A person is looking from a car to the top of a building. The angle of elevation to the top of the building from the car is 32°.
2 answers:
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Answer:
Step-by-step explanation:
Given
River is flowing from south to North with a velocity of
Motor boat traverses the river from east to west at a speed of
South component of boat velocity must compensate the river velocity in order to travel in west direction.
Answer: Option B
B.
Step-by-step explanation:
We have the following equations:
(1)
(2)
Let us call "a" the coefficient of the variable x in the first equation and call "b" the coefficient of the variable x in the second equation.
Then we must multiply the number "a" by a value z such that when adding the result is zero.
So
We solve the equation for z
The first equation must be multiplied by a value of