Hello,
Let's x then number of students.
x is divisible by 12,15,18 thus by 180 (lcm)
x=180*k is a square
2²*3²*5*k= a square ==> k=5
x=180*5=900
Proof:
900/12=75
900/15=60
900/18=50
900=30²
<span>V(t) = 25000*0.85^t
----
V(5) = 25000*0.85^5 = $11092.63
=$11093</span>
Answer:
Step-by-step explanation:
It represents the initial number of bacteria to start with. It can represent nothing else.
Answer:
D. (-2, -11)
Step-by-step explanation:
Since -2 - 9 = -11, it fits into the equation x - 9 = y, with -2 being "x" and -11 being "y".
And out of all the options, D is the only one that works.
