Answer:
oh wow let me garba cac
Step-by-step explanation:
Answer:
45 °
Step-by-step explanation:
m< ABC = m< DBC + m< ABD
= 115 _ 70
= 45 °
Answer:
B
Step-by-step explanation:
Let the base of the triangle be <em>b</em> and the height be <em>h</em>.
The sum of the base and height is 14. Thus:

Recall that the area of a triangle is given by:

From the first equation, solve for either variable:

Substitute:

Distribute:

Distribute:

Let <em>b</em> = <em>x</em>. Hence:

Therefore, our answer is B.
Answer: x=138
Step-by-step explanation: I did 180-45=135
so I did 138-3=135
sorry if you don't understand anything I said
Answer:
About 2614 years.
Step-by-step explanation:
We are given k, and the information that N/N0 = 0.77, so the C-14 function becomes:

and we can solve for t:

The estimated age of the bird skeleton is 2614 years.