4 years ago

What it trials biking

1 answer:

3 0

Mountain bike trials also it <span>is a discipline of mountain </span>biking<span> that the rider attempts to pass through an obstacle course without setting foot to ground.</span>

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Todd begins piano practice at 4:15 P.M. and ends at 5:50 P.M. How long does he practice?

marta [7]

If He began at 4:15 and ended at 5:50 then that would be 95 minutes

7 0

4 years ago

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A university offers 3 calculus classes: Math 2A, 2B and 2C. In both parts, you are given data about a group of students who have

ankoles [38]

Answer:

4 students

Step-by-step explanation:

The total number of students is given by:

$|A|+|B|+|C|-|A\cap B|-|A\cap C|-|B\cap C| + |A\cap B \cap C| = N$

Where N is the total number of students, A is the number of students that have taken Math 2A, B is the number of students that have taken Math 2B, and C is the number of students that have taken Math 2C:

$|A|+|B|+|C|-|A\cap B|-|A\cap C|-|B\cap C| + |A\cap B \cap C| = N\\51+80+70-15-20-13 + |A\cap B \cap C| = 157\\ |A\cap B \cap C| =4$