Answer:
6.18p
Step-by-step explanation:
Answer: celestial body A is most probably a star.
Step-by-step explanation:
The sun is mostly composed of the elements hydrogen (H) and helium (He). By mass the composition of the sun is about 75 percent hydrogen and 25 percent helium. The sun is a star in our solar system and stars like the sun need a lot hydrogen for generating their enermous energy from fission of hydrogen atoms into helium atom.
Answer:
0
Step-by-step explanation:
3/19x = 0
x= 0 * 19/3
x = 0
For the first one you need to do
x+2+x+2+2x+4+2x+4
=6x+12
When doing this kind of problem you should use FOIL
First, Outer, Inner, Last
(x+2)(2x+4)
First- x•2x= 2x^2
Outer- x•4= 4x
Inner- 2•2x= 4x
Last- 2•4= 8
Combined you have
=2x^2+8x+8
Answer:
x=3.4 y=-5.8 (the steps are in order and I explained to the best of my ability)
Step-by-step explanation:
x+3y=-14 substitute the x for -14-3y in the second problem
x=-14-3y 2(-14-3y)-4y=30
-28-6y-4y=30
-10y=58
y=-5.8
substitute the y in the first equation for -5.8
x+3(-5.8)=-14
x-17.4=-14
x=3.4
