Answer:

P₀ = 206 and difference d = 6
Step-by-step explanation:
<u><em>Step(i):-</em></u>
Given that the arithmetic sequence
206,212,218,224,.....
P₀ = 206 and difference d = 212-206 = 6
The
term of the sequence

<u><em>Step(ii):-</em></u>
The
term of the sequence

Put n=20


Answer:
41 units
Step-by-step explanation:
Rectangles have right angles, so we can use Pythagorean theorem to find the diagonal.
c² = a² + b²
c² = 9² + 40²
c² = 81 + 1600
c² = 1681
c = 41
Answer:
Male students have a greater median.
Step-by-step explanation:
The median is the bold line (look at the attached image)
The male's median is greater than 60.
The female's median is less than 60.
Hope that helps!
Answer:
3077.2
Step-by-step explanation:
A circle's mass is found by
Pie times R^2
7^2 is 49, times 3.14 is 153.86
then you Multiply 153.86 by 20 which gives you 3077.2