kozy
Most popular questions and responses by kozy
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 
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 
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 
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 
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 
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 
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 
math
Factor the expression 4x^220xy+25y^2 into a product of binomials
asked on April 28, 2011 
math
multiply (x2)by (x2 + 4x – 2)
asked on May 3, 2011 
algbera
Multiply x – 2 by x2 + 4x – 2
asked on May 3, 2011 
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 
algebra
A 125ft 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 
aglbera
A 125ft 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 
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 
bio1
What does it take to be a living organism?
asked on June 14, 2011 
math
In how many ways can 8 instructors be assigned to five sections of a course in mathematics
asked on June 7, 2011 
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 
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 
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 
math
multiply x^2byx^2 + 4x – 2
asked on May 3, 2011 
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 
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 
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. 2ã36
asked on May 1, 2011 
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 
algebra
Megan factored the expression3x^223x+14 as (x2)(3x7) . But when Jacob applied the FOIL principle and multiplied out (x2)(3x7) , he got 3x^213x+14 ; thus, Megan’s solution does not appear to check. Why is that? Please help Megan to understand this
asked on April 28, 2011 
math
The area of a rectangular athletic field is represented by the expression 15x^5+75y^330xy 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 
bio 1
What factors apart from acid rain could be killing trees?
asked on June 17, 2011 
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 
college math
Construct a truth table for ~q p
asked on May 21, 2011 
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 
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 
math
Multiply x – 2 byx^2 + 4x – 2
asked on May 3, 2011 
math
Use polynomial long division to divide 9x3 – 18x2 – 11x – 2
asked on May 1, 2011 
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

math
(x2)(x^2+4x2) (x+2)(x^2+4x2) (x+2)(x^24x+2) x^54x^2+2x 2x^28x+4 x^52x^26x4 x(cube)2x6x+4
posted on May 3, 2011