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Rom4ik [11]
3 years ago
13

If U=(1,2,3,4,5,6,7,8,9) A=(1,2,3) is A a subset of U and is U a superset of A.

Mathematics
2 answers:
barxatty [35]3 years ago
7 0

Answer:

yes A is a SUBSET of U and U is a SUPERSET of A.

Explanation: use curly braces for the elements.

A is a subset of U since U has the elements {1,2,3,4,5,6,7,8,9}, and A has the elements {1,2,3}

U contains the elements listed in set A, so a is a SUBSET of U

Lady bird [3.3K]3 years ago
4 0

Answer:

Below

Step-by-step explanation:

A is a subset of U because 1,2,3 is in set U.

U is a superset of A as U contains 1,2,3 and other elements.

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dezoksy [38]
The answer is 30
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hope this helps :D
3 0
3 years ago
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In a dance competition, a participant has to score a total of at least 30 points in the first four rounds combined to move on to
Anvisha [2.4K]

Answer:

5 + 3p ≥ 30

Step-by-step explanation:

"at least" means greater than are equal to. ≥

So we already know he has 5 points, but the other 3 rounds we don't. 5 + 3p

30 is the overall points he has.

5 + 3p ≥ 30

4 0
3 years ago
An art class is making paperweights out of plaster. They use a mold in the shape of a rectangular prism. (2 1/4m, 2 1/2m, and 1
djyliett [7]
V=w•h•l
w=2 1/2=5/2=2.5 m
h=1 3/4=7/4=1.75 m
l= 2 1/4=9/4=2.25 m
V= 2.5 •1.75 •2.25
V=9.84 m^3
3 0
2 years ago
Read 2 more answers
A stem-and-leaf plot for the number of homeruns hit by 30 high school teams is shown. find the probability that a team chosen at
pantera1 [17]
To answer this you need to read the stem and leaf lot and determine how many values were over 28., Or how many were less than or at 28 and subtract it from 30.

There are 10 teams at 28 or less, so 20 teams are above 28.

The number to the left of the | tells us the tens place of the set of number that come after it.

For example 2|4 7 8 stands for 24, 27, and 28.

If 20 out of 30 were above 28 homeruns, then your probability is 20/30 or 2/3 or 0.667.
4 0
2 years ago
3(5-9b)+11=-244 solve for b
natta225 [31]
15-27b+11=-244
26-27b=-244
-27b=-270
b=10


3 0
3 years ago
Read 2 more answers
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