Mathematics, 23.08.2019 11:00 pumkinsrck1840
Alandscaper is designing a flower garden in the shape of a trapezoid. she wants the shorter base to be 3 yards greater than the height, and the longer base to be 7 yards greater than the height. she wants the area to be 225 square yards. the situation is modeled by the equation . use the quadratic formula to find the height that will give the desired area. round to the nearest hundredth of a yard.
Answers: 2
--------> equation 
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--------> equation 
![225=\frac{1}{2} ((z+3)+(z+7))z\\ \\450=[2z+10]z\\ \\2z^{2}+10z-450=0](/tpl/images/0190/7319/63a36.png)
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Alandscaper is designing a flower garden in the shape of a trapezoid. she wants the shorter base to...
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