valarie
Newest questions and responses by valarie
Math
Given the following matrix A, find an invertible matrix U so that UA is equal to the reduced rowechelon form of A: You can resize a matrix (when appropriate) by clicking and dragging the bottomright corner of the matrix. A = 3 3 9 −6 3 3 9 −6 −2
asked on October 21, 2018 
college algebra
list intercepts for this equation y=7x/x^2+25
asked on October 11, 2017 
Stastics
USA snapshot presented a bar graph depicting business travelers’ impression of wait times in airport security lines over the past 12 months. Statistics were derived from Travel Industry Association of American Business Traveler Survey of 2034
asked on March 4, 2017 
Math
Find the equation of the line, with the given properties, in slopeintercept form. Slope=−4, through (−7,7) The equation of the line is .
asked on January 28, 2015 
South University
Find the equation of the line, with the given properties, in slopeintercept form. Slope=−4, through (−7,7) The equation of the line is .
asked on January 28, 2015 
Chemistry
KClO3 = KClO4 + KCl What is the conversion factor to convert between moles of potassium chlorite and moles of potassium perchlorate?
asked on March 19, 2014 
Finance
Comparing Future Value. Calculate the future value of a retirement account on which you deposit $2000.00 a year for 30 years with an annual interest rate of 7%.
asked on April 19, 2012 
chemistry
For the balanced reaction HCl(aq) + NaOH(aq) ? H2O(l) + NaCl(aq), how many moles of H2O could be produced from 25 g HCl? (You have already done this type of question!
asked on November 29, 2011 
Chem
f 147 grams of FeS2 is allowed to react with 88 grams of O2 according to the following unbalanced equation, how many grams of Fe2O3 are produced? FeS2 + O2 → Fe2O3 + SO2
asked on September 19, 2010 
Macroeconmics
Do you believe the economy is more prone to correcting an inflationary gap or a recessionary gap, and why?
asked on July 17, 2010 
math
im having trouble with ratios...please help!
asked on January 21, 2010 
Art
Is face painting three dimensional art?
asked on May 3, 2009 
art
Search the internet and find one specific example of each of the eight types of art listed below. Your examples should be by established artists and/or from museum collections online. Submit the URL for each example, a description of the art and an
asked on May 1, 2009

physics
A ball is released from a tower at a height of 100 meters toward the roof of another tower that is 25 meters high. The horizontal distance between the two towers is 20 meters. With what horizontal velocity should the ball be imparted so that it lands on
posted on September 17, 2018