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Masja [62]
3 years ago
6

What does this symbol mean in maths? U

Mathematics
1 answer:
Yanka [14]3 years ago
3 0

Answer:

union meaning the set made by combining the elements of two sets

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If a person walks<br> mile in 10 minutes, how far will that person<br> walk in one hour?
IceJOKER [234]

Answer:

6 miles

Step-by-step explanation:

miles : minutes

1 : 10

x : 60

60/10=6

x must equal 6

6 0
3 years ago
Read 2 more answers
I have a geometry test I’m gonna fail. If you know any of these answers please put the number of the question,than the answer. I
blsea [12.9K]

Answer:

Step-by-step explanation:

20) Angles 1 and 2 are supplementary angles( sum of angle 1 and angle 2 is 180 degrees)

21) Angles 1 and 2 are supplementary angles( sum of angle 1 and angle 2 is 180 degrees)

22) Angle TUW + Angle WUV =Angle TUV

Therefore

(7x-9) + (5x - 11) = (9x+1)

7x-9 + 5x - 11 = 9x+1

7x +5x-9x =1 + 11 + 9

3x = 21

x = 21/3= 7

23) GEF - 13 = 5DEG

and DEF = 149 degrees

GEF = 5DEG + 13

Sum of angles (GEF + DEG)=DEF

Therefore,

DEG + 5DEG - 13 = 149

6DEG = 149 + 13 = 162

DEG = 162/6 = 27

GEF = 5DEG = 27 × 5 =135

24) 7x - 1 + 6x -1 = 180(sum of angles in a straight line)

13x-2 = 180

13x = 180+2 = 182

x = 182/13 = 14

25) 5x + 4 + 8x - 7 = 180( sum of supplementary angles is 180)

13x = 180+7-4= 183

x = 183/13 = 14.08

3 0
3 years ago
There are 18 books on the summer reading list. In how many different ways can you choose one per week for 8 weeks?
Travka [436]
There are 8 weeks and 18 books. therefore you would multiply these numbers together.
the answer would be 144 different combinations.

not sure about the permutation or combination notation, but I got you on the first part!
5 0
4 years ago
Which of the following gives an example of a set that is closed under addition.
cluponka [151]
I believe the answer is D
4 0
4 years ago
The lunch lady had 5 pound of lasagna. If she makes 1/4-pound servings using this amount of lasagna, how many servings can she m
jekas [21]
She could make 20 servings of lasagna.

There are 4 servings per pound of lasagna, and there are 5 pounds total.
4 x 5 = 20
6 0
3 years ago
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