## Word Problem, Algebra

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A student rented a bicycle for a one-time fee of \$12.00 and then a charge of \$0.85 per day.She paid \$28.15 for the use of the bicycle. How many days did she keep it?

x2+4x-21

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#### Algerbra.., ??2+??2+16??-18??+145=25 Standard form (x-h)^2 +(y-k)^2 k (x...

??2+??2+16??-18??+145=25 Standard form (x-h)^2 +(y-k)^2 k (x^2+16x+64)^2+(y^2-18y+81)^2=25 (x+8)^2+(y-9)^2=120 (h,k)=(8,-9) R=5 Intercepts

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what is 387000000 in scientific notation 89.780000x10^6

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These are the only possibilities for solving quadratic equations in standard form.  However Note that if we begin with rational expression in the equation we might get different so

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#### Rational expression, x/4a^3 / 5x^3/6a^5x

x/4a^3 / 5x^3/6a^5x

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