Answer:
6.67 yards is 20 feet. 8 yards is 24 feet. Not quite sure of the question
Step-by-step explanation:
a.
b. Not exactly sure how DeMoivre's theorem is relevant, since it has to do with taking powers of complex numbers... At any rate, multiplying 
and 
is as simple as multiplying the moduli and adding the arguments:
c. Similar to (b), except now you divide the moduli and subtract the arguments:
Answer:
14cm^2
Step-by-step explanation:
Area of a triangle is (base×height)/2
(4×7)/2
28/2
=14 centimetres squared
Answer: X=2 and y=3
Step-by-step explanation: 2x2=4 and 3x3=9 and 9+4=13
Hi!
We will find the sum you are looking for like this:
3 * 1,19$ + 6 * 2,29$ = 3,57$ + 13,74$ = 17,31$.
Hope this helps!
