Answer:
B, C and F
Step-by-step explanation:
Answer: 2
Step-by-step explanation: add 2 to 7 you get 9
we know, that the angle formed by an arc at the center of the circle is two times the angle formed by same arc on any point on the circumference,
So,
=》
hence, correct answer is B.
Answer:
-27
Step-by-step explanation:
Any operations inside parentheses must be carried out first.
Thus,
9 ÷ 3[(20 − 7) − 22] becomes 9 ÷ 3[(13) − 22]
This, in turn, becomes 9 ÷ 3[-9].
The negative operator can be taken out and written up front: -9 ÷ 3[9) Note: this does not call for subtraction).
Carrying out the indicated operations from left to right:
-3(9) = -27