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Help pwease:

Please!!

Help Pwease Please class=

Sagot :

9514 1404 393

Answer:

  C

Step-by-step explanation:

Look at the units.

  A. km²/(m·min)

  B. m·min/hr²

  C. m/min . . . . . . . . the units we want

  D. km²·min/(hr²·m)

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Additional comment

Units can be treated as though they were a variable. This is especially true when it comes to addition and subtraction, where you can only combine "like" terms. You can add 3 m + 2 m = 5 m, for example, but not 3 m + 2 cm. You must convert to some common unit before you can do that last addition.

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