Jo

Newest questions and responses by Jo
  1. Math

    .27 as fraction

    asked on October 30, 2018
  2. Math

    7. Find the mean, median, and mode of the data set. Explain which measure of central tendency best describes the data. pages of homework: 2 2 2 5 3 9 7 3 5 2 8. You are training for a marathon. On the first three days of training, you run for 2, 4, and 5

    asked on May 4, 2018
  3. Math

    Solve the quadratic equation 2x² - 4x + 1 = 0 How many solutions are in the equation 3x² + 4x - 7 = 0

    asked on May 1, 2018
  4. Algebra

    How do I do these?

    asked on May 1, 2018
  5. Maths

    Solve the quadratic equation 2x² - 4x + 1 = 0 How many solutions are in the equation 3x² + 4x - 7 = 0

    asked on May 1, 2018
  6. Mathematics

    Solve the quadratic equation 3x²=27 Solve the quadratic equation 2x² - 4x + 1 = 0

    asked on April 30, 2018
  7. math

    At Supermart an IPod that originally sold for 74.99 dollars was discounted 25 percent in April and then another 15 percent of the already discount price in May. At Bigmart that same IPod that originally sold for 74.99 dollars was discounted 15 percent in

    asked on March 17, 2018
  8. Chemistry

    25ml of sulfuric acid from a car battery was accurately diluted to 500ml. 25ml of the diluted solution was titrated with 0.206 mol/L sodium hydroxide. It required 38.8 ml. Calculate the Molarity of the original battery acid and it's concentration in grams

    asked on March 11, 2018
  9. maths

    Find an equation of the line that is perpendicular to the line whose equation is 2x – 5y = 3 and passes through (-2, 7). Last time i posted this, the answer was wrong

    asked on February 27, 2018
  10. maths

    Find an equation of the line that is perpendicular to the line whose equation is 2x – 5y = 3 and passes through (-2, 7).

    asked on February 25, 2018
  11. maths

    Write an equation of the line that is parallel to the equation 5x – 2y = 6, that passes through (4, -2).

    asked on February 24, 2018
  12. geometry

    a 20 foot latter will be used to paint the exterior of a house. The foot of the latter needs to be 4.5 feet from the base of the house. What is the maximum height the ladder will reach?

    asked on February 18, 2018
  13. Math Combinatories

    In the 2011 Canadian general election, 166 conservatives, 103 ndps, 34 liberals, 4 bloc quebecois, and 1 green were elected. If an all-party committee is to be formed consisting of 9 conservatives, 5 ndps, 2 liberals, 1 bloc quebecois, and 1 green, how

    asked on January 12, 2018
  14. Math

    Mr.Macho ate 125 hot dogs over a five day period. Each day he ate seven more hot dogs than on the previous day. How many hot dogs did he eat the first day.

    asked on December 25, 2017
  15. Math

    Mr.Macho ate 125 hot dogs over a five day period.Each day he ate seven more hot dogs than on the previous day. How many hot dogs did he eat the first day

    asked on December 24, 2017
  16. Math

    Mr.Macho ate 125 hot dogs over a five day period.Each day he ate seven more hot dogs than on the previous day. How many hot dogs did he eat the first day

    asked on December 23, 2017
  17. Math

    Use the slopes to determine if the line between the points (3, 5) and (-2, 7) is parallel, perpendicular or neither to a line that passes through the points (10,5) and (6, 15) a) Parallel b) Perpendicular c) Neither

    asked on December 15, 2017
  18. Algebra

    Damien is 6 years older than Emma. In 9 years the sum of their ages will be 82. How old is Damien now?

    asked on August 7, 2017
  19. Physics

    Okay, I'm really confused in general. My question says: "A solid piece of clear transparent material has an index of refraction of 1.61. If you place it into a clear transparent solution and it seems to disappear, approximately what is the index of the

    asked on March 28, 2017
  20. algebra

    An object is thrown straight up into the air at an initial vertical velocity of 32 feet per second from an initial height of 128 feet and is represented by the vertical motion model, h(t) = -16t^2 + 32t + 128. How much time does it take for the object to

    asked on March 17, 2017
  21. algebra

    How much of a solution that is 45% sulfuric acid needs to be mixed with a solution that is 90% sulfuric acid to produce 120 liters of a solution that is 60% sulfuric acid?

    asked on March 17, 2017
  22. algebra

    How much of a solution that is 45% sulfuric acid needs to be mixed with a solution that is 90% sulfuric acid to produce 120 liters of a solution that is 60% sulfuric acid?

    asked on March 16, 2017
  23. Math

    Felicia makes 1/2 gallon of fruit punch. She pour an equal amount into 8 glasses. What fraction of the fruit punch in each glass

    asked on March 8, 2017
  24. math

    -4+7x+4=8 direct vriation

    asked on March 2, 2017
  25. math

    the sum of two numbers is 20.one number is 3 time the other number . find the two numbers?

    asked on February 23, 2017
  26. math

    if the terminal side of an angle , theta, passes through the point (3,-5). find sin(theta)

    asked on January 9, 2017
  27. math

    TWO YEARS AGO, KIM INVESTED RMP AT HER ACCOUNT WHICH EARNS r% simple interest . after eighteen months , she noticed that the amount had become rm 10450 and today amount is rm 10600 . FIND THE VALUE OF p and r

    asked on December 20, 2016
  28. Math

    If Mrs. Jacobsen wants to buy the item with the unit price , what item should she order and how many of that item should she order?

    asked on December 11, 2016
  29. Math (statistics)

    Suppose an employee starts working after completing her MBA at age 30 at a starting salary of $50,000. She expects an annual salary increase to be at minimum 1%, at maximum 5%, with a uniform distribution. Her retirement plan requires that she contribute

    asked on December 5, 2016
  30. Math

    How to find the transformations of these graphs of equations? 1. y=(x+2)^2-3 2. y=3x^2-6 3. y=-2(x-4)^2+5 Please teach me..

    asked on November 14, 2016
  31. Physics

    Two parallel straight wires are 1 meter apart. Each wire carries a current of 2 Amperes in the same direction. What is the resultant magnetic field produced by both wires at a point: 2) 1/4 of the distance between them I don't really understand what 2 is

    asked on November 10, 2016
  32. Physical Educationcal Educationcal

    What is the role of 1mile running? ( like important things, teaching points ) I need to find for P.E. class.. Please introduce me some good websites

    asked on November 1, 2016
  33. Art

    Hundertwasser who was born in December15, 1928 in Austria and died in February19, 2000. What do you think about characteristics of his work?

    asked on October 30, 2016
  34. English

    If you suddenly lost everything, what would you miss most?

    asked on October 28, 2016
  35. P.E.

    What is Conditioning coach and Conditioning activities..?

    asked on October 28, 2016
  36. English Writing

    Please bring something interesting to share with the class tomorrow. It can be anything that you have seen/heard/read recently in English (an article, a song, a new phrase, a short video, a picture of a sign you saw, etc). It needs to be appropriate of

    asked on October 27, 2016
  37. Phyics

    A 56 kg astronaut stands on a bathroom scale inside a rotating circular space station. The radius is 250 m and the bathroom scale reads 42 kg At what speed does the space station does the floor rotate

    asked on October 24, 2016
  38. calculus

    A running circuit is to be constructed in the shape of a rectangle with two semicircles attached at the east and west ends of the path (see figure). A picnic area will be set in the center of the circuit. If we want the total length of the circuit to be

    asked on October 17, 2016
  39. calculus

    A printed page is to have 1 in. margin on all sides. The page should contain 80 sq. in. of type. What dimensions of the page will minimize the area of the page while still meeting the other requirements?

    asked on October 17, 2016
  40. Science

    A piece of lead at 100 degrees celsius has a mass of 500 grams. It is placed in a 200 grams of water at 20 degrees celsius that is contained in an aluminum caloriemeter with a mass of 400 grams. If the final temperature of lead, water and caloriemeter is

    asked on October 11, 2016
  41. Maths

    Solve the problem - How many three digit numbers do not contain a five? Show evidence of solving the problem in a systematic way.

    asked on September 17, 2016
  42. Maths

    Solve the problem - How many three digit numbers do not contain a five? Show evidence of solving the problem in a systematic way.

    asked on September 17, 2016
  43. Math

    Week 1 42hours(including 4 hrs sick leave,6 hrs travel) Week2 46 hours(including 5 hrs travel) What percentage of the recorded time did the worker spend traveling

    asked on September 15, 2016
  44. social studies

    How are interest rates and wages similar? A. Both rise due to inflation. B. both are types of prices. C. Both relate to the cost of borrowing. D. Both are payment for work done. i feel like it is D or b? please help

    asked on September 7, 2016
  45. social studies

    How are interest rates and wages similar? A. Both rise due to inflation. B. both are types of prices. C. Both relate to the cost of borrowing. D. Both are payment for work done. i feel like it is D or b?

    asked on September 7, 2016
  46. Math

    How do you simplify this expression? 5(x+10)+x 6x+50 is the answer?

    asked on September 1, 2016
  47. math

    7x/8 = 21 i am kind of confused on this

    asked on August 30, 2016
  48. math

    How do you simplify this expression? -12 / 3 x (-8+(-4)^2 - 6) +2 I got -8+2. Is this right?

    asked on August 30, 2016
  49. Math

    The difference between 2 numbers is 14.When the greater number is divided by the lesser, the quotient is 2 and the remainder is 5.What are the numbers?

    asked on August 4, 2016
  50. math

    **In the Figure KE is parallel to LF which is parallel to MG which is parallel to NH etc. Also DK: KL= 2:1 DL:LM = 2:1 DM: MN=2:1 etc If KE = 2 cm , calculate the length of the 10th parallel line,rounded off to one decimal place.(N.B NH is the 4th parallel

    asked on April 25, 2016
  51. Math

    An Equilateral Triangle Of Side 20cm Is Inscribed In A Circle.Calculate The Distance Of A Side Of The Triangle From the Centre Of The Circle.

    asked on April 25, 2016
  52. Math

    a jar contains 26 fluid ounces of spaghetti sauce, how many cups of spaghetti sauce do 4 jars contain?

    asked on April 21, 2016
  53. Chemistry

    A chemist reacted 0.05 moles of sodium with water to form 50cm3 of sodium hydroxide solution. Na + H2O -- NaOH + H2 (unbalanced) What mass of sodium was reacted?

    asked on April 7, 2016
  54. geometry

    What is the ratio of the area of sector AOB to the area of sector COD? 1/3,1/4,1/9,3/8

    asked on March 25, 2016
  55. Physics

    A 25 kg box is dragged across a floor by a rope that makes an angle of 60 degrees with the horizontal. The tension in the rope is 100 N while the box is dragged 15 m. A) how much work is done by tension? B) how much work is done by gravity?

    asked on February 20, 2016
  56. math

    A ball is launched from a slingshot. Its height, h(x), can be represented by a quadratic function in terms of time, x, in seconds. After 1 second, the ball is 148 feet in the air, after 2 seconds the ball is 272 feet in the air. Find the height in feet of

    asked on February 17, 2016
  57. math

    The large red equilateral triangle has sides of 8x units. The midpoints of the red triangle are joined to form the blue triangle. The midpoints of the blue triangle ate joined to form the green triangle. The process of joining midpoints to form new

    asked on January 12, 2016
  58. math

    The large red equilateral triangle has sides of 8x units. The midpoints of the red triangle are joined to form the blue triangle. The midpoints of the blue triangle ate joined to form the green triangle. The process of joining midpoints to form new

    asked on January 12, 2016
  59. Math

    Construct the 2 x 3 matrix B=[b_ij] where b_ij= (-1)^i+j(i^2-2j)

    asked on November 30, 2015
  60. Math

    Express log z+ 2 log y - 3log x as a single logarithm.

    asked on November 30, 2015
  61. ENGLISH

    1. Joseph ate dessert before he ate dinner. --> Are the capitalized words a phrase or a clause? Answer: Clause. 2. She left early in the morning. --> Are the capitalized words a phrase or a clause? Answer: Phase. IS THIS CORRECT?

    asked on November 25, 2015
  62. english

    Define verb tense. Write a sentence that has a simple present tense verb. Rewrite it, changing the verb to simple past tense, simple future tense, each of the perfect tenses, and each of the progressive tenses.

    asked on November 25, 2015
  63. math

    if you spend 4/7 of your money and have $15 left how much did you spend

    asked on November 11, 2015
  64. Math

    A circular pool 10m wide in diameter has a deck 2m wid around it. What is the area of the deck?

    asked on November 2, 2015
  65. Psychology

    An extremely loud noise awakens you; you emerge from sleep confused and do not remember the noise. You were most likely in which stage of sleep. a. Stage 1 b. Stage 2 c. REM d. Stage 4 e. Twilight Sleep

    asked on October 22, 2015
  66. Physics

    You testify as an expert witness in a case involving an accident in which car A slid into the rear of car B, which was stopped at a red light along a road headed down a hill (Fig. 1). You find that the slope of the hill is Ɵ = 120 , that the cars were

    asked on October 4, 2015
  67. algebra

    why is 0.57 considered a rational number?

    asked on September 2, 2015
  68. Math

    Do the following points represent a point on the graph of y=x 4? (0.-4) (5,-1)

    asked on August 13, 2015
  69. 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 on July 30, 2015
  70. Chemistry

    Calculate the molarity of a solution made by adding 33.4 mL of concentrated nitric acid (70.4 % by mass, density 1.42 g/mL) to some water in a volumetric flask, then adding water to the mark to make exactly 2000 mL of solution. (It is important to add

    asked on June 23, 2015
  71. Chemistry

    How many grams of potassium nitrate (KNO3) are required to produce 536 g of potassium nitrite (KNO2) according to the equation below? *I've tried this question for so long and I get so many different answers in the end so please help.

    asked on April 20, 2015
  72. business

    A proportionate tax consumes a determinate apportionment of one’s monetary flow.

    asked on March 18, 2015
  73. Physical Chemistry

    If a 30g piece of ice at -5C is immersed in 125mL of water at 25C in an insulated container... A. Determine the final temperature and final composition of the system B. Determine the entropy changes of the ice and the water and the overall entropy change

    asked on March 16, 2015
  74. math - relations and functions

    What is mean , Write a set of 10 ordered pairs that represent a function?

    asked on February 17, 2015
  75. Physics

    An optical fiber is made of a clear plastic with index of refraction n=1.6, For what angles with the surface the light remain contained within the plastic guide?

    asked on January 4, 2015
  76. physics

    A stone is thrown into water pond forming 10 waves in 5 seconds. The diameter of the first crest is 13 m and the diameter of the last crest is 4m. Find a.the periodic time b.the frequency c.the wave length d.the wave velocity

    asked on January 1, 2015
  77. math

    Classic Furniture purchases dining room sets with an invoice date of September 27, and terms of sale of 3/10, n/60. What is the net date? A) October 17 B) October 22 C) November 2 D) November 26

    asked on December 15, 2014
  78. Mechanics

    A 1-kg ball in the air has an initial velocity vo = [ 20 ] i + [ -30 ] j m/s. It falls for a total time of 1 s. Assume that positive x-values are to the right and positive y-values are upward. A)What is the impulse or change in momentum Delta p of the

    asked on December 5, 2014
  79. physics

    The acceleration of gravity is 9.8 m/s 2 . What is the magnitude of the total force on a(n) 87 kg driver by the dragster he operates as it accelerates horizontally along a straight line from rest to 41 m/s in 5.3 s? Answer in units of kN

    asked on December 1, 2014
  80. POL 201

    _______ is core to the notion of “life, liberty and the pursuit of happiness” in the Declaration of Independence. (Points : 1) Human agency Pure unfettered liberty the idea that government may never restrict citizens’ liberty the concept of American

    asked on November 4, 2014
  81. POL 201

    If Americans were said to have a positive liberty to work, then the government (Points : 1) may not prevent one from working. is required to provide jobs to those that cannot find jobs. may never pursue a policy that leads to unemployment. must prohibit

    asked on November 4, 2014
  82. ashford

    Those who attended the Constitutional Convention believed that (Points : 1) England was an evil society. America had made a great mistake in fighting the revolutionary war. British institutions of government were good but they became corrupt. America would

    asked on November 4, 2014
  83. math

    In three successive years the price of the common shares of Bedrock Resources Ltd. fell 40%, 60%, and 70% ending the third year at 50 cents. How much (in dollars and cents) did the share price drop in the second year?

    asked on October 28, 2014
  84. physics

    A box slides down a 28° ramp with an acceleration of 0.98 m/s2. Determine the coefficient of kinetic friction between the box and the ramp.

    asked on October 12, 2014
  85. chemistry

    what could cause the difference in the actual number of mole and the expected number of mole in copper oxide?

    asked on October 8, 2014
  86. chemistry

    what is the molar ratio of 0.114 copper to 0.116 oxygen? Then how do you make an empirical formula from this information?

    asked on October 8, 2014
  87. chemistry

    in a empirical formula lab how do you calculate the number of moles of Cu in 0.0114 moles of CuSo4*H2O? Thanks

    asked on October 8, 2014
  88. calculus

    Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. x+y=4,x=5−(y−1) 2 ;

    asked on October 2, 2014
  89. physics

    A hunter wishes to cross a river that is 1.0 km wide and that flows with a speed of 4.9 km/h. The hunter uses a small powerboat that moves at a maximum speed of 9.6 km/h with respect to the water. What is the minimum time necessary for crossing?

    asked on September 29, 2014
  90. math

    sum of 3 number is equal 39 , the second number is half of third number ,and the first number less than third number by 1,the result must be 6 degit ?

    asked on September 11, 2014
  91. geometry

    Two rectangles are similar. If the height of the first rectangle is 3 inches, and the height if the second rectangle is 9 inches, how much larger is the second rectangle's area?

    asked on July 23, 2014
  92. Statistics

    A COMMITTEE OF 5 PEOPLE IS TO BE FORMED FROM 15 PARENTS AND 10 teachers. Find the probability that the committee will consist of at least one parent.

    asked on July 11, 2014
  93. chemistry

    which complementary functional group from dopamine would need to be present in the receptor for the interaction to occur.

    asked on May 27, 2014
  94. chem

    which complementary functional group from dopamine would need to be present in the receptor for the interaction to occur.

    asked on May 27, 2014
  95. chemistry

    i need to find the enthalpy for COF2 F2 (g) + CO (g) --> COF2 (g) i found -507 but i am not sure if it is correct

    asked on May 21, 2014
  96. science

    i need to find the enthalpy for COF2 F2 (g) + CO (g) --> COF2 (g) i found -507 but i am not sure if it is correct

    asked on May 21, 2014
  97. research

    what is the research problem discussed in the article: UNDER SURVEILLANCE: AN EMPIRICAL TEST OF THE EFFECTIVENESS AND CONSEQUENCES OF ELECTRONIC MONITORING? I have read this and I am totally lost. Please help

    asked on April 27, 2014
  98. Math

    Given a total profit of p(x) = 1.4x-0.02x^2-20 let x represent a number of days and find profit achieved and when that profit is made

    asked on April 22, 2014
  99. criminal justice

    explain the relationship between theory and hypothesis development and testing

    asked on April 20, 2014
  100. Math

    Abby has 18 blue socks and 4 white socks. How many socks does she need to pull out in order to have a matching pair of socks?

    asked on April 10, 2014

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