# 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

2. ## college algebra

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

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

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 .

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 .

6. ## Chemistry

KClO3 = KClO4 + KCl What is the conversion factor to convert between moles of potassium chlorite and moles of potassium perchlorate?

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%.

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!

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

10. ## Macroeconmics

Do you believe the economy is more prone to correcting an inflationary gap or a recessionary gap, and why?

12. ## Art

Is face painting three dimensional art?