document.write( "Question 817845: the area of a triangle is 20 inches. the base is X. the height is x+3. find the actual base and height of the triangle. \n" ); document.write( "
Algebra.Com's Answer #492224 by TimothyLamb(4379)\"\" \"About 
You can put this solution on YOUR website!
a = (1/2)bh
\n" ); document.write( "20 = (1/2)x(x + 3)
\n" ); document.write( "---
\n" ); document.write( "(1/2)xx + (3/2)x - 20 = 0
\n" ); document.write( "(1/2)x^2 + (3/2)x - 20 = 0
\n" ); document.write( "---
\n" ); document.write( "the above quadratic equation is in standard form, with a=1/2, b=3/2, and c=-20
\n" ); document.write( "---
\n" ); document.write( "to solve the quadratic equation, plug this:
\n" ); document.write( "0.5 1.5 -20
\n" ); document.write( "into this: https://sooeet.com/math/quadratic-equation-solver.php
\n" ); document.write( "---
\n" ); document.write( "the roots of the quadratic are:
\n" ); document.write( "x = 5
\n" ); document.write( "x = -8
\n" ); document.write( "---
\n" ); document.write( "the negative root doesn't make sense for a length, so use the positive root:
\n" ); document.write( "---
\n" ); document.write( "Answer:
\n" ); document.write( "b = 5 in
\n" ); document.write( "h = 8 in
\n" ); document.write( "---
\n" ); document.write( "Solve and graph linear equations:
\n" ); document.write( "https://sooeet.com/math/linear-equation-solver.php
\n" ); document.write( "---
\n" ); document.write( "Solve quadratic equations, quadratic formula:
\n" ); document.write( "https://sooeet.com/math/quadratic-formula-solver.php
\n" ); document.write( "---
\n" ); document.write( "Convert fractions, decimals, and percents:
\n" ); document.write( "https://sooeet.com/math/fraction-decimal-percent.php
\n" ); document.write( "---
\n" ); document.write( "Calculate and graph the linear regression of any data set:
\n" ); document.write( "https://sooeet.com/math/linear-regression.php
\n" ); document.write( "
\n" );