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25 June, 05:23

A diver begins at sea level and dives down 200 feet. He ascends at a steady rate of 121/3 feet per minute for 4.5 minutes. This depth is represented by the numerical expression: - 200 + 121 3 (4.5) Simplify the expression using the order of operations. What is the diver's depth? - 200 + 37 3 (4.5) - 200 + 55.5

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  1. 25 June, 05:32
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    Answer: The divers depth is 144.5 feet below sea level. Or - 144.5 feet.

    To find this answer, you have to plug in 4.5 into the given equation.

    The steps will look like this. I changed 12 and 1/3 to 37/3

    -200 + (37/3) (4.5)

    -200 + 55.5

    -144.5

    This is the depth of the diver after 4.5 seconds.
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