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Bess [88]
3 years ago
8

What is the Nth term of these numbers 80, 120, 160

Mathematics
1 answer:
grin007 [14]3 years ago
5 0

Answer:

Step-by-step explanation:

80,120,160.....

This is an arithmetic sequence

common difference (d) = 2nd term - 1st term

                                      = 120 - 80 = 40

first term (a) = 80

nth term = a + (n-1)d

              = 80 + (n-1)*40

              = 80 + 40n -40

              = 40 + 40n

               

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Consider the vector add = a + b = [13 12 11 10 10] and sub = a - b = [-11 - 6 - 14 8]. Find the vector a and b.
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Answer:

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The addition of two vectors a and b is defined as

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The subtraction of two vectors a and b is defined as

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After adding (1) and (2), we get

(a + b) + (a - b)= [13   12   11   10   10] + [-11   - 6   - 1   4    8]

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Subtract vector a from both sides.

b = [13   12   11   10   10] - [1   3   5   7   9]

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b = [13-1   12-3   11-5   10-7   10-9]

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154m^2

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