Answer: 35
Explanation:
P(Tail) = 1/2
P(Tail) for 70 times = 1/2 x 70 = 35
To subtract? as minus means subract/take away?
Positive: 690
Negative: -30
Answer:
54/3-7=11
Step-by-step explanation:
x/3<u>-7=11</u>
+7 +7
(3)x/3=18(3)
x=54
Check
54/3-7=11
18-7=11
11=11
2. 3. 5. are correct
1. and 4. are actually interchanged
