juansebas35
09.10.2019 •
Physics
Use the definition of scalar product, a with arrow · b with arrow = ab cos θ, and the fact that a with arrow · b with arrow = axbx + ayby + azbz to calculate the angle between the two vectors given by a with arrow = 5.0i hat + 5.0j + 4.0k and b with arrow = 6.0i hat + 3.0j + 5.0k.
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Ответ:
5 * -2
Everyday, he takes $2, so he's going to be $2 more in debt each day. This means he's going to have -$2 each day.