Answer:
1/3
Step-by-step explanation:
Answer:
sin A = 4/5
Step-by-step explanation:
Since this is a right triangle, we can use trig functions
sin A = opp / hyp
sin A = 24/ 30
Dividing the top and bottom by 6
sin A = 4/5
The sequence is arithmetic as it goes down 3 every time
Arithmetic nth term formula is an=a1+d(n-1)
an=7-3(n-1)
an=7-3n+3
an=-3n+10
To find the 100th term substitute n for 100
a100=-3(100)+10
a100=-300+10
a100=-290
The 100th term is -290
Subtract 1 from both sides and it will become >> 11-1/5r=2r
Add 1/5r to both sides >> 11=11/5r
Divide both sides by 11/5 >> 2=r
r=5
