JT

Newest questions posted by JT
  1. Physics

    A 50-kg soccer player jumps vertically upwards and heads the 0.45-kg ball as it is descending vertically with a speed of 30 m/s. (a) If the player was moving upward with a speed of 4.0 m/s just before impact, what will be the speed of the ball immediately
  2. College math-please help

    find the absolute change between the closing for the Dow Jones ind. average between Jan. 27 - 20,093.78 and Nov. 21 of 23,590.83 round to the hundredths of a point. and round to the nearest 0.01%. thank you.
  3. math

    If Dow Jones closes at 20,093.78 in Jan. and in Nov. if closes at 23,590.83, what is the absolute change between the closing figures and what is the relative change between the closing figures?
  4. Math

    after 30 seconds, there are 14 gallons of water left in the tub. One minute after you pull the plug, there are 9 gallons left. assume that the numbers of gallons varies linearly with the time since the plug was pulled. what are the two ordered pairs and
  5. math

    you have a bond original value was $100 paying 8.5% interest compounded annually and was 100 years old. what amount is that now owed on this bond to you.
  6. APY-math

    find the annual percentage yield (to the nearest 0.01%). a bank offers an APR of 3.1% compounded daily.
  7. graphing

    a union charges each employee a one-time $100 initiation fee plus $25.00 union dues eachh month. my equation for the function is y=$25 x + 100. how do i graph the function for the domain of 0 months to 12 months. please help
  8. math

    a union charges each employee a one time $100 initiation fee plus $25 union dues each month. my equation for the function is y=$25 x + $100. how do I graph this over a 12 months.
  9. math

    the cost of a banquet is $95.00 plus $15.00 for each person attending. write an equation that gives total cost as a function of the number of people attending. what is the cost for 77 people?
  10. Math

    the population of a city of 750,000 people is devastated by an unknown virus that kills 20% of the population per day. how many people are left after a week? write the exponential equation to the situation.
  11. Math

    the population of a city of 750,000 us devastated by an unknown virus that kills 20% of the population per day. The use the equation to find: how many people are left after a week. write the exponential equation to solve and use what each variable
  12. math

    in 2001 it was estimated that 189 kg of plutonuim still remained. the half life of this plutonuim is 24,000 years. how much will be present in 24,000 years from 2001? please help
  13. math

    the current population of a threatened animal species is 1 million, but it is declining with a half-life of 20 years. how many animals will be left in 60 years?
  14. math

    the half-life of a certain drug in the bloodstream is 4 hours. what fraction of the original drug dose remains in 24 hours?
  15. Math

    if salary increased by 10% last year and then 8% this year. and original salary was $50,000 per year. what is present salary since he has received the two raises? find the relative change between his original salary and his present salary. overall his
  16. Math

    you have exactly $50.00 to spend on taxable groceries. they charge 4.3% sales tax on food. What is the most you can spend on food, pre-tax?
  17. Math

    Draw a circle with 5cm radius. Inscribe a triangle with side ratio 5:6:7 in it.
  18. Math! Help Hurry!

    A chest shaped as a rectangular prism can hold 576 wooden cube blocks with edge lengths of 1/4 ft. What is the volume of the chest?
  19. Math! Help Hurry!

    Tasha has foam blocks stored in a box that measures 3 1/4 ft long by 3 ft wide by 1 ft tall. Each foam block is a cube with 1/4 ft edge length. How many blocks can fit into the box? A)156 B)312 C) 624 D) 2496
  20. Math! Help Hurry!

    A prism is completely filled with 96 cubes that have edge length of 1/2 cm. What is the volume of the prism?
  21. Math! Help Hurry!

    A rectangular prism has a length of 8 in., a width of 4 in., and a height of 2 1/4 in. The prism is filled with cubes that have edge lengths of 1/4 in. How many cubes are needed to fill the rectangular prism?
  22. Math and Hurry Please!

    A prism is completely filled with 2304 cubes that have edge length of 1/4 cm What is the volume of the prism?
  23. Math! Help Hurry!

    Two vertices of a right triangle have the coordinates (−2, 5) and (9, 5) . What is the length of the side formed by these vertices?
  24. ELA AND HELP!!!!!!

    Which word should be capitalized in the sentence below? Will your wife be joining us on the tour of the district courthouse, judge? A) judge B) wife C) district D) courthouse I think the answer is d.
  25. Science

    Which of these is found inside the solar system? A) Moon B) Nebula C) Galaxy D) Black hole
  26. Science and Hurry!

    The Gulf Stream current shown here makes the waters of the North Atlantic A) warmer. B) cooler. C) more dense. D) less nutrient rich.
  27. Science and Hurry!

    How do ocean currents influence the climate of a place? A) They transport heat over large distances, affecting the wind that blows over the land. B) They bring cold water from the poles, reducing the temperatures along the coasts. C) They draw out moisture
  28. Science and Hurry!

    What causes land breeze and sea breeze? A) The differential heating of land and sea by the Sun results in the movement of air. B) Hot air from the sea blows over the land because there is a high pressure area over the sea. C) Cold air blows from the land
  29. Math and Please Help!

    According to the distributive property, 6 (5 + 3) = A) 6 (5 + 3) B) 6 (3 + 5) C) 6 × 5 + 3 D) 6 × 5 + 6 × 3 I think it might be b.
  30. Math and Please Help!

    Jade is painting a rectangular wall. The wall is 4 1/4 yd long and 2 2/3 yd high. The formula for the area of a rectangle is A=bh. What is the area of the wall? I think the answer is 11 and one thirds.
  31. Science!

    What changes would a cold front bring to a warm, dry area? A)extended period of rain B)several gray skies C)dry and asunny skies D)rain or thunderstorms I think it is either a or d but I am leaning more to a, so please help!
  32. ELA and Please Hurry!!!!

    Not only is the race special because it takes place on a special day, but it also has a rich, over three-decade tradition. While the Boston Marathon can declare it is the oldest road race in America, few 10K’s can claim they’ve been around longer than
  33. Principles of economics

    Differentiate between Public and Private goods. Make sure you state their characteristics and substantiate your answer with examples in each case.
  34. Physics

    1.) jet plane traveling 1800 km/h (500 m/s) pulls out of a dive by moving in an arc of radius 6.00 km. What is the plane's acceleration in g's? 6.) A child on a merry -go-round is moving with a speed of 1.35 m/s when 1.20 m from the center of the
  35. Maths

    If events A and B are such that they are independent and p (a) = 0.3 and p(b) = 0.5 Find p (a n b) and p (a u b)
  36. Statistics

    The melting point of gold is known to be approximately 1,060 degrees centigrade. This is, of course, an average figure, for unavoidable ‘experimental error’ causes more or less variation from this figure whenever the test is actually performed. The
  37. calculus

    The graph of a function f is shown. Use the differential equation and the given point to find an equation of the function. dy/dx=4x+(9x^2/(3x^3+1)^(3/2)) and the point (0,2) using the substitution method of integration.
  38. math

    Joan is 'y' years old. Her father is 4 times as old as she is and 28 years older than her brother. A-Find in terms of y, the age of Joan's brother. B- If 'y' =12, how old is her brother?
  39. math

    what other shapes can form with 24 metres
  40. math

    How many rectangles can you make with 24 metres
  41. physics

    While taking a rest on a tree branch, a daring cowboy sees a wild horse running towards the tree he was on. he wants to land on the horses back when it passes under the tree. if the horse is running at a constant velocity of about 2 m/s and the vertical
  42. physics

    a contestant projects a coin with a speed of 7 m/s at an angleof 60 degrees to the horizontal. When the coin leaves his hand, the horizontal distance between the coin and the dish is 2.8m. The coin lands in the dish. calculate the horizontal component of
  43. math pre calc

    solve for X marticies 2 0 5 4 -1 3 =2 6 x -7
  44. math pre calc

    gaussian elimination x+Y+Z=-2 X-y+5z+22 5x+y+z=-22
  45. math pre calc

    at the pittsburch zoo, children ride a train for 25 cents, adults pay $1 and seniors pay .75. on a given day, 1400 passengers paid a total of $740 for the rides. there were 250 more children riders than adults and senior riders combined.find the nu,ber of
  46. Advanced Alegebra

    How do I solve the following problems? My homework was to correct a puiz that I failed, but I do not know how to solve these problems..please help! Solving systems of equations using elimination: 7.) 10x - 10y = 0 5x - 4y = 8 Answer (8,8) I got the right
  47. statisitcs

    suppose you got 75 items corrct on a 100-item, six alternative, multiple-choice exam what would your score be after we corrected for guessing?
  48. algebra 2

    how can you tell when y is a function of x on a graph
  49. algebra 2

    If f(x) = int(x), find the given functional value. 1. f(-9.1)
  50. Physics

    Two objects are connected by a light string that passes over a frictionless pulley, and two objects are on either side of the string. There is a hanging object off the vertical side of the incline weighing 10.0 kg. The 3.50 kg object lies on a smooth
  51. algebra

    how would I simplify 1089b^7t^5/891t^2b?
  52. psy

    Explain the biological, emotional, cognitive, and behavioral components of postpartum depression
  53. physics

    If the back of the truck is 1.5 {\rm m} above the ground and the ramp is inclined at 24{\rm ^{\circ}}, how much time do the workers have to get to the piano before it reaches the bottom of the ramp?
  54. MicroEconomic

    Strictly speaking, perfect competition has never existed and probably never will. Then why study it?
  55. Physics

    A car moves from a point located 26.0 m from the origin and at an angle of 35.0° from the x-axis to a point located 56.0 m from the origin and at an angle of 60.0° from the x-axis in 2.50 s. What is the magnitude of the average velocity of the car?
  56. 3rd grade

    There are 32 more apples than oranges at a fruit stand. How many apples and oranges could there be?
  57. Physics Please Answer

    1. to make a secure fit, rivets that are larger than the rivet hole are often used and the rivet is cooled (usually in dry ice) before it is placed in the hole. a steel rivet 1.871 cm in diameter is to be placed in a hole 1.869 cm in diameter at 20 degree
  58. PHYSICS

    1. to make a secure fit, rivets that are larger than the rivet hole are often used and the rivet is cooled (usually in dry ice) before it is placed in the hole. a steel rivet 1.871 cm in diameter is to be placed in a hole 1.869 cm in diameter at 20 degree
  59. PHYSICSSS!

    A brass lid screws tightly onto a glass jar at 20 oC. To help open the jar, it can be placed into a bath of hot water. After this treatment, the temperature of the lid and the jar are both 60 oC. The inside diameter of the lid is 8.0 cm at 20 oC. Find the
  60. STATISTICS

    Can a ANOVA be compared to a blood test?
  61. English

    Which passage is correctly punctuated? a)In the middle if the night. My cat leaped onto mt stomach. b)In the middle if the night, my cat leaped onto mt stomach. c)In the middle if the night; my cat leaped onto mt stomach. d) My cat leaped onto mt stomach.
  62. English

    Choose the sentence below that has no errors in pronoun case. a) Sharon and him dtive to Las Vegas at least once a year. b)For Nancy and he, the movie was a boring waste of time. c)Our neighbor made a casserole for Chad and me. d)Nick said that he would
  63. English

    Which of the following word groups is punctuated correctly? a)It rained every day of our vacation nevertheless, we had a wonderful time. b)It rained every day of our vacation, nevertheless, we had a wonderful time. c)It rained every day of our vacation,
  64. Algebra

    Why are these algebraic expressions used and explain the logical error: Since a = b, then a2 = a * b Subtract b2 from both sides a2 – b2 = a * b – b2 Factor both sides: ( a + b )( a – b ) = b(a – b ) Divide both sides by ( a – b) ( a + b ) = b
  65. Algebra

    explain the logical error Square both sides to get a2 = b2
  66. Algebra

    Find logical error a2 = b * b
  67. algebra

    8a^2 + 40ab+ 50b^2 = 2(4a^2 +20ab +25b^2) = 2(2a + 5b)^2 How is this a perfect square?
  68. Algebra

    Are these complete? m^2 + 4mn +4n^2 = (m + 2n)(m+2n) 3x^3y^2 – 3x^2y^2 + 3xy^2 = 3xy(x^2y – xy + y) Thank you
  69. Algebra

    3m^3 + 27m = 3m(m^2 + 9) = 3m(m + 3)(m – 3) I miss something? is this complete?
  70. Algebra

    Factor polynomial completely 8a^2 + 40ab+ 50b^2 =
  71. Algebra

    Factor polynomial completely 8a^2 + 40ab+ 50b^2 =
  72. Algebra

    3m^3 + 27m = 3m(m^2 + 9) = 3m(m + 3)(m – 3) its is not done? is this a cubeproblem?
  73. Algebra

    3m^3 + 27m = 3m(m^2 + 9) = 3m(m + 3)(m – 3)
  74. Algebra

    8a^2 + 40ab+ 50b^2 =
  75. algebra

    a^2 + 2a -24
  76. Algebra

    Factor polynomial completely ax - 2a - 5x +10
  77. Algebra

    Solve equation 2x^2 + 5x –12 = 0
  78. algebra

    w^3 + 5w^2 - w = 5
  79. algebra

    Solve the equation (x-3)^2+(x+2)^2=17
  80. algebra

    Solve the equation (x-3)^2+(x+2)^=17
  81. algebra

    2x^2+5x-12=0
  82. Algebra

    The perimeter of this rectangular portion needs to be 14 yards and the diagonal is 5 yards. Can you help Mike determine the length and width of this new portion? Mike requested that you show him how you arrive at the answers.
  83. Algerbra

    JT has $16000 saved. In 2years time his investment grew to $250 00. Can you find the annual interest rate of his return by solving the following equation for him: 16000(1 + x)2 = 25000
  84. math

    a road crew has 3/4 ton of stone to divide evenly among four sidewalks. How much stone does the crew use for each sidewalk?
  85. 7th grade

    I have to write two paragraphs discussing the problem of winning support from other nations for the Patriot cause during the Revolutionary War. I don't know what the problem was. The French Spanish & Germans were eager to fight against the Engilish.
  86. Math

    Students at ACC must earn 90 credits to obtain an Associate’s degree. Three students find that they all have a GPA of 3.3 even though they do not have the same number of credits. The students hope to increase their GPAs to a 3.8 by the time they have
  87. algebra

    Can you help me to find the product of -4x^2 and x^3 + 2x^2 - 5x + 3... and the solution to the equation of x^2 + 30x = 1000...I came up with -20 and 50 but I think it is wrong also can you help me to do the factorization of 6x^2 - 2x -20....Thank You
  88. 8th grade

    can u help me to find the product of -4x^2 and x^3 + 2x^2 - 5x + 3 and the solution to the equation of x^2 + 30x = 1000...I came up with -20 and 50 but i don't think it is right..can u help also can you help me to do the factorization of 6x^2 - 2x -
  89. Science

    How does the use of antibiotics result in the evolution of resistant stains of bacteria.
  90. statistics...Please help

    A sample of 12 measurements has a mean of 24 and a standard deviation of 4.5. Suppose that the sample is enlarged to 14 measurements, by including two additional measurements having a common value of 24 each. Find the standard deviation of the sample of 14