Answer:
Step-by-step explanation:
To write a circle in standard form, expand the equation of the circle and move all terms to one side.
Answer:
23/24
Step-by-step explanation:
I used my calculator, but find the greatest common factor which is 24 and convert and multiply to get 23/24.
Answer:
12 power 12
Step-by-step explanation:
Since the have the same base 16-4=12
So its 12 to the twelfth power
Answer:
solution = (1.-2)
Step-by-step explanation:
put x= 1 and y = -2 in this system : y=-4x+2 and y + 2x = 0
you have : - 2 = - 4(1)+2 and -2 +2(1)=0
-2=-2 and 0=0 .....right
Answer:
19 gram
Step-by-step explanation:
Formula of mass left after ionising: 
where M is original mass and n is half lives.
Using the equation:
→ 18.75
Therefore, 18.75 g left after ionising.
∵ If rounded to nearest gram then 19 gram.
