Answer: A
Step-by-step explanation:
X=(2±√4-12)/2
X=(2±2i√2)/2
x1=1+i√2
x2=1-i√2
Hmmmmmm
Let me think for a second
The perimeter will change by the same factor Answer
(I don't know what your question is, but if you're asking about the rate, I got it.)
Answer: 2.6666... meters per second
Explanation/Calculation:
Divide 40 by 15 to get the rate. You get 2 2/3 meters or 2.6666... meters per second.
Hope this helps! :)
100 < 50(1.12)t
2 < (1.12)t
ln 2 < t ln (1.12)
0.6931 < t(0.1133)
6.117 < t
