The altitude of the base of a cloud formation is called the ceiling. To find the ceiling
one night, a meteorologist directed a spotlight
vertically at the clouds. Using a theodolite placed
83 meters from the spotlight and 1.5 meters above
the ground, he found the angle of elevation to be
62.7º. How high was the ceiling?

step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2

step-by-step explanation:

1. practice, practice & more practice

2. review errors

3. master the key concepts

do not try to memorise the processes.

4. understand your doubts.

5. create a distraction free study environment

6. create a mathematical dictionary

7. apply maths to real world problems.

need more information

step-by-step explanation:

what are you trying to solve here

step-by-step explanation: