Let
x-------------> amount added <span>to each side
</span>A-------------> area increased----------> 84 ft²
we know that
A=(10+x)*(5+x)=84-----------> 10*5+10*x+5*x+x²
50+15x+x²=84----------> x²+15x-34=0
<span>solving the second order equation
</span>x1=-17
x2=2
the answer is x=2 ft
Answer:
Is it anual intrest rate? if so then it would be 1620$ inrest rate and if it was 6% in 9 years it would be 180$ interest rate
Step-by-step explanation:
First one is graph C second one is graph B third is graph D
2(1/3+6a)
this is the answer