Answer:
19
Step-by-step explanation:
15+12-5+4-7=
(15+12+4)-5-7=
(27+4)-5-7=
31-5-7=
31-12=
19
X+4+2x-10=2x+1
3x-6=2x+1
X-6=1
X=7
Answer:
400
Step-by-step explanation:
4 * 1 = 4
4 * 2 = 8
4 * 3 = 12
4 * 4 = 16
4 * 5 = 20
4 * 6 = 24
................
4 * 100= 400
Answer: 

Step-by-step explanation:
Given : P(A)=0.60 and P(B)=0.30
We will say A and B are independent events if :


Thus , A and B are independent events if :

