Posts by Lexi

Total # Posts: 409

  1. algebra 2

    a sound wave is modeled with the equation y=1/4 cos 2pi/3 theta. a.find the period.explain b.find the amplitude.explain
  2. algebra 2

    for what values of theta are the tangent 0?for what values of theta is the tangent undefined?explain.
  3. college algebra

    if 60% of a radioactive element remains radioactive after 300 million years, then what percent remains radioactive after 500 million years? what is the half-life of this element?
  4. Chemistry

    An apple pie needs 10 large apples, 2 crusts (top and bottom), and 1 tablespoon of cinnamon. write a balanced equation that fits this situation. How many apples are needed to make 25 pies?
  5. algebra 2

    solve and check for estaneous solutions 4 ^3sqrt(3x-3)^2+2=38
  6. algebra 1

    multiply and simplify if possible. sqrt(5x) (sqrt(x)-5 sqrt(5)
  7. algebra 2

    find all the REAL square roots of a.)0.0064 b.)-0.0081 SHOW WORK PLEASE
  8. algebra 2

    rewrite 32^3/5 as a radical expression and then simplify.
  9. algebra 2

    write a polynomial function in standard form with zeros : -1,-1,6 SHOW WORK PLEASE
  10. algebra 2

    explain how to determine the end behavior of a polynomial.explain throughly with example(s)
  11. algebra 2

    find all the zeros for each function. P(x)=2x^3-3x^2+3x-2
  12. algebra 2

    list all the possible rational roots of P(x) given by the Rational Root Theorom. P(x)=4x^4-2x^3+x^2-12
  13. algebra 2

    find the real or imaginary solutions of each equation by factoring. 3x^3+3x^2=27x *please show work so i can learn how to do this.
  14. algebra 2

    Write polynomial function with the given zeros. x=1,2,3 *show work i need to be able to do this when i take my final
  15. Chemistry

    [oh-]=3.0*10^-2M Is it a base neutral or acidic
  16. Chemistry

    [oh-]=3.0*10^-2M Can u do this one ?
  17. Chemistry

    Classify as acidic base or neutral [H+]= 6.0*10^-10M
  18. Math

    Use the method of cylindrical shells to find the volume generated by rotating the region bounded by the curves x=y^(1/2), x=0, and y=4 about the x axis.
  19. Math

    The volume of the solid obtained by rotating the region bounded by y=e^x, y=Inx, x=1, and x=2 about the line y-axis can be computed using the method of cylindrical shells. Using the method of cylindrical shells find the volume.
  20. Math

    The width of a rectangular prism is 30 cm. This is 12 more than one-fourth of the length. Find the volume of the prism, given the height, is 20 cm. P.S. I need this question by 01-26-18
  21. Math

    Amy has $1,000 in a savings account at the beginning of the fall. She wants to have at least $500 in the account by the end of the fall. She withdraws $100 a week for living expenses. Write an inequality for the number of weeks Amy can withdraw money, and solve. A) 1000 - 100w...
  22. Algebra

    Jen is building a doll house for her daughter. She decided that she wanted the slope of the roof to be 3/4. In the blueprint, the roof starts at (-6,10) and the center of the house is at (0,0). Knowing that the peak of the roof will be at (0,y), what y-coordinate will make the...
  23. American Government

    OMG Thank you so much!!
  24. algebra 2

    THe loudness L of a sound is measured by L=10 log10^R where R is the sound's relative intensity. One person talks with a relative intensity of 10^6 or 60 decibels. How much louder would 100 people be ,talking with the same intensity. So would I just use L= 10log10^1/10^6? ...
  25. Math

    The correct answer is 66
  26. Physics

    Use the Law of conservation of energy to predict the final speed of a bowling ball dropped from the top of a 25.0 m tall building just before hitting the ground. ignore air resistance.
  27. Algebra

    Solve the following proportion. 2/15 = 13/x A: 390 B: 1.73 C: 2.31 D: 97.5 *** Can someone explain why its 97.5??
  28. Government

    Asha lives in a nation that has a legislature and a prime minister. Citizens in her country vote in elections to elect their legislative representatives. Then parliaments appoints the prime minister. 1. Explain why a student would chose "limited, because not everyone ...
  29. Social Studies PLEASE HELP ME

    Anyone else? Maybe someone who did this assignment??
  30. Social Studies PLEASE HELP ME

    Aww..
  31. Social Studies PLEASE HELP ME

    They are all from 1-11
  32. Social Studies PLEASE HELP ME

    Asha lives in a nation that has a legislature and a prime minister. Citizens in her country vote in elections to elect their legislative representatives. Then parliament appoints the prime minister. 1: Does Asha's nation have a limited or an unlimited government? - Limited...
  33. Social studies

    What is a definition of citizenship? -having been born in a country -being a full and equal member of a nation -having pledged to respect and support a governments's values****** -fulfilling all the responsibilities and having all the rights of living in a society Why do ...
  34. Goverment

    1: Asha lives in a nation that has a legislature and a prime minister. Citizens in her country vote in elections to elect their legislative representatives. Then parliment appoints the prime minister. Does Asha's nation have a limited or an unlimited govenment? - limited, ...
  35. Science

    Which of the following would have the greatest force? An object with low mass accelerating slowly An object with low mass accelerating quickly** An object with high mass accelerating quickly An object with high mass accelerating slowly Is is B?
  36. Government

    Can someone please help? You don't have to answer all of them. Maybe just one or two? I am always having second thoughts on my answers
  37. Government

    What is a definition of citizenship? -having been born in a country -being a full and equal member of a nation -having pledged to respect and support a governments's values****** -fulfilling all the responsibilities and having all the rights of living in a society Why do ...
  38. Science

    Thank you guys so much!
  39. Science

    My assignment is to make an experiment to investigate the effect different forces have on an object’s motion. And this should test at least one of the laws of motion. Now all I ask is an example of an experiment I could do. I'm having trouble coming up with an idea ...
  40. Government

    How is the number of Electoral College seats per state determined? -by the number of delegates assigned to the state -by the total number of House and Senate representatives -by the traditional number signed under the 12th amendment -by giving each state seats Is the answer b?
  41. Algrebra

    1: Dory bought 2 computers on sale for $210.99 each. He sold them to his friend for $240.00 each. What was his profit? -$52.99 -$58.02 ***** -$421.98 -$480.00 Please check;)
  42. Government

    Well I know legislative's job is mainly creating new laws. Hmm... im going to have to go with A and D?
  43. Government

    1: Which of the following responsibilities are held by the legislative, rather than executive, branch? (Select 2) A: writing and voting on new laws(my answer) B: providing social programs to citizens C: selecting new judges for federal courts D: determining the budget of ...
  44. Math

    Explain How To Change more 0.7and 5/8.
  45. Government

    OH its C and B
  46. Government

    Is it e and d?
  47. Government

    Oops , i meant U.S.
  48. Government

    1. How is the I.S. constitutional government designed? Select 2 that apply. - The Judicial System is controlled by the legislature - the three branches of government can check and balance each other - Powers not given to the federal government are reserved to the states - each...
  49. Government

    Could you help me understand the answer then? Like a link or something?
  50. Government

    1. "A peice of coastal land, and surrounding fishing areas, has been occupied by a fishing society for centuries. This society does not have any government, or knowledge that any larger government rules over them" Do political scientists consider the society ...
  51. Algebra

    1) Simplify: (Y^4) (y^3) A:y^1 B:y^7 (my answer) C:y^12 D:y^43 2)Simplify: Y^6 / y^2 A: y^8 B: y^4 C: y^3 ( my answer) D: y^1 3: Convert into a fraction 5-^3 A: 1/5 B:1/15 (my answer) C:1/25 D:1/125 4: 15^0=? A:0 (my answer) B:1 C:15 D:1/15 5: Select all the expressions that ...
  52. Social studies

    I am lost .. Why did the great compromise establish a two-house legislature? A:to fairly represent all states B:to allow for population growth C: to provide checks and balances D: to prevent unconstitutional laws***? In what way did the structure of the Virginia House of ...
  53. Science

    I have a 91 as my average now. I only have two weeks left. What do I need to get and a (93)?
  54. Government

    One more thing... To be a citizen, one of the options include being a person of foreign birth successfully completes the naturalization process right? I studied it and it is always including the naturalization process.
  55. Government

    Okay.. so its voting an election? Lol
  56. Government

    Yea .. i studied the democratic values and i know that patriotism is definately in there .. but some of the democratic values didn't include voting nor serving. But it did say something about the persute of hapiness, so im going to guess it's: Patriotism and serving in...
  57. Government

    So one of them is right im guessing?
  58. Government

    Of the following choices, which ones are concidered democratic values?(2 points) Serving the military Honesty **** Patriotism **** Voting in an election Please check my answers. :)
  59. English

    I go to connections academy
  60. English

    Here is another approach .. Can someone tell me a book that you can read during the 8th grade unit? Example: The Maze Runner. What is another book we got to choose ?
  61. English

    The question doesnt ask for someone's summary , its a compare and contrast thing . I just need an example of a book .
  62. English

    Can someone give me a summary of one of the books they read for the 8th grade unit? Ex: The Mazerunner ? This will help me with my answer. Thank u
  63. English

    1: which word is most similar to the word assail? (1 point) > defend > greet >attack****(my answer) >embrace Is this correct?
  64. Math

    Is 3.52 a rational number.
  65. Science

    Thank u
  66. Science

    10. How can serveying reading material improve your comprehension? (1 point) > Knowing the main ideas ahead of time helps you know where to focus your attention**** > Reciting the answers to questions out loud will help you remember them > Reading your head make ...
  67. Social Studies

    1:What fundamental problem did noah Webster see in the Articles of Confederation? > that states would always work in their own self-interest even if it meant harm to the nation as whole > that the central covernment would always favor large states over the smaller states...
  68. Social Studies

    1:What fundamental problem did noah Webster see in the Articles of Confederation? > that states would always work in their own self-interest even if it meant harm to the nation as whole > that the central covernment would always favor large states over the smaller states...
  69. Chemistry

    An element crystallizes in a body centered cubic unit cell. The radius of this element is 2.20A , and the density is .991 g/cm^3. how many moles of atoms are within one unit cell?
  70. Prime Factorization - Urgent Please

    Now I understand. Thank you!
  71. Prime Factorization - Urgent Please

    Would the answer be 4?
  72. Prime Factorization - Urgent Please

    Use the prime factorizations of 24 and 28 to find their least common multiple. My answer is 2. Is that correct?
  73. 5th Grade Math - Urgent Part II

    Thank you!
  74. 5th Grade Math - Urgent Part II

    Sorry my question got cut off. 2 to the 6th power times 5 to the 6th power equals 1,000,000. Is there another number that has the prime factorization 2 to the 6th power times 5 to the 6th power? Are you saying the other number that has the same factorization is 64?
  75. Math

    1/3 (b-4) =1
  76. Math (Statistics)

    12. Clancy, Rowling, Tolstoy Readability: Pages were randomly selected by the author J.K.Rowling, Leo Tolstoy, and Tom Clancy books. Use a 0.05 significance level to test the claim that the three samples are from populations with the same mean. Do the books appear to have ...
  77. Math (Statistics)

    Determine whether a probability distribution is given. If a probability distribution is given, find its mean and standard deviation. If a probability distribution is not given, identify the requirements that are not satisfied. 8. Male Color Blindness: When conducting research ...
  78. Statistics Homework

    10. In a Microsoft Instant Messaging survey, respondents were asked to choose the ,most fun way to flirt, and the accompanying table is based on the results. X P(x) E-mail 0.06 In person 0.55 Instant Messaging 0.24 Text Messaging 0.15
  79. Algebra

    What are the slope and y- intercept of the graph of y=-2/3x+1?
  80. geograhy

    What were some the economic effects the stamp act had on colonists?
  81. Language Art

    1 - D 2 - A 3- C 4- B
  82. algebra

    The hypotenuse of a right triangle is 8m long. One leg is 2m longer then the other. Find the lengths of the legs. How would you solve this equation?
  83. Social Studies

    South Carolina raised additional funding for public education by a. Charging tuition for students b. Implementing a sales tax c. Applying a tax to college tuition d. Requiring new business to pay a tax I think it's b?
  84. English

    What was life like for Jewish people under Nazi occupation?
  85. Geography

    European colonial powers were not concerned with keeping kingdoms or cultural groups intact. What factors might have contributed to the borders they created?
  86. Precal

    How would you work this out? This is verifying trigonometric equations. cot^3x+ cotx= cosx(csc^3x)
  87. Trig

    If tan A= 3/4 and cos B=-5/13, where A and B are both third-quadrant angles, find sin(A+B). Please explain how you found all the answers
  88. math

    Simplify the following expression 1/2(14x-2)-1/4(-4x-24) HELP ME
  89. social studies

    Thanks Ms. Sue, I appreciate it.
  90. social studies

    Is my answer good? If not how can I make it better? Ms. Sue?
  91. social studies

    Please help me Ms. Sue. On my online school they have a discussion where we answer a question and reply back to other students. The question is : What challenges must Cyprus overcome to reunify? Explain your ideas about this topic and suggest ways that Cyprus could work to ...
  92. Science

    A charge q1=7.00 x 10^-6 is placed 0.300m from a second charge q2=-5x10^-6 C. Find the magnitude the force between the two charges.
  93. Language Arts

    Actually part be is A.
  94. Language

    Asdf is correct
  95. English (Check Answers)

    do any of you have the answers to the whole test?
  96. Art

    @me @girl @Dylan @calie are correct
  97. Geometry / Math

    Arrie is wrong, Asuh dude is correct. Its A, B, D, A
  98. math

    whats the answer?????
  99. Language Arts

    Eric Mashak is correct I got 100%
  100. Spanish

    Thank you! I figured it out! And it was a good explanation!
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