Answer:
27
Step-by-step explanation:
The madian is gis
Y=x+4 and y=-2x-2 When they are equal it follows that y=y at that point as well so we can say:
x+4=-2x-2 add 2x to both sides
3x+4=-2 subtract 4 from both sides
3x=-6 divide both sides by 3
x=-2, now we can use this value in either original equation to solve for y.
y=2
Answer:
Step-by-step explanation:
Given p = x²+6
We are to express (x²+6)-21 = 4x²+24 in terms of p
We need to rewrite the expression first
(x²+6)²-21 = 4x²+24
Factor out 4 from the right hand side;
(x²+6)²-21 = 4(x²+6)
Replace x²+6 with p
p²+21 = 4p
Collect like terms
p²-4p = -21
p²-4p+21= 0
Hence the required equation is p²-4p+21= 0
I think the correct answer would be : $94
adding $420 + $144 = 564
then divide 564 and 6 to get 94.
