It’s due today please help me!!

450.00 x 0.7 x 1= 315

450.00 x 0.7 x 2 =630

450.00 x 0.7 x 3 = 945

450.00 x 0.7 x 4 = 1260

450.00 x 0.7 x 5 =1575

450.00 x 0.7 x 6= 1890

450.00 x 0.7 x 7 =2205

450.00 x 0.7 x 8 =2520

450.00 x 0.7 x 9 =2835

450.00 x 0.7 x 10 = 3150

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{x = -1/2 ,   y = -1

step-by-step explanation:

solve the following system:

{2 x + y = -2

{10 x - 3 y = -2

in the first equation, look to solve for y:

{2 x + y = -2

{10 x - 3 y = -2

subtract 2 x from both sides:

{y = -2 x - 2

{10 x - 3 y = -2

substitute y = -2 x - 2 into the second equation:

{y = -2 x - 2

{10 x - 3 (-2 x - 2) = -2

10 x - 3 (-2 x - 2) = (6 x + 6) + 10 x = 16 x + 6:

{y = -2 x - 2

{16 x + 6 = -2

in the second equation, look to solve for x:

{y = -2 x - 2

{16 x + 6 = -2

subtract 6 from both sides:

{y = -2 x - 2

{16 x = -8

divide both sides by 16:

{y = -2 x - 2

{x = -1/2

substitute x = -1/2 into the first equation:

{y = -1

{x = -1/2

collect results in alphabetical order:

answer:   {x = -1/2 ,   y = -1

ok thats very interesting