johnny

Newest questions and responses by johnny
  1. math

    An Olympic athlete run for x minutes at y metres a minute and walks for w minutes at z metres a minutes as part of his training schedule. If the length of the course is d metres, write a formula for d.

    asked on August 17, 2018
  2. english -please check my answers

    anyone fimilar with the merchant of venice by william shakespear check my answers please 1.which of the following elements of comedy are not used by shakespear in the merchant of venice? a.a clown like character b.puns c.slapstick d.cleaver language i

    asked on July 19, 2018
  3. Algebra 2 Probability

    There are 10 cards. Each card has one number between 1 and 10, so that every number from 1 to 10 appears once. In which distributions does the variable X have a binomial distribution? When a card is chosen at random with replacement six times, X is the

    asked on April 17, 2018
  4. Math

    Solve for the unknown quantity in each proportion

    asked on January 12, 2018
  5. MATH

    The volume of a cylinder with a radius of 2 feet and a height of 4 feet is 50.2 feet^3. The volume of a cylinder with a radius of 4 feet and a height of 8 feet is 401.9 feet^3. The volume of a cylinder with a radius of 6 feet and a height of 12 feet is

    asked on December 15, 2017
  6. math

    In ΔABC,AD and BE are the angle bisectors of ∠A and ∠B and DE║ AB.If m∠ADE is with 34° smaller than m∠CAB,find the measures of the angles of ΔADE.

    asked on December 4, 2017
  7. geometry

    Given: ΔАВС, m∠ACB = 90° CD⊥AB,m∠ACD =60° BC = 6 cm. Find: АD

    asked on December 3, 2017
  8. History

    Can someone please tell me what this quote means, I am having trouble understanding. “When Andrew Johnson took upon himself the duties of his high office he swore to obey the Constitution and take care that the laws be faithfully executed. That, indeed,

    asked on November 17, 2017
  9. Chemistry

    Been stumped on this problem for a day now. 2KClO3-->2KCl+3O2 a) If 53.0g of potassium chlorate breaks down, what volume of oxygen is produced? For this one I got: 14.6L O2 b) How many grams of potassium chloride are produced from problem a? For the life

    asked on November 12, 2017
  10. Chemistry

    Hey bob- Here's what I got so far: 3AgNO3 + Na3PO4 ---> Ag3PO4 + 3NaNO3 Silver nitrate and sodium phosphate are reacted in equal amounts of 200. g each. How many grams of silver phosphate are produced? 1. What is the limiting? 2. How much silver phosphate

    asked on November 11, 2017
  11. Chemistry

    3AgNO3 + Na3PO4 ---> Ag3PO4 + 3NaNO3 Silver nitrate and sodium phosphate are reacted in equal amounts of 200. g each. How many grams of silver phosphate are produced? 1. What is the limiting? 2. How much silver phosphate is produced? 3. How much is in

    asked on November 11, 2017
  12. Chemistry

    Mg + 2HCl ----> MgCl2 + H2 What volume of hydrogen at STP is produced from the reaction of 50.0g of Mg and the equivalent if 75g of HCl? 1. What is the limiting reagent? 2. What is the volume of hydrogen produced? 3. How much is in excess?

    asked on November 11, 2017
  13. Physics

    calculate the specific heat capacity of the materials for which the heat supply, mass, and temperature below: (i) 2.52 x 10^4j, 0.3 kg, 20 k (ii) 8 x 10^3j, 500g, from 20'c to 60'c (iii) 9.45 x 10^3j, 150g, from 15'c to 45'c

    asked on September 28, 2017
  14. help stats

    Use the Poisson Distribution to find the indicated probability. A computer salesman averages 0.9 sales per week. Use the Poisson distribution to find the probability that in a randomly selected week the number of computers sold is 1. (Round answer to 4

    asked on July 6, 2017
  15. stats

    The probability is 0.7 that a person shopping at a certain store will spend less than $20. For groups of size 13, find the mean number who spend less than $20.

    asked on July 6, 2017
  16. math

    building lot in a city is shaped as a 30° -60° -90° triangle. The side opposite the 30° angle measures 41 feet. a. what is the length of the side of the lot opposite the 60° angle b. what is the length of the hypotenuse of the triangular lot. c. what

    asked on March 7, 2017
  17. History

    Why do you think state and local governments have a major role in providing important services? Why doesn't the federal government take on more of this role?

    asked on December 8, 2016
  18. Chemistry

    calculate the concentrations of H2S04, H30+, HSO4- and SO42- in 0.4 M H2S04 solution

    asked on November 27, 2016
  19. Finite math

    Consider the following annuity scheme: regular payments of $200 are made every two months at the end of the month (in other words, there are six equally spaced payments over the year) into an account with a nominal rate of 6% compounded monthly. Note, this

    asked on November 10, 2016
  20. algebra

    Justin rode his bicycle to a park located 4 2/3 miles from his house.he returned along the same route. After riding 9 1/8 miles total, how many more miles does justin need to ride to reach his home?

    asked on November 1, 2016
  21. science

    You normally drive the south expressway between Calubang and Magallanes at an average velocity of 105km/hr (65mi/hr), and the trip takes 2 hours and 20 minutes. On a Monday morning, however, heavy traffic slows you down and you drive the same distance at

    asked on October 24, 2016
  22. Math

    A square plot of land has an area of 1,156 square feet. What is the perimeter of the plot?

    asked on October 17, 2016
  23. Social studies

    Why was the mayflower compact so significant?

    asked on October 17, 2016
  24. Algebra

    Been working on this problem for nearly 45 minutes now, totally confused. 4.5x - 6.7y = 8.6 3.8x +2.2 = y

    asked on August 22, 2016
  25. math

    Given the function f(x)=x^3-2x^2-5x+6/x^2+3x+2 a) Determine algebraically the equation for any asymptotes (HA, VA and or OA) b)State the domain of the function c)State the behaviour of the function at each of the asymptotes

    asked on July 25, 2016
  26. Math

    An only son inherited a 3/4 hectare lot. He decided to build a 40-door condominium on the lot. The floor are of the units is uniform and the total floor area of the entire condominium is 1/5 less than the area of the lot to provide for certain amenities.

    asked on July 3, 2016
  27. Chemistry

    What's the formula for Li2Co3+Co(NO3)3(aq) ->

    asked on June 1, 2016
  28. Math

    Use three rectangles of equal width and the left endpoint approximation method to estimate the area enclosed by the x-axis, the lines x = 1 and x = 4, and the curve y = x^(1/2). Could you please help me understand how to do this? Thanks in advance!

    asked on May 22, 2016
  29. Math

    An area is bounded by the x-axis and the parabola y = 16 - x^2. Use four rectangles of equal width and the midpoint approximation method to estimate the bounded area. Could you please show me how to work out this problem? Thanks!

    asked on May 22, 2016
  30. math

    Martha rides 29 miles everyday on her bike about how many miles did she ride in 6 weeks

    asked on April 22, 2016
  31. math

    Martha rides 29 miles everyday about how many miles does Martha ride in 6 weeks

    asked on April 22, 2016
  32. Math

    Milo's pancakes recipient makes 9 serving. It's calls for 3/4 cup milk.Milo's wants to make 6 serving. How much milk will he needs.

    asked on March 30, 2016
  33. Math

    In Kelly's career on the basketball team, she made 7 out of every 10 free throws. Last season, she made 168 free throws. How many free throws did she attempt?

    asked on February 16, 2016
  34. math

    Mr. Angulo buys 5/8 pound of red grapes and 3/8 pound of green grapes. How many pounds of grapes did mr.angulo buy in all?

    asked on February 10, 2016
  35. algebra 1

    simplify (0.4)3

    asked on February 3, 2016
  36. Physics

    A student drops a lead ball 4" in diameter from the top of a large live oak tree. As the ball is falling, a bird flies under it, slowing the ball's velocity to 30 feet/sec. Two seconds later the ball strikes the ground. What is the coefficient of friction

    asked on January 23, 2016
  37. Literacy

    1.Write the participle in the sentence. Why do you need a new pair of hiking boots? My answer - NEED 2.Write the first and last word of the participial phrase. My answer - BEGINNING 3.Write the first and last word of the participial phrase. Disappointed by

    asked on January 20, 2016
  38. chemistry

    What mass of carbon dioxide can be produced from 4 moles of sodium bicarbonate according to the following unbalanced reaction, NaHCO3 --> Na2CO3 + CO2 + H2O?

    asked on January 13, 2016
  39. algebra 1

    graph the function for the domain of 3x -y=1;D:(-3,-1,0,4)

    asked on December 16, 2015
  40. physics

    A uniform horizontal beam 5.00 m long and weighting 2.88 102 N is attached to a wall by a pin connection that allows the beam to rotate. Its far end is supported by a cable that makes an angle of 53.0° with the horizontal (Figure (a)). If a person

    asked on November 28, 2015
  41. Chemistry

    A sample of oxygen occupies 38.9L at STP. What will the pressure need to be in Torr. if the volume is to be changed to 32.2L without a change in T. Is this P1V1/T2=P2V2/T2? How would I set it up.

    asked on November 26, 2015
  42. physics

    An airplane is travelling at a speed of 600 mph on a heading of 345 degrees. There is a wind moving at a speed of 70 mph on a heading of 20 degrees. The pilot would like to maintain his planned course. Find the speed and heading he should set in order to

    asked on November 15, 2015
  43. Physics

    What average power would a 1.20 multiply.gif 103-kg speedboat need to go from rest to 18.0 m/s in 4.79 s, assuming the water exerts a constant drag force of magnitude fd = 5.34 multiply.gif 102 N and the acceleration is constant?

    asked on October 25, 2015
  44. History

    After 1815, the quest for natio al self-determination posed a grave threat to the____ empire with its many and potentially dissatisfied nationalities.

    asked on October 11, 2015
  45. physics, please help

    An object of mass m can slide without friction on a tabletop. A horizontal string tied to the object passes through a frictionless hole in the table and is connected to a second, hanging mass, M. If m is put into motion so that it moves in a circular path

    asked on October 10, 2015
  46. chemistry (Organic)

    According to the two reactions below; 1-chloro-2,2-dimethylbatune + (warm NaOH 3)) 1-chloro-2-methylpropane + (cold dil.NaOH) 1) identify whether the reactions are Nucleophilic Substitutions (SN) or Elimination (E) reaction. 2) Complete the reaction

    asked on October 8, 2015
  47. physics

    10. The drawing shows a baggage carousel at an airport. Your suitcase has not slid all the way down the slope and is going around at a constant speed on a circle (r = 12.4 m) as the carousel turns. The coefficient of static friction between the suitcase

    asked on September 30, 2015
  48. Math

    Jamie brought $72 more than Sally brought. Tia and Sally brought the same amount of money. Sally brought $50 more than Kelly brought. If their total souvenir money did not exceed $502, what is the greatest amount of money Jamie could have brought?

    asked on September 25, 2015
  49. Plz help with literature

    The Most Dangerous Game Directions: Each question has a different point value. (134 total) As always, answer in complete sentences. Use the back of the sheet or your own paper. DO NOT CRAM ANSWERS ON THIS SIDE OF THIS SHEET! (5) 1. What do you admire or

    asked on September 4, 2015
  50. U.S. History

    Why is each topic historically significant and what impact did it have on colonial development? Algonkian- Iroquois/Haudenosaunee- Mestizo- Encomienda- Canary Islands- Maize Cultivation- Pueblo- Thanks

    asked on August 12, 2015
  51. Science

    How much heat is produced when the body metabolizes a gram of trioleylglycerol?

    asked on May 13, 2015
  52. Math - Polynomials

    off-topic: yay it's friday :D Simplify each polynomial. 1. 6g + 8k + 9g + 2k A) 3g + 10k B) -3g + 10k *** C) 17gk D) 10k - 3 2. -4x + 6x2 + 5x A) 7x^3 B) 6x^2 + 9x *** C) 6x^2 - 9x D) 6x^2 + x 3. a^2 + 5a - 3a^2 A) 5a + 2a^2 *** B) 5a - 2a^2 C) 2a^2 + 5a

    asked on May 8, 2015
  53. chemistry

    how much copper sulfate do i need to make a solution of 100ml of 1M copper sulfate?

    asked on April 30, 2015
  54. chemistry

    is the reaction between Copper sulfate and zn exothermic or endothermic and does that involve the activity series?

    asked on April 28, 2015
  55. NEED HELP ASAP PHYSICS@!!1

    Tarzan (m = 78.4 kg) tries to cross a river by swinging from a vine. The vine is 10 m long. Tarzan doesn't know that the vine has a breaking strength of 1045 N. What maximum speed (in m/s) can Tarzan have at the bottom of the swing (as he just clears the

    asked on April 10, 2015
  56. NEED HELP ASAP PHYSICS@!!1

    A person is flying a model airplane with mass 82.2 gram in a horizontal circular path on the end of a string 10.5 m long. The string is horizontal and exerts a force of 3.22 N on the hand of the person holding it. What is the speed (in m/s) of the plane?

    asked on April 10, 2015
  57. physics

    Friction provides the force needed for a car to travel around a flat, circular race track. What is the maximum speed at which a car can safely travel if the radius of the track is 80.0 m and the coefficient of friction is 0.43?

    asked on April 8, 2015
  58. Chemistry

    What is the volume of 20.55 grams of hydrogen gas at a pressure of 1.215 atmospheres at 29.3 degrees Celcius? how do you solve this

    asked on March 3, 2015
  59. physics

    A wheel starts from rest and rotates with constant angular acceleration to an angular speed of 9.3 rad/s in 1.39 s. Find the magnitude of the angular acceleration on the wheel

    asked on February 9, 2015
  60. math

    kellys dog eats 1 2/3 bones in 10 days. How many bones will he eat in 18 days?

    asked on February 8, 2015
  61. Physics

    An object moves in a circular path at 861 rpm. If the radius of its circular path is 9.27 meters, calculate a) the distance traveled in one complete revolution d = m b) the time it takes for one complete revolution T = seconds c) the linear speed of the

    asked on January 11, 2015
  62. Physics

    What is the vector product of A=2i + 3j + 1k and B=1i - 3j - 2k?

    asked on November 23, 2014
  63. Math

    There are 25 plants in arts garden. There are four times as many tomato plants as bean plants. How many tomato and bean plants are there?

    asked on November 14, 2014
  64. Physics

    A neutron with a mass of 1.67x10^-27 kg traveling east with a kinetic energy of 2.00x10^-21J collides perfectly elastically with helium nucleus with a mass 6.68x10^-27 kg that is initially at rest. After the collision, the neutron has a kinetic energy

    asked on November 12, 2014
  65. Physics

    A neutron with a mass of 1.67x10^-27 kg traveling east with a kinetic energy of 2.00x10^-21J collides perfectly elastically with helium nucleus with a mass 6.68x10^-27 kg that is initially at rest. After the collision, the neutron has a kinetic energy

    asked on November 12, 2014
  66. Math

    Katie measures that 6 1/2 pieces of model plane parts were five in one fifth inches long how long is each piece

    asked on November 11, 2014
  67. physics

    A neutron with a mass of 1.67x10^-27 kg traveling east with a kinetic energy of 2.00x10^-21J collides perfectly elastically with helium nucleus with a mass 6.68x10^-27 kg that is initially at rest. After the collision, the neutron has a kinetic energy

    asked on November 10, 2014
  68. Math

    Groups in math class have 4 green marbles, 6 yellow marbles, and 10 black marbles. Each group pulls out a marble, records it, and then replaces it 50 times. The class complies its data. how many times can you expect to pull out a green marble with 1000

    asked on November 7, 2014
  69. Math Calc

    Given a right triangle ABC with a=13 and b=26, find the value of angle A, angle B, and side length c. Round to the nearest thousandth.

    asked on November 3, 2014
  70. HELP! - Physics

    I need help with this. A frustrated farmer is trying to move a large rock from his land. The stone has a mass of 1275 kg. By using a piece of board as a lever and a fulcrum the farmer will have a better chance of moving the rock. The farmer places the

    asked on October 28, 2014
  71. physics

    Two people jump out of an airplane. They hold on to each other while falling straight down at a shared terminal speed of 60.7 m/s. Suddenly, they push away from each other. Immediately after separation, the first skydiver (who has a mass of 89.3 kg) has

    asked on October 10, 2014
  72. physics

    An astronaut comes loose while outside the spacecraft and finds himself floating away from the spacecraft with only a big bag of tools. In desperation, the astronaut throws his bag of tools in the direction of his motion (away from the space station). The

    asked on October 9, 2014
  73. Physics

    A crate sets on wooden horizontal surface (a wooden floor). The figure shows a top view of this looking down onto the crate (gravity would be acting into the page). Man one and man two apply forces F1 and F2, at angles of θ1 and θ2 respectively, with the

    asked on October 9, 2014
  74. physics

    I am struggling with this. A wombat of mass 22.0 kg starting at rest slides 13.0 m down a tree at a speed of 5.80 m/s just before reaching the bottom. (a) What is the change in the gravitational potential energy of the wombat during the trip? (b) What is

    asked on October 2, 2014
  75. physics

    I am having great difficulty with this question. A block is placed on a frictionless ramp at a height of 12.5 m above the ground. Starting from rest, the block slides down the ramp. At the bottom of the ramp, the block slides onto a frictionless horizontal

    asked on October 2, 2014
  76. psych 42

    The mean (μ) of the scale is 55 and the standard deviation (σ) is 7. Assuming that the scores are normally distributed, what PERCENTAGE of the population scores are above 59?

    asked on September 22, 2014
  77. Analytic Geometry

    Find the vertices, foci, eccentricity and length of the latus rectum of the ellipse whose equation is x^2 + 9Y^2 = 9

    asked on September 18, 2014
  78. math

    5. There are x dictionaries in a bookstore. After 1/8 of them were purchased, 10 more dictionaries were shipped in bringing the total number of dictionaries to 52. What is the value of x?

    asked on July 29, 2014
  79. math

    If n>0, then (4^n)(8^n)= A.2^9n B.2^8n C.2^6n D.2^5n E.2^4n

    asked on July 29, 2014
  80. math

    Jim can fill a pool carrying buckets of water in 30 minutes. Sue can do the same job in 45 minutes. Tony can do the same job in 1.5 hours. How quickly can all three fill the pool together? A.12 minutes B.15 minutes C.21 minutes D.23 minutes E.28 minutes I

    asked on July 29, 2014
  81. math

    6. In a residential building, the ratio of man and woman is 5 to 8. In August, there are 30 men and 10 women moving out from the building. After that, the ratio of man and woman in this building is 1 to 2. How many men were there in the building before

    asked on July 29, 2014
  82. math

    If 12V=3W, and v(not equal)=0, then which of the following is equivalent to 2W-8V? A.0 B.4W C.-6W D.2V E.-2V please show work.

    asked on July 29, 2014
  83. math

    How many three-dight integers greater than 600 contain only odd digits?

    asked on July 29, 2014
  84. math

    2. James spends 10% of his money for movie; he also spends 20% of his money for his lunch. Then he buys $20 in his office supplies. In the next day, he spends $10 for his breakfast. Now he leaves 40% of his original money. How much does he save originally?

    asked on July 29, 2014
  85. math

    Mr. Brown sold a jacket for $240, this making a profit of 20% on his cost. Later, he sold another jacket for $240 this time suffering a loss of 20% on his cost. The result of the two sales was A.He gained $40.00 B.He gained $10.00 C.He lost $20.00 D.He

    asked on July 26, 2014
  86. math

    2.If the largest of 7 consecutive integers is 25 what is the average of the 7 integers? A.24 B.22 C.21 D.20 E.16 I got E, this is my work: 7x+21/7=25 7x+21=175 -21 -21 7x=154 x=22

    asked on July 25, 2014
  87. math

    Janelle has $20 and is saving $6 per week. April has $150 and is spending $4 per week. When will they both have have the same amount of money? please show work,

    asked on July 24, 2014
  88. math

    6. If each of eight biology classrooms is in use for 5 hours and 15 minutes per day, and total of 84 student experiments are done, how long does each experiment take on average? A.20 minutes B.30 minutes C. 40 minutes D.50 minutes E.1 hour please show

    asked on July 23, 2014
  89. math

    A company wants to send out a mailer. A mailer be sent only if it has an envelope and a stamp. For the number of mailers printed, the company has only 1/2 the number of envelopes needed. Of those mailers for which there are envelopes, the company has only

    asked on July 23, 2014
  90. math

    9.If 1/4 the recommended daily requirement of vitamin P is 2 ounces, what is the total recommended daily requirement of vitamin P? please show work.

    asked on July 23, 2014
  91. math

    Ex 12: The smallest of five consecutive integers is represent by y-3. What is the largest of these integers, in terms of y? please explain and show work.

    asked on July 22, 2014
  92. math

    15. The sum of five unequal whole numbers is 90. The second largest of these five numbers can be at most A.19 B.41 C.43 D.89 please explain and show work.

    asked on July 21, 2014
  93. math

    Rico works for a landscaping company. He will enclose a square garden, using a full 50 ft roll of wire fencing. What could the largest dimension of the garden be? Sketch and label the garden, then calculate perimeter to verify your answer.

    asked on July 19, 2014
  94. math

    5. The sum of 7 unequal positive integers is 61. What is the largest possible value that any of those integers can have? A.55 B.40 C.39 D.13 E.9 please show work

    asked on July 19, 2014
  95. math

    One package of water plants is recommended for 3000 cubic centimeters of water in a fish tank. How many packages of plants will be needed for a 45cm by 70cm tank that is filled to a depth of 10cm? please show work.

    asked on July 17, 2014
  96. math

    Rosa is working on rectangular fish tank that is 15 cm wide and 20 cm long. How much tape will she need to put all around the top of the tank? please show work

    asked on July 17, 2014
  97. math

    What number, when has "4" as exponent and increases by 4, is equal to the product 26 and 10?

    asked on July 16, 2014
  98. math

    Bob's age is now 3 times of Tom's age. Twelve years from now, tom will be 15 years old. How old is Bob now? please explain and show work

    asked on July 16, 2014
  99. math

    If length of one side of a 3x3 square is four times, and the length of the adjacent side is tripled, the perimeter of the new rectangle is how many times bigger than the perimeter of the original square? please explain and show work.

    asked on July 16, 2014
  100. math

    One phone plan charges a $20 monthly fee and $0.08 per minute on every phone call made. Another phone plan charges a $12 monthly fee and $0.12 per minute on each call. After how many minutes is the charge the same for both plans? A.60 minutes B.90 minutes

    asked on July 14, 2014

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