Newest questions posted by Ty

    I have no freaking Idea on how to do this 4) R {1,2,3,4,7} T{3,5,6,7} What is the intersection of R & T? 5) What are the subsets of {-2,-1}?
  2. math

    21. Your class hopes to collect at least 415 cans of food for the annual food drive. There were 99 cans donated the first week and 112 more the second week. Write an inequality that describes this situation. Let c represent the number of cans of food that
  3. math

    I need some help with this.. The swim team is selling key chains as a fundraiser. If its goal is to raise at least $180, how many key chains must it sell at $1.50 each to meet that goal? Write and solve an inequality.
  4. Math

    Bill cut a piece of cloth into 2 pieces. The length of the shorter piece is 5/9 of the longer piece. A find the ratio of the length of the longer piece to the length of the shorter piece to the total length. B if the longer piece is 148.6cm longer than the
  5. chem

    what would the equation for this reaction be?; KAL(SO4)2.12H2O crystallizes out when water is cooled enough to cause the soluble ions to coalesce and precipitate out of solution.
  6. algebra

    find the zeros: x^2 - 2x + 8
  7. Chemistry

    How much does 1.0 ft^3 of mercury weigh given the density of mercury is 13.6 g/ml?
  8. Algebra

    A taxi cab charges $0.55 per mile in addition to a $1.75 flat rate fee. Susie has $10 to spend on a taxi cab ride. The taxi driver will not give anyone a ride unless they are going somewhere that is more than 2 miles away. Model Susie’s situation with a
  9. Algebra

    the sum of 4 times one number and 3 times a second number is 64. If the sum of the two numbers in 19, find the two new numbers
  10. Math

    14 cm piece of tape is cut into two pieces. The shorter piece is 2/5 as long as the longer one. which is the length of the shorter piece.
  11. calculus

    12. (1 point) The height y (in feet) of a ball thrown by a child is y = − 1 16 x 2 +4x+5 where x is the horizontal distance in feet from the point at which the ball is thrown. (a) How high is the ball when it leaves the child’s hand? (b) What is
  12. Geometry

    Find mAD if CA is a diameter of circle P
  13. Math

    The perimeter of an isosceles triangle is four times the length of the shortest side. The longer sides are 4.5 feet longer than the shortest side. What is the length of each side of the triangle?
  14. science

    calculate delta E & delta H when 100dm^2 of helium at S.T.P are heated to 373k in a closed container. assuming that the gas behaves ideally and CV=12.55g/mol
  15. math

    i'm supposed to find an area of a figure but i'm not sure what it is so therefore i don't know the formula. basically, it kind of looks like a capsule but more roundish like an oval. there's two lines down the middle that both measure at 18 ft. the bottom
  16. Math

    A mixture of peanuts and walnuts sells for $3 per pound. How many pounds of peanuts at $1.50 per pound should be mixed with 12 pounds of walnuts at $4 per pound
  17. Geometry

    An unsharpened pencil is a regular hexagonal prism of wood with a cylinder of graphite in the middle. The hexagon has a side of 4mm. The graphite is 2mm in diameter. The pencil is 180 mm long. Determine the volume of wood in the pencil.
  18. math

    Children are usually ready to understand the concept of length measurement if:
  19. math

    at this rate how many trucks would pass Luann if 90 vechicles passed her
  20. physics

    a cyclist does work at the rate of 500w while riding. how much force does her foot push with, when she is traveling at 8.0 m/s?
  21. math

    14.2 is 35.5% of what number? 3/4 is 60% of what number? What number is 25% of 7/8?
  22. math

    A truck driver drive 49 miles in 1 1/3 hours. What was the average speed in miles per hour for this trip? Write the answer as a mixed fraction.
  23. Math

    Please solve: t/2 + t/6 = 2.
  24. algebra

    Layla wants to buy fish, chicken or some of each. The fish cost $4 per pound and the chicken cost $3 per pound. She will spend at least $11 no more that $15. What is the system of inequalities to model this is situation
  25. Math

    Lions spend about 5/6 of their days sleeping. How many hours a day does a lion sleep?
  26. chemistry

    What is the theoretical yield of H[2]O (in grams) if 8.3 mol H[2]S were consumed in the above reaction? If 137.1g of water was actually collected after the reaction, what is the percent yield? I have no idea to do this problem. I am not good in math at all
  27. writing

    She forcefully _______ her view that something needs to be done to reduce crime in the city in front of city council. A. asserted B. snarled C. murmured D. commented
  28. Math

    A girl's club is selling hats to raise money. They ordered 500 hats that cost$5.15 each. They will sell the hats for $18.50 each. All the hats were sold. How do you find the amount of money the club made after expenses?
  29. Math

    A factory whistle blows every 30 minutes. The clock tower chimes every 15 minutes. If they both sounded at 1:00 p.m., at what time will you hear them both at the same time again?
  30. math

    Franco hikes 4 miles each day for 5 days. He carries 100 ounces of water with him. It takes him 1 hour to hike 4 miles. How many hours did he hike in 5 days?
  31. Math proportions

    If the wait time in line to ride a roller coaster is 20 minutes for 150 people how long is the wait time for 240 people? 240-150 = 90 people 150 people = 20 minutes 90 people= 40 minutes?
  32. MAT222

    I would like to know if the following are correct and if not how and what did I do wrong. 27^-2/3 27^-1/3 = 27^-2/3 - -1/3 = 27^-3/3 sqrt 27 (a^1/2b)^1/2 (ab^1/2) = a^5/4b
  33. English

    Score 1. Choose two of the scientists you read about in the Stories of Scientists unit. Compare and contrast these scientists. Answer this question in no fewer than two paragraphs. Be sure to include specific details about each scientist’s life, career,
  34. Math

    Kayla went to a football game. Her team scored 6 times, and got the extra point each time. A touchdown with an extra point is worth 7 points. How many points did her team score? If the other team scored 2 more times than her team and got 7 each time, how
  35. Calculus

    Lines tangent to the curve y-1=2x^2+3x pass through the point A(2,-1). Find the x-coordinate(s) of the point(s) of tangency. The answer is 2+2^1/2, 2-2^1/2, I just don't know how to get there. Please help! Thank you!
  36. physics

    A 61.0 -kg bungee jumper is standing on a tall platform (h0 = 46.0 m), as indicated in the figure. The bungee cord has an unstrained length of L0 = 9.00 m, and when stretched, behaves like an ideal spring with a spring constant of 76.0 N/m. The jumper
  37. Math

    Each digit in the division example has been replaced with the same letter throughout. (r stands for remainder.) The digits used wher 1,2,3,4,5,7,and 9. Find the numbers SU rE ------ )CAN -CU ------- IN - IU ------- E
  38. math (need check answer)

    You are buying balloons for a party. A small balloon cost $3. A large balloon cost $4. Write an algebraic expression for the cost of x small balloons and y large balloons. Then find the total cost for 14 small balloons and 8 large balloons. Q1: An
  39. algebraic expression

    Lindsey has 47 coins in her change purse that are either dimes or quarters. If n represents the number of quarters she has, write an expression in terms of n that describes the number of dimes. The algebraic expression is _________ My answer is D + n = 47,
  40. math

    an office manager is renting a local hall for un upcoming event. The hall costs $200. The food costs $14 per person. The office manager is not sure how many people will attend. Which quantity is not a variable quantity - the cost to rent the hall, the
  41. Math

    DVD cases are 9/16 inch wide.. If Juan has 60 DVDs how many will fit on one shelf. Shelves are 2 1/2 ft long.
  42. Sociology

    Research on children raised in orphanages has found that?
  43. algerbra

    translate the equation 3 over 5-5=x(y+7)into a verbal sentence
  44. Chemistry

    Consider the following reaction: CaCO3(s)→CaO(s)+CO2(g). Estimate ΔG∘ for this reaction at each of the following temperatures. (Assume that ΔH∘ and ΔS∘ do not change too much within the given temperature range.) for
  45. government

    How do ideological parties and single-issue parties differ from one another? A. Ideological parties tend to be more liberal, while single-issue parties tend to be more conservative. B. Ideological parties focus on certain beliefs, while single-issue
  46. Math

    A store sells used DVDs for $8 each and used videotapes for $6 each. Write a function rule to represent total selling price of DVDs and videotapes. Then use the function rule to find the price if 5 DVDs and 3 videotapes
  47. Physics

    Two automobiles, each of mass 800kg , are moving at the same speed, 18m/s , when they collide and stick together. At what speed does the wreckage move if one car was driving north and one east.
  48. physics

    a block with a mass of 3.7 kg slides with a speed of 2.2 m/s on a frictionless surface. the block runs into a stationary spring and compresses it a certain distance before coming to rest. what is the compression distances, given that the spring has a
  49. science

    An object accelerates (changes its speed) only if the forces acting on it in one direction are greater than the forces in the opposite direction, All of the following objects will accelerate EXCEPT?
  50. algebra 1

    Find C intersection D. C: {3, 6, 9, 12, 15, 18} D: {numbers divisible by 2 from 1 to 20} {2, 4, 6, 8, 10, 12, 14, 16, 18, 20} {6, 12, 18} {2, 3, 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20} { } I really think its the second one but im so confused.
  51. math

    y = -1/6 x + 5 identify the slope and the y-intercept of the equation.? how you would graph this line using the slope-intercept method. ? my teacher is saying im still getting the wrong answer:( please help
  52. math

    –x + 6y = 30 y = -1/6 x + 5 how do I identify the slope and the y-intercept of the equation for the second one and change the equation into slope-intercept form for the first one? I will do the rest on my own thanks
  53. physic

    ferryboat traveling at a speed of 30 km/h attempts to cross a river with a current of 5 km/h. What is the boat's speed relative to the shore?
  54. alg 1 help?

    If A = {0, 1, 2, 3} and B = {c−3, −2, −1}, what is A ¿ B? ? help?:(
  55. math (long div.)

    please help me solve long division :( 1.)8 divided by 6984 (0.00114548) 2.)48 divided by 7584 (0.00632911) 3.)35 divided by 19933 (0.00175588) I know the answer to all of them but I don't know how to solve it the long way .
  56. Maths

    Jessica needs to construct a rectangular outdoor dog pen. The pen must have 4 sides. I need to draw 6 different shaped rectangular pens, seen from the top, using 24m of fencing.
  57. language

    Write these words in alphabetical order. Alphabetize them to the second letter. grim, blot, sum, build, shelf
  58. alg 1

    6(4) ÷ 2 − 1 + 5 I don't understand how to do it step by step

    What are the three most significant concepts you have learned in this course that you would include in a speech supporting incorporation of health psychology concepts into health care policy? Please explain why you would incorporate (why are they
  60. Pre-Calculus

    can someone help me with figuring out my math and explaining it to me. or How to use the calculator with the problems ?
  61. (chem) this will make me or break me :(

    1.If the pressure of the gas in a 2.31 L balloon is 0.120 atm and the volume increases to 7.14 L, what will be the final pressure of the air within the balloon? Round to the nearest hundredth. Don't forget the units. 2.At a pressure of 2 atm, hydrogen gas
  62. chem word problem

    A balloon is filled with 14 L of gas at 302 K. What is its temperature in Kelvin when the volume expands to 20 L? Round to the nearest whole number. Don't forget the units.
  63. Calculus

    Differentiate ln(cos(2x))
  64. chem (boyles and charles law)

    A 1.00L balloon is filled with helium at 1.20 atm.If the balloon is sqeezed into a 0.500L beaker and doesnt burst ,what is the pressure of the helium?
  65. chemistry (charles law)

    A 4.0L sample of methane gas is collected at 30.0 celcius .predict the volume of the sample at 0 celcius.
  66. chemistry (charles law)

    1.)A ballon is filled with 3.0L of helium at 310k.The balloon is placed in an oven where the temputure reaches 340k.what is the new volume of the ballon?
  67. english

    find the simple suject of each sentence Please describe the music
  68. math ALG 2!

    Write the following value in standard notation. 2 x 10-6
  69. math ALG 2!

    Write the following value in standard notation. 3.14 x 10-5
  70. math ALG 2!

    Write the following value in standard notation. 3.89 x 104
  71. math ALG 2!

    Write the following value in standard notation. 4.25 x 106
  72. math ALG 2!

    Write the following value in scientific notation. 0.00003165 i don't understand?
  73. math ALG 2!

    Write the following value in scientific notation. 0.00000021 i think its 2.1x10 but i really think its wrong
  74. math ALG 2!

    Write the following value in scientific notation. 7,400,000 7.4x10^3? help?
  75. math ALG 2!

    Write the following value in scientific notation. 23,000,000 i don't understand
  76. math ALG 2!

    A blue bike is $14 less than a red bike. The sum of their prices is $300. How much is the red bike? i thought it was 123 but i think its wrong.plz help
  77. math ALG 2!

    Four times a certain number is the same as the number increased by 78. Find the number i thought it was 20.plz help
  78. math

    how do you solve: input __ 16 22 50 8 30 output 10 11 14 28 __ 18 (hint: divide and add)
  79. math

    input 5 ____ 10 1 20 22 output 15 19 25 7 ___ 49 please help me solve
  80. math

    input 5 ____ 10 1 20 22 output 15 19 25 7 ___ 49 please help me solve
  81. math

    input 10 15 21 6 29 ___ output 12 22 ___ 4 50 2 please help me solve this
  82. math

    input 2 ___ ___ 7 15 6 output 11 20 35 26 50 23 please help me solve this.
  83. math

    input ___ 16 22 50 8 30 output 10 11 14 28 ___ 18 please help me solve this.
  84. math

    input output 10 12 15 22 21 _______ 6 4 29 50 _______ 2 how do i solve this problem?
  85. math

    input output 2 11 _______ 20 _______ 35 7 26 15 50 5 23 how do i solve this?
  86. math

    how do i find input and output for: input output _______ 10 16 11 22 14 50 28 8 _________ 30 18
  87. math

    how do i find input and output for: input output _______ 10 16 11 22 14 50 28 8 _________ 30 18
  88. English

    Click on the box to choose whether the italicized sentence supports the key sentence. Key Sentence: Alexander Solzhenisyn had much tragedy in his life. He became a victim of cancer while in prison.no or yes He later moved to America. yes or no His book One
  89. english

    Click on the box to choose whether each sentence restates the key idea expressed in the key sentence. Key Idea: When hot weather arrives and the nation takes to the outdoors, mishaps multiply. Drowning is the fourth most frequent cause of accidental
  90. geometry

    How many signals does a polygon with 32 sides have?
  91. Math

    how do you find the the area of a shaded region between the circle and the and the triangle with the points given (-8,6), (8,6) and (10,0)
  92. math

    How do you write a system of linear equations in two variables? Explain this in words and by using mathematical notation in an equation.
  93. physics

    2 runners accelerate from rest to their top speeds. The 1st runner pat has an acceleration of 5.9 m/s^2 and reaches her top speed in 4 sec. The second runner steven accelerates at 4.4m/s^2 and takes 6.5 sec to reach his top speed the 2 runners run flat out
  94. college algebra

    solve for X -7=7x^2-10x+6
  95. math

    a band held a concert in it's hometown a total of 15000 people attended the tickets cost 8.50 per student and 12.50 per adult the concert took in a total of $162500 how many adult came to the concert
  96. math

    what is a word phrase of n + 16
  97. statistics

    given the 95% confidence interval (6.214, 7.686), interpret
  98. odu

    A toboggan approaches a snowy hill moving at 12.9 . The coefficients of static and kinetic friction between the snow and the toboggan are 0.390 and 0.290, respectively, and the hill slopes upward at 44.0 above the horizontal.
  99. Statistics

    he life expectancy of a lung cancer patient treated with a new drug is normally distributed with a mean of 4 years and a standard deviation of 10 months
  100. government

    civil rights act was aimed chiefly at


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