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Tanya [424]
3 years ago
9

Find the first five terms for the following arithmetic sequence Tn=5n-6?

Mathematics
1 answer:
Vikki [24]3 years ago
6 0

Answer:

The first five terms are -1,4,9,14 and 19.

Step-by-step explanation:

The arithmetic sequence is :

T_n=5n-6

We need to find the first five terms of the sequence.

Put n = 1 for first term.

T_1=5(1)-6=-1

Put n = 2 for second term.

T_2=5(2)-6=\\\\=10-6\\\\=4

Put n = 3 for third term.

T_3=5(3)-6=\\\\=15-6\\\\=9

Put n = 4 for fourth term.

T_4=5(4)-6=\\\\=20-6\\\\=14

Put n = 5 for fifth term.

T_3=5(5)-6=\\\\=25-6\\\\=19

Hence, the first five terms are -1,4,9,14 and 19.

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3 years ago
The distance between two cities on a map is 4.5cm. The map scale is 1cm : 40 miles. What is the actual distance between the two
eimsori [14]

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5 0
3 years ago
4 bells toll together at 9 am. They toll after 7, 8. 11 and 12 seconds respectively. How many times will they toll together agai
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Answer:

5 times

Step-by-step explanation:

What we need to do here is to find the lowest common multiple of 7,8,11 and 12

This is;

1848

Now, let’s calculate the number of seconds in 3 hours

In 1 hour, we have 3600 seconds

In 3 hours, this will be;

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So, to find the number of times in which all 4 will toll together, we need to know the number of 1848 seconds in 10,800 seconds

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8 0
3 years ago
Which list of ordered pairs represents solutions to x + y = 2 ?
Sloan [31]
(-4, 6), (0, 2), (4, -2) are all ordered pairs that have the sum as 2.
-4+6 is the same thing as 6-4 if there's more positive than negative 
0+2=2 because 0 plus a number equals to that number
4-2=2 because you're adding a negative number with the positive number together to get the answer

Just be aware that I might not make any sense at all

3 0
3 years ago
2) What is 8% of 24.52? Round your answer to the nearest hundredth.
alexgriva [62]

What is 8% of 24.52=   1.9616  

just round up

5 0
4 years ago
Read 2 more answers
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