She can try reading stories, correct her mistakes on her own and then check to see how she has done, she can study Riggs too.
Answer: b) it is used to formulate and define a problem more clearly.
Explanation:
Qualitative Research involves the use of qualitative data in research. Qualitative data refers to data that is non-numerical such as text, videos, and audio. When using this type of data, the source of the information is able to explain concepts more precisely as opposed to Quantitative data that limits sources to certain responses. With this more precise explaining comes the ability to formulate and define a problem much more clearly.
Answer: I=-1/5-2/5i
Explanation: V=IZ
1-i=I(1+3i)
Make I subject
I=(1-i)/(1+3i).
multiply numerator and denominator by conjugate( 1-3i).
The denominator will become
1-9*i^2=1+9=10.
The numerator will be expanded to be 1-3i-i+(3i)^2=1-4i-3=-2-4i.
This is I= (-2-4i)/10
divide numerator and denominator by -2. We have:
I=-(1+2i)/5
I=-1/5-2/5i