contestada

The expression - 250 + 16z represents a submarine that began at a depth of 250 feet below sea level
and ascended at a rate of 16 feet per minute. What was the depth of the submarine after 9 minutes?

Respuesta :

jaspreetkour
= -250 + 16z
= -250 + 16(9)
= -250 + 144
= -106 feet

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