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Tutors Answer Your Questions about Linear-equations (FREE)
Question 68441: An inheritance of $24,000 is to be divided among three trusts, with the second trust received twice as much as the first trust.The three trust pay interest at the rates of 9%,10%,and 6% respectively,and return a total in interest of $2210 at the end of the first year.How much was intvested in each trust?
Click here to see answer by anuttam(1)   |
Question 68605: the solutions of line m are (3,3), (5,5), (15,15), (34,34), (678,678), and (1234,1234)
The solutions of n are (3,-3), (5,-5), (15,-15), (34,-34), (678,-678), and (1234,-1234)
Form the equations of both the lines?
What are the co-cordinates of the intersection of line m and n?
Write the co-ordinates of the intersection of lines m and n with the x axis.
Write the co-ordinates of the intersection of lines m and n with the y axis?
Click here to see answer by ankor@dixie-net.com(6693)  |
Question 68604: the solution of line m are (3,3), (5,5), (15,15), (34,34), (678,678), and (1234,1234)
Click here to see answer by checkley71(8405) |
Question 68777: Solve the system of equations using the addition (elimination) method.
If the answer is a unique solution, present it as an ordered pair: (x, y). If not, specify whether the answer is “no solution” or “infinitely many solutions.”
3x – 2y = 7
-9x + 6y = -21
Click here to see answer by jim_thompson5910(13787) |
Question 68775: Solve the system of equations using the substitution method.
If the answer is a unique solution, present it as an ordered pair: (x, y). If not, specify whether the answer is “no solution” or “infinitely many solutions.”
-4x + y = 8
2x + 3y = -1
Click here to see answer by rmromero(383) |
Question 68776: Solve the system of equations using the addition (elimination) method.
If the answer is a unique solution, present it as an ordered pair: (x, y). If not, specify whether the answer is “no solution” or “infinitely many solutions.”
5x + y = -2
4x + 7y = 2
Click here to see answer by rmromero(383) |
Question 68910: Find k if he following system of equations has a unique solution?
2x+(k-1)y=6
3x+(2k+1)y=9
find k if the following system of equations has a infinite solutions?
kx+3y=k-3
12x+ky=k
I have tried these problems but I'm lost I do understand what a unique and infinite is just don't understand how to do the problem?
Click here to see answer by Edwin McCravy(2922) |
Question 68959This question is from textbook
: If you were asked to solve 2x + 3=4x-12 by the x-intercept method, why would you not get the correct answer by graphing? I am really bad at this, and need to learn it step by step (like talking to a baby!)This question is from textbook
Click here to see answer by checkley75(3666) |
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