P -6 6
1 0 2
Matrix A= -1 4 -1 and B = 1 4 1
6 3 -3
3 3 2
(a) Given AB=91, where I is a 3 x 3
identity matrix, find the values
of p and q.
(b) Hence deduce B-1.
(c) Find matrix C if CHAT+AB

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Ответ:

Tylobones

17.04.2023

Mathematics

Nate sold the stock at $53.59.

Step-by-step explanation:

We are given the following in the question:

Cost price if stock = $36.85

Increase in price of stock is given by:

$2 + 40\%(\text{Cost of stock})$

Putting values, we get,

$2 + \dfrac{40}{100}\times (36.85)\\\\=16.74$

Thus, the selling prices is given by:

$\text{S.P = C.P + Increased price}\\=36.85 + 16.74\\=53.59$

Thus, Nate sold the stock at $53.59.

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P -6 6 1 0 2 Matrix A= -1 4 -1 and B = 1 4 1 6 3 -3 3 3 2 (a) Given AB=91, where I is a 3 x 3 identity matrix, find the values of p and q. (b) Hence deduce B-1. (c) Find matrix C if CHAT+AB