Answer:
x = sine 70° / 8
Step-by-step explanation:
(2-5i)(3+i)
use foil method to expand it into standard form
6+2i-15i+5i^2
5i^2-13i+6
Answer:
14.13 ft²
Step-by-step explanation:
The area of a semicircle is

We were given the radius of the semicircle to be: r=3 feet.
We were also asked to use π as 3.14.
We substitute into the formula to get:

This is the same as:

Or


The area of the semicircle is 14.13 ft²
Answer: 21
Step-by-step explanation:
Take 12 and multiply it by 1.75 (12x1.75) and you’ll get 21