Joan

Newest questions posted by Joan
  1. math

    imagine you & your friend entered a raffle. you bought 10 tickets and your friend bought 20 tickets. there were a total of 300 tickets sold for the raffle what is the probability of you or your friend winning?
  2. BUSINESS

    DESCRIBE THE CURRENT POLITICAL ISSUES DISCUSSED IN THE MEDIA OR NEWS OVE JANUARY AND FEBRUARY 2018
  3. Math

    What is the estimate of 3 5/6
  4. Riddle

    What come once in a moment, twice in a minute and never in a thousand years?
  5. Riddle

    Who makes it has no need for it. Who buys it has no use for it.who usesitcan neither see it or feel it. What is it?
  6. Riddle

    You are dead. In a room with two doors. One leads to heaven. One leads to Hell. Infront of each door stands a man. One man tells only the truth. The other only tells lies. You have one question to ask one of the men. What would that question be and to
  7. English

    I'm dead. I'm in a room with 2 doors. One goes to heaven the other goes to Hell. Infront of each door stands a man. One man can only tell the truth. The other can only tell lies. What question do I ask to get to heaven
  8. Math

    Huan is redesigning his bedroom, which is the shape of a rectangle. a Huan knows the area of his bedroom is 180 square feet. What are all the possible whole number dimensions of Huan’s bedroom?
  9. Math

    First Bank charges $4.50 per month for a basic checking account plus $0.15 for each check written. Citizen's Bank charges a flat fee of $9. How many checks would you have to write each month in order for the cost to be the same at both banks?
  10. stats homework

    the monthly demand for a certain product is a normal random variable with a mean of 50 and standard deviation 10 a) if you have 60 units on a stock at the beginning of the month, what is the probability you will still have stock remaining at the end of the
  11. economics

    Questions from Andreas Software Business A. How many software programs should Andrea sell to make the most profit? __________ What would her profit be? ___________ What is the marginal revenue for this number of programs? ____________ The marginal cost?
  12. thermodynamics

    the specific volume of water vapor at 150 kPa and 120 degree celsius is 1.188 cubic meter/kg. determine the molar-specific volume and the density of the water vapor.
  13. Math

    I have a 76 average in the class. We have one more test, and tests are weighted at 60%. What grade do I need to get to an 80?
  14. Grammar

    Some people of ancient times used cubits.
  15. Algebra

    How do you write the equation for this: Five less than twice a number is one.
  16. Algebra

    two airplane fly toward each other from points 900 miles apart, at the rate, per hour, of 300 miles and 250 miles. when will they meet if they start at the same instant?
  17. Math

    I need some help with this please. Find the height of a triangle where area=14 and base=4
  18. science

    1. A car slows down from 23 m/s to 14 m/s over a time period of 3 seconds. The car’s mass is 1330 kg. What is the car’s acceleration, momentum, and force.
  19. Statistics

    In a certain Math class, the probabilities have been empirically determined for various numbers of absentees on any given day. These values are shown in the table below. Find the expected number of absentees in a given day. Number of absentees, x 0 1 2 3 4
  20. Statistics

    . Two cards are drawn at random, without replacement, from a standard 52-card deck. Find the probability that: (a) both cards are the same color (b) the first card is a face card and the second card is black
  21. Maths- Calculus

    The region R bounded by y=e^-x and y=0 and lying to the right x=0 is rotated about the y-axis
  22. science (physics)

    A copper wire with cross sectional area 0.00030cm^2 is to be used in lifting a 100g object.How fast can the object be accelerated if the wire is to stretch not more than 0.10%? What i know is that first find the elongation & then that will help to find
  23. algebra

    a rectangular plot of farmland will be bounded on one side by a river and on the other sides by a single strand electric fence . with 800m of wire at your disposal,what is the largest are you can enclose, and what are its dimensions ?
  24. math

    A garden in the farm of a square, is surrounded by a path which is 1m wide on two opposite sides and 1/2m wide on the other two opposite sides. If the area of the path is 17msquared, calculate the : Perimeter of the garden Area of the space covered by the
  25. math

    1.352 pounds is what fraction of a short ton? A. 169/250 B.77/100 C. 2/4 D. 140/223
  26. english

    what is a run-on sentence?
  27. English

    Which is the group of words is a fragments sentence: A) After the store don't run around. B)After the store. C) Don't run around.
  28. English

    Pick which group of word below is a run-on sentence: A) Don't run around. B) After the store don't run around. C) After the store.
  29. Algebra 2

    Does this verbal phrase translate into the algebraic expression correctly? Five more than a number divided by four x/4+5
  30. math

    find the base and height of triangle in ratio 8to 5 and area is 320
  31. Business 318

    8. An open systems perspective places great significance on understanding the relationship between an organization and its __________. (Points : 1) personnel practices. internal resources. chain of command. capital structure. environment.
  32. Algebra 2

    How many arrangements are possible using the letters in the word FUZZY if each letter "Z" is distinctly different than the other? How many arrangements are possible if the letter "Z" is interchangeabe with the other? Explain your reasoning.
  33. Physics

    A particle moving along the x-axis has its velocity described by the function v =2t squared m/s, where t is in s. Its initial position is x = 2.8m at t = 0 s. At 2.7s , what is the particle's position?
  34. Physics- Horizontal Velocity

    How do you calculate the horizontal velocity of an object in a projectile problem?
  35. Math( Can you help me with starting this problem)

    How fast does the radius of a spherical soap bubble change when you blow air into it at the rate of 15 cubic centimeters per second? Our known rate is dv/dt , the change in volume with respect to time, which is 15 cubic centimeters per second. The rate we
  36. mathematics of investment

    A note for 9,000 dated August 12, 2002, is due on October 20, 2002 with simple interest at 9%. If the note is discounted on August 20, 2002 at 13%, how much the proceeds be?
  37. mathematics of investment

    Accumulate 3,200 for 2 years and 6 months at 5 1/2% simple discount.
  38. mathematics of investment

    Mark Lopez went to his bank to find out how long it will take for P10,000 to amount to P10,700 at 12% simple interest. Express answers in days.
  39. accounting 2

    if amores has the capital of 1,616,000 while andrada is to invest sufficient cash to give him a one-third interest in the partnership. how much andrada's capital?
  40. mathematics of investment

    on what day will 8,000 earn 180 interest when invested on April 25, 2002 at 9% simple interest? use ordinary interest and actual time.
  41. physics

    A steel ball of mass m=5 g is moving at a speed of 250 m/s toward a large mass M=2.2 kg which is connected to a relaxed spring, as shown below. When the ball reaches the large mass it collides and bounces off without losing any kinetic energy. The large
  42. Physics

    A crane is lowering two boxes downward at a constant velocity. The cable from the crane is attached directly to the upper box, m1, which has a mass of 95kg and a second cable hanging from the upper box supports the lower box, m2, which has a mass of 140kg.
  43. physics

    A ball on the end of a string is whirled around in a horizontal circle of radius 0.467 m. The plane of the circle is 1.24 m above the ground. The string breaks and the ball lands 2.49 m away from the point on the ground directly beneath the ball’s
  44. Algebra

    T-Riffic T shirts for a $20 design fee plus $8 charge per shirt printed, what is the algebraic rule?
  45. Chemistry

    How much energy(in calories)would it take to heat 13g of water 2 degrees Celsius?? 1.00cal/1g C = 13 x 2 = 26 Calories Is that right?
  46. Business Math

    Portion is found by _____ the rate times the base
  47. Business Math

    Base is found by __________ the portion by the rate
  48. Business Math

    Treadmill, cost is x, amount of markup $880.00, selling price of $2,335.00, what is percent markup based on cost?
  49. Business Math

    The Flower Power Bakery makes 200 cherry cheesecakes at a cost of $2.45 each. If a spoilage rate of 5% is anticipated, at what price should the cakes be sold to achieve a 40% markup based on cost?
  50. Business Math

    Carousel Toys has Romper Buckaroos, wooden rocking horses for toddlers, on a 30% markdown sale for $72.09. What was the original price before they were marked down?
  51. Business Math

    The Mills Lunch Shop prepares fresh take-out entrees each day. On Tuesday, 40 baked chicken dinners were prepared at a cost of $3.20 each. A 20% spoilage rate is anticipated. Mills Lunch Shop sells dinners at an 80% markup based on cost. They decided to
  52. Business Math

    Dylan's Bicycle Shop offers a new bicycle on sale for $259.92 after a 10% markdown. What was the cost of the bicycle to Dylan if the markup was 30% based on the cost? Round
  53. Business Math

    In October, a hardware store purchased snow shovels for $8 each. The original markup was 50% based on the selling price. In December the store had a sale and marked down the shovels by 20%. By January 1, the sale was over and the shovels were marked up to
  54. Business Math

    The Sweet Candy Shop buys 600 pounds of chocolate covered strawberries at $5.59 per pound. If a 10% spoilage rate is anticipated, at what price per pound should the strawberries be sold in order to achieve a 60% markup based on cost?
  55. Business Math

    Beacon electronics advertised a portable TV set on sale for $272.49 after a 35% markdown from the original price. What was the original price of the TV set? Round to nearest cent
  56. Math

    The Soft Step Floor Company purchases carpeting for $5.12 per sq. yard and marks it up 55% based on the selling price. What is the selling price per sq. yard? Round to nearest cent
  57. Math

    The quick plumbing supply sells a set of faucets for $79.95. if a 45% markup based on cost was used, what was the cost of the faucets to quick plumbing?
  58. Math

    A whole seller buys plastic lamps for $18 each and sells them for $30.60 What is the percent markup based on cost?
  59. math

    simply (ab) cubed/ (3a) squared * b
  60. math

    find the domain, range, y and x-intercept, vertical asymptote, maximum, minimum, one-to-one, and horizontal asymptote of: a. f(x)=x^2-6x+5 b. f(x)=x^2-6x+5 on domain [-1,6]
  61. algebra

    A gardener has 120 ft of fencing to fence in a rectangular garden. one side of the garden is bordered by a river and so it does not need any fencing. a. what dimensions would guarantee a garden with an area of 1350 ft ^2 b. what dimensions would guarantee
  62. Math

    A gardener has 120 ft of fencing to fence in a rectangular garden. one side of the garden is bordered by a river and so it does not need any fencing. 1. what dimensions would guarantee a garden with an area of 1350 ft^2? 2. What dimensions would guarantee
  63. stats

    If light bulbs have lives that are normally distributed with a mean of 2500 hours and a standard deviation of 500 hours, what percentage of light bulbs have a life less than 2500 hours? A) About 25% B) About 50% C) About 75% D) About 68%
  64. Chemistry Science

    calculate the mass of carbon dioxide that would be produced when one gas of tank of gasoline (use octane) is burned in the air. assume an 80 liter gas tank and 0.703 g/ml as the density of octane
  65. Algebra

    The vertex of a graph is (2,-2) is it a minimum, yes or no?
  66. Pre-Calculus

    Find a quadratic function f such that f(1)=3, f(2)=5/2, f(-1)=1 I came out with 3 a+b+c=3, 4a+2b+c=5/2, a-b+c=1. And I know that I should do synthetic division but I am stuck.
  67. Reiny and steve do this for me please

    1. Consider the functions f(x)=1/(x)+4 and g(x)=2/(x). Graph f and g on the same grid. a) Determine the points of intersection of the two functions. b) Show where f(x)
  68. chemistry calculations

    when 2.750 g of the oxide of lead is heated to a high temperature,it decomposes to produce 0.0640 g of oxygen gas and 2.686 g of some new lead oxide compound.How can you use this data to determine the formula of the new compound?
  69. Physics

    Children sled down a 45 m long hill inclined at 26 degrees. At the bottom, the slope levels out. If the coefficient of friction is 0.1, how far do the children slide on the level ground?
  70. Physics

    Children sled down a 45 m long hill inclined at 26 degrees. At the bottom, the slope levels out. If the coefficient of friction is 0.1, how far do the children slide on the level ground?
  71. mathematics

    Hi, I'm not sure if I'm giving the correct answer for this problem. The question states; The values of computers in the years after its purchase date are listed in the following table. Year 0=1500, Year1=1200, Year2=1100,Year3 +1000, Year 4 = 800, Year 5
  72. chemisty

    how many grams of sucrose must be dissolved in 1.5kg of water ot produce a solution which has a freezing point of -2.40 degrees C?
  73. geometry

    what is tan-1 3.5= to
  74. math

    find tan 30 degrees and tan 45 degrees using the 45-45-90 triangle therom and 30-60-90 triangle theorm
  75. science

    For a given area of land, the average rate of creep is 14 mm per year. How long will it take the area to move 1 m?
  76. hs geometry

    to find the height of a tree, a student 53 inches in height measures the length of the tree's shadow and the length of his own shadow. The student casts a shadow 63 inches in length and the tree casts a shadow 67 inches in length
  77. problem solving

    three digit odd number divisible by 9 digits in consecutive order and digit in hundreds place is greater than the digit in the ones place?
  78. Physics

    A car is traveling at 10 m/s. By what factor does the car's kinetic energy increase if its speed is doubled to 20 m/s?
  79. Physics

    A 17kg child slides down a 2.7m -high playground slide. She starts from rest, and her speed at the bottom is 1.8 m/s. What is the change in the thermal energy of the slide and the seat of her pants?
  80. PHYSICS 1 ..

    as she pick up her riders a bus driver traverses four successive displacements represented by the expression (-6.30 b)i-(4.00 b cos 40)i-(4.00 sin 40)j+(3.00 b cos 50)i-(3.00 b sin 50)j-(5.00 b)j here b represents one city block,a convenient unit of
  81. UNIVERSITY PHYSICS 1

    as she pick up her riders a bus driver traverses four successive displacements represented by the expression (-6.30 b)i-(4.00 b cos 40)i-(4.00 sin 40)j+(3.00 b cos 50)i-(3.00 b sin 50)j-(5.00 b)j here b represents one city block,a convenient unit of
  82. PHYSICS

    The cutting tool on a lathe is given two displacements, one of magnitude 4 cm and one of magnitude 3 cm, in each one of five situations (a) through (e) diagrammed in the figure below. Rank these situations according to the magnitude of the total
  83. PHYSICS

    while exploring a cave, a spelunker starts at the entrance and moves the following distances in a horizontal plane. she goes 75.0 m north, 250 m east, 125 m at an angle theta equal to 30.0 north of east, and 150 m south. find her resultant displacement
  84. PHYSICS

    while exploring a cave, a spelunker starts at the entrance and moves the following distances in a horizontal plane. she goes 75.o m north, 250 m east, 125 m at angle theta =30.0 north of east, and 150 m south. find her resultant displacement from the cave
  85. Physics

    Air molecules create an upward force that impacts the free fall of objects on the surface of the Earth, differing form the way an object would fall in vacuum. Question: What kind of objects should be used for experimentation if we want to limit the impact
  86. physics

    A car accelerates from 10.0 m/s to 30 m/s at a rate of 3.5 m/s2. How far does it travel while accelerating?
  87. chemistry question on fats

    . This experiment separates meat into an acetone-soluble part and an acetone-insoluble part. The calculations are based on the principal components of meat being fat (acetone soluble) and protein (acetone insoluble or fat-free meat in report sheet). More
  88. chem lab question

    1. This experiment separates meat into an acetone-soluble part and an acetone-insoluble part. The calculations are based on the principal components of meat being fat (acetone soluble) and protein (acetone insoluble or fat-free meat in report sheet). More
  89. world history

    Describe how Reconstruction was brought to an end by white terror and the Compromise of 1877. Had the process of Reconstruction been effective? Why, or why not?
  90. coding

    What is the difference between ICD-9-CM codes and MS-DRGs?
  91. Science

    An astronaut is walking in space and his jetpack runs out of fuel. How can he use his empty pack to get back to the space station?
  92. math

    solve for x 4(2x-1)= 2x+35
  93. health

    How can is the importance of health documentation on patient services can affect reimbursement ?
  94. Italy

    What are some famous restaurants and hotels in Italy? Could you tell me more about their history?
  95. trig

    when sin theta+cos theta=square root of 2,find the solution of sin^3 theta+cos^3 theta
  96. Chemistry

    How much distilled water must be added to .85% solution Of NaCL to make a 70% solution of NaCl
  97. physics

    How much heat is required in order to change 5 g of ice at -15 degree to steam at 150 degree?
  98. physics

    A 20 g sample of aluminum at 85 degree is dropped in 500g of water. The resulting temperature of aluminum and water is 25 degree. What is the initial temperature of water?
  99. physics

    A uniform steel chain 20 m long and with a mass of 5 kg per m, hangs vertically. Compute the work required to wind it up
  100. physics

    a 400 kg crate is to be lifted a height of 20 m in 30 s. Compute the work done and the power consumed in lifting the crate

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