At a high school, students can choose between three art electives, four history electives, and five computer electives. Each stu
dent can choose two electives.
Which expression represents the probability that a student chooses an art elective and a history elective?
Which expression represents the probability that a student chooses an art elective and a history elective?
2 answers:
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The answer is: 12 centimeters.
The explanation is shown below:
1. By definition, all four sides of the square are equal and the diagonals are equal too.
2. Keeping the information above on mind, you know that AC and BD are equal:
3. Then, the length of BD is twice BE. So, you can calculate it as following:
4. Therefore, the lenght of AC is: