Answer:
Juro por Dios que si este estúpido sitio web me prohíbe, estaré tan enojado
Step-by-step explanation:
X = (1/2)y + 6
x + y = 21
Substitute (1/2)y + 6 as x into the equation x + y = 21 since x = (1/2)y + 6.
[(1/2)y + 6] + y = 21
0.5y + 6 + y = 21
1.5y = 15
y = 10
Same thing, now substitute 10 as y in the other equation.
x + y = 21
x + (10) = 21
x = 11
Answer:
The answer is 126 
Step-by-step explanation:
The formula for the volume of a rectangle is L x W x H.
So you just plug in the numbers into the formula.
2 x 9 x 7
That equals 126.
I believe that the type of triangle that is being represented is a equilateral triangle.
Answer: 60° is the right answer
Step-by-step explanation:
