Make x the subject of: 2x + a = b (x - 2)
1 answer:
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Answer: 2.11 s
Step-by-step explanation:
Given
Equation of rockets height is given by
Height will be zero once the rocket lands on the ground
So, we can write
The tangent half angle formula, one of several, is
We have θ is opposite 4 in the 3/4/5 right triangle so
Answer: 1/2
This is actually pretty deep. It says half the big acute angle in the 3/4/5 triangle is the small diagonal angle of the 1x2 rectangle. Similarly, the small acute angle in 3/4/5 triangle is twice the small diagonal angle of the 1x3 rectangle.