Answer:
Step-by-step explanation:
y=4x+2
x+2y=22
x+2(4x+2)=22
x+8x+4=22
9x+4=22
9x=18
x=2
y=4(2)+2
y=8+2
y=10
(x,y) -> (2,10)
Answer:
C
Step-by-step explanation:
6x^2 + 1 <= 0
6x^2 <= -1
x^2 <= -1/6
Since we cannot take the square root of a negative number, there is no solution.
This one is no factor, cant do it
Answer:
X = 50
Step-by-step explanation:
180-80=100. 100/2=50
50+50+80=180
All angles add,up to 180
41,190,364 rounded to the nearest hundred thousand is 41,200,000 and that in scientific notation is 4.12 x 10 to the seventh power