Supplementary angles add up to 180, so
6x+60+90 = 180 and solve for x
6x= 30
x=5
The protons! Is it the answer
Answer:
It contains 0.105 mole cu
Explanation:
The Sun is currently a main sequence star and will remain so for another 4-5 billion years. It will then expand and cool to become a red giant, after which it will shrink and heat up again to become a white dwarf. The white dwarf star will run out of nuclear fuel and slowly cool down over many billions of years.
Compound is formed when two or more chemical elements are chemically bonded together. elements are made of atoms