A ∩ ∅ = A
Is this true or false?????????

Answers

Answer 1

Answer:

It's True!

Step-by-step explanation:

Iv'e taken a class on that.

Answer 2

Answer:

False

Step-by-step explanation:

Intersection of a set A with empty set is an empty set. So the answer is False.

A ∩ ∅=∅ there are no elements in the empty set, none of the elements in A are also in the empty set, so the intersection is empty. Hence the intersection of any set and an empty set is an empty set.

Related Questions

If the angles of a triangle are (2y - 5)degrees, (y + 20)degrees, and (3y-5) degrees what are the values of the angles​

Answers

Answer:

[tex] \boxed{ \boxed{ \bold{ \sf{51.68 \: , \: 48.34 \:, \: 80.02}}}}[/tex]

Step-by-step explanation:

Let's solve:

As we know that the sum of angles of traingle adds to 180°

[tex] \sf{2y - 5 + y + 20 + 3y - 5 = 180}[/tex]

Collect like terms

⇒[tex] \sf{6y - 5 + 20 - 5 = 180}[/tex]

⇒[tex] \sf{6y + 15 - 5 = 180}[/tex]

⇒[tex] \sf{6y + 10 = 180}[/tex]

Move constant to right hand side and change it's sign

⇒[tex] \sf{6y = 180 - 10}[/tex]

Calculate the difference

⇒[tex] \sf{6y = 170}[/tex]

Divide both sides of the equation by 6

⇒[tex] \sf{ \frac{6y}{6} = \frac{170}{6} }[/tex]

Calculate

⇒[tex] \sf{y = 28.34}[/tex]

Now, let's replace the value:

⇒[tex] \sf{2y - 5 = 2 \times 28.34 - 5 = 51.68}[/tex]

⇒[tex] \sf{y + 20 = 28.34 + 20 = 48.34}[/tex]

⇒[tex] \sf{3y - 5 = 3 \times 28.34 - 5 = 80.02}[/tex]

Hope I helped!

Best regards!!

Answer:

51 2/3 , 48 1/3 and 80 degrees.

Step-by-step explanation:

The 3 angles add up to 180 degrees.

2y - 5 + y + 20 + 3y - 5 = 180

6y + 10 = 180

6y = 180 - 10

6y = 170

y = 170 / 6 = 28 1/3 degrees.

So the 3 angles are  2(28 1/3) - 5,   28 1/3 + 20 and 3(28 1/3) - 5.

What is the turning point or vertex of the parabola???

Answers

Answer : (-1,-4)

Explained:
y = 3(x^2+2x) -1
y = 3(x^2 + 2x + 1 - 1) -1
y = 3(x^2 + 2x + 1) -1-3
y = 3(x+1)^2-4

Vertex = (h,k)
= (-1,-4)

Which equation below represents the equivalent exponential equation for the equation of log6 256=x?(in picture)

Answers

Answer:

Here is my answer I hope this helps <(^w^)>

The correct expression is [tex]6^{x} = 256[/tex]

What is exponential equation?

An exponential equation is an equation with exponents where the exponent a part of the exponent is a variable.

Given an exponential equation, [tex]log_{6} 256 = x[/tex]

Using formula :-

[tex]y = log_{a} x \\x = a^{y}[/tex]

[tex]log_{6} 256 = x[/tex]

[tex]6^{x} = 256[/tex]

Hence, the correct answer is [tex]6^{x} = 256[/tex]

For more references on exponential equation, click;

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The arcs in the diagram are labeled with their measures in degrees. What is the measure of arc uv?

Answers

Answer:

10 steps

Step-by-step explanation:

mark the wheat and rice product in areas in the map of India
PLS MAKE AND SHOW ON THE MAP
I will definitely mark you brainliest​

Answers

this will be helpful and don't forget to mark me

I found this on B i n g because I don't have a map of India.

Rice is mainly grown and eaten in South and East India, while wheat is predominantly grown and eaten in North and West India.

(The first picture is top ten).

(The second one is all).

♡ Anyways I hope this helped! ♡

❀ Have an amazing day or night! ❀

Brainiest is appreciated! ♡

Which of the following is the graph of the quadratic function y=x^2+10x+16?

Answers

Answer:

Vertex: ( − 5 , − 9 ) Focus: ( − 5 , − 35 4 ) Axis of Symmetry: x = − 5 Directrix: y = − 37 4 Select a few x values, and plug them into the equation to find the corresponding y values. The x values should be selected around the vertex. Tap for more steps... x y − 7 − 5 − 6 − 8 − 5 − 9 − 4 − 8 − 3 − 5 Graph the parabola using its properties and the selected points. Direction: Opens Up Vertex: ( − 5 , − 9 ) Focus: ( − 5 , − 35 4 ) Axis of Symmetry: x = − 5 Directrix: y = − 37 4 x y − 7 − 5 − 6 − 8 − 5 − 9 − 4 − 8 − 3 − 5

Hoped I helped

Answer:

It's the one that's on the left of the y axis. I took the test.

ILL MARK YOU BRAINLIEST!!!!!! ∠A = 5x - 15.∠B = 2x + 21.Solve for x and then find the measure of ∠B.

Answers

Answer:

x=6 b=45

Step-by-step explanation:

45=5x-15. 45-15=30. 5x=30. x=6. b=45

A business school event invites all of its graduate and undergraduate students to attend. Of the students who attend, male graduate students outnumber male undergraduates by a ratio of 7 to 2, and females constitute 70% of the group. If undergraduate students make up 1/6 of the group, which of the following CANNOT represent the number of female graduate students at the event?

a. 18
b. 27
c. 36
d. 72
e. 180

Answers

B)27
To solve this problem using a double set matrix, first jot down one set of variables as the row headings and The other as column headings, as well as a row and column for “totals”. Now all you need to do is add in the information line by line as you read through the question.

1/3x+5=12 i do not understand this math equation

Answers

Answer: x = 21

Step-by-step explanation: First, isolate the x term by

subtracting 5 from both sides of the equation.

We get 1/3x = 7.

Next, multiply both sides of the equation by

the reciprocal of 1/3 which is 3/1 to get x by itself.

On the left, 3/1(1/3) cancels and on the

right when we multiply 7(3/1), we get 21.

So we have x = 21.

How do i match the statements

Answers

Step-by-step explanation:

Michelle orders soup, or she orders salad goes with disjunction.

The fireworks were loud and colorful goes with conjunction.

If the watch is broken, then it it showing the wrong time goes with conditional.

Find the exact circumference of a circle with a diameter of 5 inches

Answers

Answer: circumference of circle=2πr or πd(since d=2r)

2ײ²/7×⁵/2

Two cancels two

22×5/7

=110/7

=15•71

Given: The ratio of the number of boys to the number of girls at Liam's school is 4:5. There are 270 students at his school. Statement 3: There are exactly 30 more girls than boys. True False Explain your thinking.

Answers

Answer: True

Step-by-step explanation:

Given: The ratio of the number of boys to the number of girls at Liam's school is 4:5.

There are 270 students at his school.

Then, Total boys = [tex]\dfrac{4}{4+5}\times270=\dfrac{4}{9}\times270=120[/tex]

Total girls =[tex]\dfrac{5}{4+5}\times270=\dfrac{5}{9}\times270=150[/tex]

Clearly, (Number of girls) > (Number of boys)

Difference =  (Total girls) - (Total boys)

= 150-120

= 30

So,  Statement 3: "There are exactly 30 more girls than boys". is absolutely true.

Which are the most important task for project planning?​

Answers

NB: Please give brainliest to those who ask it.

Answer:

1. Adjusting the budget and communicating with the team assessing the final project.

2. Finishing up old projects.

3. Creating a time line and making the budget updating the schedule.

4. Prioritizing tasks and distributing resources.

5. Scheduling meetings and updating spreadsheets assigning resources to tasks.

Hope it helps!!Please mark me as the brainliest!!!

Thanks!!!!

A set of points forming a closed figure, every point of which is a fixed distance from a given center best defines which shape? * Rectangle Square Rhombus Circle

Answers

Answer: D. Circle

Every point on the circle is the same distance away from the center. The distance from any point to the center is exactly the radius, and twice that is the diameter.

!HELP! What is the equation for the following absolute-value functions?

Answers

Answer:

  f(x) = |x -1|

Step-by-step explanation:

The parent absolute value function f(x) = |x| is shifted one unit to the right. We know that replacing x with (x-h) will shift a function h units to the right. Here, we want h=1. The shifted function is ...

  f(x) = |x -1|

simplify ( root 3 + root 7) over 2​

Answers

Answer:

5 r o 2 t

Step-by-step explanation:

(√3+√7)²

We know ,[(a+b)²=a²+2ab+b²]

=>(√3+√7)²=(√3)²+2(√3)(√7)+(√7)²

=>(√3+√7)²=3+2√21+7

=>(√3+√7)²=10+2√21

Identify the domain of the function. A) (−2, 4) B) (−3, 3) C) [−2, 4] D) [−3, 3]

Answers

Answer:

(-2,4)

Step-by-step explanation:

The domain is the values for the input

X goes from -2 to 4  not including the endpoints

(-2,4)

Bruce wants to find the perimeter of a rectangular plot of land. The length is (6x-29) km. The width measures (5x-17) km. What is the perimeter of the plot of land

Answers

Answer: Perimeter = 22x - 92

Units for the perimeter are in kilometers

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

Work Shown:

L = length = 6x-29

W = width = 5x-17

P = perimeter of rectangle

P = 2*(L + W)

P = 2*(6x-29 + 5x-17)

P = 2*(11x - 46)

P = 2*11x + 2*(-46)

P = 22x - 92

If we knew the value of x, then we could find the actual numeric value for the perimeter. However, we don't have that info, so we leave it as is.

A rectangular turtle aquarium is 6 ft long by 4 ft wide. The aquarium is enlarged by increasing
the length and width by an equal amount in order to double its area. What are the dimensions of
the new aquarium?

Answers

Answer:

8ft x 6ft

Step-by-step explanation:

For this problem, we want to create measurements of length and width that double our current area.  First we need to find the current area.

C_Length = 6 ft

C_Width = 4 ft

C_Area = C_Length * C_Width

C_Area = 6 ft * 4 ft = 24 ft^2

Now we want our new area to be double the old area.

N_Area = 2C_Area

N_Area = 2 * 24 ft^2

N_Area = 48 ft^2

Now we simply need to find the increase in width and length, distributed equally, that will create the new area.

N_Area = (C_Length + x) * (C_Width + x)

Where x is the amount that each variable is increased by to create the new area.

Now we simply solve for x.

N_Area = (C_Length + x) * (C_Width + x)

48 = (6 + x) * (4 + x)

48 = 24 + 10x + x^2

0 = -24 + 10x + x^2

Now we can either apply the quadratic formula or attempt to factor using the constant break down method.

(x + 12) (x - 2) = 0

x = -12; x = 2

Note that we will choose x = 2 since the other option would require us to have negative material, which is impossible.

Now we can check to validate our answer by plugging in the value of x.

48 ?= (6 + 2) * (4 + 2)

48 ?= (8) * (6)

48 == 48

Thus, we have found the dimensions of the new aquarium, 8ft x 6ft.

Cheers.

The cube of a positive number divided by the square of the same positive number is a. 2 b. 4 c. 6 or d. 8

Answers

Answer:

this question makes zero sense please rephrase it

Step-by-step explanation:

Carlos spent 1 1/4 hours doing his math homework. He spent 1 1/4 as much time practicing piano. How many hours did Carlos spend practicing piano?

Answers

Answer:

7.6525 hours

Step-by-step explanation:

11 / 4 = 2.75 so he spent 2.75 h doing his HW.

and he spent (11/4) x 2.75 practicing piano

(11/4) x 2.75 = 7.6525

The number of hours Carlos spends practicing piano will be 7.6525 hours.

What is an expression?

Expression in maths is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication, and division.

Numbers (constants), variables, operations, functions, brackets, punctuation, and grouping can all be represented by mathematical symbols, which can also be used to indicate the logical syntax's order of operations and other features.

It is given that 11 / 4 = 2.75  he spent 2.75 h doing his HW. and he spent (11/4) x 2.75 practicing piano.

The number of hours Carlos spends practicing piano will be calculated as below:-

(11/4) x 2.75 = 7.6525 hours

Therefore,  the number of hours Carlos spends practicing piano will be   7.6525 hours.

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rate of change x=3 x=5

Answers

Answer:

The average rate of change for g(x) is      { g(x+h)-g(x) }/h

In our case,

                             { log(5+1) - log(3+1) }/(5-3) =    (.778-.602)/2 = .088

Compare it to the derivative of log(x+1) for the values: the derivative is D = (1/ln10)(1/(x+1))

at x = 3      D = .1086

at x = 4      D =  .0869

at x = 5      D = .0724

Take the average of D over the interval and you get .0893  and very close to the midpoint of the x values

Step-by-step explanation:

The cost C of mailing a letter first class in the United States is $0,45 for the first ounce.
Each added ounce, or fraction of an ounce, o, costs an additional $0.20.
1. Write an equation to represent the total cost, C, to mail a first class letter that
weighs n ounces.
C=

Answers

Answer: C= 0.25 + 0.20n

Step-by-step explanation:

Let n be the number of ounces of the letters.

As per given,

Cost per ounce = $0.45

Additional cost per ounce = $0.20

So, the equation to represent the total cost, C, to mail a first class letter that  weighs n ounces will be

C= 0.45 + (n-1)(0.20)

⇒ C= 0.45 + 0.20n-0.20

⇒ C= 0.25 + 0.20n

Hence, the required equation is  C= 0.25 + 0.20n .

Cool Down: Almond Bags Bags of almonds from a food producer are advertised to weigh 500 grams each. Twenty bags of almonds are weighed. The scatter plot shows the absolute error between the actual weight and the advertised weight of those bags. Estimate the largest absolute error.

Answers

Answer:

12 grams

Step-by-step explanation:

Absolute error is the difference between the measured value and the actual value.

We can see on the plot that absolute error is spread between zero and 12 grams.

The largest absolute error is approximately 12 grams as per plot on the top right. It gives the bag weight of 512 grams vs advertised 500 grams.

Answer:

It’s 11

Step-by-step explanation:

Your team scored a total of 123 points. 67 points were scored in the first half. How many were scored in the second half?​

Answers

Answer:

If the total scored was 123 and your team scored 67 in the first half then in the second half they will score 56 points.

Step-by-step explanation:

during a basketball game, your team scored three times as many 2-point field goals than it did 3-point field goals, and scored a total of 90 points. How many field goals did your team score?

Answers

Answer:

40 field goals

Step-by-step explanation:

Represent 2-point with x and 3-point with y;

Given

[tex]x = 3y[/tex]

[tex]2x + 3y =90[/tex]

Required

Determine x and y

[tex]x = 3y[/tex]

[tex]2x + 3y =90[/tex]

Substitute 3y for x in [tex]2x + 3y =90[/tex]

[tex]2(3y) + 3y = 90[/tex]

[tex]6y + 3y = 90[/tex]

[tex]9y = 90[/tex]

Divide both sides by 9

[tex]y = 10[/tex]

Substitute 10 for y in [tex]x = 3y[/tex]

[tex]x = 3 * 10[/tex]

[tex]x =30[/tex]

The number of field goals = x + y

[tex]x + y = 30 + 10[/tex]

[tex]x + y = 40[/tex]

Hence, the number of field goals is 40

Determine which of the following correctly states the ratio of pens and pencils. Select yes or no for each.

(For each one, you can just number it and put yes or no besides it)

Answers

Answer:

6 : 8, 3/4, 3 to 4

Step-by-step explanation:

As counted on the picture, there are:

6 pens and 8 pencils

The ratio pens to pencils is:

6 : 8 = 3 : 4 = 3 to 4

So there are 3 correct choices

How many solutions does the equation 3x − 7 = 4 + 6 + 4x have? Two Zero Infinitely many One

Answers

Answer:

one solution

Step-by-step explanation:

3x − 7 = 4 + 6 + 4x

Combine like terms

3x-7=4x+10

Subtract 3x from each side

-7=x+10

Subtract 10 from each side

-17 =x

There is one solution

i need help................

Answers

Answer:

Hey there!

Three basic rules determine this:

Positive Numbers are always greater than Negative Numbers.

If both are positive, the number with the greater magnitude is larger.

If both are  negative, the number with the smaller absolute value is larger.

Let me know if this helps :)

Answer:

23x15=23x(10+5)                     Method 1 and 5

=23x10+23x5

=230+115

23x15=(20+3)x15                      Method 2

=20x15+3x15

=300+45

23x15=(20+3)x(10+5)

   =20x10+20x5+3x10+3x5      Method 3 and 6

=200+100+30+15

Step-by-step explanation:

Which fraction has a terminating decimal as it’s decimal expansion? A.1/3 B.1/5 C.1/7 D.1/9

Answers

Answer:

B

Step-by-step explanation:

Let's turn these fractions into decimals.

A: 1/3 = 0.333333......

B: 1/5 = 0.2

C: 1/7 = 0.142857143142....

D: 1/9 = 0.1111111.....

As you can see, the only decimal expansion that terminates, or has a finite number of digits after the decimal point, is 1/5.

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It is hypothesized that Venus suffered an impact much like that of Earth and Theia resulting in the formation of our moon. What evidence can support this theory? Why might the impact on Venus not generate a moon as in the case of Earth? The table represents the total miles traveled, y, after a number of hours, x.Hours, xMiles, y2.51504.02405.53307.0420Which linear equation represents the situation?y = 60 xy = 60 x + 480y = 4 x + 240y = 270 x Solve for x-2x+2-7x= -70 Shares of common stock of the Samson Co. offer an expected total return of 13.00 percent. The dividend is increasing at a constant 5.40 percent per year. The dividend yield must be: Compare/Contrast the relationship between Noah and his mother born a crime Translate: 1. (jam-kkan-man-yo)is formal or informal 2. (jam-shi-man-yo)is formal or Informal In the Declaration of Independence, what does Jefferson mean when he says that the king has "refused his assent to laws necessary forthe public good"?A The king knows what is best for the colonists.The king is too busy to listen to the colonistsC. The king enjoys his absolute rule over the colonists,D. The king has not allowed changes that would benefit the colonists. Give an example of each level of organization found in a flowering plant. A vertical scale on a spring balance reads from 0 to 220 N. The scale has a length of 15.0 cm from the 0 to 220 N reading. A fish hanging from the bottom of the spring oscillates vertically at a frequency of 2.70 Hz. Ignoring the mass of the spring, what is the mass m of the fish? The Lawson sent us some gardening g tools. What's the pronoun in this sentence Frank was so entertained by the Paris Symphony on his visit to France that he mailed them a donation of $100 to support their organization as soon as he returned home to Seattle. Frank may deduct the charitable contribution to the Paris Symphony on his US tax return.A. TrueB. False Assume company can produce any amount above 3.4 units. Naploc purchased the equipment for $12,000 and did not start production yet. Market price is $400. Tebit Inc, another company that operates in the same industry desperately needs equipment and makes an offer to Naples. Debit already knows Naples cost structure. What is the lowest price that Tebit should offer for the equipment If CB=2x+5 and DE=10, find the value of x -6 + x = -5Solving one and two step equations If EF = 4x + 15 and FG = 39 and EG = 110. Find the value of EF. What is speed in a particular direction?accelerationvectorspeedvelocity according to mr.swales, what is the purpose of a tombstone In order to use an object in a program, its class must be defined. True FalseIn object-oriented programming, what is initializing? Concatenating the initial values of an attribute Modifying the initial values of an attribute Printing the initial values of an attribute Setting the initial values of an attribute can i get the answer for number 16 a father and his son want to play on a seesaw. where on the seesaw should each of them sit to balance the torque