equipment is expected to be sold for $12,000, at which time its net book value will be $5,000. The CFATs (including inflation,

    asked by EMJ
  125. Maths

    Differentiate (sin^3)x and use this result to evaluate the integral of sin^2 x cos x dx between pi/2 and 0. Thanks!

    asked by Allessandra
  126. math

    why do oyu change the last two signs when subtracting two negative numbers?

    asked by Nicole
  127. Math

    Simplify by removing factors of 1: 6w-36/6w Would the answer be 6w or 1 since 6w/6w would equal 1 ???? help me

    asked by Ashley A.
  128. Trig

    The next two steps in solving this trig identity question are ??? 1/csctheta x costheta x sintheta x sectheta = sinsqtheta arghhh need help please

    asked by Don
  129. Math Problem

    Find the function Value F(x)=x^3 F(-5)=

    asked by Lavern
  130. Math

    Solve: y-4/y+1=2/5 would the answer be 14/3 ???

    asked by Ashley A.
  131. math

    Five times the difference of twice a number and thirteen is negative five. Find the number

    asked by latesha
  132. math

    One number is eight more than twice another. If their sum is decreased by nine, the result is fourteen. Find the numbers.

    asked by latesha
  133. Math Can anyone check my answer please

    4z-24/6-z=-z,-4

    asked by Ashley A.
  134. Finance

    Your firm has the option of making an investment in new software that wil cost $130,000 today and is estimated to provide the savings shown in the table over5 years. year savings estimate 1 $35,000 2 50,000 3 45,000 4 25,000 5 15,000 should the firm make

    asked by Vanessa
  135. Finance

    If you won $2,5 million in a lottery. You can receive $1.3million now or $100,000 at the end of each of the next 25 years, You can earn 5% annually on the investments . Which is the better option?

    asked by Vanessa
  136. Finance

    You receive $12,000 and looking for a bank to deposit the funds. Bank A offers an account with an annual interest rate of 3% compounded semiannually. Bank B offers an account with 2.75% annual interest rate compounded continuously. Calculate the value of

    asked by Vanessa
  137. Math Can anyone check my answer please

    4z-24/6-z=-z,-4

    asked by Ashley A.
  138. function

    given that f(x)= 3-7x+5x^2-x^3, factorise the polynomial completely, hence state the set of values of x for which the function is equal or less than zero .

    asked by kingwendu
  139. Algebra Help

    In 2006 population of country was 32.2 million. This represented an increase of 3.6% since 2001. What was population of country in 2001. Round to nearest hundredth of a million.

    asked by Alisa
  140. Mathematics

    How would I express sin^6 theta in multiples of cos theta? Thanks

    asked by Mintz
  141. math

    Solve the following for the indicated variable. x − 6y = −4 for x

    asked by latesha