Monday
February 8, 2016

Posts by Audrey

Total # Posts: 311

English - Beowulf
Who is Scyld? Where is he from and where does he go? What does he do? My problem is the version of Beowulf I read did not begin with a character named Scyld. There was actually no character by this name. At the beginning of the story I read there was a character by the name of...
August 30, 2007

Math
Find the axis of symmetry y = -x^2 + 3x - 3 22
June 17, 2007

Math
Tiffany can run 12 miles in the same time it takes her to bicycle 72 miles. If her bicycling rate is 20mi/hr faster than her running rate, find each rate. Let X = running rate, so X +20 = cycling rate. Since rate = miles/time, then time = miles/rate. Since the time for both is...
June 17, 2007

math
Does a trinomial have two coefficients? A trinomial can have three coefficients, or two and a constant.
June 16, 2007

Math
Find the axis of symmetry. y = -x^2+8x+2 4
June 10, 2007

Math
The demand and supply equations for a certain item are given by D = -5p + 40 s = -p^2+30p-8 Find the equilibrium price. Wouldn't you set demand equal to supply, and solve for P? I will be happy to critique your work.
June 10, 2007

Math
Find the constant term that should be added to make the following expression a perfect square trinomial. x^2-2x x^2+3x Take one half the second term, square it. 1/2 *2=`1, squred, 1 1/2 *3=3/2, squared, 9/4
June 10, 2007

math
How long must a guywire be to run from the top of a 16-ft pole to a point on the ground 6ft from the base of the pole? Goodness. Use the Pyth theorm on this.
June 9, 2007

Math
The equation h=-16t^2+112t gives the height of an arrow, shot upward from the ground with an initial velocity of 112ft/s,where t is the time after the arrow leaves the ground. Find the time it takes for the arrow to reach a height of 120ft. Put in h for 120, rearrange it into ...
June 9, 2007

Geometry
The length of a rectangle is 1cm longer than its width. If the diagonal of the rectangle is 4cm, what are the dimensions(the length and the width)of the rectangle? L=W-1 Diagonal = sqrt(L^2 + W^2) substitutuet for L in the second equation, solve for W.
June 9, 2007

Algebra
The base of a ladder is 14 feet away from the wall. The top of the ladder is 17 feet from the floor. Find the length of the ladder to the nearest thousandth. length^2=14^2 + 17^2
May 27, 2007

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