Answer:
21.9%
Step-by-step explanation:
Percent error = amount of error/actual amount
320 - 250 = 70
70/320 (division) = 0.21875
percent = 21.875%
Rounding to nearest tenth = 21.9%
Your answer should be 21.9%, so I hope this helps!
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:
1 : 4
Step-by-step explanation:
3.5 : 14 ( divide both parts by 3.5 )
= 1 : 4
Answer:
-6x-22
Step-by-step explanation:
-6 -2 (3x + 8)
Distribute the 2.
-6 -6x -16
Rewrite the expression.
-6x -6 - 16
Subtract -6 from 16.
The answer is -6x-22
Answer:
398
Step-by-step explanation:
She will have to score exactly 398 to tie the score with Anne