Answer:
The population density is 0.364 fish per gallon.
Step-by-step explanation:
The population density can be defined as the number of individuals (in this case, small tropical fish) per unit of area or volume. In this case, the volume of the aquarium (55 gallon).
The density can be calculated then as:
The population density is 0.364 fish per gallon.
Answer:
50 games
Step-by-step explanation:
(sorry if it makes so sense) The reason of this is because you know that 80%=40 matches so you need to find what the other 20% was... What I did was multiply 50 x .80 to see if it wave me 40 and it did.
Answer:
a. 41.5
b, 26.5
Step-by-step explanation:
a.
2x + 6 = 180
2x = 172
x = 86
b.
2x+ 90 +26+11 = 180
2x+127 = 180
2x = 53
x = 26.5
Y is gonna equal -1 and X is gonna be 3
Answer: distance 2 = 5 ft
<u>Step-by-step explanation:</u>
weight₁ x distance₁ = weight₂ x distance₂
150 × 15 = 450 × d₂
2250 = 450d
5 = d₂
