hi <3
lets call the unknown number 'x' for now and form an equation from what we know
1/3(x-9) = 15
now multiply both sides by 3
x - 9 = 45
add 9 to both sides
x = 54
hope this helps :)
Is there any guide or institutions on how to do it?
Answer:
lol
Step-by-step explanation:
No it is not anything can have 5 sides but not form a pentogon
Answer:
(9.5×4)/3 = 12.6666666667.
Step-by-step explanation:
thus is the answer.