The height of a tower and the distance of the point of observation from its foot, both, are increased by 20%. The angle of eleva
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Answer:
x =
Step-by-step explanation:
Given
= - 4
Multiply both sides by 5
3ax - n = - 20 ( add n to both sides )
3ax = - 20 + n = n - 20
Isolate x by dividing both sides by 3a
x =