Answer:
to be honest I dont know
Step-by-step explanation:
I dont know how.
The scientist can use only the angle x and the distance y to calculate the distance between the Earth and the Sun using the cosine function.
cos x = BC / y
Solving for BC
BC = y cos x
BC is the distance between the Earth and the Sun :D
Answer:
2x+1
Step-by-step explanation:
3x-4-x+5 = 3x-x+5-4 = 2x+1