It will take 8 hours to fill the swimming pool. There is already 9,000 gallons filled, that leaves you with 12,000. 12,000 divided by the rate per hour 1,500. That gives you 8.
Answer:
steps below
Step-by-step explanation:
3 = 2/3 m
m = 9/2
by the matrix property of associative: (A+B)+C = A+(B+C)
H = [-2 8 -1]
m x H = 9/2 x [-2 8 1] = [-9 36 -9/2]
4-1=3 4+1=5+2=7 7-3=4. 4 is your answer
Answer: B: 70, 80, 30
Step-by-step explanation:
An acute triangle has all 3 angles at less than 90 degrees, therefore the answer is B because its the only one that has all three at <90
