Answer:
12
Step-by-step explanation:
4*3=12
i really hope this help u :)
The answer to this is
x= 18, -2
Answer:
25
Step-by-step explanation:
okay, so we plug our numbers into the equation:
2a+3b = 2x8+3x3
2x8 = 16
3x3=9
16+9 = 25
Answer: Option 'B' is correct.
Step-by-step explanation:
Let the initial concentration be

Let concentration after t= 90 hours be N
Since we have given that Sodium-24 has a half life of 15 hours i.e.

So, According to question,

As we know that

Hence, Option 'B' is correct.
Answer:
F(X)=7 is the even function
Step-by-step explanation:
f(x)=(x-1)2 is neither odd or even
f(x)=8x is a odd function
f(x)=x2-x is neither odd or even
and f(x)=7 is EVEN