The variable is how many tanks there are because he wants to know how many fish there are in the whole aquarium and we already know each tank contains five fishes but we just need to know how many tanks there are. :)
Answer:
x ∈ (-∞,-3)∪(0.5,∞)
Step-by-step explanation:
2x^2+6x-x-3>0
2x(x+3)-1(x+3)>0
(2x-1)(x+3)>0
x ∈ (-∞,-3)∪(0.5,∞)
Answer:
300°
Step-by-step explanation:
If 24 hours is 360°, then ...
(20 hours)/(24 hours) × 360° = 300°
Answer:
Step-by-step explanation:
y ≤ x − 5
1<10-5
1<5
Pair: (10,1)
y ≤ −x − 4
-10<-1-5
-10<-6
Pair: (1,-10)
Answer:
4(3 −1)−5=75
Step-by-step explanation:
