(( AY + AC ) / B ) + C = y
Answer:
I think it is C-D.
Step-by-step explanation:
-2/(a+b)
Explanation: you are dividing negative two by the sum of a and b so you would put a+b in parentheses as the denominator and then put -2 as the numerator
Answer:
1.25kg
Step-by-step explanation:
useing the problem the half life equation will be:
f(x)=5(0.5)^(x/140)
x is amount of days
so plugging in 280 for x will get 1.25kg
If your adding its 17, Subtracting its 7, multiplying its 60 and dividing its 2.4 hope this helps
