to get the equation of any straight line, we simply need two points off of it, so let's use the points in the picture below.
now, if we use the last point from the table, namely (x , 17), we can see that x = x and y = 17, so let's plug those in the equation
![(17)-5=2(x-1)\implies 12=2x-2\implies 14=2x\implies \cfrac{14}{2}=x\implies 7=x \\\\[-0.35em] ~\dotfill\\\\ ~\hfill (7~~,~~17)~\hfill](https://tex.z-dn.net/?f=%2817%29-5%3D2%28x-1%29%5Cimplies%2012%3D2x-2%5Cimplies%2014%3D2x%5Cimplies%20%5Ccfrac%7B14%7D%7B2%7D%3Dx%5Cimplies%207%3Dx%20%5C%5C%5C%5C%5B-0.35em%5D%20~%5Cdotfill%5C%5C%5C%5C%20~%5Chfill%20%287~~%2C~~17%29~%5Chfill)
95% of a normal distribution lies within ±1.96 standard deviations of the mean. That is, ±3 years represents ±1.96 standard deviations, so ...
.. the standard deviation is 3/1.96 = 1.53 years.
Answer:
105
Step-by-step explanation:
if yo add 5 and 14 and 89 it 105
It's the right angle. The circumcenter is in half of hypotenuse.
The formula of a midpoint of segment BC:
We have the points B(-2, -2) and C(7, -5). Substitute:
Answer: (2.5, -3.5)
