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3 years ago

∣−7∣ PLEASE HELP I HAVE 2 MINS TO GO

Mathematics

2 answers:

Anastaziya [24]3 years ago

6 0

Answer:

Step-by-step explanation:

|-7| means to switch it a positive and not a negative so |-7|=7

lapo4ka [179]3 years ago

3 0

Answer:

The absolute value is 7.

Step-by-step explanation:

Because when a number has two lines between it you always make it positive.

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Read 2 more answers

Review

Ahat [919]

Answer: $\bold{a)\quad 51, 54, 57\qquad a_n=a_{n-1}+3}$

$\bold{b)\quad 250, 625, 1562.5\qquad a_n=(2.5)a_{n-1}}$

Step-by-step explanation:

a) This is an arithmetic sequence where 3 is added to the previous term.

48 + 3 = 51

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The recursive formula for this sequence is: $a_n = a_{n-1}+3$

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b) This is a geometric sequence where 2.5 is multiplied to the previous term.

100(2.5) = 250

250 (2.5) = 625

625(2.5) = 1562.5

The recursive formula for this sequence is: $a_n=(2.5)a_{n-1}$

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3 years ago