Answer:
60 degrees
Step-by-step explanation:
Cos of 60 is 1/2, unit circles helps with this.
The equation is for when you compound annually is

A=future amount
P=initial amount or principal
r=interest rate in decimal form
t=time in years
so
A=A
P=3500
r=7.5%=0.075
t=13


use your calculator
A=8961.4457
round to nearest dollar
A=$8961
that's how much the investment will be worth after 13 years
Answer:

Step-by-step explanation:
. First multiply 7*-6=-42.
Then do 16*13=208.
Simplify by dividing both by 2.
You get
.
Your final simplified answer is 
I hope this helps!
Answer:
Step-by-step explanation:
4×(-5)+4y=15 -> y= 35/4