kozy

Most popular questions and responses by kozy
  1. geomerty

    The following triangles, Ä ABC and Ä DEF, are congruent. abc 67.38degree 12cm lenght 22.62degree b5cm,l,13cm Find the lengths of all missing sides and measures of all angles for both triangles. Include correct units with each of your answers. First

    asked on May 11, 2011
  2. math

    A recreation room has the following dimensions.12ft,30ft,8ft,8ft. Carpeting will cost $1.50 a square foot. How many square feet of carpet will be needed and how much will it cost? Include correct units at each stage within your solution.

    asked on May 11, 2011
  3. math

    Mr. Doodle’s grade distribution over the past 3 years for a course in college algebra is shown in the chart below. Grade Number A 45 B 180 C 210 D 95 F 65 I 5 If Jane plans to take a college algebra course with Mr. Doodle, determine the empirical

    asked on May 29, 2011
  4. math

    Determine if the argument is valid or invalid. Give a reason to justify answer. If it is cold, then you need a coat. You do not need a coat. It is not cold. (Points : 2) Valid by the law of detachment Valid by the law of contraposition Invalid by fallacy

    asked on May 22, 2011
  5. college math

    Find the perimeter and area of a right triangle if the shortest side is 20 mm. and the longest side is 52 mm. Include correct units with each part of your solution.

    asked on May 11, 2011
  6. math

    Given the quadratic function f(x) = 16x^2 – 64x + 64, find a value of x such that f(x) = 16.

    asked on May 3, 2011
  7. math

    Given the quadratic function f(x) = 16x2 – 64x + 64, find a value of x such that f(x) = 16.

    asked on May 1, 2011
  8. math

    Factor the expression 4x^2-20xy+25y^2 into a product of binomials

    asked on April 28, 2011
  9. math

    multiply (-x-2)by (-x2 + 4x – 2)

    asked on May 3, 2011
  10. algbera

    Multiply -x – 2 by -x2 + 4x – 2

    asked on May 3, 2011
  11. algbera

    In solving the equation (x + 3)(x + 1) = 48, Eric stated that the solution would be x + 3 = 48 => x = 45 or (x + 1) = 48 => x = 47 However, at least one of these solutions fails to work when substituted back into the original equation. Why is that? Please

    asked on May 1, 2011
  12. algebra

    A 125-ft diagonal brace on a bridge connects a support of the center of the bridge to a side support on the bridge. The horizontal distance that it spans is 25 ft longer that the height that it reaches on the side of the bridge. Find the horizontal and

    asked on April 30, 2011
  13. aglbera

    A 125-ft diagonal brace on a bridge connects a support of the center of the bridge to a side support on the bridge. The horizontal distance that it spans is 25 ft longer that the height that it reaches on the side of the bridge. Find the horizontal and

    asked on April 30, 2011
  14. algebra

    Essay; show all work. Bob’s Barber Shop estimates their gross revenue for the second quarter to be given by the polynomial 7x3 + 6x2 – 6x – 3. The shop estimates their costs for that quarter to be given by 6x2 – 9x + 9. For the second quarter, find

    asked on April 17, 2011
  15. bio1

    What does it take to be a living organism?

    asked on June 14, 2011
  16. math

    In how many ways can 8 instructors be assigned to five sections of a course in mathematics

    asked on June 7, 2011
  17. math

    how do you explain this questionA mini license plate for a toy car must consist of a letter followed by two numbers. Each letter must be a T, O or Y. Each number must be a 4 or 6. Repetition of digits is permitted. Use the counting principle to determine

    asked on June 5, 2011
  18. math

    Find the exact value of the volume of a can of green beans with a diameter 8 centimeters and height of 12 centimeters. Include correct units with your solution. Use "pi" in place of the pi symbol.

    asked on May 8, 2011
  19. math

    Rewrite with positive exponents. Assume that even roots are of nonnegative quantities and that all denominators are nonzero.(6xy/y)^-3

    asked on May 3, 2011
  20. math

    multiply -x^2by-x^2 + 4x – 2

    asked on May 3, 2011
  21. math

    Rewrite with positive exponents. Assume that even roots are of nonnegative quantities and that all denominators are nonzero.(6xy/y)^-3

    asked on May 3, 2011
  22. aglbera

    Rewrite with positive exponents. Assume that even roots are of nonnegative quantities and that all denominators are nonzero.(6xy/y)^-3

    asked on May 3, 2011
  23. aglbera

    Rewrite with positive exponents. Assume that even roots are of nonnegative quantities and that all denominators are nonzero.(6xy/y)^2 Express in terms of i. 2ã-36

    asked on May 1, 2011
  24. algbera

    Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 2x + 10y = 58 -14x + 8y = 140

    asked on May 1, 2011
  25. algebra

    Megan factored the expression3x^2-23x+14 as (x-2)(3x-7) . But when Jacob applied the FOIL principle and multiplied out (x-2)(3x-7) , he got 3x^2-13x+14 ; thus, Megan’s solution does not appear to check. Why is that? Please help Megan to understand this

    asked on April 28, 2011
  26. math

    The area of a rectangular athletic field is represented by the expression -15x^5+75y^3-30xy square meters. Write an algebraic expression to represent one possible set of dimensions (in the sense “length times width”) of the athletic field. Include

    asked on April 28, 2011
  27. bio 1

    What factors apart from acid rain could be killing trees?

    asked on June 17, 2011
  28. math

    Essay; show all work. A community 5K run will award $50 to the winner. 35 people enter the race, and they each pay an entry fee of $20. Assuming they are all equally likely to win, what is a fair price for the competition? Round to the nearest cent

    asked on June 2, 2011
  29. college math

    Construct a truth table for ~q p

    asked on May 21, 2011
  30. math

    Given the following sets, select the statement below that is NOT true. A = {l, a, t, e, r}, B = {l, a, t, e}, C = {t, a, l, e}, D = {e, a, t}, E = {t, e, a}

    asked on May 18, 2011
  31. math

    Can the word "RENTS" be played from the letters A, E, O, N, R, S, T as the first move in a Scrabble game? Explain your answer.

    asked on May 17, 2011
  32. math

    Multiply -x – 2 by-x^2 + 4x – 2

    asked on May 3, 2011
  33. math

    Use polynomial long division to divide -9x3 – 18x2 – 11x – 2

    asked on May 1, 2011
  34. math

    Given the quadratic function f(x) = 16x2 – 64x + 64, find a value of x such that f(x) = 16.

    asked on May 1, 2011
  1. math

    (-x-2)(-x^2+4x-2) -(x+2)(-x^2+4x-2) (x+2)(x^2-4x+2) x^5-4x^2+2x 2x^2-8x+4 x^5-2x^2-6x-4 x(cube)-2x-6x+4

    posted on May 3, 2011