Answer:
Hence, the security camera be adjusted in order to have the lens aimed at point. P. on the ground at an angle of depression of. x∘=30∘
Step-by-step explanation:
For 1950, t = 0 and for 1990, t = 1980 - 1950 = 30
Given that <span>the world population in the second half of the 20th century was modelled by the equation
.
</span>T<span>he average world population during the time period of 1950 to 1980 is given by
</span>
POH is the -log [ OH- ]. Using this equation, simply find the -log of the OH- concentration to find the pOH:
pOH = - log ( 0.000086 ) = 4.07