9514 1404 393
Answer:
Step-by-step explanation:
The rotation matrix for 90° CCW is ...
Then the rotated coordinates are ...
_____
The transformation of each ordered pair is ...
(x, y) ⇒ (-y, x)
Answer:
-12
Step-by-step explanation:
-5 7 = -12
Answer:Answer B
Step-by-step explanation:
You get more money that way.
Answer:
20 units
Step-by-step explanation:
Volume of a cylinder = πr²h
V = πr²h
height, h = 7
V = π * r² * 7
V = 8792
8792 = 21.991148 * r²
r² = 8792 / 21.991148
r² = 399.79722
r = √399.79722
r = 19.99unit
r = 20 units