Answer:
B
Step-by-step explanation:
Step 1: Find √11
√11 is between perfect squares √9 and √16
√9 < √11 < √16
3 < √11 < 4
So it is between 3 and 4
Step 2: Evaluate
√11 = 3.31662
Closest dot is B.
Answer:
X=9
Y=-9
Step-by-step explanation:
3x - 4y =9
-3x +2y=9 cross 3x and - 3x since they're opposite ــــــــــــــــــــــــ
-4y +2y =9 +9
-2y =18
Y =-18/2
Y= -9
Replace y in the first equation:
3x - 4 (-9)=9
3x +36=9
3x = 27
X= 27/3
X= 9
Hope this helps you.. Good luck
(7/3 *3sqrt27-2)*1/5 +sqrt(81)
answer = 10