Answer:
The answer in the attached figure
Step-by-step explanation:
we have

Using a graphing tool
see the attached figure
The answer in the attached figure
Answer:
1.) The forth choice seems about right
2.) x = 38 (if and only if the forth answer choice for question 1 is right)
Answer:
Step-by-step explanation:
Answer:
x = - 3
Step-by-step explanation:
Given
7 + x - 3 = x - 5 - 3x ( simplify both sides )
4 + x = - 2x - 5 ( add 2x to both sides )
4 + 3x = - 5 ( subtract 4 from both sides )
3x = - 9 ( divide both sides by 3 )
x = - 3
Cos20=opp/hyp
cos20=19/x
x=19/cos20