Answer:
(18, - 9 )
Step-by-step explanation:
Under a counterclockwise rotation about the origin of 90°
a point (x, y ) → (- y, x ), thus
A(- 9, - 18 ) → (18, - 9 )
Step-by-step explanation:
midpoint is = (x1 + x2)/2, (Y1+Y2)/2
=(-1+-7)/2, (-2+11)/2
=(-8/2,9/2)
=(-4,4.5)
Answer:
18
Step-by-step explanation:
Just divided
Please Brainliest me
Answer: 311.542 pounds or .155771 tons
Step-by-step explanation:
1 cubic foot = 7.48 gallons
1 gallon = 8.33 pounds
so...
1 cubic foot = 7.48 • 8.33 = 62.3084 pounds
5 cubic feet = 62.3084 • 5 = 311.542
1 ton = 2000 pounds
311.542/2000 = .155771 tons