3 years ago

Help I’m timed!!! which expression can be used to convert 80 US dollars (USD) to Australian dollars (AUD)?

2 answers:

Brut [27]3 years ago

8 0

The Answer is the first one or a

7 0

Answer:

Step-by-step explanation:

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TEA [102]

Answer: sometimes

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2 years ago

Genrish500 [490]

arccos (cos pi/2)=?
cos pi/2=0, arccos (0)=?, we know that cos pi/2=0, so cos^-1 (o)= Pi/2, but cos^-1 (o)=arccos (0), so arccos (cos pi/2)=Pi/2

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3 years ago

mars1129 [50]

i have no idea about a but

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2 years ago

charle [14.2K]

Answer:

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3 years ago

ELEN [110]

6.4n^2 is correct. math papa helps

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3 years ago