Most popular questions and responses by tabitha
  1. Trigonometry

    A carnival Ferris wheel with a radius of 7 m makes one complete revolution every 16 seconds. The bottom of the wheel is 1.5 m above the ground. The ride starts at the bottom. Find the sinusoidal function that models this Ferris wheel in terms of time (t)

    asked on January 14, 2011
  2. Physics

    You're an investigator for the National Transportation Safety Board, examining a subway accident in which a train going at 88km/h km/h collided with a slower train traveling in the same direction at 25km/h km/h . Your job is to determine the relative speed

    asked on January 24, 2014
  3. Math

    For problems 1 and 2, determine how many solutions there are for each triangle. You do not have to solve the triangle. 1. A = 29°, a = 13, c = 27 2. A = 100.1°, a = 20, b = 11 For problems 3-6, solve each triangle using the Law of Sines. If there is no

    asked on January 13, 2011
  4. Math

    A fish tank in the shape of a cuboid has length 320 cm. Its length is twice that of its width. to enhance viewing the area of the four vertical faces should be maximized. Find the optimum viewing area of a fish tank that is fixed to the wall so that the

    asked on October 19, 2016
  5. Math/Trig

    Given A=56degrees, C=61degrees, and b=10.5, solve triangle ABC. If no triangle exists, explain why. If two solutions exist, write both. Round your answer to the nearest tenth

    asked on January 13, 2011
  6. Algebra 2

    Make a table with a process column to represent each pattern. Write an expression for the number of circles in the Nth figure. The first figure is 5 circles long and 2 circles wide, the second 5 circles long and 3 circles wide. How do I complete this

    asked on August 24, 2010
  7. Algebra

    Answer to david has scores of 79, 96, 63, 54 on his algebra tests. Use an inequality to find the minimum score he can make on the final exam to pass the course with an average of 70 or higher, given that the final counts as 3 tests.

    asked on August 23, 2012
  8. science

    A 51-g piece of ice at 0 C is added to a sample of water at 7-C all of the ice melts and the temp of the water decreases to 0 .If you used the 8200 Khan you expand in energy in one day to heat 47000g of water at 27-C what would be the rise in temp? What

    asked on June 15, 2012
  9. Pre-Calculus/Trig Check please and help

    Could someone please check the first one and help me with the second one. I'm stuck-Thank you 1.What are theroots of the following polynomial equation? (x+2i)(x-5)(x-2i)(x+8) = 0 I think the roots are -2i,5,2i,-8-you take out the roots as opposites of what

    asked on September 5, 2011
  10. English

    Please double check my answers to make sure that I am thinking about each question correctly. Thanks. Last night, Lucy and Neil met Morey in Gramercy Park. 9. The object of the verb is A. Lucy and Neil. B. night. C. Gramercy Park. D. Morey. I picked D,

    asked on October 23, 2013
  11. Music

    I am being homeschooled and am having a tough time with my music course. The teacher doesn't really want to help me maybe you can. I need to write a short fugue with 4 voices in the key of g minor and i need to include any necessary accidentals. Thank you

    asked on March 21, 2007
  12. Algebra-please check

    Please check these: 1.When the fraction 2/3 is used as exponent, wht role does the denominator 3 play in evaluating expression? I think it indicates cube root of the base,correct? 2.sqrt of (2^4x/4^-2x) is equilvalent to 2^4x, correct? 3.Simplify

    asked on December 12, 2011
  13. maths

    a 10cm multiplied 10cm multiplied 10cm wooden block is painted red n all of it face. it is then cut into cubes, 10cm on each edge solve

    asked on June 18, 2011
  14. algebra


    asked on October 4, 2014
  15. Trig

    Verify the identity: tanx/secx-1=secx+1/tanx

    asked on January 20, 2011
  16. Trigonometry

    The diagram below shows a mass, a spring, and a near-frictionless surface. If you pull the mass back 10 cm and then release it, the mass starts to oscillate. The distance of the mass from the wall is modeled by the equation y = 3sin(4pi t + pi/2) + 7 cm,

    asked on January 14, 2011
  17. English

    What are specific rhetorical devices…? How did the speaker address arguments and counter arguments? Were the speaker’s arguments effective? Kane: with one purpose only: to point out and make public the dishonesty, the downright villainy, of Boss Jim W.

    asked on May 10, 2008
  18. math

    6 scarves are black, 2 scarves are red, and 2 scarves are white. it is dark and sarah reaches into the drawer and chooses a scarf. what is the probability of a scarf being white in percentage form?

    asked on February 8, 2017
  19. math

    I need help with my science project and I am dealing with the heart

    asked on February 9, 2012
  20. Trig

    Solve: cos2x(2cosx+1) for 0degrees is less than or equal to x is equal to or less than 360degrees

    asked on January 20, 2011
  21. Trig

    Verify that 7pi/6 is a solution to 2sin2x–sinx=1.

    asked on January 20, 2011
  22. math

    how do you make four 8s into 640??

    asked on March 15, 2010
  23. math

    if i had to divide the numerater and denominator then multiply 18 over 35 times 14 over 45 how would you do it ?

    asked on January 30, 2008
  24. physics

    when excerising using a spring you pull the spring 0.30m with a force of 365N. What distance will the spring stretch from its zero position if you applied a force of 400N?

    asked on October 14, 2007
  25. Science

    How do compare and contrast the carbon dioxide emissions from the following countries: USA China Russia Federation Japan India Canada France

    asked on September 19, 2007
  26. Math

    Which of the following statement is the contrapositive of (1) ."If I don't have money, then I don't spend it". (2)"If I spend money,then I have it" (3)If I don't spend money, then I don't have it."

    asked on January 15, 2012
  27. Trig

    Find the exact value of sin75degrees+ sin15degrees.

    asked on January 20, 2011
  28. Trig

    Solve:cos^2x=1 for 0 < x is less than or equal to 2pi

    asked on January 20, 2011
  29. Trig

    Verify:cos(360degrees-x)=cos x

    asked on January 20, 2011
  30. Math/Trig

    Find the area of a sector of a circle with a radius of 3 m and a central angle of 125degrees.

    asked on January 14, 2011

    What needs to be done to correct the following sentence? Queen Mary wanted her death to be remembered,therefore,she staged a pageant. A. Change the comma after remembered to a semicolon. B. Change the comma after remmbered to a semicolon and add a comma

    asked on October 17, 2006
  32. chemistry

    what's the difference between experimental estimate of sugar concentration and the true sugar concentration?

    asked on April 15, 2017
  33. math

    a girl runs 250m in 12and a half seconds what is her average speed in metres per second

    asked on February 27, 2017
  34. Coll Algebra

    perimeter of a triangle is 30 cm. two sides of the triangle are twice as long as the shortest side how long is the shortest side

    asked on January 20, 2015
  35. Psychology

    I have to write a paper on Psychological disorders from a specific perspective. I was going to choose Cognitive-behavioral and then systematic desensitization. I have to Develop an explanation for disorders from this perspective and describe the type of

    asked on August 21, 2011
  36. Algebra 1B

    ax^2+bx+c=0 solution: 9, only solution

    asked on January 22, 2011
  37. math

    in 1935 during the great depression why couldn't a person living in new york city be buried west of the mississippi river?

    asked on September 7, 2010
  38. math

    how do you compare -71/3 to -9

    asked on January 8, 2009
  39. science

    Assume we have a cannon which has a mass of 572 stones. Stones is an English unit. Which fires a projective which has a mass of 40 pounds horizontally. The projective has a velocity of 9,000,000 football fields/fortnight. (A football field is 120 yards. A

    asked on February 14, 2008
  1. math

    the answer si 1 1/2 feet.

    posted on March 28, 2017
  2. trig

    Which statement is grammatically correct? Question 11 options: Voy a compro una casa. Voy a compras una casa. Ir a compro una casa. Voy a comprar una casa. Save

    posted on February 9, 2017
  3. Statistics and Probability

    Winning the jackpot in the Florida Lotto requires that you choose six different numbers from 1 to 53, and your numbers must match the same six numbers that are later drawn. The order of the selected numbers does not matter. If someone buys one ticket, what

    posted on October 20, 2016
  4. Math


    posted on October 27, 2015
  5. calculus


    posted on November 18, 2014
  6. mRNA

    use the universal triplet code to determine the sequence of amino acids that would be generated for mrna sequence 5'atggatgaaacgggctaggua3'

    posted on June 26, 2014
  7. 6th grade math

    I did not get 5 for this.. I got 1.. It is due tomorrow, someone plz help me!

    posted on March 24, 2014
  8. world geography

    Each exam is different there is not the same exam out there

    posted on February 27, 2014
  9. Business Math

    You have 8 periods at 12% which gives you a table factor of 2.47596 so you so 50 x 2.47596 = 124

    posted on June 29, 2013
  10. Algebra-please check

    Thank you

    posted on December 12, 2011
  11. Pre-Calculus/Trig Check please and help

    Whenn I get to (x-3)(x^2+9) and FOIL wouldn't it be x^3 +9x-3x^2 -27? I get (-3x^2) not (3x^3) when I multiply -3 times x^2 or am I missing something Thank you

    posted on September 5, 2011
  12. Social studies

    In 1789 the Constitution became the basis for the United States federal government, with war hero George Washington as the first president. The young nation continued to struggle with the scope of central government and with European influence, creating

    posted on June 18, 2011
  13. English

    That helps. Thanks!

    posted on May 10, 2008
  14. English

    Edit.. I decided he's using pathos as one of the rhetorical devices. but what else?

    posted on May 10, 2008