Answer:
c. 9 det A
Step-by-step explanation:
Given the following data;
Since A is a square matrix of order 2, we know that n = 2
K = 3
For any scalar k;
∣kA∣ = k^{n} ∣A∣
<em>Substituting into the equation;</em>
∣-3A∣ = -3²∣A∣
Simplifying, we have;
∣-3A∣ = 9∣A∣
= 9 detA
<em>Therefore, det (-3A) = 9 detA</em>
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Answer:
10
Step-by-step explanation:
Answer:
A response variable is a dependent variable. it is a variable which is measured and explained in an experiment
Step-by-step explanation: a response variable must always gwith explanation variable.
Answer:
2) 63:.75
Step-by-step explanation:
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