valarie

Newest questions and responses by valarie
  1. Math

    Given the following matrix A, find an invertible matrix U so that UA is equal to the reduced row-echelon form of A: You can resize a matrix (when appropriate) by clicking and dragging the bottom-right corner of the matrix. A = 3 3 9 −6 3 3 9 −6 −2

    asked on October 21, 2018
  2. college algebra

    list intercepts for this equation y=7x/x^2+25

    asked on October 11, 2017
  3. 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 5, 2017
  4. Math

    Find the equation of the line, with the given properties, in slope-intercept form. Slope=−4, through (−7,7) The equation of the line is . 

    asked on January 28, 2015
  5. South University

    Find the equation of the line, with the given properties, in slope-intercept form. Slope=−4, through (−7,7) The equation of the line is . 

    asked on January 28, 2015
  6. 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
  7. 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
  8. 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 30, 2011
  9. 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 20, 2010
  10. 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
  11. math

    im having trouble with ratios...please help!

    asked on January 22, 2010
  12. Art

    Is face painting three dimensional art?

    asked on May 4, 2009
  13. 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 2, 2009
  1. 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