The sequence is: cos(π/2), cos (π ), cos (3π/2), cos ( 2π ),...
or: 0,-1,0,1,0,-1,0,1,... Since cos (nπ/2) oscillates between -1 and 1 as n tends to infinity, this sequence is divergent (limit does not exist).
Answer:
-20
Step-by-step explanation:
(-a/2=10)/-1
=a/2=-10
a=-10*2
a=-20
Answer:
2x+170 miles
Step-by-step explanation:
Day 1: x miles
Day 2: x + 170 miles
Add both
x + x + 170
= 2x + 170
2/4 is equal to 3/6 because they both are equal to 1/2
Answer:
Jack would have 6 apples left.
Step-by-step explanation:
If Jack had 10, and sally ate 4. You would do 10 - 4 to get 6.
