The ph of a person’s eyes is 7.2. therefore, the ideal ph for the water in a swimming pool is between 7.0 and 7.6. write a compound inequality to represent ph levels that could cause physical discomfort to a person’s eyes.

7.0 < x < 7.6

X is the ideal pH of the swimming pool

see explanation

step-by-step explanation:

since the sequence is geometric there is a common ratio r between consecutive terms, that is

r = 4 ÷ - 2 = - 2

r = - 8 ÷ 4 = - 2

r = 16 ÷ 8 = - 2

the next term - 13 must be incorrect as it should be - 32 for the sequence to be geometric.

the first 4 terms are therefore geometric with common ratio r = - 2

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step-by-step explanation:

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