03/12/13
Solving the system of equations by the addition method?
How do you solve?:
8x-3y=9
40x-15y=18
Thank you!
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Factor trinomials by grouping?
How do you factor these two separate equations?:
6x2+x-57
And also...
2x2-2x-12
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03/12/13
What is the system of quations??
What is the system of equations for these two and how do you find it?:
y=x-3 and y=2x-5
Also these two?:
2x+y=-1 and y=-3
Thank you!
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03/12/13
What is (9z+8)^2?
How do you find the answer to (9z+8)^2? Thank you!
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03/03/13
Factoring 56x squared + 95x +36
How do I factor this trinomial? Thank you!
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Find two numbers such that 6 times the first added to 5 times the second equals -9, and 5 times the first added to 8 times the second equals 4.
I'm not sure how to answer this problem so any help on how to solve this problem would be appreciated. Thanks!
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02/18/13
If 5 times A's salary exceeds twice B's by $6400, and 4 times A's salary exceeds 3 times B's by $2600, find the salary of each man and show work.
I'm not sure how to set this problem up and would like to see how it's done. Thanks!
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