Answer:
Step-by-step explanation:
8x + 15 = 24
8x = 9
x =
Simplify 8 . 3 . X A.13x B.24x C.22x D.48x
1 answer:
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Answer:
0.14% probability of a person guessing the right combination
Step-by-step explanation:
A probability is the number of desired outcomes divided by the number of total outcomes.
The order in which the numbers are selected is important. For example, 1,3,2 is a different combination than 3,1,2. So we use the permutations formula to solve this question.
Permutations formula:
The number of possible permutations of x elements from a set of n elements is given by the following formula:
Desired outcomes:
One right combination, so
Total outcomes:
10 numbers from a set of 3. So
What is the probability of a person guessing the right combination?
0.14% probability of a person guessing the right combination
<h3><u>Answer:</u></h3>
- 6x + 4 + 2y
- x2 + 2x + 1 + y2 + 2x + 3
- => 2x + 2x + 1 + 2y + 2x + 3
- => 4x + 1 + 2y + 2x + 3
- => 6x + 1 + 2y + 3
- => <u>6x + 4 + 2y</u>
Therefore, the above answer is correct.
Hoped this helped.