Which set does not contain –3?

Mathematics

2 answers:

kicyunya [14]3 years ago

7 0

Answer:

the set of all whole numbers

hope this helps!

dybincka [34]3 years ago

6 0

    Number - 3 is a real number and also a rational number.
    Whole numbers are: the numbers: 0, 1, 2, 3, ...
    Integers are like the whole numbers, but they also include negative numbers ( as - 3 ).
    So - 3 is an integer and not a whole number.
    Answer:
    C ) the set of whole numbers.

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3 years ago

Suppose that 35 people are divided in a random manner into two teams in such a way that one team contains 10 people and the othe

Effectus [21]

Answer:

0.5798 or 57.98%

Step-by-step explanation:

The total number of ways to form the two teams is the combination of choosing 10 people out of 35 (₃₅C₁₀). The number of possibilities that A and B are both on the 10-people team is given by the combination of choosing 8 people (since two are fixed) out of 33 (₃₃C₈).The number of possibilities that A and B are both on the 25-people team is given by the combination of choosing 10 people out of 33 (₃₃C₈).

Therefore, the probability that two particular people A and B will be on the same team is:

$P = \frac{_{33}C_8+_{33}C_{10}}{_{35}C_{10}} \\\\P=\frac{\frac{33!}{(33-8)!8!}+\frac{33!}{(33-10)!10!} }{\frac{35!}{(35-10)!10!}} \\\\P=\frac{69}{119} = 0.5798$