Answer:
Step-by-step explanation:
First of all we need to know the relation between 1 dollar and 1 cent in order to express everything in the units required in the question.
We know that , so the amount paid for the item with single dollars has to be multiplied by 100 to express its value in cents.
Now that we have everything in cents, we can make the subtraction:
Replacing the value in cents we get:
50/80, then divide it by ten so the answer is 5/8. Once the number can divide both numbers your good.
Step-by-step explanation:
This an answer see in picture
Paul has the most pizzas at the end of 9 days. Paul has 66 pizzas while Cindy has 52 pizzas.
Look at the photo to see the work.
Answer:
Step-by-step explanation:
Don't use 0 as a substitute for θ. 0 is always 0.
cosθ = -5/(2√15)
secθ = 1/cosθ = -2√15/5