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genyjoannerubiera
17.11.2019 •
Mathematics
Alab technician is driving a cell that has a diameter 4.32 x10^-4 millimeters. each of the new cells has a diameter measuring exactly one half of the diameter of the original cell. which is the diameter of a new cell?
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Ответ:
The new cell has 1/2 the diameter of the original cell.
The new diameter is 0.5*(4.32 x 10⁻⁴ mm) = 2.16 x 10⁻⁴ mm
2.16 x 10⁻⁴ millimeters
Ответ:
So the complementary angle to 58 is:
90-58 = 32°
Now we are looking for the cosine (32°)
On your calculator type in COS (32) = 0.848