Answer:
<em>80 - 2x</em>
Step-by-step explanation:
Given
Total number of people = 80 people
Total men = x men
Total women = x women
Let the number of childeren be c
x + x + c = 80
Make c the subject of the formula
c = 80 - (x+x)
c = 80 - 2x
<em>Hence the total children attending is 80 - 2x</em>
Answer:
1722
Step-by-step explanation:
1872−152=1720
1720+2
=1722
Answer:
1
Step-by-step explanation:
(Cot t) (Sin t)/(Cos t)
cot = cos / sin
Replacing cot t with cos t / sin t
cos t/ sin t * (Sin t)/(Cos t)
Canceling the sin t's
cos t / cos t
1