WILL GIVE BRAINLIEST need help asap
2 answers:
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Answer:
An explicit expression is equal to 3m/8
Step-by-step explanation:
we know that
Function T gives the time the Hobbits have to prepare for the attack, T(k), in minutes, as a function of troll's distance, k, in meters
so
Function V gives visibility from the watchtower, V(m), in meters, as a function of the height of the watchtower, m, in meters
so
Find the composite figure
That will give the time the Hobbits have to prepare for the troll attack as a function of the height, m, of the watchtower
Substitute the variable k in the function T by the function V(m)
simplify
therefore
An explicit expression is equal to 3m/8