Answer:
b
Step-by-step explanation:
Answer:
1.63 Kilograms
Step-by-step explanation:
I started by finding out what the roast beef weighed. Then I added 740, 520, and 370 (what the roast beef weighs). I can work that way because they are all in grams. The total off all that equals 1630 grams. Then I converted that to kilograms. Which will end up giving you 1.63 kilograms.
In order for the inverse to exist, the matrix cannot be singular, so we need to first examine the conditions for existence of the inverse.
Compute the determinant. The easiest way might be a cofactor expansion along either the first row or third column; I'll do the first.
The matrix is then singular whenever
.
With this in mind, compute the inverse.
Answer:
$3652
Step-by-step explanation:
9.75% × $16600 = $1618.50
$16600 - (8 × $1618.50) = $3652
Answer:
r= -15
Step-by-step explanation:
when a negative subtracts a negative you just add more negatives
2r
r= -15
2x-15= -30, -30- -6= -36