If we substitute z = 2 - x - y in the last 2 equations it simplifies to 2 equations in x and y:=
x^2 + y^2 + xy - 2x - 2y = 5 and
-x^2 - y^2 - xy + 2x + 2y = -5
if we add these we get 0 = 0 so there are infinite solutions
Answer:
Step-by-step explanation:
The height of Denise castle is
height of her sister
Difference between the height of the castle
In mixed fraction it is
Answer:
you can find the answer if you look through something called googl3 Step-by-step explanation:
Answer:
66.99 cm³
Step-by-step explanation:
V=πr²h
/3
V = (3.14)(2)²(16)/3 = 66.99 cm³