Vektor i adalah vektor satuan yang searah dengan sumbu X (dalam dimensi dua). Vektor jika dinyatakan dalam bentuk kolom adalah

Step-by-step explanation:

We know that the given unit vector is in the direction of the x-axis.

Remember that an unit vector is a vector which magnitude is the unit, that's why is called like that.

So, the given unit vector can be written as , where indicates the horziontal coordinate and indicates the vertical coordinate.

As a vertical or colum vector would be

Therefore, the answer is

4+n=5

step-by-step explanation:

this is because the four is four hours and the n represents the 1 extra hour over the weekend.

b= i'm srry i don't know that one.

4+n=5 n=1 because if vernon plays 5 hours a week then 4+1=5 hours.

hope this : )