Answer:
a1=2 and r=-1
Step-by-step explanation:
Given
geometric series= 2-2+2-2+2
geometric sequence has a constant ratior r and is given by
an=a1r(r)^(n-1)
where
an=nth term
r=common ratio
n=number of term
a1=first term
In given series:
r= a(n+1)/an
= a(2)/a1
= -2/2
=-1
so a1=2 and r=-1 !
Answer:
The answer would be C 60/4=15 mpg
Step-by-step explanation:
As
cosec^1/2 (B)- cot^1/2(B)=1
so cosec^1/2(B)= 1+ cot^1/2 (B)
Answer:
-8 + 9x - 31x
-8 + 9 = 1
1 - 31 = 30
The temp was -30° on Wednesday
Answer:
A high school coach wants to buy new athletic shorts for the 15 members of the basketball team. The coach must spend less than $200 on the shorts. Which inequality represents the maximum cost of each pair, s, the coach can buy?
15 s less-than 200
15 s greater-than 200
15 s less-than-or-equal-to 200
15 s greater-than-or-equal-to 200
Step-by-step explanation:
