Answer:
rational
Step-by-step explanation:
irrational is something like pi or square root of 3, -27 is a simple number.
The value of c from the given expression is -
<h3>Function and values</h3>
Given the following function
c(n)= −c(n−1)+1
Given the following parameters
c(1)=3
Substitute
3 = −c(3−1)+1
3 = -2c + 1
-2c = 3-1
-2c = 2
c = -1
Hence the value of c from the given expression is -1
Learn more on equation here: brainly.com/question/2972832
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Answer:
30
Step-by-step explanation:
2/3 = x/18
2*18 = 3x
36 = 3x
x=12
so there are 12 boys
12+18=30