2 answers:
Answer:
B. 0.056
Step-by-step explanation:
There is one probability for the sum to be 2, which is 1 and 1
and one probability for the sum to be 12. which is 6 and 6
So, we have 2 probabilities at the end
And all of the probabilities are equal to 36 (6 x 6)
Then you divide 2 / 36 = 0.056
Answer:
B. 056 to the nearest thousandth.
Step-by-step explanation:
The possible outcomes of a sum of 2 or 12 are:
1,1, 6,6
- two possibilities.
The total number of outcomes with 2 cubes = 6*6 = 36.
So the required probability = 2/ 36 = 0.0555...
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Answer:
81
Step-by-step explanation:
perfect-square trinomial form: a² +2ab +b²
a = x
2ab = 18x = 2 * x * 9
c = 9*9 = 81
Answer:
lesser x should be -5
greater x should be 5
Step-by-step explanation:
A. 60 people exercise regularly (13 + 47).
60 is 100(60 / 250) = 24% of people.
b. 65 people smoke (13 + 52).
65 is 100(65 / 250) = 26% of people.
8z = 64
divide both sides with 8
8z ÷8 = 64÷8
therefore,
z = 8.
Remove parentheses:
-4 - 6i + 3i - 8 + i
Combine common terms
-12 -2i
