Answer:
Try using quizlet flashcards they are what I use and in my opinion they are great
Step-by-step explanation:
X² +4x+y²-2y=20
x²+2*2x+4 +y²-2y+1 =20+4+1
(x+2)²+(y-1)²= 25
(x+2)²+(y-1)²= 5²
center (-2,1)
Answer:
thanks.
Step-by-step explanation:
Answer:
5%
Step-by-step explanation:
to work out what percent 17 is out of 340 we can formulate an equation
so 340(x%)=17
when we solve for x we get 5