Answer: w=5 , L= 2+2(5)=12
Step-by-step explanation:
L=2+2W
A= 60
LxW=60, now we will replace the L
(2+2W)(W)=60 we multiply
2w^2+2w=60
2w^2+2w-60=0 we divide by 2 the equation so we can work easier
w^2+w-30=0
find out w using the quadratic equation
we will get 2 solution,
w=5 and another solution is -6, which is not valid, as the side can not be negative
Answer:
94%
Step-by-step explanation:
<span>x^2-7x+10=28
</span><span>x^2 - 7x - 18 = 0
(x - 9)(x + 2) = 0
x - 9 =0; x = 9
</span>x +2 =0; x = -2
answer
x = 9 , x = -2
Answer:
20+14+9+-11+-4=20
Step-by-step explanation:
