Questions Asked on
July 30, 2015

  1. Math Important!

    Ozzie's Mother bought an assortment of greeting cards while she was at the bookstore. She bought twice as many birthday cards as anniversary cards. She bought 2 fewer anniversary cards than general greetings cards, but 2 more anniversary cards than get

    asked by Sam
  2. English

    In the " I have a dream" speech why does Martin Luther king Jr. use the symbol of a dream in his speech?

    asked by Daniela
  3. math

    I don't understand factoring. One of my homework questions asks for that. The question is "The area of a rectangular garden is given by the trinomial x to the 2nd power plus x -42. What are the possible dimensions of the rectangle? Use factoring.

    asked by Barry
  4. Physical sciences

    Suppose light of a longer wavelength has shone on the potassium. Would photoelectrons emission take place exaplain?

    asked by Prudence
  5. Trigonometry

    Two ships leave a harbor entrance at the same time. The first ship is traveling at a constant 10 miles per hour, while the second is traveling at a constant 22 miles per hour. If the angle between their courses is 100°, how far apart are they after 2

    asked by Alice
  6. maths

    (1)differentiates,x^x^10 Question(2),compute each of the following double integral over the rectangles where R=(-2,-1)*(0,1),§x^2y^2+cos(paix)+sin(paiy)dA qustion3:investigate the stationary point of f(x) if y=3x^2+y^3-3x^2-3y^2-2

    asked by anthony
  7. Math

    Suppose f(f(x))=x for all x for which f(x) is defined and f(0)=2003. Find all the roots of the equation f(x)=0

    asked by Erikhelp
  8. Math

    Suppose f(t^2+1)=t^4+5t^2+3. What is f(t^2-1)?

    asked by Erikhelp
  9. Math

    While evaluating the sine of a particular angle, an absent minded student failed to notice that his calculator was not in the correct angular mode. He was very lucky to end up with the right answer. What are the two smallest possible values of x such that

    asked by Alecs
  10. Math

    A weight of 150 lbs is placed on a smooth plane inclined at an angle of 24° with the horizontal. What is the required force needed to prevent the weight from sliding down the plane?

    asked by Alexa
  11. Trig

    Prove the identity: (sin⁡(2x-y)+sin⁡y)/(cos⁡(2x-y)+cos⁡y )=tan⁡x

    asked by Alexa
  12. Trig

    Write an algebraic expression for the following: sin⁡(arctan⁡〖(x+1)/(x-1)〗 )

    asked by Alexa
  13. science

    locate the position of the centre of mass of a system of particles of mass m1=1kg,m2=2kg and m3=3kg situated at the corner of an equilateral triangle of angle 60degres and side 1m

    asked by keegan
  14. English

    "the responsibility for the success of communication always depends on the superiors and not the subordinates." comment

    asked by nakul
  15. Mahlogonolo

    Mathematics on a cubic function what do the zeros on the graph mean

    asked by Anonymous
  16. math

    if the area of the rectangle is 256x^4y^4-169c^4y^4 dm find the length if its worth (16x^2y^2) dm ?? Thankss :)

    asked by Camz
  17. Mathematics

    Under functions what do the zeroes on the graphs mean

    asked by Mahlogonolo
  18. Physics

    A constant force of friction of 50 N is acting on a body of mass 200kg moving initially with a speed of 15m/s. How long does the body take to stop? What distance will it cover before coming to rest?

    asked by Anna
  19. maths

    A hallow sphere has a volume of kcm^3 and a surface area of kcm^2.what is the value of the diameter of the sphere if it is tripled

    asked by anthony
  20. math

    the product of two whole numbers is 48. find their greatest possible sum. what is the least sum.?

    asked by jem
  21. Math

    how do you solve this, its about rational expressions ?? 4 /X^2 – 4x+1 + 2/ x^2 -1

    asked by Mike
  22. Math

    A weight of 150 pounds is placed on a smooth plane surface which makes an angle of 35 degree with the horizontal. The weight is held by a string parallel to the surface and fastened at the top of the plane. Find the pull on the string.

    asked by yasser
  23. physics

    100 = mgh 100 = 10(9.81)h H = 1.02m

    asked by Ain
  24. maths

    A hallow sphere has a volume of xcm^3 and a surface area of ycm^2 if the value of the diameter of the sphere is the radius of the area of a semicircle.what is the radius of a cylinder(P) if the area of the circle is equal to the area of the cylinder when

    asked by anthony
  25. trigo

    0 point midway between two objects one lying three times as far as the other one, the c of elevation of the taller is twice the smaller c of elevation. find the c of elevation?

    asked by osep
  26. algebra

    simplify mn+mp+nq+pq /n+p

    asked by cecilia
  27. English Grammar - Clauses

    The following sentence contains _____. We like him as much as them. an adjective clause a noun clause an elliptical clause no subordinate clause I think "as much as them" is an adverb clause but since it's not an option, I'd choose "no subordinate clause."

    asked by Emily
  28. chemistry

    A reaction proceeds by the following three-step mechanism with elementary rate coefficients, k. A + B → C k 1 C → A + B k -1 C → B + D k 2 (C is a chemical radical) (ii) By applying the Steady State Approximation determine the overall order of the

    asked by jay
  29. grammar clauses

    The adjective clause in the following sentence modifies.... The time for complaints about the tax notices you have received has already passed. complaints, time or notices? I think it's complaints..

    asked by Jay
  30. English

    Can you make me a sonnet. 14 lines . 10 syllables. any topic will do.

    asked by PHil
  31. Chem

    A 0.75 g sample of a metal is heated from 34C to 59C and is transferred into 523 g of water at 25C. Describe the flow of heat between the water and the metal.

    asked by Sarah foster
  32. History

    Which best expresses how Missouri's application for statehood threatened the future of slaves? A It could have given more power to the states in favor of slavery. B People in the Missouri Territory had no mercy for runaway slaves. C The governor of the

    asked by J.J.
  33. Criminal Justice

    A blended Sentence: a. refers to juvenile court defendants who are transferred to criminal court. b. includes elements of both juvenile and criminal courts c. has been criticized for failing to provide enough services. d. none of the above. im confused

    asked by Amy
  34. criminal Justice

    The origins of the American prison system can be traced to: A. Henry VIII b. the influence of the Quakers c. Civil war D. legacy of Hammurabi is it A

    asked by Amy
  35. Criminal Justice

    A termination of the Revolutionary War ended transportation of laborers to America from then to 1879, England sent her convicts to: Attica Austria Australia France i think its A

    asked by Amy
  36. chemistry

    find the mole fraction of 10g/l aquous solution H2So4 having density 0.01 g/ml

    asked by Hariom
  37. Criminal Justice

    A recess appointment occurs when: a. the president makes an appointment during a congressional recess b. Congress schedules an appointment during a recess c. Article III allows for it d. Both A and C i think its D

    asked by Amy
  38. math

    kari earns 101.25 dollars for 15 hours how many hours must she work to earn 459.00 dollars

    asked by kari
  39. criminal justice

    Shaw's dual sovereignty model involves: a. sovereignty being shared between border states b. federal and state constitution examined simultaneously c.states automatically forwarding their laws to the US supreme court for review d. state supreme courts and

    asked by Amy
  40. Criminal justice

    This psychology is concerned with the rehabilitation of law violators a. behavioral b. correctional c. psychoanalytic d. criminal i'm confused between A and B

    asked by Amy
  41. Math

    A pirate is on a hill looking at a building. The building is 400 feet tall. The angle of elevation from the pirate to the building is 4° and the angle of depression from the pirate to the bottom of the building is 2°. What is the shortest distance the

    asked by Alexa
  42. Math

    How many values of x satisfy the equation: sin⁡x=x^2/(625π^2 )?

    asked by Alexa
  43. Trig

    Algebraically find the value of: 10 cot⁡(cot^(-1)⁡3+cot^(-1)⁡7+cot^(-1)⁡13+cot^(-1)⁡21 )

    asked by Erikhelp
  44. Trig

    What is the value of tan⁡x given that sin⁡x+cos⁡x=1/5 and π/2

    asked by Erikhelp
  45. spanish

    Teresa ___ dio una camara a mi.

    asked by Anonymous
  46. Trig

    Solve, algebraically or with justification (no graphing calculator solutions allowed), the following equation: tan⁡7x-sin⁡6x=cos⁡4x-cot⁡7x

    asked by Alecs
  47. Math

    What is the value of sin⁡2x given that sin⁡x+cos⁡x+tan⁡x+cot⁡x+sec⁡x+csc⁡x=7?

    asked by Alecs
  48. Geography

    You are given triangle ABC. AB=13,BC=15, and CA=14. Point D is on segment BC and CD=6. Point E is on segment BC such that CE>CD and ∠BAE=∠CAD. What is the length of BE?

    asked by Alecs
  49. criminal justice

    IN a search warrant, the description of the property you searching for must meet the standard of a. reasonable particularity b. clear and convincing c. beyond a reasonable doubt d. preponderance of evidence i think its C

    asked by Amy
  50. physics

    A stone thrown vertically upwards from the top of a building takes 3s to reach its maximum height . Find 1. The velocity with which it is thrown 2.the maximum height it reaches above the builibg

    asked by Anonymous
  51. computers

    computers that process data from sensors as events occur are called a. distributed computer b. even driven simulations c. pseudo sensory system d. real time system im confused between B and C

    asked by Amy
  52. Social Studies

    The Battle for Fort Sumter did which of the following? Gave the Union control over the Mississippi River Demonstrated the superiority of the Union's military leaders Gave the Confederacy possession of an important military base Stalled the momentum of the

    asked by J.J.
  53. Social Studies

    How did the election of Ulysses S. Grant affect the voting rights of African Americans? Grant received fewer votes in the North, so the Civil Rights Act of 1866 was enacted to protect African American rights. Grant received fewer votes in the North, so the

    asked by J.J.
  54. Science

    1.A lift weighting 1000kg is moving upwards with an acceleration of 1m/s^2.The tension in the supporting cable is (a)980N (b)10800N (c)9800N (d)8800N 2.A person of mass 60kg is inside a lift of mass 940kg and presses the button on control panel.The starts

    asked by Diwije
  55. algebra

    What is the axis of symmetry in -7/x^2-4

    asked by roger
  56. witbank high

    a rectangular prism with a square base of five cm length and height of two cm. What is the area of the base of the prism.

    asked by pretty
  57. Maths

    qustion(1):find the product of xy if x,3/2,6/7,y are in a g.p qustion(2):calculate the angle between the vector u=2i+2j and v=2i+2ji qustion(3):if the center of a circle,the tangent from X touches A&B and AC is a diameter if AOB=47 calculateBOC

    asked by edward
  58. Easy Math??

    Carol started from home on a trip averaging 30 miles per hour how fast must her mother drive to catch up to her in 3 hours if she leaves 30 minutes after Carol? Use an equation to solve your work. a.35 mph b.39 mph c.40 mph I heard that the answer is a,

    asked by Ryan
  59. alg

    george drove to two town at 60 miles per hour and drove back home at 30 miles per hour. what is the distance to town if the whole trip took 9 hours hrs

    asked by heather
  60. algebra

    george drove to two town at 60 miles per hour and drove back home at 30 miles per hour. what is the distance to town if the whole trip took 9 hours hrs

    asked by heather
  61. Social Studies

    Which statement best explains how Ralph Waldo Emerson, Harriet Beecher Stowe, and Ned Buntline were similar? They all attempted to revive traditional religious values. They were all founders of influential social-reform movements. They all shaped the

    asked by J.J.
  62. math

    One-fifth of your art-supply money goes for brushes. If you also spend 12 of your money on paint, what fraction of your money will you have left?

    asked by anon
  63. Life orentation,maths,physics,business,geography

    Explain three ways in wich you can help to adress poverty and aids in s.a

    asked by Nokuthaba
  64. math

    1/5 of your art-supply money goes for brushes. If you also spend 1/2 of your money on paint, what fraction of your money will you have left?

    asked by anon
  65. Life orantation

    Evaluate 3 benefits of parcipating in a community project.

    asked by Thafa
  66. 6th grade math

    What is the greatest number of pictures each 2.5 and 3.5 inches that a photographer can print on an 8 inch by 10 inch paper?

    asked by MJ
  67. math! VERY hard!

    You need 3 pounds of fruit for a fruit salad. You already have 3/4 pound apples and 1/3 pound grapes. Drag fruit to the box that you can buy so you will have exactly the right amount with no extra. the choices are: 1/2 2/3 1/8 3/4 5/8 you can use those

    asked by anon
  68. Computer Science

    public class PrimeNumbers { public static void main(String[] args) { int x = 100; for(int i=2; i

    asked by Jake
  69. math, hard

    If |a| = -a and |b| = -b, then a-b= A) |a| +|b| B) |a|-|b| C) -|a|+|b| D) -|a|-|b| I don't get this, if you square root any number, how does it become negative??

    asked by Cody
  70. math

    How many integers greater than 1 million and less than 4 million are squares of integers? A) 998 B) 999 C) 1000 D) 1998 Can you help and show me a faster way than listing it out!?

    asked by Cody
  71. math

    For how many different negative values of x is √x+2001 an integer? A) 42 B) 43 C) 44 D) 45 A lot to list out, any way to find it faster??

    asked by Cody
  72. math

    If 5^x = 7, then 5^x+2 = A. 9 B. 14 C. 49 D. 175 How is 5 to the x equal to 7 possible, and how do I solve this?

    asked by Cody
  73. Algebra I I

    If j = 6, then j x 2 = 6 x 2 If this the multiplication property of equality of the substitution property? Thank you for your help.

    asked by Mom50
  74. Math content exam

    Has anyone taken the Mathematics Content Exam 115 for Teacher's in the state of Illinois? Please give me tips or help. Thanks!

    asked by Seany
  75. Statistics

    Given a histogram. How would I find out how far the mean was from the median?

    asked by Seany
  76. What did I did wrong MATH

    The ratio of number of one-dollar coins to the number of fifty-cent coins in a box was 3:4. Six one-dollar coins were removed and some fifty-cent coins if the same amount were added. The ratio of the number of one-dollar coins to the number of fifty-cent

    asked by Jackson
  77. GCF

    What is the GCF of: a^5 b^11 c^13 d^7 e^8 f^7 & a^2 b^5 c^6 d^3 e^5?

    asked by Seany
  78. Math

    (2x-1)^4 What is the coefficient of x^2?

    asked by Seany
  79. Math

    In a group of m men, b men earn D dollars per week and the rest earn half that amount each. Represent the total number of dollars paid to these men in a week. P.S. Whenever i try solving this problem i get 3/2D(b+m) Could you kindly tell what i am doing

    asked by Someone who needs help
  80. Cones

    The volume of a cone is said to be 36pi. All that is told is the water level goes up to H/2. What is the volume of the water?

    asked by Seany
  81. Probability

    A man has 10 ties to choose from. He wears a tie each day to work. (5 days = 1 work week) What is the probability that he wears the same tie in a week? What is the probability that he wears a different tie each day?

    asked by Seany
  82. Statistics

    What is best to measure voltage in? Mean, Median, Mode, Range?

    asked by Seany
  83. Probability

    What is the probability of choosing an odd # from A that is AnB? A{1,2,3,4,7,9} B{3,7,9,11,12,15}

    asked by Seany
  84. accounting

    I got the first two parts of this three part question figured out but I can't figure the last part here it is Duggan Company applies manufacturing overhead to jobs on the basis of machine hours used. Overhead costs are expected to total $327,600 for the

    asked by Anoymous
  85. Calculus

    (1-sin^2 theta) - (sin^2 theta) (1-sin^2 theta) * (sin^2 theta)

    asked by Seany
  86. math

    A farmer had 500 ducks and 300 chickens. He gave his sister 100 chickens and ducks. Later, the farmer bought 10 more ducks and 75 more chickens. As a result, the number of ducks decreased by 12% and the number of chickens increased by 15%. a) How many

    asked by Ms Sue(Or anyone else)--HELP ME
  87. Probability

    A man has 3 pennies, 2 nickles, and 3 dimes. If he draws 1 coin randomly then replaces it and selects again randomly. What is the probability of getting less than 10 cents if his 1st draw was a penny?

    asked by Seany
  88. Probability

    50% of cars produced have A/C. 52 cars are produced each day. If we did 10 consecutive days of production, what is the probability that 5 had A/C?

    asked by Seany
  89. maths

    qustion(1)x^x=100, find x question(2):2x+2y6 find the value of x&y that satisfy the inequalities qustion(3):x^x=100^x find x

    asked by edward
  90. Probability

    A password is 5 letters long. What is the probability of getting it correct?

    asked by Seany
  91. Math

    1cm=4miles. What is 280cm^2?

    asked by Seany
  92. Science

    The atmospheres of the planets in our solar system differ in their physical compositions. Which planet would you expect to have the thickest atmosphere? a planet with a hot atmosphere and strong gravity a planet with a cold atmosphere and strong gravity a

    asked by Nour
  93. math

    1cm=4miles. How many miles is 280cm^2?

    asked by Seany
  94. Math

    the half life of a radioactive substance is one day. You have 100 grams. how much of the substance would be left after a week?

    asked by Jo
  95. Math

    You are given triangle ABC. AB=13,BC=15, and CA=14. Point D is on segment BC and CD=6. Point E is on segment BC such that CE>CD and ∠BAE=∠CAD. What is the length of BE?

    asked by Alexa
  96. trig

    If sinx=3 cosx, then what is sinx∙cosx?

    asked by Alexa
  97. Algebra 2

    Thank you Steve and others that have answered my questions before. 5 x 6 - 2 x 4 = 30 - 8 I believe this is the substitution method. Correct? Thank you.

    asked by Mom50
  98. Mathematics

    let 5a+12b and 12a+5b be the sides length of a right-angled triangle and let 13a+kb be the hypotenuse,l where a,b and k are positive integers. find the smallest possible value of k and the smallest values of a and b for that k.

    asked by Utah
  99. math

    The two of us ordered a pizza whose area was the same as the area of a square in which the sum of the squares of the four sides plus the sum of the squares of the two diagonals is 400. The pizza's area was A. 50 B. 100 C. 150 D. 200

    asked by Cody
  100. Chemistry

    Given the following exothermic, equilibrium reaction: 3 H2(g) + N2(g) 2NH3(g) Using Le Chatelier's Principle, which of the following changes would shift the equilibrium toward more production of NH3?

    asked by Jimmy mendoz
  101. math

    there are 10 white socks and 6 black socks in a drawer. vic reaches into the drawer without looking and picks a white sock. he keeps the first sock out and reaches into the drawer again. to pick a second sock. what is the probability that the second sock

    asked by Anonymous
  102. Criminal justice

    define crime, its relationship to law,and two most common models of how society determines which acts are criminal.

    asked by Areland
  103. math

    How many ounces of an alloy containing 30% gold on the world market must be added to 10 ounces of an alloy containing 5% to produce an alloy containing 20% gold?

    asked by Anonymous
  104. math

    In a pseudopythagorean triangle, the sides are all integers and the sum of the square roots of the sides equals the square root of the third side. How many pseudopythagorean triangles are there. A. none B. 1 C. 2 D. more than 2 this is such a confusing

    asked by Ryan
  105. Chemistry :(

    Question text Given the following exothermic, equilibrium reaction: 3 H2(g) + N2(g) 2NH3(g) Using Le Chatelier's Principle, which of the following changes would shift the equilibrium toward more production of NH3? Select one: a. Adding a catalyst b. Adding

    asked by Jimmy mendoz
  106. Chemistry

    Given the following reaction: XBO3(s) XO(s) + BO2(g) If the concentration of BO2 at equilibrium was 2.0 M, what is the equilibrium constant (K)? Select one: a. Not enough information is given b. 1.0 M c. 2.0 M d. 0.50 M

    asked by Sarah foster
  107. math

    -15+7

    asked by Anonymous
  108. chemistr

    On a potential energy diagram when adding a catalyst what is not affected

    asked by Sarah foster
  109. Science

    The atmospheres of the planets in our solar system differ in their physical compositions. Which planet would you expect to have the thickest atmosphere? a planet with a hot atmosphere and strong gravity a planet with a cold atmosphere and strong gravity a

    asked by Nour
  110. Emergency chemistry

    PLEASE PLEASE PLEASE ANSWER MY PREVIOUS QUESTIONS

    asked by Sarah foster