Answer:
5 for the first and 4x for the second one also plz give heart
Step-by-step explanation:
i just know
(X+3)(x+7) X+7
————— = ——
(X-3)(x+3) X-3
The equation for this line would be y=2x-4
Answer:
Product B performed worse in the study because 86% failed to get relief with this product, whereas only 78% failed to get relief with Product A
Step-by-step explanation:
We are given the following in the question:
Product A:
Number of people,

Number of people who received relief,

Proportion of people who received relief from product A =

Proportion of people who did not received relief from product A =

Product B:
Number of people,

Number of people who received relief,

Proportion of people who received relief from product B =

Proportion of people who did not received relief from product B =

Product B performed worse in the study because 86% failed to get relief with this product, whereas only 78% failed to get relief with Product A
i can not give the answer unless you still cannot find it after these steps but I have steps that might help
1. Set the matrix (must be square).
2. Reduce this matrix to row echelon form using elementary row operations so that all the elements below diagonal are zero.
3. Multiply the main diagonal elements of the matrix - determinant is calculated.