Mathematics, 24.07.2020 07:01 talahtoo6659
The salary scale for a senior officer starts at N57000
per annum. A rise of N2800 is given at the end of each
Find the total amount of money that the officer will
year.
earn in 14 years.
Answers: 2
![S_n=\frac{n}{2}[2a+(n-1)d]$ ,where: \left\{\begin{array}{lll}$First term, a=57,000\\$Common difference, d=2,800\\$Number of terms, n=14\end{array}\right](/tpl/images/0712/3280/39aa4.png)
![S_{14}=\frac{14}{2}[2(57,000)+(14-1)(2,800)]\\=7[114,000+13*2800]\\=7[150,400]\\=1,052,800](/tpl/images/0712/3280/2acb6.png)
Another question on Mathematics
Mathematics, 21.06.2019 19:30
Acabinmaker buys 3.5 liters of oat varnish the varnish cost $4.95 per liter what is the total cost of 3.5 liters
Answers: 1
Mathematics, 21.06.2019 21:30
The expression 1.01*1.005(^t) gives the amount of money, in thousands of dollars, in carter's savings account (t) years after he opens it. what does 1.01 represent in this expression?
Answers: 1
Mathematics, 22.06.2019 00:30
One positive integer is 2 less than another. the product of the two integers is 24. what are the integers
Answers: 1
Mathematics, 22.06.2019 00:50
4. a single woman uses an online cash flow calculator which reveals a cash flow of 203. what does this mean?
Answers: 3
You know the right answer?
The salary scale for a senior officer starts at N57000
per annum. A rise of N2800 is given at the e...
Questions
Computers and Technology, 26.03.2020 19:56
Computers and Technology, 26.03.2020 19:56
Mathematics, 26.03.2020 19:56
Mathematics, 26.03.2020 19:56
Chemistry, 26.03.2020 19:56
Mathematics, 26.03.2020 19:56
