1. math

    Mariela loves car races,so she buys a model of the winning car from a race she watched. On the box she sees that the length of yhe model is about 8.5 inches. She knows that the actual car is about 208 in. long and 72.5 in. wide. About how wide should the
  2. aig math(Ms.Sue)

    Your school librarian has asked your class for some help on the purchase of some new bookcases with 2 shelves each. She has 300 new books she needs to shelve. 1/2 of the books are half an inch thick. 1/3 of them are 1/4 of an inch thick, and the rest are
  3. Chemistry

    You have a tank of wine that needs a 20 ppm addition of SO2. Answer the following questions. 1. To make 5 gallons of a 6% w/v SO2 solution (expressed as SO2) how much K2S2O5 (222 g/mol) should be weighed out? 2. How much of this solution (in mLs) should be
  4. Math (pre Algebra)

    The perimeter of a rectangle picture frame is 30 inches. The length of the frame is three less than twice the width. What are the dimensions of the frame? I know that the perimeter is 30 in., the length is 2w-3, and the width is w, but I don't know what to
  5. math

    The larger circle has a radius that is 18 inches longer than the smaller circle. The larger circle has a circumference that is A pi feet larger then the smaller circle. find the value of a.
  6. psych

    Does the study in the article below use the experimental method or the correlation method and why? I'm stuck and keep going back and fourth on it Soccer Referees Hate the Tall Guys Many of soccer's greatest players have been small fries. Diego Maradona is
  7. physics

    1. If a steel rope and a nylon rope of equal lengths are to stretch by equal amounts when subjected to equal tensions, what must be the ratio of their distances? 2.A simple hand operated hydraulic press can generate a pressure of 6.0 X 10^9 N/m^2 . If the
  8. maths

    Michelle is making a scale drawing of a building. The scale for the drawing is 1 inch = 6 feet. The height of the building in the drawing is 7 1/4 inches. Determine the height of the actual building.
  9. math

    Let PSR be a triangle. Let A, B, C be the midpoints of the sides PS, PR and SR respectively. The following numbers 2,3,4 and 6 are lengths in inches of the three segments: AB, AC and BC and one of the sides of the given triangle PSR. Question: Which of the
  10. Math Help!!

    I have to do a scale drawing. The actual measurments of my room are 9 ft 6 inch* 10 ft. The scale that I am using for my scale drawing is 24 inches=1 inch. What will the dimensons of my room be in my sclae drawing? I don't know how to figure this out.
  11. math

    Brett made a scale drawing of a rectangular room in his house. The actual length of the room is 12 4/5 ft. The scale used to make the drawing was 1/4 in.=1 ft. What is the length, in inches, of the room on the drawing?
  12. Math

    Which hand has covered more distance from the 12 on a clock, the minute hand at 4:00 or the second hand at 15 seconds past? Write a fraction inequality to support your answer.
  13. math

    Yao Ming is 7 ft. & 6 inches in tall. The free throw line is 15 ft. from a point below the basketball ring. The height of the goals is 10 ft. If Yao Ming will shoot a free throw, what is the angle of depression from the basket ring to the top of the head
  14. Math 61 Algebra

    A person's hair length is proportional to the number of years it has been growing. After 2 years a person's hair grows 8 inches. The longest moustache on record was grown by Sain of India. Sain grew his moustache for 17 years. How long was each side of his
  15. Science

    Write a short essay in which you create an analogy to describe particle motion. Compare the movements and positions of people dancing with the motions of water molecules in liquid water and in water vapor.
  16. AP Stats

    Bolivian adult females are much shorter than US females although the standard deviation of their heights is about the same at 2.3 inches. Only 4.1% of Bolivian females are at least five feet tall. What is the mean height of adult Bolivian women assuming
  17. 3rd grade math

    water makes up 7/10 of your body. Is more than 1/2 of your body water? write a number sentence to compare 7/10 and 1/2. Explain
  18. MATH0098

    The length of a rectangle is 3ft more than twice its width, and the area of the rectangle is 54ft^2 . Find the dimensions of the rectangle. The other problem worked but how do you SOLVE it. I need to be able to do similar problems. I know the factors
  19. Physics (Elastic Collision)

    A 0.400 kg croquet ball makes an elastic head-on collision with a second ball initially at rest. The second ball moves off with half the original speed of the first ball. (a) What is the mass of the second ball? (b) What fraction of the original kinetic
  20. Geography

    I have to write a short essay for this topic: Compare and contrast the various sources of energy. This is what I have, but the only problem is I don't think this is comparing and contrasting. I'm just giving the facts out. Can someone please help me by
  21. Finance

    Until recently, Augean Cleaning Products sold its products on terms of net 60, with an average collection period of 75 days. In an attempt to induce customers to pay more promptly, it has changed its terms to 2/10, EOM, net 60. The initial effect of the
  22. math

    Big Question: To rationalize a fraction means to remove all non-rational numbers from the denominator of the fraction. Rationalise (a^2)/(3+√b^3) by multiplying the numerator and denominator by 3 − √b^3, and then evaluate if b = a^2 and a = 2. Show
  23. REACTION KINECTICS

    An alternative route to the production of propylene from propane would be through oxydehydrogenation At atmospheric pressure, what is the fraction of propane converted to propylene at 400, 500, and 600°C if equilibrium is reached at each temperature?
  24. Statistic

    I pick a. Is it correct? Which of the following measurements is likely to have the least variation (the smallest standard deviation)? a. The volume of liquid in a simple of unopened 2-liter bottles of sodas. b. The SAT scores of a class of graduating high
  25. math

    Of the trains that recently pulled into Clarksville Station, 55 were full and 22 had room for more passengers. What is the experimental probability that the next train to pull in will be full? Simplify your answer and write it as a fraction or whole
  26. math

    If the denominator of a fraction decreases by 20 percent, and the numerator increases by 20 percent, by what percentage does the value of the fraction change?
  27. Maths

    The numerator of a fraction is less than its denominator is increased by 9 and the numerator by 2,the fraction bcms two-third.find d fractn. Ans is 26/33
  28. chemistry

    calculate the water vapor pressure of benzene at 0.80, 0.60, 0,40, and 0.20 mole fraction and toluene at 0.20, 0.40, 0.60, and 0.80 mole fraction.
  29. Math

    The numerator of a fraction is less than its denominator is increased by 9 and the numerator by 2,the fraction bcms two-third.find d fractn. Ans is 26/33
  30. Algebra

    One can think of "a out of b" without actually removing the pieces. For example, one might think of the fraction of Xs in the diagram X X O O O as "two Xs out of five objects," in which case 2/5 of the objects are Xs. Can you apply this way of thinking to
  31. com 155

    Use at least five adverbs and five adjectives to write a brief review of a movie, sporting event, musical performance, or television show. · Bold each adverb. · Underline each adjective. · Compare the event to one or more similar events. When comparing,
  32. English ( Dr. Faustus and To Heaven)

    Write a compare/ contrast essay of Dr.Faustas and To Heaven in regards to one of these issues: grace, forgiveness, salvation, and damnation OR relationship of the individual to cosmic beings like God, Satan, and devils. My essay needs to be between 300 and
  33. axia college

    • Use at least five adverbs and five adjectives to write a brief review of a movie, sporting event, musical performance, or television show. • Bold each adverb. • Underline each adjective. Compare the event to one or more similar events. When
  34. Algebra

    The body mass index I can be used to determine an individuals risk for heart disease. An index less than 25 indicates low risk. the formula for body mass index is I=700w/H^. W=weight and H=height, Jeromine is 67 inches tall. What weights will keep his body
  35. chemistry

    a.Write the balanced chemical equation for the reaction of methane and sulfur. (Type your answer using the format CO2 for CO2. Use the lowest possible coefficients.) 1CH4 + 4S --> 1CS2 + 2H2S (b) Calculate the theoretical yield of carbon disulfide when
  36. algebra

    Consider all 3-term geometric sequences with first term 1 and with common ratio the square of an integer between 1 and 1000. How many of these 1000 geometric sequences have the property that the sum of the 3 terms is prime?
  37. Maths

    Consider all 3-term geometric sequences with first term 1 and with common ratio the square of an integer between 1 and 1000. How many of these 1000 geometric sequences have the property that the sum of the 3 terms is prime?
  38. Math

    1. Find the common ratio and the 7th term of the sequence 2/9, 2/3, 2, 6, 18, ..... 2. The 3rd and 5th terms of a geometric sequence are 2 and 1/2 respectively. What is the first term? 3. Find the geometric mean between: a. 1/2 and 1/3 b. sqrt5 - sqrt2
  39. L.A.-Check Answer

    According to "Life Without Gravity" why can astronauts' muscles become weak? a. Without gravity, the blood is rerouted from the legs to the head. b. Without gravity, the body "grows" as much as several inches. c. Without gravity, eating is difficult, so
  40. middle school math

    If the numerator and the denominator of a proper fraction are increased by the same amount, is the new fraction greater than, equal to, or less than the original fraction? Is this correct... it would be equal to because you are increasing both the
  41. math

    Georgia works at the Yogurt Shoppe. She is able to scoop yogurt into perfectly round scoops that have a radius of 6 cm. If Mary buys a triple scoop of yogurt in a cup, how much yogurt will Georgia give Mary? Use 3.14 for π and round answer to the nearest
  42. raiots and perimeter

    you have to figures that are similar, large one is 28yds, and the smaller one is 8yds. give the ratio of the perimeter and the ratio of the areas of the larger figure to the small one. Can someone please help not just answer but explain
  43. Math

    123 Inc has a profit margin of 15%. Its total asset turnover ratio is 2 and its dividend payout ratio is 60%. What is the company's internal growth rate? Please show steps
  44. Language Arts

    How do I start a compare and contrast essay? I am doing a compare & contrast essay on Tatooine and Mordor and i'm not sure what to put in the first sentence. Could I please have some ideas or examples? Thanks.
  45. Math

    This box plot shows the heights in inches of girls on a freshman basketball team. What would you say is a typical height of a team member? I can't show the box plot on here, but I would like to know what a "typical height" is. Like is this asking for an
  46. maths.augusco

    720 apples is shared in the ratio 1/5 3/10 7/1 what is the ratio of each
  47. math

    if the ratio of the diameters of two spheres is A to B then what is the ratio of their volumes
  48. Algebra question

    If the ratio of a to b is equal to the ratio of b to a, what can you say about the two numbers a and b? Are they the same or different? What are some some examples of this?
  49. MATH

    WHAT NUMBER MUST BE ADDED TO EACH TERM OF THE RATIO 11:15 SO THAT IT BECOMES THE RATIO 7:8
  50. chemistry

    which of the following would be expected to have the lowest freezing temperature? a. .1 M Ca(NO3)2 b. .1 M NaC2H3O2 c. .1 M CuSO4 d. .1 M HC2H3O2 e. .1 M C2H5OH Here is what you do Mary. delta T = Kb*i*m Kb is the same for all. m is the same for all. i is
  51. English

    Can you please tell me which of the following alternatives are possible? 1) Which is the lowest mark a student can be given in the USA? (I really need to know the answer to this question). 2) If I catch you cheating, I'll give you the lowest possible (?)
  52. Physics!

    Ms. Anderson shoots an arrow straight up into the air. The arrow leaves her bow at 1.2[m] above ground, and reaches a height of 95 feet above ground. It then falls down and penetrates 14 inches into the ground. Find: a) The velocity of the arrow just
  53. Physics

    Mr. Anderson shoots an arrow straight up into the air. The arrow leaves her bow at 1.2[m] above ground, and reaches a height of 95 feet above ground. It then falls down and penetrates 14 inches into the ground. Find: a) The velocity of the arrow just
  54. PHYSICS

    Ms. Anderson shoots an arrow straight up into the air. The arrow leaves her bow at 1.2[m] above ground, and reaches a height of 95 feet above ground. It then falls down and penetrates 14 inches into the ground. Find: a) The velocity of the arrow just
  55. chemistry

    . Compound C (MW = 550) is provided at a concentration of 25g/100mL. 1mL is taken and compound D is to be added (MW = 1025, concentration = 75mM) to give a final ratio of compound C:D of 4:1 moles ratio. What volume of compound D is to be added? ***Dr
  56. Computer Science - MATLAB

    One interesting property of a Fibonacci sequence is that the ratio of the values of adjacent members of the sequence approach a number called “the golden ratio” or PHI. Create a program that accepts the first two numbers of a Fibonacci sequence as a
  57. chem

    Because the oxide ion is basic, metal oxides react readily with acids. (a) Write the net ionic equation for the following reaction. (Use the lowest possible coefficients. Include states-of-matter under SATP conditions in your answer.) FeO(s) + 2 HClO4(aq)
  58. Chemistry

    In a reaction vessel, 500. mL of 0.100 M Na3PO4(aq) is combined with 200. mL of 0.400 M Pb(NO3)2(aq). (a) Write the molecular equation for the reaction that occurs. Balance the equation using lowest whole numbers and be sure to include states. (b) Identify
  59. math

    Keith is wrapping ribbon around a cylindrical vase he will need additional ribbon to make a bow the vase has a volume of 602.88 cubic inches the bow requires 3 feet of ribbon to the nearest inch what is the least amount of ribbon including the bow does
  60. calculus

    A ladder 13 feet long is leaning against the side of a building. If the foot of the ladder is pulled away from the building at a constant rate of 8 inches per second, how fast is the area of the triangle formed by the ladder, the building, and the ground
  61. chemistry

    At 500 K in the presence of a copper surface, ethanol decomposesaccording to the following equation. C2H5OH(g) CH3CHO(g) + H2(g) The pressure of C2H5OH was measured as afunction of time and the following data were obtained. Time (s) PC2H5OH(torr) 0 250.
  62. music

    what is the lowest ladis voice what is the lowest ladies voice? Ladies - high = soprano Ladies - low = alto Men - high = tenor Men - low = bass =) Those are the basics. I think there are more, but maybe someone else knows the exact names. =)
  63. Math

    The highest point in NewOrleans, Louisiana is 15 feet above sea level.The Lowest Pont is 4 feet below sea level. Howmuch higher is the highest point than the lowest point ? How would you explanin this? Whats the Answer
  64. math

    1. change to improper fraction: 9 5/9 2. change to improper fraction: 6 23/39 3. change the improper fraction to a whole number:115/20 4. multiply 4 3/4 x 1 1/7 5,subtract- 20 11/15- 17 1/3 6 2(-6)(-8)(0)(-5): multiply 7. solve for the variable: 0.1p=7
  65. Probability

    1. Jamal writes the letters K-A-N-S-A-S on cards and then places the cards in a hat. What is the probability of picking an N? (1 point) one-sixth start fraction 1 over 5 end fraction Start Fraction 5 over 1 End Fraction The fraction is 6 over 1. 2. Justin
  66. Algebra

    I think I have the correct equation, but can someone please double check and tell me if I am correct. Scenario: Suppose that the width of a rectangle is 5 inches shorter than the length, and that the perimeter of the rectangle is 50. Question: Set up an
  67. math

    a pool in the shape of a circle measures 10 feet across. One cubic yard of concrete is used to create a circular border of uniform width around the pool. If the border is to have a depth of 3 inches, how wide will the border be (1 cubic yard=27 cubic feet)
  68. Math: Trig

    Help with vectors, please. Thanks 1) Express point in rectangular form. Give EXACT answer, if possible? (2, 4π /11) 2) Given P = (2. -3) and Q = (-3, -4). find the component form of vector PQ 3) The vector v has a magnitude of 25 inches and a direction of
  69. medicine

    What is a quality-adjusted life year? How can it be used to compare differences in health status between someone who is healthy and someone who is not? Can it be used to compare health outcomes of someone who is ill with someone who has died? Indicate at
  70. Math

    1. What is the tenth term of the geometric sequence whose first term (a1) is 16 and the common ratio (r) is –½? 2. Given the terms a10 = 3 / 512 and a15 = 3 / 16384 of a geometric sequence, find the exact value of the first term of the sequence.
  71. college

    Write a 350-700 word response, in which you choose two or three Eastern philosophies and describe how they compare. Take sides, determine which philosophies are most persuasive, and explain why. Reading should be reflected in the response.
  72. Calculus,math

    Constuct a rectangular box with a square base that holds a given volume V0 cm^3.? The cost of the material for the sides is 1 cent per cm^2, while the top and bottom costs 3 cents per cm^2. Find, in terms of V0, the dimensions of the box that will minimize
  73. geometry

    concrete can be purchased by the cubic yard. how much will it cost to pour a slab 17 feet by 17 feet by 2 inches for a patio of the concrete cost $ 40 per cubic yard
  74. Math

    Matt who stands at 68 inches tall casts an 8 foot shadow at the same time a pear tree casts a 21 foot shadow. How tall is the tree?
  75. Math

    1. What is a reasonable distance between two cities? • 200 km
  76. Math

    Charlie is making a toy silo for his children. The silos height is three times it's radius. He is also adding a dome shaped top that is a half sphere. If the total surface area of the silo, when assembled is 100 square inches , what is the height of the
  77. Math

    A 25ft ladder leans up against the side of a house, with the base of the ladder a distance 3ft from the wall. If the ladder is moved out by 5ft, how far down the wall will the top of the ladder move?
  78. Geometry

    If a rotating water sprinkler is set so spray water out at a radius of 40 feet around a circular revolution of 120 degrees, what is the area of the lawn that the water from the sprinkler would then cover? Round to the nearest tenth 533.3ft?
  79. Math

    Find the volume of a triangular prim with the following dimensions round to the nearest whole number. Triangle base: 5ft triangle height:3ft prism height: 7.5ft
  80. Math

    Find the volume of a triangular prim with the following dimensions round to the nearest whole number. Triangle base: 5ft triangle height:3ft prism height: 7.5ft
  81. math

    The length of a rectangle is 5 in. more than twice its width.? How do I find the width of the rectangle. The length = (2 x width) + 5 inches. Do you have any other information about the rectangle such as the area or the perimeter. I don't think there is
  82. math,correction

    is this correct Find the constant term that should be added to make the following expression a perfect square trinomial x^2 + 7x My answer that i got was 12.25 Take half of seven, square it. 7/2 squared is 49/4. You are right. should i leave it as a
  83. Chemistry

    A solution contains 40.0 g of sodium chloride and 200.0 g of water. Calculate the NaCl concentration as a a) mass percentage, b) molality, c) mole fraction. I have trouble finding mole fraction. I believe I've got the other two, but I'm not 100% sure.
  84. economics

    The owner-manager of Good Guys Enterprises obtains utility from income (profit) and from having the firms behave in a socially conscious manner, such as making charitable contributions or civic expenditures. Can you set up the problem and derive the
  85. math trigo

    alfa+bita = thita & tan x ratio tan y= x ratio y then prove that sin alfa- bita = x- y ratio x+y sinthita
  86. math

    The ratio of children to adults in a room is 2:5.Amonst the adults,the ratio of men to women is 3:4.Find the ratio of children to men.
  87. math

    The concrete for a sidewalk is being poured outside the perimeter of a new subdivision, which is a 280 ft. by 720 ft. rectangle. The building code requires that the sidewalk be 5 feet wide and 8 inches deep. How many cubic yards of concrete will need to be
  88. Math

    Let f(x) be a polynomial such that f(cos theta) = cos(4 theta) for all theta. Find f(x). (This is essentially the same as finding cos(4 theta) in terms of cos theta; we structure the problem this way so that you can answer as a polynomial. Be sure to write
  89. Managerial Econ 2

    1)The chief economist for Argus Corporation, a large appliance mfg., estimated the firm’s short-run cost function for vacuum cleaners using an average variable cost function of the form: 3 AVC = a + bQ + cQ Where AVC = dollars per vacuum cleaner and Q =
  90. Maths

    the points A,B,C and D lie on a straight line. The ratio of the length of AB to the length of BC is 3:4 and the ratio of the length of AC to the length of CD is 2:1. Find the ratio of the length of BC to the length of AD ?
  91. math

    Please check my answers and make sure there right. Joe had a total of 8 slices of pizza he gave jack 3 slices what is the ratio of total slices to slices eaten? A. 8 to 3****** B. 3 to 8 C. 4 to 9 D. 16 to 6 Read the question above what is the fraction of
  92. Math

    1.What is the volume of the figure above if a = 6 units and b = 9 units? A. 1,620 cubic units B. 540 cubic units C. 324 cubic units D. 342 cubic units 2.Susan is building a cage for her rabbit and started by making the supports for the cage as shown below,
  93. coulomb law and gauss law Physics

    Two negative particles of charge=-Q and mass=rn orbits a stationary, positive particle of charge=+2Q at a radius= R' They are always at diametrically opposite points on the orbit. a. Find the total inward Coulomb force on one negative particle. b. Write
  94. math

    The area A equals = πr^2 of a circular oil spill changes with the radius. At what rate does the area change with respect to the radius when r equals= 3ft? This is 9pie right? not 6pie?
  95. math

    You are reducing a map of dimensions 2ft by 3ft to fit to a piece of paper 8in by 10in. What are the dimensions of the largest possible map that can fit on the page?
  96. College Geometry

    A circular grassy region with a 12 ft diameter has a 2ft by 3ft reflecting pool in its center. What is the Surface Area of the reflecting pool? What is the Area if the grass?
  97. math

    You are reducing a map of dimensions 2ft by 3ft to fit to a piece of paper 8in by 10in. What are the dimensions of the largest possible map that can fit on the page?
  98. Physics

    The second hand and the minute hand on one type of clock are the same length L. -------------------------------------------------------------------------------- (a) What is the period Tsecond of the motion of the second hand? (_) The period is 10 seconds.
  99. Math Help Please ASAP Connections

    Write a ratio and a percent for the shaded area. a 6 x 6 grid with 12 shaded cells. a. 3/10, 27% b. 1/2, 50% c. 1/3, 33.33% d. 3/10, 30% Please help Lesson 11 Connections Academy Percents Unit Test im stuck
  100. Math Help! ASAP!

    2. Write a ratio for the situation in three ways comparing the first quantity to the second quantity. In union City, about one in every three homes has two cars A. 5 to 2, 5:2, 5/2 B. 1 to 3, 1:3, 1/3 C. 5 to 3, 5:3, 5/3 D. 3 to 2, 3:2, 3/2 I picked D. I