"Mean" is the average number in a data set.
Since the mean height in a group of students is 1.65 meters, that is the average height in that group.
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Answer:
The product of two rational numbers is always rational
Step-by-step explanation:
- DEFINITION: a number is said to be rational if and only if it is expressed in p/q form i.e, as a fraction(p/q) where, p,q are integers and
- now, let a/b and c/d be two rational numbers.
- the product of them : ac/bd.
- FACT : if we multiply 2 integers, then the product will be an integer.
- so, ac and bd are both integers for sure and bd is not zero because none of b or d is zero.
- therefore, as ac/bd satisfy the definition of a rational number, it is a rational number.
- hence, we can now generalize that, The product of two rational numbers is always rational.
subract 6 from 75. then divide that number by 75. 69/75=.92, so 92% of your trees are under 30ft
1 hour = 60 minutes.
Divide the number of words per hour by 60:
86 / 60 = 1.433333
Rounded to the nearest tenth = 1.4 words per minute.