Formula for C - 14 dating:
Age = [ ln ( percent/100 ) / ln (1/2 ) ] * 5,730 =
= [ ln ( 0.00921 ) / ln ( 0.5 ) ] * 5.730 =
= [( - 4.68746 ) : ( - 0.6931478 )] * 5,730 =
= 6.7626 * 5,730 = 38,749.56 ≈ 39,000 ( rounded to the nearest thousand )
Answer: The person died about 39,000 years ago.
Answer:
79/120
Step-by-step explanation:
Notice the table of values, thus let's pick two points from it, to check what the slope may be,
![\bf \begin{array}{l|ccccccc} x&-2&\underline{1}&2&\underline{4}&7\\ y&16&\underline{4}&0&\underline{-8}&-20 \end{array}\\\\ -------------------------------](https://tex.z-dn.net/?f=%5Cbf%20%5Cbegin%7Barray%7D%7Bl%7Cccccccc%7D%0Ax%26-2%26%5Cunderline%7B1%7D%262%26%5Cunderline%7B4%7D%267%5C%5C%0Ay%2616%26%5Cunderline%7B4%7D%260%26%5Cunderline%7B-8%7D%26-20%0A%5Cend%7Barray%7D%5C%5C%5C%5C%0A-------------------------------)
the height of the poster must be multiplied by the ratio which is 1 to 2.5 which is 40 cm.
2X + (2X+10)= 34
Width is 6, Length is 11
6 x 11 is 66
Area is 66