Because 3 2/4 would be the answer when you subtract it and most teachers and/or tests want you to simplify the answer which would be 1/2 because you would divide the numerator and denominator by 2.
Answer: i - j - k
Step-by-step explanation:
Taking the cross product between two vectors will give you a third vector that is orthogonal(perpendicular) to both vectors.
<1,1,0> x <1,0,1>
the determinate of the matrix: <1,-(1),-1>
or: i - j - k
A. $90
150 x .40= 60
150-60=90
Answer: 44 dollars
Step-by-step explanation: