The answer my good sir is 1 2/5
Answer:
( 1 + x) ( 7 - x)
Step-by-step explanation:
Here's what I did
16 - ( x - 3)^2....expand this
16 - (x² + 6x + 9).....after exanding
16 - 9 + 6x - x²......like terms together
7 + 6x - x² ......rearrange
-x² + 6x + 7......look for the product, sum and factors
( 1 + x) ( 7 - x)
Answer:
yes is it is geometric sequence with a common ratio of 3
Step-by-step explanation:
Determine if there is a common ratio
12/4 = 3
36/12 = 3
108 =36 =3
The common ratio is 3
Answer:
4.083g
Step-by-step explanation:
12 g of a radioactive substance are present initially and eight years later only 6 g remain, how much of the substance will be present after 11 years
Starting with half life, we want to find k.
In a 4 year period, t=8 and A quantity will be reduced to (1/2)*A.
(1/2)= e^k8
In(1/2)
