heyyyyy39
22.12.2019 •
Mathematics
Ariel receives
$42
for working a full day doing inventory at a hardware store. how much can she get for working
2/7
of a day?
Solved
Show answers
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Ответ:
Ответ:
C
Step-by-step explanation:
The formula we use to solve this would be:
Where
T is the period in seconds
v is the speed of the wave in m/s
We have
equal to 100, and v = 200 m/s. Plugging these into the equation, we get the period:
C is the right answer.