Hello,
Magnetude is the norm of the vector=V13
Polar angle=arctan(2/3) ==>33.69...°
I don't know can u explain
Answer:
X: amount of a spare part of price $74 per unit.
Y: cost of purchasing X spare parts.
Step-by-step explanation:
We can imagine that X represents the amount of an object, for example a car spare part, which price is $74 per unit.
Then, Y would represent the cost of purchasing X units of that spare part.
There are 150 teachers because 20 * 150 is 3000.