Answer:
20
Step-by-step explanation:
its a pattern. the top goes up by three's so if it goes from 12 to 30 the d8 should go to 20 because if you add 3 to 12 to get it higher than you add 2 to 8 to get it higher.
Answer:
-7
Step-by-step explanation:
4 + (-11)
=> {since, positive x negative = negative}
=> 4 - 11
=> -7
Answer:
x = 5 (see below)
Step-by-step explanation:
Combine like terms by subtracting on both sides:
25 + 8x = 5 + 12x
20 = 4x
Then divide:
20 = 4x
5 = x
Move the variable to the left side of the equation:
x = 5
The probability would be 0.000017.
70% of the 20 questions is 14 questions correct. Using a binomial distribution for this, we have: