Answer:
20
Step-by-step explanation:
Multiply 3 and 7 by 2 and you get 6 and 14 6+14=20 which is the perimeter
Hope that helps!
Answer:
6 coins
Step-by-step explanation:
For every 5 coins Carmen recieves, she gives off 2 to her brother, leaving her with 3 coins, 3x3=9, 2x3=6
Answer:
The volume of the hemisphere
V = 121.33086 cubic centimeter
Step-by-step explanation:
<u>Step(i)</u>:-
Given that the total surface area of a hemisphere = 45π cm²
<em> The total surface area of a hemisphere = 3π r²</em>
Equating
3π r² = 45π

r = 
The radius of the sphere 'r' = 3.87
<u><em>Step(ii):-</em></u>
<em>The volume of the hemisphere</em>


we know that π = 3.14

V = 121.33086 cubic centimeter
Answer:
200
Step-by-step explanation:
it also depends on how many weeks there are in the month but yeah 200 is right.