Posts by Britt

Total # Posts: 183

  1. Chemistry

    At room temperature, 20° C, water (H2O) is a liquid and oxygen (O2) is a gas. Based on kinetic molecular theory, which answer best explains the states of the two fluids? aThe particles in the liquid have greater kinetic energy than the particles in the gas. bThe particles ...
  2. math

    Bill was christmas shopping. He spent 1/2 of his money on a gift for his sister and 1/3 on a gift for his brother. Later that day he spent 2/3 of his remaining money on a present for his mom. Bill had $20 left. How much money did Bill have to start with?
  3. math

    A video store charges $3.50 to rent a DVD. Every fourth DVD that a customer rents is free. Brooke paid a total of $252 last year for renting DVDs. How many free DVDs did she receive?
  4. math

    the symbols that stands for amounts are called what? numbers, digits, numerals, shapes
  5. Math

    The symbols that stand for amounts are called? numbers, digits, numerals or shapes? A diagram with mammals at the top, then monkeys, dogs, cows, elephants, and cats is a (an) graph hierarchical classification flow chart divergence classification
  6. physics

    A neutron star has 10 km radius and rotation period 1.2 s What's the centripetal acceleration on its surface at the equator?
  7. science

    The small intestine is specialized for absorption by the huge number of villi that line the intestinal wall. Villi have cells that produce intestinal enzymes which complete the digestion of peptides and sugars.
  8. science

    what is a polony sandwich?
  9. Math

    A ladder is leaning up against a wall. The ladder touched the wall 5ft up. The ladder is 6ft Long. A) Draw a picture and label all of the values B) What is the angle that is made between the ladder and the ground? C) How far away from the wall is the ladder where it touches ...
  10. trig

    Angle θ lies in the second quadrant, and sin θ = 3/5. Find cos θ and tan θ.
  11. math

    The perimeter of a rectangle is given by P = 2W + 2L where W is the width and L is the length. The length of a rectangle is 3 more than twice its width. The perimeter of the rectangle is 66 meters. What is the length and width of the rectangle?
  12. Math HELP!

    thank u so much Ms.jordan
  13. Math HELP!

    what is 4x3x2x1=? what is 9,348+102+5,802+1,933=?HELP!!!!!!!!!!
  14. micro economics

    When demand decreases and the demand curve shifts to the left, equilibrium price __________ and equilibrium quantity __________ . A. increases; increases B. increases; decreases C. decreases; increases D. decreases; decreases
  15. algebra

    Solve f(x)=3x^2+8x-6. Let f(x)=f(7a)
  16. pharmaceutical calculations

    Chlopheniramine 100milliliters Lidocaine 2ounces Banana flavoring 1teaspoon
  17. english

    which is the best thesis A. Because air pollution is of serious concern to people in the world today, many countries have implemented a variety of plans to begin solving the problem. B. So far, research suggests that zero-emissions vehicles are one solution to the problem of ...
  18. english

    which is a better thesis A. Because it has become outdated, the electoral college should be replaced by a system that allows the US president to be elected by direct popular vote. B. Rather than voting for a presidential candidate, voters in a US presidential election merely ...
  19. chemistry

    vgrfazbfa
  20. Math

    81
  21. Health Part 2

    It's D
  22. English

    Book: Lord of the Flies What is ironic about the naval officer who arrives to "rescue" the boys? How does Ralph feel about returning to the safety of civilization? Why does he weep—is it relief, or something else?
  23. Physics

    The piolt of an airplane wishes to fly due north, but there is a 65-km/h wind blowing toward the east. in what direction should the pilot head her plane if its speed relative to the air is 340 km/h?
  24. Math

    600
  25. Physics

    A 920kg car is 65m from a concrete barrier, travelling at 125km/h, when the driver notices and slams on the breaks. The frictional force acting on the car is 8500 N. Is ther driver able to stop the car before hitting the barrier.
  26. chemistry

    A sample of barium contains 3.20g of barium. How many atoms of barium are contained in the sample?
  27. Statistics Problems

    i) 0.7937 ii) .8
  28. Calculus

    State the domain and range for each: f(x) = 4x + 1 and g(x) = x^2 f(x) = sin x and g(x) = x^2 - x + 1 f(x) = 10^x and g(x) = log x
  29. Calculus

    Math questions, please help me? :(? Find the composite functions f o g and g o f for the given functions. f(x) = 10^x and g(x) = log x State the domain and range for each: f(x) = 4x + 1 and g(x) = x^2 f(x) = sin x and g(x) = x^2 - x + 1 f(x) = 10^x and g(x) = log x If f = {(-2...
  30. Chemistry

    PV=nRT (1)(x)= (.250)(0.0821)(523) 1x= 10.73
  31. calculus

    F(x)= log_3 (1-5x) F'(x)=
  32. world history

    how did spain acquire her american empire?
  33. Algebra 1

    SO HOW DO YOU GET 1/2 FORM THAT?
  34. Algebra 1

    the quadratic formula is -b+-radical b^2-4ac/a
  35. Algebra 1

    So technically there would be no solution right?
  36. Algebra 1

    how do you get 1/2 as a solution?
  37. Algebra 1

    because the answer has got to be a real number which is not a negative number
  38. Algebra 1

    solve: log8(w-6)=2-log8(w+15) note: the 8 is to be little at the bottom right corner of log
  39. Test prep

    solve: log8(w-6)=2-log8(w+15) note: the 8 is to be little at the bottom right corner of log
  40. Algebra

    Write expression as the logarithm of a single expression or number: ln(3x+2)+ln(x+4)
  41. Math prep

    1). Using the function: y=y0,(.90)^t-1. In this equation y0 is the amount of initial dose and y is the amount of medication still available t hours after drug is administered. Suppose 20mg of the drug is administered. How long will it take for this initial dose to reach 50mg? ...
  42. math

    the y0 should actually be y with a little 0 at the bottom right corner and as i said from the equation it is the amount of initial dose. Plus the initial dose is 200mg not 20 sorry. so how long would it take to get from 200mg to 50mg?
  43. math

    1). Using the function: y=y0,(.90)^t-1. In this equation y0 is the amount of initial dose and y is the amount of medication still available t hours after drug is administered. Suppose 20mg of the drug is administered. How long will it take for this initial dose to reach 50mg? ...
  44. physics

    A hypodermic needle is 2.98 cm in length and 0.28 mm in diameter. What pressure difference between the input and output of the needle is required so that the flow rate of water through it will be 1 g/s?
  45. Fifth grade English

    What is the plural form of staff? Not sure if it should be staff or staffs. Thank you for helping. Britt
  46. 5th grade English

    What is the simple predicate in this sentence? The lion is nicknamed the King of the Beasts. Would it be "is" or would it be "is nicknamed"? Thanks!
  47. 9th grade algebra/Ms Sue

    .78 to nearest hundred
  48. algebra

    -5/8- 3/4=
  49. chemistry

    the rusting of iron is represented by the eqquation 4Fe + 3O2 --> 2Fe2O3 if you have a 1.25-mol sample of iron, how many moles of Fe2O3 can be made?
  50. history

    How did George Kennan’s containment doctrine change during the Truman, Eisenhower and Kennedy administrations? Which president was the most successful in containing Communism? HELP!!!
  51. chemistry

    The electron pairs in a molecule of NH3 form a tetrahedron. Why does the NH3 molecule have a trigonal pyramidal shape rather than a tetrahedral shape? Explain your answer. PLEASE HELP
  52. Calculus

    Total cost to manufacture q microwaves a day is C(q)=3q^2+q+48.What level of product gives the least average cost and Can a microwaves be produces for less than $30?
  53. history

    How was the civil rights movement of the 1950s and 1960s a continuation of the Reconstruction-era struggle for blacks to achieve equality?
  54. history

    How was the civil rights movement of the 1950s and 1960s a continuation of the Reconstruction-era struggle for blacks to achieve equality?
  55. chemistry

    Based on electronegativity values, which bond has the highest degree of ionic character: H--S Si--Cl Cs--Br?
  56. science

    How do you figure out if acceleration occurred. What would the equations look like?
  57. science

    you are riding your bike at 9km/h. ten minutes later; your speed is 6km/hr.
  58. science

    91km/h
  59. science

    What is the average speed of a car that travels 320km in 3.5 hours?
  60. chemistry

    Ammonia, NH3, can be made by reacting nitrogen with hydrogen. N2 + 3H2 = 2NH3 How many moles of NH3 can be made if 7.5 moles of H2 react with enough N2? Please help!
  61. University Physics

    Building A and Building B are 30m away from each other, on the 4th floor; 35m high, someone has set up a slingshot from the window on the 4th floor of building A and is trying to sling a balloon into the window directly across from them in building B. the balloon weights 1 kg...
  62. math

    0.094
  63. history

    french and indian war
  64. history

    Discuss the importance of landscape in crafting battle strategy for both the French and the English. Help please! talking in general.. no one specific battle
  65. calculus

    Solve for x: 2x=ex+1
  66. calculus

    Solve the equation 14=65(19)x for x using logs.
  67. trigonometry

    Use De Moivre’s Theorem to simplify each expression. Write the answer in the form a + bi. {1 - i(/3)}^4
  68. accounting

    Christy Burch and Myung Lim, partners, compared their current income statement with their income statement of a year ago. They noted that sales were 12.0% higher than a year ago. They also noted that the total expenses were 20.0% higher than a year ago. What type of analysis ...
  69. trigonometry

    Find a complex number a + bi such that a^2 + b^2 is irrational. Justify and explain your reasoning.
  70. trigonometry

    Find a complex number a + bi such that a^2 + b^2 is irrational. Justify and explain your reasoning.
  71. english

    Does anybody have the answers to the test?
  72. english

    The Awakening, by Kate Choplin, sorry
  73. trigonometry

    okay!
  74. trigonometry

    ohh, i didn't realize! thankyou :)
  75. trigonometry

    {1/(sec x - 1)} - {1/(sec x +1)} = 2 cot^2 x solve using identities?
  76. trigonometry

    Use identities to simplify each expression. 1) (sin2t) (cos5t) + (cos2t) (sin5t) 2) {1/(sec x - 1)} - {1/(sec x +1)} = 2 cot^2 x
  77. trigonometry

    1) (sin2t) (cos5t) + (cos2t) (sin5t) 2) {1/(sec x - 1)} - {1/(sec x +1)} = 2 cot^2 x
  78. trigonometry

    A sheet metal worker constructed a triangular metal flashing with sides of 6 ft., 5 ft., and 3 ft. If he charges $2 per square foot for this type of work, then what should he charge? Do not use Heron’s formula. Justify and explain your reasoning.
  79. math

    I have spent hours trying to do these, help! Use the given information to solve the triangle. 1) C = 145 degrees, b = 4, c = 14. 2) A = 150 degrees, C = 20 degrees, a = 200.
  80. trigonometry

    Use the given information to solve the triangle. 1) C = 145 degrees, b = 4, c = 14. 2) A = 150 degrees, C = 20 degrees, a = 200.
  81. Chemistry

    How did you get the answer .117 ?
  82. English

    Which of the following are characteristics of allegory? A. Immitation B. Humor C. Didacticism D. Spiral Plot C. Music
  83. math

    what is the sum of radical x- 1 and (x-1)^2 when x= 5?
  84. calculus

    The volume V of a cylinder is computed using the values 9.8 \text{m} for the diameter and 3 \text{m} for the height. Use the linear approximation to estimate the maximum error in V if each of these values has a possible error of at most 8 \%.
  85. Precalculus

    Can an even degree polynominal have exactly one x intercept?
  86. Math

    Find cos(theta) if (-15, 8) is a point of the terminal side of theta.
  87. physical science

    can water dissolve polar molecules or nonpolar molecules
  88. Math

    Rectangle with a diagonal length oh 26m and height of 10m
  89. Math

    What is the area of a square with a diagonal length of 15 times the square root of 2?
  90. algebra

    x squared-4x-5 your factoring each expression.
  91. Math

    Find (f-g)(-3) when f(x) = x + 3 and g(x) = sq. rt. x - 7
  92. Science

    Identify two different types of green power. Identify a disadvantage and advantage of each type. Thanks Britt
  93. chem

    I did this same problem on Sapling Learning and I can confirm Anonymous's answer is correct. Now, if only someone can explain why it makes sense. Is it just comparing pKa values?
  94. psychology

    Explain how influences from each of the 4 levels of the ecological perspective have affected your development thus far (8 pts). List the level and then write a few sentences explaining how it has affected you.
  95. Psych

    I've seen adolescents with such a strong sense of their own importance, especially in sports, that they don't appear to care about anyone or anything else. What do you think?
  96. Social Studies

    The First Amendment does not guarantee absolute freedoms or rights Why?
  97. calculus

    it's x=pi.
  98. calculus

    what is the slope of the curve y=tan(6x^2) when x=ð
  99. English

    THe meaning would probably be to give a chance. To give it a try! I am going to go too a english club. Hope I helped!
  100. Chemistry

    If the pressure on a 1.04 L sample of gas is doubled at the constant temperature, what will be the new volume of the gas?
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