JaneLee

Most popular questions and responses by JaneLee
  1. Algebra II

    Solve this system using matrices. 3.7x - 2.3y + 4.2z = 8 2.6x + 4.6y - 3.9z = 10 8x + 2z = 20

    asked on October 26, 2007
  2. Algebra II

    1. If y varies directly as x, and y=30 when x=4, find the constant of proportionality. 2. If y varies inversely as x, and y=2 when x=10, find x when y=4. 3. If a varies jointly as b and c, and a=-10, when b=12 and c=2, find a when b=8 and c=1/2.

    asked on January 28, 2008
  3. English ( Dr. Faustus and To Heaven)

    Write a compare/ contrast essay of Dr.Faustas and To Heaven in regards to one of these issues: grace, forgiveness, salvation, and damnation OR relationship of the individual to cosmic beings like God, Satan, and devils. My essay needs to be between 300 and

    asked on November 14, 2007
  4. Algebra II repost- please check

    I posted these a little while ago but this time I have answered them. 1. Does the graph of y = x – 3x2 + 5 have a maximum or minimum? 2. What is the vertex of the graph of y = -2(x - 3)2 + 4? 3. Does the graph of y = -2(x - 3)2+ 4 open up or down? My

    asked on November 27, 2007
  5. Algebra II

    Can a matrix have a two digit number? I have to add the matrices[3 4] +[2 7] [7 6] +[3 8] Sorry this is the only way I know haw to put matrices on the board.

    asked on October 27, 2007
  6. Algebra II

    1. solve this system using matrices: 3.7x-2.3+4.2z=8 2.6+4.6y-3.9z=10 8x+2z=20 2. Write this system as a matrix equation: -2x+y=8 7x-3y=10

    asked on October 23, 2007
  7. Algebra II

    Does the graph of y = x – 3x2 + 5 have a maximum or minimum? What is the vertex of the graph of y = -2(x - 3)2 + 4? Does the graph of y = -2(x - 3)2+ 4 open up or down?

    asked on November 27, 2007
  8. Algebra II

    What is the first step for solving this system by substitution? DO NOT SOLVE!! 3x-2y=8 x+7y=10 How many solutions does this system of equations have? 3y-6x=12 y-2x=4 My answer is 1 solution. Is this correct?

    asked on October 28, 2007
  9. Algebra II

    Solve this system by substitution 2x-3y=12 x-4y=6

    asked on October 28, 2007
  10. Algebra II

    What are the dimensions of the answer if you multiply a matrix with the dimensions 3 x 0 by a matrix with dimensions 0 x 3?

    asked on October 26, 2007
  11. Algebra 2

    Can someone please explain to me how to solve logarithmic equations? Some examples are: -5=log2X 3^5x+1= 40 and log6X+(log6)7=(log6)35 I hope that makes sense because logs are hard to type.

    asked on April 18, 2008
  12. Algebra II

    Solve: (2x – 3)(3x – 5) = 0 Solve by the quadratic formula. Leave the square root in your answer: 3x2 – x – 8 = 0

    asked on November 28, 2007
  13. Algebra II

    How do you find the vertex of a quadratic function? What are the steps to solving a quadratic function using factoring? Please help!

    asked on November 28, 2007
  14. Kent, England

    I am looking for information on Kent England( location, history, anything). I', doing a family research project and my ancestors are from Kent England.

    asked on November 15, 2007
  15. Algebra II

    How can you tell if a table of values(t-table) represents a direct variation?

    asked on January 29, 2008
  16. Algebra II

    How can you tell if a table of values(t-table) represents a direct variation?

    asked on January 28, 2008
  17. Algebra II

    How do you find the inverse of a matrix?

    asked on October 28, 2007
  1. Algebra II

    No one has to answer I figured it out. Sorry to waste your time. JaneLee

    posted on October 28, 2007
  2. Algebra II

    Yes I ment 3 x 1 multiplied by 1 x 3. Sorry.

    posted on October 26, 2007