Answer:
NO X belonging to real numbers is not a close subset
Step-by-step explanation:
The closed interval [a, b] contains all of its boundary points, while the open interval (a, b) contains none of them. We generalize these terms to sets in Rn: A set S is open if S = Sint . A set S is closed if S = ¯ S .
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It should be approximately 33.5%<span />
Answer:
6.2e+15
Step-by-step explanation:
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Answer:
an octagon has 3 more sides then a pentagon
Step-by-step explanation:
A pentagon has 5 sides while a octagon has 8 sides and 8 -5=3
Answer: 150 boys
Step-by-step explanation:
Let the number of boys be x
Since there were 200 more girls than boys, the number of girls will be: = x + 200
Since the ratio of boys to girls was 3:7, this can be solved further below:
3/7 = x/x+200
Cross multiply
(7 × x) = 3(x + 200)
7x = 3x + 600
7x - 3x = 600
4x = 600
x = 600/4
x = 150
The number of boys enrolled is 150
Number of Girls will be:
= X + 200
= 150 + 200
= 350
Check: Number of boys / Number of girls
= 150/350
= 3/7
= 3:7
