Answer:
a₈ = - 10935
Step-by-step explanation:
the nth term of a geometric sequence is
= a₁ 
where a₁ is the first term and r the common ratio
here a₁ = 5 and r = 
= 
= - 3 , then
a₈ = 5 × 
= 5 × - 2187 = - 10935
Answer:
D
Step-by-step explanation:
-3 and 3 are opposites but 5 (y), is the same
11/15=.7333333 so the one with the line above the 3 only
Answer:
20 dimes and 8 nickels
Step-by-step explanation:
20 dimes = 10 x 20 = $2.00 and 8 nickels = 40 cents.
total is 2.40
Answer:
Step-by-step explanation:
C=0.14×7,200=1008
Nadia made a total of $1008 last week in commission sales
b). To express the total amount she made in 2011, we derive the formula below;
Total amount (2011)=Average weekly commission× number of weeks in 2011
where;
Average weekly commission=$1008
number of weeks in 2011=52
replacing;
Total amount (2011)=(1008×52)=52,416
The total amount Nadia in commission in 2011=$52,416
