Answer:
Step-by-step explanation:
you have to keep the x and the y sepret and then you can divied one by nine then you get the answer so there you go
Answer:
x= 13
both angles are equal to 106
Step-by-step explanation:
8x + 2= 14x - 76
-8x +76 - 8x +76
78 = 6x
78/6 = 13
8 (13) + 2 = 104 + 2 = 106
14(13) - 76 = 182 - 76 = 106
Answer:3/7
Step-by-step explanation:
3 * 1/7 is
3 * 1 = 3
Divided by 7 = 3/7
There’s nothing to simply, as that fraction cannot be reduced
A subtraction problem can be turned in to an addition problem because of negative numbers. Take 5-2=3 for example. If you change 5-2 into an addition problem then you would but he addition sign and a negative sign on 2. This will then leave you with the problem looking like 5+ -2. If you add 5 and -2 you will still get three.
Answer:
and 
Step-by-step explanation:
The equation of the isotope decay is:
14-Carbon has a half-life of 5568 years, the time constant of the isotope is:
The decay time is:
(There is no a year 0 in chronology).
Lastly, the relative amount is estimated by direct substitution:
