F(x) = 5(4)^x is the correct answer.
Answer: 868 miles
Step-by-step explanation:
Given: The scale from a map to actual distance is 2.5 cm to 620 miles.
i.e. 1 cm on map = 
If the distance on the map between Chicago and Boston is about 3.5 cm.
Then, the actual distance between them = 
Hence, the approximate distance between Chicago and Boston = 868 miles.
Answer:
7
Step-by-step explanation:
Set up an equation to model the situation. Let (x) represent the unknown number.
(5x) + 3 = 38
Use inverse operations to solve for the unknown,
(5x) + 3 = 38
5x = 35
x = 7
Answer:
H=1/T
K (constant)=HxT
=2x65=130
Step-by-step explanation:
Answer:
10 books
Step-by-step explanation:
5 shelves and 45 books on each of those shelves equals 225. 235 minus 225 is equal to 10 books.