Answer:3
Step-by-step explanation:r( cos Ф + i sinФ) is the fifth root of 243(cos 240 + i sin 240), then r^5( cos Ф + i sin Ф )^5 = 243(cos 240 + i sin 240).
Hello!
First you have to find out how many hours are in a day
There are 24 hours in a day
Since 1200 people pass a day to find the hourly rate you do
1200 / 24
This gives us the answer of 50
Hope this helps!
Answer:


Step-by-step explanation:
Given
--- perimeter
See attachment for fence
Required
x and y
The perimeter of the fence is:

Open bracket

Collect like terms


Substitute: 

Make 4y the subject


Make y the subject

The area (A) of the fence is:


Substitute: 


Take LCM

Solve like terms

Open bracket

Remove fraction

Differentiate both sides

To maximize; set 

Solve for 3x

Solve for x

Recall that: 
So, we have:



Answer:
290 in^2
Step-by-step explanation:
front side x 2 = 176
top + bottom = 48
sides x 2 = 66
Sum = 290