solving of linear equations in two variales by addition, Algebra

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7x-4y=19;17x-2y=-31

Write the equation for the perimeter, The image it''s a regtangle with y+2 ...

The image it''s a regtangle with y+2 length and x+4 width

Expressions, how do you simplify an expression of 100

how do you simplify an expression of 100

Logarithm, 4Log5n - log5m = 1 5log5m + 3log5m =14

4Log5n - log5m = 1 5log5m + 3log5m =14

Rank of matrices, how to find rank of matrices

how to find rank of matrices

Agnes, #question.three individuals form a partnership and agree to divid th...

#question.three individuals form a partnership and agree to divid the profits equally x invests \$9000, y invest \$7000 and z invest \$4000. How much less does x receive than if the p

Radicals and formuals, A cyclist bikes 12 blocks south and 5 blocks east, a...

A cyclist bikes 12 blocks south and 5 blocks east, and rides back along a diagonal path. what is the total distance that he travled? show the work

4x^2+8x-16=0

How to solve, -.7y+13.5=7y+31.98

-.7y+13.5=7y+31.98

Present value of annuity, The Fritzes are buying a house that sells for \$18...

The Fritzes are buying a house that sells for \$185,000. The bank is requiring a minimum down payment of 15% for a 30-year mortgage at 5.2% interest. Find (a) the amount of the down