Answer:
x=
Step-by-step explanation:
Q= illumination
I = intensity
Q= I/d^2
Q_total = 
= 
now Q' = 0
⇒I
x=![\frac{16}{\sqrt[3]{2}+1 }](https://tex.z-dn.net/?f=%5Cfrac%7B16%7D%7B%5Csqrt%5B3%5D%7B2%7D%2B1%20%7D)
[/tex]
x=
is the required point
Answer:
The width is 3 yds
Step-by-step explanation:
Area = length * width
18 = 6*w
Divide each side by 6
18/6 = 6w/6
3=w
The width is 3 yds
Answer:
The speed of the boat is 29 km/h and the speed of the stream is 19 km/h.
Step-by-step explanation:
The answer to question 5 is D.5 and the answer to question 9 is (-2,-6)
Answer: yes
Step-by-step explanation:
convert 3/4 so the denominator is the same for both fractions. you would just double the fraction : 6/8
now compare 7/8 and 6/8
7/8 is closer to a whole so yes it is greater x