Answer:

Step-by-step explanation:
Given that,

We need to find the value of cos x.
We know that,

Using the above relation,

So, the value of cos x is equal to
.
We don't know what the question is.
It could be "What is the selling price ?"
If that's the question, then . . .
Since the store marks up their cost by 60% before they sell
the thing, the price they sell it for is
(1.60 of their cost).
You know their cost. The selling price is (1.60 x $80) .
Answer:
x=21
Step-by-step explanation:
add 5 to both sides. it gives u 21
The scale ratio of a point A to another point B is the division of the length of B by the length of A. The best equation that models the situation is: 
The page dimension is:


The length and the width of Uche's book are equal; this means the pages of Uche's book have the shape of a square
The margin of 0.75 on either sided means the usable dimension is:

The dimension of India is:


The longest side in India's dimension is:

From Uche's book, the longest dimension is:

So, the scale equation is:
k * longest length of Uche's book = longest side of India
This gives:


Read more about scale ratio at:
brainly.com/question/16192120
Answer:
4/13 hours
Step-by-step explanation:
Total pounds of lasagna = 4 1/3 pounds
Total time taken to cook = 1 1/3 hours
How many hours per pound did it take to cook the lasagna?
Hours per pound of lasagna = Total time taken to cook / Total pounds of lasagna
= 1 1/3 hours ÷ 4 1/3 pounds
= 4/3 ÷ 13/3
= 4/3 × 3/13
= 4/13 hours
It will take 4/13 hours to cook each pound of the lasagna