Whats the difference between a subset and a proper subset? {5,8} {2,5,8} Is {5,8} a subset of {2,5,8}.

Answers

Answer 1

Answer:

[tex]\{5,8\}[/tex] is a subset of [tex]\{2,5,8\}[/tex]

Step-by-step explanation:

Required

Difference between subset and proper subset

To answer this question, I will use the following illustration.

[tex]A = \{1,2,3\}[/tex]

[tex]B = \{2,3\}[/tex]

[tex]C = \{1,2,3\}[/tex]

In the above sets, set B is a proper subset of set A because all elements of B can be found in A, but not element of A can be found in B.

Set C is a subset of A because [tex]A = C[/tex]

Using the above illustration, we have:

[tex]\{5,8\}[/tex] and [tex]\{2,5,8\}[/tex]

[tex]\{5,8\}[/tex] is a subset of [tex]\{2,5,8\}[/tex], because 5 and 8 are in [tex]\{2,5,8\}[/tex] but 2 which ca be found in [tex]\{2,5,8\}[/tex] is not in [tex]\{5,8\}[/tex]


Related Questions

In a class of 45 students, 25 play
hockey and the remainder play
football
a. What fraction of the class
play football?
d. ir of the students who play
football also play tennis, what
fraction of the class also plays
tennis?​

Answers

Answer:

a. I think is twenty

d. ??????????

If (X+2,4) and (5,y-1 are equal ordered pairs ,Find the value of X and y​

Answers

Answer:

x = 3, y = 5

Step-by-step explanation:

Since the ordered pairs are equal, then equate the x and y coordinates

x + 2 = 5 ( subtract 2 from both sides )

x = 3

y - 1 = 4 ( add 1 to both sides )

y = 5

What is the perimeter of the triangle?

Answers

Answer:

32units

Step-by-step explanation:

by the what I'm seeing the bottom side is 16 and the 2 other sides are 8 respectively. so all you have to do is just add 16,8 and 8 again which will give you 32.

Answer:

32

Step-by-step explanation:

a + b + c = d

a=8 b=16 c=8

8+16+8=32

The streptococci bacteria population N at time t (in months) is given by N = N0e 2t where N0 is the initial population. If the initial population was 100, how long does it take for the population to reach one million?

Answers

I’m not sure what e is in your equation. But I think the answer is t=5000 months. Let me know if you need an explanation

A parking space shaped like a parallelogram has a base of 19 feet and a height is 9 feet. A car parked in the space is 14 feet long and 6 feet wide. How much of the parking space is not covered by the car? The area of the parking space not covered by the car is

Answers

Answer:

87 feet^2

Step-by-step explanation:

area of the parking space not covered by the car = area of parking space - area covered by the car

area of parking space = area of a parallelogram = base x height = 19 x 9 = 171 feet²

Area of car = area of a rectangle = length x width 14 x 6 = 84 feet²

area of the parking space not covered by the car = 171 feet² - 84 feet² = 87 feet^2

A rectangle has a length that is twice the width. The width is to be extended by 5 ft and the length by 3 ft, so the total area becomes 99 square feet. What was the original length?

Answer Choices:
4 ft
6 ft
8 ft
10 ft
12 ft
14 ft
16 ft

Answers

Answer:

8 feet

Step-by-step explanation:

w = width

2s = length

Find 'w' by multiplying the new dimensions:

(w+5)(2w+3) = 2w² + 3w + 10w + 15 = 99

simplify:

2w² + 13w - 84 = 0

Factor:

(2w + 21)(w - 4) = 0

w = -21/2   ** disregard because a measurement cannot be negative **

w = 4

original width was 4

orginal length was twice 4 or 8 feet

What is the approximate distance from the origin to the point (−5, 6, −1)? Round to the nearest tenth.
o3.2 units
o3.5 units
o7.7 units
o7.9 units

Answers

Answer:the answer is o.7.7

Step-by-step explanation:

The answer would be o7.7 units

im b o r e d so
what yall doing

Answers

Step-by-step explanation:

Nm :/

Bored too

what r u doing?

Answer:

hi

Step-by-step explanation:

pppppppppppppp

An item cost $50. The sales tax paid was $2.30. What is the sales tax percentage?

Answers

Answer:

The answer is 4.6%

Step-by-step explanation:

$2.30 divided by $50 multiplied by 100.

plz help right now illl give brainlist 5.0 and say thanks

Answers

4+4+1 is the answer

Answer: 4+4+1

Step-by-step explanation: 4+4+1=4+5

Hope this helps!

Using the correct graph, describe the association shown. Will mark brainliest❤️

Answers

Answer:

I don't see how to answer this. What graph?

Step-by-step explanation:

Convert to an improper fraction: 4 3/5

Answers

Answer:

23/5

Step-by-step explanation:

multiply denominator by whole number. add the numberator. sum will now be your new numberator (denominator always stays the same).

hope this helps! (❁´◡`❁)

23/5 so ya hope that was righ

Why is it important to know how to use area or volume in real life?

Answers

It’s important because you may doing something that includes that and you don’t have a ruler etc..
The concepts of area and volume all talk about how much space a 2D or 3D figure occupies. In real life, there are certain jobs that include measuring and geometry, which you will be able to accomplish by your math skills. For example, engineering involves analyzing and modeling certain objects. Even if work is not included, the daily activities we do, sometimes include area and volume. Such as finding a gift box where your gift perfectly fits and measuring your daily water intake.

Have a nice day, i tried my best :DD

Use substitution to solve the system of equations.

How many solutions are there?

1/2x -1/3y= 5
x= 2/3y + 10

Α. There are no solutions
В. There is one solution.
C. There are infinitely many solutions.
D. It is not possible to determine the number of solutions

Answers

Answer:

A

Step-by-step explanation:

1/2(2/3y) - 1/3y = 5

1/3y - 1/3y = 5

0 ≠ 5

No Solutions

These are linear equations and, when graphed, are parallel

solve for the value of k

Answers

Answer:

k = 42

Step-by-step explanation:

This is a complementary angle, meaning that the angles formed equal 90 degrees. We know it is complementary because the angle is shown was a tiny square, a sign that it is 90 degrees. Thus, the two angles (k+1) and 47 added together must equal 90. So, we can write an equation:

(k+1) + 47 = 90

k + 1 = 43

k = 42.

K=42
So (42+1)=43 2*43=86 (86+4)=90
I think so thanks

What is the volume of the following image?

Answers

Try 1824 I do tho I haven’t done this in a long time

Two equations are given. m + 5n = 20
m = n-4

What is the solution to the set of equations in the form (m, n)?

A (3,7)
B (0,4)
C (5, 1)
D (2,6)

Please help

Answers

Answer:

B. (0, 4)

Step-by-step explanation:

so we need to find the value of m and n, and luckily we have 2 equations that'll help. (I'm going to use the substitution method for this instead of the Elimination method because I am lazy)

first we need to solve for m, but we already have an equation that tells us what m is equal to, m = n - 4.

now we just need to plug in our new m into the other equation and solve for n. (we are using m + 5n = 20 for that)

so now we get

(n - 4) + 5n = 20

so we solve for n

n + 5n = 24

6n = 24

n = 4

now that we know that n is 4, we can plug that into our m equation (m = n - 4)

m = 4 - 4

m = 0

now we have our m and n, and we can make our ordered pair.

(m, n)

(0, 4)

A car dealership has $3,570 to spend on newspaper ads. If each ad costs $70, how many ads can the dealership buy?

Answers

Answer:

51

Step-by-step explanation:

The dealership can buy 51 ads.

To find this, divide the money available to spend by the cost per ad ($3570/$70)

-10x+10y=-10 10x-10y=10

Answers

Answer:

X=-Y

Step-by-step explanation:

...........................

Which side lengths form a right triangle? Choose all that apply. 5, the square root of 8, 33 or 8,15,17 or the square root of 2, the square root of 2, 2

Answers

Answer:

17² = 15² + 8²

2² = (√2)² + (√2)²

Step-by-step explanation:

A triangle is a polygon with three sides and three angles. There are different types of triangles such as right angled, acute, obtuse and isosceles triangle.

In right angle triangle, one angle is 90°. From Pythagoras theorem, the square of the longest side (hypotenuse) is equal to the sum of the square of the two sides. Hence:

33² ≠ (√8)² + 5² (not right triangle)

17² = 15² + 8² (right triangle)

2² = (√2)² + (√2)² (right triangle)

Find the circumference and the area of a circle with diameter 8 yd.
Use the value 3.14 for n, and do not round your answers. Be sure to include the correct units in your answers.

Answers

Answer:

Circumference: 25.12

Area: 50.24

Step-by-step explanation:

Circumference: 3.14*8

Area: 1/4*3.14*8*8

The surface area of the cylinder

Answers

yesssssss broooii yesssssss broooii
The surface are of a cylinder is 2π r h + 2π r².

Kevyn has a bag of jolly ranchers. Kevyn gave 3/8 of the bag to Alex and 1/4 of the bag to Marisa. Kevyn also gave 1/2 of the remaining candy to his favorite teacher Mr. Lee. How much of the total candy bag did Kevyn give to Mr. Lee.

Answers

Answer: 3/16

Step-by-step explanation: after giving it to Alex and Marisa there is only 3/8 left. Half of 3/8 is 1.5/8 or 3/16

Which expression is equivalent to csc x – sin x?

a.
cos^2x/sinx
c.
sin x – cos x
b.
sin x + cos x
d.
cos^2x + sin^2x

Answers

ANSWER : A
good luck :)

Answer:

a edge 2021

Step-by-step explanation:

Solve the quadratic formula for (5x+3)(5x-3)=19X

Must show all workings

Answers

X=1.09
X=-0.33
I think

The value of x for the given quadratic equation is (19+[tex]\sqrt{1261}[/tex])/50,

(19-[tex]\sqrt{1261}[/tex])/50.

What is a quadratic equation?

It is in the form of a[tex]x^{2} +bx+c[/tex]. It is simply an equation and we have to solve for x.

How to solve a quadratic equation?

If we solve the given equation we will be able to get the following equation

[tex]25x^{2} -19x-9=0[/tex]

x=(-b+-[tex]\sqrt{b^{2}-4ac }[/tex])/2a

when we put b=19 a =25 c =-9

we will get x=[tex](19+\sqrt{1261} )/50 , (19-\sqrt{1261} )/50[/tex].

Learn more about quadratic equations at https://brainly.com/question/1214333

#SPJ2

3.6 ÷ 0.08 + 5.2 • 2.5

Answers

Answer: 58

Step-by-step explanation:

Answer: the answer is 58

you could've used calculator lol.

hope it's right.

Step-by-step explanation:

I will give brainliest. write the least squares regression equation that models the data. Round your values to the nearest hundredth.

Answers

I think your answer is y = 4.19x - 163.41

Find the measure of one interior angle of a 15-gon. (1 point for work, 1 point for correct answer

Answers

Answer:

[tex](180 - 15) = 165[/tex]

A pottery shop uses 493 pounds of clay each week. About
how many pounds of clay will the shop use in 36 weeks?

Answers

a pottery shop uses 493 pounds of clay each week. about

how many pounds of clay will the shop use in 36 weeks?

493*36= 17,748 pounds of clay

Which graph fits this line? y = 2x + 1

Answers

Answer:

Calculating two points and drawing the line between the two.

Explanation:

To find the y-intercept, put x = 0

y = 2 (0) - 1

y = -1

To find the x-intercept, put y = 0

2x - 1 = 0

2x = 1

x = 1/2

Draw your system of axis. Mark -1 on the y-axis, and 1/2 on the x-axis.

Now draw a line through these two ponts. Add arrows.

==============================================

To draw the graph by using points,

let x = -1, then y = 2 (-1) - 1 = -2 - 1 = -3

first point is (-1; -3)

Let x = 0, y = 2 (0) - 1 = -1

Second point is (0; -1)

Let x = 1, y = 2(1) - 1 = 1

Third point is (1; 1)

Plot the three points and draw a line through them. Add arrows to your line.

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