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:
x < 2
Step-by-step explanation:
Given
5 + 2x < 9 ( subtract 5 from both sides )
2x < 4 ( divide both sides by 2 )
x < 2
Answer:
40
Step-by-step explanation:
7(4)+2(4)+(4)=?
28+8+4=?
36+4=?
40
18 because
18•1=18
18•3=54
18•4=72
