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3 years ago

Can an empty set be a universal set?

Mathematics

2 answers:

sertanlavr [38]3 years ago

8 0

Answer:

The empty set is defined as the complement of the universal set. That means where Universal set consists of a set of all elements.

elixir [45]3 years ago

6 0

Answer:

The empty set is defined as the complement of the universal set. That means where Universal set consists of a set of all elements, the empty set contains no elements of the subsets. The empty set is also called a Null set and is denoted by '{}'.

HOPE IT HELP YOU!

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Sam and Harry are family. Sam is currently is three times Harry's age. Sam's age is also 10 more than twice Henry's age. What ar

kramer

Answer:

<em>Sam is 30 years old, and Harry is 10 years old.</em>

Step-by-step explanation:

Let us assume that the age of Sam is x and the age of Harry is y.

Sam is currently is three times Harry's age.

So, $x=3y$ ----------------------1

Sam's age is also 10 more than twice Harry's age.

so, $x=2y+10$ ---------------2

Subtracting 2 from 1, we get

$\Rightarrow x-x=3y-2y-10$

$\Rightarrow 0=y-10$

$\Rightarrow y=10$

putting this in equation 1,

$x=3(10)=30$

Therefore, Sam is 30 years old, and Harry is 10 years old.

6 0

3 years ago

Read 2 more answers

Each parking space will be 19 feet by 8 feet. what is the maximum number of parking spaces that will fit in the lot? 10 30 35 40

vladimir1956 [14]

The maximum number of parking spaces that will fit in the lot given the area of the parking lot is 30.

<h3>what is the maximum number of parking spaces that will fit in the lot? </h3>

The parking lot has the shape of a rectangle. The area of a rectangle is length x width

The area of the available parking space = length of the lot - [width of the lot - (width of the alley x 2)

80 x (77 - 10 - 10) = 4560 ft²

Maximum number of parking spaces = 4560 / (19 x 8) = 30

Please find attached the complete question. To learn more about how to calculate the area of a rectangle, please check: brainly.com/question/16595449

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4 0

2 years ago

You and your friend are standing back-to-back. Your friend runs 16 feet forward and then 12 feet right. At the same time, you ru

frez [133]

Answer:

9 1/3 feet (I think)

Step-by-step explanation:

I imagined it as a grid.

Your friend moves to point (16,12)

You move to point (-12,9)

Then you set up your equation and solve.

$\frac{16 + 12}{12-9}$

$\frac{28}{3}$

9 1/3

Hope this helps :)

3 0

3 years ago

HELP FAST 20 PTS! <br> Simply (- 6/5)^3<br> A) 216/125<br> B) 18/15<br> C) - 18/15<br> D) - 216/125

Marrrta [24]

The answer to the question is d

8 0

3 years ago

A group of friends wants to go to the amusement park. They have no more than $280 to spend on parking and admission. Parking is

givi [52]

The number of people who can go to the amusement park is 8.

<h3>What is Unitary method?</h3>

The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.

Given: the group of friends had $280.

For parking= $19.50

Remaining will be,

=$(280-19.50)

= $ 260.5

Cost of ticket per person = $33.75

Thus, number of tickets they can buy

=260.5 / 33.75

=7.718 = 8 peoples

Hence, number of people who can go to the amusement park is 8.

Learn more about this concept here:

https://brainly.in/question/51469249

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7 0

2 years ago