Answer:
Area of a regular pentagon = pa/2, where p = the perimeter and a = the apothem. If you don't know the perimeter, calculate it from the side length: p = 5s, where s is the side length.
Step-by-step explanation:
The amount spent on each tube is $18.5
The total amount spent to rent 15 tubes by the group is $277.50.
Since they did not specify in the question the types of tubes they rented, we cannot determine each types of tubes that the group rented but we can determine the amount spent on each tube provided that they are all the same types.
∴
if 15 tubes = $277.50
1 tube = $x
By cross multiplying:


Therefore, we can conclude that the amount spent on each tube is $18.5
Learn more about arithmetic operations here:
brainly.com/question/15385899?referrer=searchResults
Answer:
1.5
Step-by-step explanation:
15/10=1.5
21/14=1.5
Check:
10x1.5=15
Hope this helps!
Step-by-step explanation:
You can figure out the missing side length by using proportions because the corresponding side lengths form a proportion. Let's write ratios that form a proportion and find the pattern to figure out the length of the missing side. Looking at this you can see the pattern
That equation has one solution