Answer:
6-n
Step-by-step explanation:
The first term, a is 5 and the common difference is - 1.
So an=a+(n-1)d, an=5+(n-1)(-1)=5-n+1=6-n. Answered by Gauthmath
Answer:
a. A consumer testing service is commissioned to rank the top 5 brands of dishwasher detergent. Nine brands are to be included in the study. In how many different ways can the consumer testing service arrive at the ranking?
b. A group of 12 people is traveling in three vehicles. If 4 people ride in each vehicle, in how many different ways can the people be assigned to the vehicles?
the answer is the first one A
Answer:
7 rides
Equation 21.50 = 2.50x + 4
Step-by-step explanation:
21.50 - 4 = 17.50
17.50/2.50 = 7
21.50 = 2.50x + 4
x is the amount of rides
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