Answer:
x = 9
Step-by-step explanation:
(3x - 21) = (2x - 13) eliminate by subtracting 2x and add 21 on both sides
x = 9
That is one half also 1/2 if this was not what u where looking for then just tell me
Part A is y=2x+5
I’m not sure if you need help with part b but I can’t fully see the question.
Answer:
60
Step-by-step explanation:
60* of the circumference would be 60-the total circumference.
Answer:
a) The value of 
is 81.30.
b) The value of is 81.
Step-by-step explanation:
a) The value of is the ratio of the mass of the Earth to the mass of the Moon. That is:
The value of is 81.30.
b) If is a integer, then the result must have only two significant figures. Given the result, we must approximate to the closest integer. That is:
The value of is 81.
