The Rule of 72 is a basic method to decide how stretched an investment
will take to double. It is specified with a fixed annual rate of interest. The
annual rate of return would be divided by 72, stockholders can now get an
approximate guess of how many years it will take for the original investment to
duplicate itself.
So basically, the formula is 72/r where r is the annual
rate. So the solution for this is to divide 72 by 18, to get the answer. The answer
is 4 years.
If you would like to know how far did Mackenzie run in one hour, you can calculate this using the following steps:
26 1/5 = 131/5 miles ... 5 4/5 = 29/5 hoursx miles = ? ... 1 hour
131/5 * 1 = 29/5 * x131/5 = 29/5 * xx = 131/5 * 5/29x = 131/29x = 4 15/29 miles
The correct result would be 4 15/29 miles.
Hope this helps :D
Area of a trapezoid formula:
A = 1/2(Base1 + Base2)*height
I will assume that WX and YZ are the two bases, since that's the only thing that logically makes sense to answer the question.
Plug in what we know
I believe the Area is meant to be 144 unit^2, as no area is ever given as 144^2
144 = 1/2(18 + 18) * h
solve for h
144 = 18 * h
h = 144/18
h = 8
The height is 8.
Answer:
25.1349955242 m²
Explanation:
C = 2√πA
This means that the circumference is 2 multiplied by the square root of pi. multiplied by the area.
Pi. - 3.14
Area - 50.3
√πA - 12.5674977621
2 · 12.5674977621 = 25.1349955242
Circumference - 25.1349955242
