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jarptica [38.1K]
3 years ago
7

What is the present value of $4,900 per year at a discount rate of 10 percent if the first payment is received 6 years from now

and the last payment is received 20 years from now?
Mathematics
1 answer:
Nesterboy [21]3 years ago
4 0

Answer:

17640

Step-by-step explanation:

at a discount of 10% per year $4900 is equal to $490 per year

payment started 6 years ago from now and ended 20 years from now

therefore there is an accumulation of 26 years

for 26 years = 26 *$490= $12740

present value therefore = $4900+$12740=$ 17640

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7. a hockey arena has 10 920 seats. the first row of seats around the rink has 220 seats. the number of seats in each subsequent
Mazyrski [523]

The number of rows in the arena is 26

<h3>How to determine the number of rows?</h3>

The hockey arena illustrates an arithmetic sequence, and it has the following parameters:

  • First term, a = 220
  • Sum of terms, Sn = 10920
  • Common difference, d = 16

The number of rows (i.e. the number of terms) is calculated using:

S_n = \frac{n}{2}(2a + (n -1) * d)

So,we have:

10920 = \frac{n}{2}(2 * 220 + (n -1) * 16)

Evaluate the terms and factors

21840 = n(440 + 16n -16)

Evaluate the like terms

21840 = n(424+ 16n)

Expand

21840 = 424n + 16n^2

Rewrite as:

16n^2 + 424n - 21840 = 0

Using a graphical tool, we have:

n = 26

Hence, the number of rows in the arena is 26

Read more about arithmetic sequence at:

brainly.com/question/6561461

#SPJ1

4 0
2 years ago
(-9.1)0= simply this expression
Amanda [17]

Answer:

Well if its -9.1 x 0 that would mean that the answer is 0

Step-by-step explanation:

Use M A T H S P A C E its really helpful

3 0
3 years ago
For a class trip, there are two adults for every 15 students. There are 238 people (adults and students) on the trip. How many s
-Dominant- [34]

Answer:

210

Step-by-step explanation:

x = num of adults

x + 7.5x = 238

8.5x = 238

x = 28

#students = 238-x

                 = 210

8 0
3 years ago
Please help me with this
bija089 [108]

Answer:

not sure to be honest

Step-by-step explanation:

7 0
2 years ago
Points A(–3, –2) and C(4, 5) are the endpoints of a diagonal of a square. Give the coordinates of the other two vertices.
blagie [28]

Answer:

B(4,-2) D(-3,5)

Step-by-step explanation:

you must graph the points and project the lines in X and Y until they intersect and form a square

I attached an image

6 0
4 years ago
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