Question 1163407
.



            These are simple questions.




To answer first question,  simply substitute  t = 10  into the given formula and calculate.


To answer second question,  simply substitute  t = 30  into the given formula and calculate.



You do not need tutors'  help for this simple and routine assignment  (!)



Everybody and everyone can complete it on his  (or her)  own  (!)



Happy calculations (!)



        +--------------------------------------+
        |    And memorize THIS  (!)  (!)      |
        +--------------------------------------+


<H3>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Making calculations is the students' honor duty and a privilege (!)</H3>


It is a necessary exercise to develop your mind.