Answer:
B(-1, 0)
Step-by-step explanation:
coordinates of midpoint p(x,y) are calculated as
---------- (1)
-----------(2)
Here
and 
<u>Using equation (1)</u>
<u />
<u />
<u>Using equation (2)</u>
<u />
<u />
Answer:
25 grams
Step-by-step explanation:
Three half live
1/2 * 1/2 * 1/2 = (1/2)³ = 1/8
There would be 1/8 of the original amount left
185 * 1/8 = 23.125
Rounded
25 grams
u have to calcuate there outsides by multiplying
1) 3^3 * 4^3 = 12^3
2) 3^4 * 3^3 = 3^7
3) 3^4 * 4^3 = 12^12
They are all equal.