# Questions on Algebra: Linear Algebra (NOT Linear Equations) answered by real tutors!

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 Algebra: Linear Algebra (NOT Linear Equations) Solvers Lessons Answers archive Quiz In Depth

 Question 257940: Can someone please help a Soldier out here. I am not sure how to set up this problem. Use the fundamental principles of counting or permutations to solve the problem. An auto manufacturer produces 7 models, each available in 6 different colors, with 4 different upholstery fabrics, and 5 interior colors. How many varieties of the auto are available? Click here to see answer by Greenfinch(383)

 Question 258044: The raw scores on a test range from 22 to 78. The teacher would like to rescale the scores from 60 to 95. Find the linear function that will rescale the scores. What will a raw score of 45 be worth? What raw score will convert to a 90? (round to the nearest whole point) Click here to see answer by stanbon(57307)

 Question 258151: I need to know the x and y intercepts of the problem -x-y=2 Click here to see answer by richwmiller(9135)
 Question 258151: I need to know the x and y intercepts of the problem -x-y=2 Click here to see answer by drk(1908)

 Question 258389: Determine the shortest distance from (9,5) to 5x + 3y =15 Click here to see answer by stanbon(57307)
 Question 258389: Determine the shortest distance from (9,5) to 5x + 3y =15 Click here to see answer by richwmiller(9135)

 Question 258778: 2x-4y=6 2x+y=1 my teacher said to solve this by using substitution but i keep getting the worng answer, help plz :)! Click here to see answer by Fombitz(13828)
 Question 258778: 2x-4y=6 2x+y=1 my teacher said to solve this by using substitution but i keep getting the worng answer, help plz :)! Click here to see answer by richwmiller(9135)

 Question 258777: 2x-4y=6 2x+y=1 my teacher said to solve this by using substitution but i keep getting the worng answer, help plz :)! Click here to see answer by Fombitz(13828)

 Question 258847: the equation is....1/6(x+12)+1=x/3 I believe i use the common denominator 6 to multiply each side?? If so, how do I multiply 6(x/3)? thank you gjvasquez@cox.net Click here to see answer by Fombitz(13828)

 Question 258682: Can you just give me how to start this problem - Find the determinant of the matrix 1 1 1 - - - 1 1 2 2 - - - 2 1 2 3 - - - 3 - - - - - - - 1 2 3 - - - N Would you expand the whole thing and solve?? Click here to see answer by Fombitz(13828)

 Question 259285: x + 2/5 = 2/3 I know the answer is 4/15 (used grade school math to solve it). but I am having difficulty with the simplification of the lcd Click here to see answer by richwmiller(9135)

 Question 259883: solve each linear equation using any technique name the technique 3x/4 + 6 = -12 Click here to see answer by rfer(12657)

 Question 261601: find the slope of the line that passes through the given points (2, -9) (3, -9) Click here to see answer by richwmiller(9135)

 Question 261910: Not sure if this is the right place. I have 2 questions: 1) bx - cx = -c How do I solve these? Thanks a lot!!! 2) 2/5 (x + 1) = g Click here to see answer by richwmiller(9135)

 Question 261930: 2/5 (x + 1) = g Solve for x Click here to see answer by checkley77(12569)

 Question 261929: bx - cx = -c Solve for x Click here to see answer by dabanfield(803)
 Question 261929: bx - cx = -c Solve for x Click here to see answer by checkley77(12569)

 Question 262271: determine the poynomial whose graph passes through the points (-1,1), (0,-2), (1,0), and (2,-1) Click here to see answer by solver91311(16877)

 Question 262322: i need help i truly do not understand. and i do not want to flunk out of college because of not understanding alegabra. will you haelp me Click here to see answer by richwmiller(9135)
 Question 262322: i need help i truly do not understand. and i do not want to flunk out of college because of not understanding alegabra. will you haelp me Click here to see answer by unlockmath(1599)

 Question 262388: im not sure how to do this =( x=y+2 x=-7-7 Click here to see answer by drk(1908)

 Question 262278: How are arithmetic sequences related to linear functions? Click here to see answer by drk(1908)

 Question 262916: what is the value of the determinant? 3 6 8 2 4 0 3 6 8 Click here to see answer by jim_thompson5910(28555)

 Question 262930: Use determinants to determine the number of solutions for each of the following system. 3x - y = -6 2x = 3y + 2 Click here to see answer by Alan3354(30993)

 Question 262927: Using Cramer's rule solve 2x - y = 4 3x + y - z = 10 y + z = 3 Click here to see answer by jim_thompson5910(28555)