What is 2 3/4 + -2 1/2
1 answer:
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Answer:
a₅₂ = - 212
Step-by-step explanation:
The nth term of an arithmetic sequence is
= a₁ + (n - 1)d
where a₁ is the first term and d the common difference
Here a₁ = - 8 and d = a₂ - a₁ = - 12 - (- 8) = - 12 + 8 = - 4 , then
a₅₂ = - 8 + (51 × - 4) = - 8 - 204 = - 212
Answer:
4 minutes
Step-by-step explanation:
There are two hours from 11:30 a.m. to 1:30 p.m
The hourly rate of service is:
If the average number of customers in the system (n) is 10, the time that a customer spends in process is given by:
Converting it to minutes:
A customer spends, on average, 4 minutes in process.