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ArbitrLikvidat [17]
1 year ago
7

Let U = {1, 2, 3, 4, 5, 6, 7, 8}, A =

Mathematics
1 answer:
mr_godi [17]1 year ago
7 0

The equivalent set will be <u>A U B = {1, 2, 4, 5, 6, 8}</u>

<h3>Set theory</h3>

Given the following sets

U = {1, 2, 3, 4, 5, 6, 7, 8},

A ={2, 4, 6},

B = {1, 2, 5, 8},C = {1, 3, 7}

Required sets

A U B

Since union means that we are to write out all the values in the set A and B, hence the equivalent set will be;

A U B = {1, 2, 4, 5, 6, 8}

Learn more on union of sets here: brainly.com/question/2166579

#SPJ1

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Santa has 27 girl elves and 18 boy elves Santa needs them to stand in equal rows with the same amount of girls and boys in each
Margaret [11]

Answer:

9

Step-by-step explanation:

To know the greatest common factor for the boys and girls row:

Obtain the greatest common factor of 27 and 18

Factors of :

27 : 1, 3, 9, 27

18 : 1, 2, 3, 6, 9, 18

Hence, the greatest factor common to both values (27 and 18) is 9

Hence, the greatest common factor between girls and boys row is 9

7 0
3 years ago
One month melissa rented 12 movies and 2 video games for a total of $29.The next month she rented 3 movies and 5 video games for
nadezda [96]

Answer:the cost of renting one movie is $1.5

the cost of renting one video game is $5.2

Step-by-step explanation:

Let x represent the cost of renting one movie.

Let y represent the cost of renting one video game. One month melissa rented 12 movies and 2 video games for a total of $29. This means that

12x + 2y = 29 - - - - - - -1

The next month she rented 3 movies and 5 video games for a total of 32$. This means that

3x + 5y = 32 - - - - - - - - 2

Multiplying equation 1 by 5 and equation 2 by 2, it becomes

60x + 10y = 145

6x + 10y = 64

Subtracting,

54x = 81

x = 81/54 = 1.5

Substituting x = 1.5 into equation 2, it becomes

3x + 5y = 32

3×2 + 5y = 32

5y = 32 - 6 = 26

y = 26/5 = 5.2

6 0
4 years ago
Which shows the equation 12ab= c correctly solved for a?
inysia [295]

With this equation, all you have to do to solve for a is to divide both sides by 12b and <u>your answer will be a=\frac{c}{12b}</u>

8 0
3 years ago
Read 2 more answers
Someone please help asap! Thank you!
nekit [7.7K]

Answer:

The answer to your question is:

Perimeter = 26.5 units

Area = 22.5 units²

Step-by-step explanation:

Data

A (5, 9)

B (8, 0)

C (0, 9)

Formula

d = \sqrt{(x2 - x1)^{2} + (y2 - y1)^{2} }

dAB = \sqrt{(8 - 5)^{2} + (0 - 9)^{2} }

dAB = \sqrt{3^{2} + 9^{2} }

dAB = \sqrt{90}

dBC = \sqrt{(0 - 8)^{2} + (9 - 0)^{2} }

dBC = \sqrt{8^{2} + 9^{2} }

dBC = \sqrt{145}

dAC = \sqrt{(0 - 5)^{2} + (9 - 9)^{2} }

dAC = \sqrt{5^{2} + 0^{2} } \\

dAC = \sqrt{25} = 5

Perimeter = \sqrt{90} + \sqrt{145} + 5

Perimeter = 26.5 units

Area = 1/2  [ ( 5x0) + (8x9) + (0 x 9) - (5x 9) - (0x 0) - (8x9)]

        = 1/2 [ 0 + 72 + 0 - 45 - 0 - 72]

        = 1/2 [-45]

        = 45/2

        = 22.5 units²

4 0
4 years ago
PLEASE HELP ME! (Number 3 only)
Nitella [24]
The answer is 7 you have to add 19 and 15 together and when you get the answer subtract that from 41 and you get 7
7 0
3 years ago
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