Questions Asked on
May 29, 2016

  1. Maths

    If a number is chosen at random from integers 5 to 25 inclusive, find the probability that the number is (a) multiple of 5 or 3 (b) even or prime number (c) less or greater than 18

    asked by Queeneth
  2. Math

    The sum of 3 consecutive odd natural numbers is 69. Find the prime number out of these numbers.

    asked by Srishti
  3. Intro to computers

    You are an inexperienced Excel user and don’t know how to create your own formulas. You want to use one of the preconfigured formulas but it doesn’t appear in the Formulas tab ribbon. What can you do?

    asked by Anonymous
  4. Chemistry

    A compound has an empirical formula of CH2 and molecular mass of 84g. What is it's molecular formula?

    asked by Mayra
  5. Intro to computers

    You create a formula that adds cells E4 through E19. Three of these cells are blank. What happens?

    asked by Anonymous
  6. English

    Which sound device does this phrase demonstrate? cruel cackles of crazed crones A. consonance B. assonance C. alliteration D. onomatopoeia C?

    asked by quick help needed
  7. Maths

    Each gallon of shingle stain covers 120 square feet. How many gallons should you buy to cover 686 square feet

    asked by Laja
  8. physics

    A dolphin wants to swim directly back to its home bay, which is 0.800 km due west. It can swim at a speed of 3.58 m/s relative to the water, but a uniform water current flows with speed 2.95 m/s in the southeast direction.

    asked by joe
  9. Math1

    An undisclosed number of friends gather for dinner. Each person shakes each other persons hand exactly once. How many handshakes occur? Piti reasons that 2 people will have one handshake. For each person added, everyone in the earlier group will need to

    asked by Heaven
  10. science

    Which of the following substances would be most effective in relieving the pain caused by a man-of-war sting to one's skin? 1. tap water 2. club soda 3. lipstick 4. perfume 5. lemon juice help this is a hard one

    asked by miss
  11. Geometry

    A building casts a shadow that is 250 ft long. The angle of elevation from the tip of the shadow to the top of the building is 43°. Find the height of the building to the nearest foot.

    asked by Patricia
  12. Basic math for science

    A sportswear manufacture determines that the marginal cost of producing x worm-up suits is given in dollars by 20-0.015x.if the cost of producing one suits is $25,find the cost function and the cost of producing 50 suits and 100 suits

    asked by Rose
  13. Chemistry

    Write the formation equation for the ester that forms between propanoic acid and 1-pentanol. Include the names of the products and the structures for all substances involved.

    asked by Lily
  14. Math2

    Fernando wears three colours of socks: red, blue and white. He doesn't pair his socks when he washes them, he just throws them into his sock drawer. A.) What is the fewest number of socks Fernando needs to take out of the drawer to guarantee he has a

    asked by Heaven
  15. math

    Given that triangle ABC is congruent to triangle RST, AB=x, BC=x+2, AC=x+4 and RS=2x-7, find the perimeter for triangle ABC.

    asked by kenzi
  16. Chemistry

    Which amount of heat is released when 75.0 g of water at 0° C is frozen to ice?

    asked by G
  17. Maths , logarithms

    Can someone solve for x please. I don't understand it. 2^x . 7^x = log 14 My answer : 14^x = log 14 = log14÷log 14 = x X=1 Is this right????

    asked by Jack
  18. physics

    Please can someone show me how to go about this problem? The X-Y plane is illuminated by an electric field of strenght given as E=(24î + 60j + 70k) N/C; the flux through a 1.5m² portion of the illuminated plane is

    asked by jay
  19. Math(Please Help!)

    An undisclosed number of friends gather for dinner. Each person shakes each other persons hand exactly once. How many handshakes occur? Piti reasons that 2 people will have one handshake. For each person added, everyone in the earlier group will need to

    asked by Heaven
  20. Math3

    Prove the following conjecture: Between any two unique Real Numbers, there exists another Real Number.

    asked by Heaven
  21. Math.........

    Prove the following conjecture: Between any two unique Real Numbers, there exists another Real Number.

    asked by Heaven
  22. @Ms. Sue La

    THANK YOU Ms. Sue you are a life saver all the time. I see some of the post's Jerks saying very mean things about you. I just thought someone should tell you thank's for once like you deserve.They are just mad bc you won't come right out and give them the

    asked by Ikcss
  23. Integral calculus

    find the area of the surface generated by revolving about x-axis the upper half of the ellipse 4x^2 + 16y^2 = 64

    asked by Anonymous
  24. Math

    When two-fifths of a number is increased by 15 the result is 27. What is the number?

    asked by Jill
  25. math

    Write this in scientific notation. (1.4*10^1)(8*10^4) a)9.4*10^4***** b)9.4*10^5 c)1.12*10^5 d)1.12*10^6 Please cheek my answer i am not sure if I am right or wrong.

    asked by Jess
  26. Pharm

    You receive an order written for 375 ml of D5W to be administered over 6 hours. Calculate the flow rate of the infusion with an IV set that has a drop factor rate of 20gtt/min

    asked by Mamp
  27. Math

    Use the clues To find the Mistery Number. The number os less than 800 and greater Than 780. It has 8 more tens than ones

    asked by Mirella
  28. Maths

    A garden has a small rectangular lawn surrounded by a flower-bed of equal width. The lawn measures 5 metres by 12 metres and the flower-bed has a width of x metres. Write an expression for the area of the garden and flower-bed

    asked by Fatima
  29. English

    I had to choose poetic device examples from a poem and these are the lines I chose. I just wanted them to be checked to make sure I am right! Alliteration - Sail south from here over the salt-streams Assonance - Go down to the sea, the home of the gull

    asked by Justine
  30. chemistry

    Suppose that 9.6 mL of 1.5 M KOH(aq) is transferred to a 250 mL volumetric flask and diluted to the mark. It was found that 31.5 mL of this diluted solution solution was needed to reach the stoichiometric point in a titration of 9.6 mL of a phosphoric acid

    asked by jess
  31. Physics

    A partially filled bucket of water sits on a scale and its weight is 4.8 N. A piece of metal is suspended from a thread and completely immersed in the bucket (but does not touch the bottom). The scale now reads 7.8 N. Find the volume of the metal.

    asked by Anonymous
  32. Intro to computers

    How do you change between worksheets inside an Excel Workbook?

    asked by Anonymous
  33. Stats

    A genetic experiment with peas resulted in one sample of offspring that of 421 green peas 155 yellow peas. Construct a 95% conf. Interval for yellow peas. _

    asked by J
  34. Intro to computers

    You have created a worksheet documenting sales over every quarter since the start of your company. Each column represents a quarter and each row represents a product you sell. Each cell contains the sales generated for that product. You want to find the

    asked by Anonymous
  35. Intro to computers

    What does the COUNT function do in Excel?

    asked by Anonymous
  36. ALGEBRA

    Determine each product. Please slow the steps. (x + 4)^2

    asked by Kimmy
  37. economics

    How do the jobs that are flowing into the U.S. compare with the ones that are flowing out?

    asked by Petrova
  38. Math (pre-celc 12)

    Find x: 2(5)^x=3^(x+1) I'm not sure what to do with the 2. I think I need to write the equation as log5^2x=log3^(x+1), but I don't know. Thanks

    asked by Jana
  39. math

    slove the game with following pay-off 3*3 matrices:((2,3,1/2)(3/2,2,0)(1/2,1,1))

    asked by priya
  40. English

    1. For the one-syllable words ending in single vowel + single consonant, double the consonant before a suffix beginning with vowel. Examples: • beg + ed = begged • run + ed =running • rob + er = robber • sad + est =saddest 2. For the one-syllable

    asked by rfvv
  41. math

    use dominance to slove the game with following pay-off matrices: ((2 3 1/2) (3/2 2 0) (1/2 1 1)). ANS: A=(1/4,0,3/4); B=(1/4,0,3/4); v=7/8. i got answer, but how to do this? i need solution

    asked by priya
  42. math

    a snail moves along the edge of a triangular lawn ABC from A back to A . The distance AB was done 15mins, BC in 25 mins and it took the snail 40 mins to do CA. What was the average speed of the snail in centimeters per second?

    asked by ralph
  43. Chemistry

    How many moles of a gas are present in 2.0L cylinder at 1.50 atmospheres and 17 degree's celcius?

    asked by Mayra
  44. Math4

    Describe why the following is a paradox: The following sentence is true. The previous sentence is false.

    asked by Heaven
  45. A question

    What are some ideas being propagated by society that most adhere to even though they know its wrong

    asked by Rose
  46. Chemistry

    1. A sample of oxalic acid (H2C2O4, with two acidic protons), of volume 46.56 mL was titrated to the stoichiometric point with 17.06 mL of 0.297 M NaOH(aq). What is the molarity of the oxalic acid? Answer in units of M. 2. What mass of the oxalic acid was

    asked by Angelica
  47. 7th grade science final

    review Question -- 3 simple steps for DNA duplication I have found so many answers but cant get a concise one. 1. separation - of 2 dna strands unzips 2. duplicates 3. zips back up and then a simple sentence about each

    asked by Danny
  48. physics pls help

    Please can someone show me how to go about this problem? The X-Y plane is illuminated by an electric field of strenght given as E=(24î + 60j + 70k) N/C; the flux through a 1.5m² potion of the illuminated plane is

    asked by jay
  49. Chemistry

    Suppose that 12.41 mL of 0.169 M NaOH(aq) was required to titrate 0.1579 g of an unknown acid (HX). What is the molar mass of the acid? Answer in units of g/mol.

    asked by Andrea
  50. Chemistry

    If the reaction 2H2O2 →2H2O+O2 has a 45% yield, what is the molarity of the H2O2 solution if 2.5 L of this solution pro- duces 150 g of O2?

    asked by Andrea
  51. Pre calculus

    olve the system of equations using matrices. Use Gaussian elimination with back-substitution. x + y + z = -5 x - y + 3z = -1 4x + y + z = -2 I need it explained to me, how do I do this?

    asked by Kim
  52. Chemistry

    A sample of sodium hydroxide of volume 11 mL was titrated to the stoichiometric point with 24.5 mL of 0.138 M HCl(aq). What is the initial molarity of NaOH in the solution? Answer in units of M.

    asked by Andrea
  53. science

    Calculate the osmotic pressure 5% glucose Sol. At 298 kelvin?

    asked by Rinku
  54. Chemistry

    A sample of oxalic acid (H2C2O4, with two acidic protons), of volume 37.09 mL was titrated to the stoichiometric point with 22.41 mL of 0.163 M NaOH(aq). What is the molarity of the oxalic acid? Answer in units of M.

    asked by Andrea
  55. chemistry

    QUESTION 4 Data Set 3: 47.65 mL of a standard 0.1000 mol L–1 HCl solution is used to titrate a 0.3827 g sample containing NaOH and other impurities. None of the impurities reacted with the HCl. What is the mass of NaOH in the sample? a. 0.1737 g b.

    asked by jess
  56. Maths

    What is the next number in the series? 0 1 5 14 30 __

    asked by Simon
  57. Travel and Tourism

    What is the most successful marketing strategy for Travel Agents and Tour Operators?

    asked by Taylor
  58. Physics grade 11 HELP

    A cannon fires a projectile at 75 m/s at an angle of 56.7 above the horizontal. How high does the projectile get off the ground?

    asked by Shirley
  59. Economics

    What factors do you need in order to calculate a country's level of development?

    asked by Caroline
  60. Math - integrals

    Use the sub x-1 = sqrt(5)tan(u) to evaluate 5∫3 1/(x^2-2x+6)^3/2 I don't know how to use the substitution

    asked by Rob
  61. Chemistry

    Consider a 500mL solution containing 2.0×10^-5 mol HCl ·what is the pH of the above solution? ·If the solution is diluted to 1.5 L what will be the new pH?

    asked by Mayra
  62. Math

    I have a square house that has 1130 square feet, what is the dimension?

    asked by Lynn
  63. PHYSICS

    A football is kicked from the ground at an angle 30degree above the horizontal with an initial speed 18m/s and directly towards the goalkeeper. If the goal line is a horizontal distance 25m away calculate the vertical height at which the ball crosses the

    asked by CHRISTINE
  64. PHYSICS

    A stone is dropped from the top of a cliff and one second latter a second stone is thrown vertically downward with a velocity of 20m/s. How far below the top of the cliff will the stone overtake the first?

    asked by CHRISTINE
  65. Chemistry

    A flexible plastic container contains 0.833 g of helium gas in a volume of 18.3 L. If 0.203 g of helium is removed at constant pressure and temperature, what will be the new volume?

    asked by Anonymous
  66. english

    What parts of grammar are the words? Yesterday is history. Tomorrow is a mystery. Today is a gift, which is why we call it the present. Yesterday? Tomorrow? gift? call? it? present? My brother was discharged and will follow up next week. My? will follow

    asked by sara
  67. Econ

    What will result from an increased life expectancy and improved health care?

    asked by Tyler
  68. algebra

    The perimeter of a triangle is 45 centimeters. Find the lengths of its sides, if the longest side is 7 centimeters longer than the shortest side, and the remaining side is 2 centimeters longer than the shortest side.

    asked by LaTasha
  69. statistics

    How large a sample is needed to be able to estimate the proportion to within plus or minus 3% and be 95% sure the estimate is correct? frame contains approximately 25,000.do not take nonresponse into account.

    asked by Garth
  70. Algebra

    General tickets sell for $6 and adult $9. Sell at least 300 student and at least 500 adult. Costs $1 to advertise for adult and $.50 to advertise student. Have at most $400 for advertising. What is most profit that can be made? algebra inequalities

    asked by Sharon
  71. chemistry

    If I have a sample from doing a half lfe lab with m&ms, not timed, just pulling out decayed or m&ms with rhe m on top, how do I calculate the half life using t1/2=(.693)/k formula. Do I have to do this 9 times as it took 9 trys to use up all the m&ms. I am

    asked by lulu
  72. SCIENCE PLZZ HELP!!!

    ____ is rate of change of position. Speed Velocity Acceleration Displacement 2. Which of the following is the difference between speed and velocity? direction units speed none of the above 3. A planet is discovered that is the same size as Earth and has

    asked by gabby
  73. Chemistry

    A flexible plastic container contains 0.833 g of helium gas in a volume of 18.3 L. If 0.203 g of helium is removed at constant pressure and temperature, what will be the new volume?

    asked by Anonymous
  74. physics

    A piece of copper of mass 40 grams at 20 degrees Celsius is placed in a copper calorimeter of mass 60 grams containing 50 grams of water at 10 degrees Celsius .ignoring heat losses,what will be the final steady temperature after stirring?(specific heat

    asked by samuel
  75. biology

    magnification of simple microscope

    asked by kumkum
  76. Math

    There are a total of 103 foreign language students in a high school where they offer Spanish, French, and German. There are 29 students who take at least 2 languages at once. If there are 40 Spanish students, 42 French students, and 46 German students, how

    asked by Jun
  77. English

    Literary Analysis: Character and Characterization Read the selection. Then, answer the questions that follow. People who don’t know Harry tend to underestimate him. They cast a skeptical eye on his typical outfit: ragged jeans and shirts that bear

    asked by quick help needed
  78. Algebra

    I made a mistake. It should read at most instead of at least. General tickets sell for $6 and adult $9. Sell at most 300 general and at most 500 adult. Costs $1 to advertise for adult and $.50 to advertise student. Have at most $400 for advertising. What

    asked by Sbrooks
  79. English

    Read the following speech by Romeo in Act II, Scene ii. O, speak again, bright angel! For thou art As glorious to this night, being o'er my head, As is a wingèd messenger of heaven Unto the white-upturnèd wond'ring eyes Of mortals that fall back to gaze

    asked by quick help needed
  80. English

    Which of the following correctly defines blank verse? A. poetry with no structure or rhyme B. a type of long poem often used for plays C. a type of rhymed poetry Shakespeare uses throughout his plays D. unrhymed verse written in iambic pentameter D?

    asked by quick help needed
  81. English

    Which of the following is a technique of satire used by Wilde in The Importance of Being Earnest? A. giving information about his characters in a direct, straightforward way B. ridiculously exaggerating the importance people such as Gwendolen place on a

    asked by quick help needed
  82. Math- Prob Stat

    The probability that a student in this school has a job is 65%. What is the probability that: A. You ask at least 8 people before you find someone with a job? B. You ask at most 4 people before you find someone with a job? C. Between 15 and 29 people in a

    asked by Kate
  83. Algebra

    I made a mistake. It should read at most instead of at least. General tickets sell for $6 and adult $9. Sell at most 300 general and at most 500 adult. Costs $1 to advertise for adult and $.50 to advertise student. Have at most $400 for advertising. What

    asked by Sbrooks
  84. Biology

    If a man has cystic fibrosis and his wife is a carrier of the gene, what is the likehood of their offspring having the disease? Use a punnet square to justify your answer

    asked by Hafsah
  85. Science

    A man has a weight of 120kg what will be the Weight of same man on the moon

    asked by Anonymous
  86. Biology

    Outline the process of sampling along a transect

    asked by Hafsah
  87. Math word

    General tickets sell for $6 and adult $9. Sell at most 300 general and at most 500 adult. Costs $1 to advertise for adult and $.50 to advertise student. Have at most $400 for advertising. What is most profit that can be made?

    asked by Math reread please
  88. English

    How does imagery help evoke emotion in this poem Yes! in the sea of life enisled, With echoing straits between us thrown, Dotting the shoreless watery wild, We mortal millions live alone. The islands feel the enclasping flow, And then their endless bounds

    asked by Justine
  89. help science

    3 simple steps for DNA duplication I have found so many answers but cant get a concise one. 1. separation - of 2 dna strands unzips ? 2. duplicates ? 3. zips back up ? and then a simple sentence about each

    asked by danny
  90. Math

    How much should a girl go to 4th weigh?

    asked by Tyra
  91. Math word

    General tickets sell for $6 and adult $9. Sell at most 300 general and at most 500 adult. Costs $1 to advertise for adult and $.50 to advertise student. Have at most $400 for advertising. What is most profit that can be made?

    asked by Math reread please
  92. English

    Literary Analysis: Character and Characterization Read the selection. Then, answer the questions that follow. People who don’t know Harry tend to underestimate him. They cast a skeptical eye on his typical outfit: ragged jeans and shirts that bear

    asked by quick help needed
  93. English

    Literary Analysis: Character and Characterization Read the selection. Then, answer the questions that follow. People who don’t know Harry tend to underestimate him. They cast a skeptical eye on his typical outfit: ragged jeans and shirts that bear

    asked by quick help needed
  94. English

    Which of the following is a technique of satire used by Wilde in The Importance of Being Earnest? A. giving information about his characters in a direct, straightforward way B. ridiculously exaggerating the importance people such as Gwendolen place on a

    asked by quick help needed