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Math: Help, I need to know how you got the answer, please reply with actual help... thank you

Math: Help, I need to know how you got the answer, please reply with actual help... thank you
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Math: Help, I need to know how you got the answer, please reply with actual help... thank you

Math: Help, I need to know how you got the answer, please reply with actual help... thank-example-1
User Brankodd
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\bf \begin{array}{lllll} &x_1&y_1&x_2&y_2\\ % (a,b) &({{ 2003}}\quad ,&{{ 510000}})\quad % (c,d) &({{ 2012}}\quad ,&{{ 810000}}) \end{array} \\\\\\ % slope = m slope = {{ m}}= \cfrac{rise}{run} \implies \cfrac{{{ y_2}}-{{ y_1}}}{{{ x_2}}-{{ x_1}}}\implies\cfrac{810000-510000}{2012-2003}\leftarrow \begin{array}{llll} average\\ rate\ of\\ change \end{array}
User Az
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