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garri49 [273]
3 years ago
7

Find the explicit formula for -3,-33,-63,-93

Mathematics
1 answer:
bagirrra123 [75]3 years ago
5 0

Answer:

a n = -3+(n-1)-30

Step-by-step explanation:

-3 - 30 = -33

-33 - 30 = -63

-63 - 30 = -93

The common difference here is -30. d = -30

The explicit formula is a n = a1 + (n-1)d

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3 years ago
Read 2 more answers
How do I do 1 and 5?
Nat2105 [25]
I will show you how to do #5:

a).   -20 + 2(n-1)        Original Expression
       -20 +2n - 2          Distributive Property
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Final Expression: -22 + n


b).  1.5 + (-2.5)(n -1)     Original Expression 
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Final Expression: 4 - 2.5n




8 0
3 years ago
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