5(2x+5y=16)+2(-5x-2y=2)
10x-10x+25y-4y=80+4
21y=84
y=4, making 2x+5y=16 become:
2x+5(4)=16
2x+20=16
2x=-4
x=-2
So the solution to the system of equations is the point (-2, 4)
5 divided by 4=1.25 I think I am right
Answer:
whats the question?
Step-by-step explanation:
Answer:
No solution
Step-by-step explanation:
the perimeter of rectangular: 2 x (B+L)
2 x (40 + L) = 20
80 + 2L = 20
2L = -60
L = - 30 .... length can't be negative
Answer:
Step-by-step explanation:
f(x) = 2x² + 14x + 24
= 2x² + 8x + 6x + 6*4
= 2x*(x + 4) + 6*(x + 4)
= (x + 4)(2x + 6)
