HELPPPPPPPPPPPPPPPPPPPPPPP T^T PLEASE ANSWER!!!!
1 answer:
Answer:
7 miles per hour.
Step-by-step explanation:
Right now, the relationship in the problem represents 3 miles in hours. To find out what the unit rate is (number of miles per mile), we need to multiply both sides of the equation show BeLoW:
3 =
7 miles = 1 hour
Therefore, Doug's average speed in miles per hour is 7 (7 miles per hour).
:3))
You might be interested in
Combine like terms.
Eliminate a x.
Answer:
The age of the spear head to the nearest year is 1845 years
Step-by-step explanation:
We know that
half life time of C-14 is 5730 years
so, h=5730
we can use formula
now, we can plug value
an archaeologist in turkey discovers a spear head that contains 80% of its original amount of C-14
so,
we can plug it
now, we can solve for t
So,
The age of the spear head to the nearest year is 1845 years