Answer:
the 19th term of the arithmetic sequence is 73.
Step-by-step explanation:
Given:
The arithmetic sequence whose common difference is
And first term is

Find the 19th term of the arithmetic sequence

Now we know that,

Put all the value in above AP.




So,
term of the sequence is 73.
Answer:
42.2
Step-by-step explanation:
all you have to do is add up the number just how they are
If two lines intersect, then there is only one solution - where they cross.
Looking at the graph, we can see the intersection point of these two lines.
The intersection point is (1,1) - one unit to the right of the origin and one unit up.
Hope this helps! :)
Answer:
Step-by-step explanation:
number of people= 2500
number of children =x
number of adults = 4x
so, 4x+x= 2500
x= 2500/5=500 children
number of men = 1200
number of women = 2500-(1200+500)= 800