Answer:
cosx = sqrt(15)/4, -sqrt(15)/4
Step-by-step explanation:
cos²x = 1 - sin²sin x
cos²x = 1 - (1/4)²
cos²x = 15/16
cosx = sqrt(15)/4, -sqrt(15)/4
Answer: 
Step-by-step explanation:
We know the rate for sales tax is:
This means Cindy has to pay for the bouquet of roses and the bouquet of daisies plus the 
of the value of each item.
So, we have to calculate the sales tax for both items:
Hence:
1.6 pieces of pizza for each person.
<span>There are 3 several ways to place an order for 5 items, like for example all or 5 tricycles, the number of wheels that will be needed is 15 wheels, for 5 order of wagons, the number of wheels that will be needed is 20 wheels, then lastly the 5 order combinations like 3 tricycles and 2 wagons the number of wheels that will be needed are 17 wheels.</span>
Answer:
67.59
Step-by-step explanation:
12x0.80=9.60, 9.60x6=57.6, 57.6+9.99=67.59
