Answer:
b. -33
Step-by-step explanation:
The question is about finding the determinant of a 2×2 matrix
General formula; when given matrix A =[ b c ]
[ d e]
the determinant of A = (e×b)-(c×d)
Evaluate
(3 -3)
(-5 -6) = (-6×3) - ( -5×-3)
= (-18)- ( 15) = -33
The actual distance between the two cities are 30 miles.
<h3>What is a scale drawing?</h3>
A scale drawing is a smaller diagram of a larger image / building / object. The scale drawing is usually reduced at a constant dimension
<h3>What is the actual distance between the two cities?</h3>
The actual distance between the two cities = (22.5 X 4) / 3 = 30 miles
To learn more about scale drawings, please check: brainly.com/question/147532
Answer:
D
Step-by-step explanation:
Just look at the symbols lol
Ok so these are the first 3 hope its clear
