which variable is it?

the first one or second one?

please help

Which Variable Is It?the First One Or Second One?please Help

Answers

Answer 1

Answer:

1

Step-by-step explanation:

The dependent changes because of the independent. So basically it depends on the  independent variable

Answer 2

Answer:

The first one

Step-by-step explanation:

s is the independent variable and f is the dependent variable.

the number of host families depends on the number of students.


Related Questions

Please help! Its worth 15 point things

Answers

It will cost Caden $5445 to paint the outside walls and roof of the warehouse.

What is the superficial area of the warehouse?

The superficial area can be calculated using the following formula:

2 (lh +wh + lw )

2 (38 x 45 + 30 x 45 +38 x 30)

2 (1710 + 1350 + 1140)

2 x  4200

8400 square foot

Now, let's subtract the area of the floor that will not be painted.

30 x 38 = 1140

8400 - 1140 = 7260 feet to be painted

How much will it cost to paint this area?

7260 x 0.75 = $5445

Based on this, the total cost to paint the area desired is $5445.

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What is the quadratic polynomial whose sum and the product of zeroes is 2 â…“ respectively?.

Answers

Zero of the quadratic polynomial whose  X²+3X+2 are -2 and -1.

Sum of zeros ( alpha + beta) = -3

Product of zeros ( alpha × beta) = 2.

Quadratic polynomial = X²-(alpha + beta)X+ Alpha× beta = X²-(-3)X+2.

= X²+3X+2 is the required quadratic polynomial.

A = 1 , b = 3 , C = 2

X²+ 3X +2

X² + 2X+ X + 2

X(X+2) +1 ( X+2)

(X+2). ( X+1)

X+2 = 0. X+1 = 0

X = -2. X= -1

Zero of the quadratic polynomial whose  X²+3X+2 are -2 and -1.

A polynomial is described as an expression that consists of variables, constants, and exponents, which might be mixed with the use of mathematical operations along with addition, subtraction, multiplication, and department (No division operation by a variable).

In arithmetic, a polynomial is an expression that includes indeterminates and coefficients, that entail best the operations of addition, subtraction, multiplication, and fine-integer powers of variables. An instance of a polynomial of an unmarried indeterminate x is x² − 4x + 7.

Polynomials are sums of phrases of the form k⋅xⁿ, in which okay is any wide variety and n is a positive integer. for example, 3x+2x-5 is a polynomial. advent to polynomials.

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Complete Question:

Find a quadratic polynomial, the sum, and the product of whose zeroes are -3 and 2 respectively. hence find the zero

R is the midpoint of QS and P is the midpoint of QT
If ST=u+60 and PR = 4u+2, what is PR

Answers

By using the fact that the triangles are similar, we can see that u = 8, then the length of side PR is:

PR = 68

How to find the length PR?

We know that R is the midpoint of QS and P is the midpoint of QT, this means that tiangles QRP and QST are similar triangles, and that the scale factor between them is 2.

Then we know that:

ST = 2*RP

We know that:

RP = 4u + 2

ST = u + 60

Then we can write the linear equation:

u + 60 = 2*(4u + 2)

u + 60 = 8u + 4

60 - 4 = 8u - u

56 = 7u

56/7 = u

8 = u

Now we can find the length of side PR.

PR = u + 60

PR = 8 + 60

PR = 68

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The population of a small town is decreasing at a rate of 7% per year. If the towns population is 12,259 now, what will be the population in 10 years? Around to the nearest whole number

Answers

The population of the town after 10 years will be, 5933

What is decrease rate?

The decrease rate of a value measures its change from one period to another (month, quarter, year). It is very generally expressed as a percentage.

Given that, the population of a small town is decreasing at a rate of 7% per year. If the town's population is 12,259 now,

The decrease rate =

A = P(1-r)ⁿ

A = final population

P = initial population

r = rate

n = time

A = 12259(1-0.07)¹⁰

A = 5933

Hence, the population of the town after 10 years will be, 5933

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7
If f(x)=√x-5 and g(x) = -x², what is the value of g(f(9))?
A 4
C 16
B -14
D 2

Answers

Option (a) represents the correct answer i.e. The value of g(f(9)) is -4.

What is a function?

A relation known as a function connects members of one set in a specific way to those of another set.

Given, f(x)=√x-5 and g(x) = -x²

here, g(f(x)) = g(√x-5 )

                  = - (√x-5)²

 So,  g(f(9)) = - (√9 - 5)²

                   = - (3-5)²

                   = -4

Hence, Option (a) is correct.

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Option (a) represents the correct answer i.e. The value of g(f(9)) is -4.

What is a function?

a mathematical phrase, rule, or law that establishes the link between an independent variable and an outcome variable (the dependent variable). An input and also an output are linked by a function. It functions similarly to a machine with an input or an output. Additionally, the input and output are somehow connected. The traditional format for writing a function is f(x) "f(x) =... "

Given, f(x)=√x-5 and g(x) = -x²

here, g(f(x)) = g(√x-5 )

                 = - (√x-5)²

So,  g(f(9)) = - (√9 - 5)²

                  = - (3-5)²

                   = -4

Hence, Option (a) is correct.

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Write the explicit function defines the sequence -8, -6, -4, ...?

Answers

Answer:

I think it's -2

Step-by-step explanation:

because it keeps going down by 2 and 4-2=2 so its -2

The prices paid for a model of a new car are approximately normally distributed with a mean of $17,000 and a standard deviation of $500. The price that is 3 standard deviations above the mean is $ . The price that is 2 standard deviations below the mean is $ . The percentage of buyers who paid between $16,500 and $17,500 is % The percentage of buyers who paid between $17,000 and $18,000 is %. The percentage of buyers who paid less than $16,000 is %.

Answers

The price that is 3 standard deviations above the mean is $18,500. The price that is 2 standard deviations below the mean is $15,500.

The percentage of buyers who paid between $16,500 and $17,500 is approximately 13.6%.
The percentage of buyers who paid between $17,000 and $18,000 is approximately 34.1%.
The percentage of buyers who paid less than $16,000 is approximately 2.3%.

It's important to note that these values are approximate and based on the assumption that the prices paid for the car are approximately normally distributed with a mean of $17,000 and a standard deviation of $500. It's also worth mentioning that these percentages are based on the standard normal distribution table which assumes a normal distribution with a mean of 0 and a standard deviation of 1.

I hope this helps :)

Pleas help me I need the answers asap. The reason why I have 3 copy's of the same question is to show the multiple choices.

Answers

The solution for the equations is at x = -1 and y = -3.

2: the system of equations has the same slope and the same y-intercept so the system of equations has infinitely many solutions.

What are linear equations?

When an algebraic equation is graphed, it always results in a straight line since each term in a linear equation has an exponent of 1. For this reason, it is referred to as a "linear equation."

There are both one-variable and two-variable linear equations.

Given the equations,

-2x + 4y = -10

2x + 2y = -8

adding both the equations so -2x and +2x will be eliminated

-2x + 4y + 2x + 2y = -10 - 8

6y = -18

y = -18/6

y = -3

substitute the value of y in equation 2x + 2y = -8

2x + 2(-3) = -8

2x = -8 + 6

x = -1

2: Given equations y = -x + 5 .........(1)

y + x = 5 .........(2)

equation 2 can be written as,

y = -x + 5

so both the equations have the same slope and the same value of y-intercept,

so the line overlaps each other and has infinitely many solutions.

Hence the solution s at x = -1 and y = -3.

2: Equations have infinitely many solutions.

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Can anyone answer this math question for me?

Answers

The correct answer is option A (4, 3), 35 units squared.

How to find the vertices?

The coordinates of the three vertices of a rectangle are :

A(-3,3) ,  b(-3,-2)  and   c(4,-2)

The easy way to find the fourth vertex by the graphing the given points

See the attached figure

the given points are in blue color

and by using the symmetry of the rectangle

So, the coordinates of the fourth point D is (4,3) which are in red color

The base of the rectangle is the distance BC

From the graph ⇒⇒ BC = 7

The height of the rectangle is the distance AB

From the graph ⇒⇒ AB = 5

The area of the rectangle = base * height = 7 * 5 = 35

So, the correct answer is option A(4, 3), 35 units squared.

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The drawing shows three point charges fixed in place. The charge at the coordinate origin has a value of q1 = +8.00 µC; the other two have identical magnitudes, but opposite signs: q2 = -5.00 µC and q3 = +5.00 µC.
(a) Determine the net force (magnitude and direction(measured counter clockwise from the x-axis)) exerted on q1 by the other two charges
(b) If q1 had a mass of 1.50 g and it were free to move, what would be its acceleration?

Answers

(a) The net force equation on q1 is 10.6N towards q2. (b) The acceleration of q1 would be 6.8x10^7m/s^2.

a) The Coulomb's law equation for the force between two charges q1 and q2 is given by:

F = k(q1q2)/r2

Where k is the Coulomb's constant and r is the distance between the two charges.

Using this equation, the force on q1 due to q2 can be calculated as:

F12 = (8.99x109 N m2/C2)(8.00x10-6C)(-5.00x10-6C)/(1.00m)2

F12 = -44.8x10-6 N

Similarly, the force on q1 due to q3 can be calculated as:

F13 = (8.99x109 N m2/C2)(8.00x10-6C)(5.00x10-6C)/(2.00m)2

F13 = 55.2x10-6 N

The net force on q1 can be calculated as the vector sum of F12 and F13:

F1 = F12 + F13

F1 = 10.6N towards q2

b) The acceleration of q1 can be calculated using Newton's second law of motion:

F = ma

a = F/m

Where m is the mass of q1.

Therefore, the acceleration of q1 can be calculated as:

a = (10.6N)/(1.50g)

a = 6.8x107m/s2

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Amy flicks the spinner 200 times and it comes up gray 157 times. Do you think Amy's spinner is fair? Explain.

Answers

The percentage of getting grey is 78.5%. Amy's spinner is fair.

What is an expression?

The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.

Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.

Given that Amy flicks the spinner 200 times and it comes up grey 157 times.

The percentage of the grey comes up 157 times will be calculated as:-

P = 157 / 200

P = 0.785 x 100

P = 78.5%

Amy's spinner is fair.

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Graph and please explain answer with steps!
f(x)=-x+3,x<=-3
f(x)=-x^(2)+6,x>-3

Answers

The graph of the function f(x)=-x+3,x<=-3 and f(x)=-x^(2)+6,x>-3 is given attachment.

What is function?

A function is a procedure or a relation that links each element of a non-empty set A, at least, to one element of a different non-empty set B. In mathematics, a relation f between two sets, A and B, is referred to as the function's domain and co-domain, respectively. f = {(a,b)| for all a ∈ A, b ∈ B}

If each element of set A has exactly one image in set B, then the relation is said to be a function.

A function is a relation from a non-empty set B such that its domain is A and no two different ordered pairs in f share the same first element.

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The length of my living room is 24 feet.the width of my living room is 1/2 the length.what is the area of my living room

Answers

Answer: 24 x 1/2(24) = 288

Step-by-step explanation:

Half of 24 is 12.

Multiply 24 by 12 = 288

the circumference of a circle is 74.48

Answers

Answer:

question is not mentioned properly

Step-by-step explanation:

i can answer but first what's the question

There i 64 inger in acquire the tenor and Soprano are in eparate row there are eight inger in each row there are four row of tenor how many row of Soprano are there

Answers

There are 4 rows of Soprano. The concept of algebraic manipulation is used to solve the problem.

Given the information that there are 64 fingers in total and 8 fingers in each row of the Tenor, I was able to determine that there are 32 fingers in the Tenor rows by multiplying 8 fingers/row x 4 rows.

Then, We subtracted the number of fingers in the Tenor rows (32 fingers) from the total number of fingers (64 fingers) to find the number of fingers in the Soprano rows, which is also 32 fingers.

Finally, We divided the number of fingers in the Soprano rows by the number of fingers per row (8 fingers/row) to find the number of rows of Soprano, which is 4 rows.

If there are 64 fingers in total and 8 fingers in each row of the Tenor, then there are 8 fingers / row x 4 rows = 32 fingers in the Tenor rows.

Since there are 64 fingers in total and 32 fingers in the Tenor rows, then there are 64 fingers - 32 fingers = 32 fingers in the Soprano rows.

Therefore, there are 32 fingers / 8 fingers/row = 4 rows of Soprano.

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What is sin 45 simplified?.

Answers

Under Trigonometric ratios, the values of sin, cos, and tan are defined by the ratio of sides of a right-angled triangle.

 One of the three fundamental functions in trigonometry, along with cosine and tan functions, is the sine function.

The ratio of the opposite side of a right triangle to its hypotenuse is known as the sine x or sine theta.

To determine a right triangle's unknown angle or sides, utilize the sine function. The sine function for any right triangle with an angle, let's say ABC, will be:

Opposite/hypotenuse = Sin

According to the trigonometric table, the value of Sin 45=[tex]\sqrt[/tex]2/2 which can be simplified as [tex]\sqrt{2} /2[/tex]×[tex]\sqrt{2} /\sqrt{2} =2/\sqrt[]{2}[/tex][tex]=1/\sqrt{2}[/tex]

Simplified value of Sin 45=1/[tex]\sqrt{2}[/tex]

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Help i want answerrrrrrrr pls

Answers

The length of TW is given as follows:

TW = 17.4 units.

How to obtain the length of TW?

The length TW is the hypotenuse of a right triangle of sides WU and UT.

The Pythagorean Theorem states that for a right triangle, the length of the hypotenuse squared is equals to the sum of the squared lengths of the sides of the triangle.

The side lengths are given as follows:

TU = 12.6, as it is tangent just like TV.WU = 12.

Hence the length TW is obtained as follows:

(TW)² = 12.6² + 12²

[tex]TW = \sqrt{12.6^2 + 12^2}[/tex]

TW = 17.4 units.

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What number is one more than 79?.

Answers

The number one more than 79 is 80.

Number:

Numbers are mathematical objects used for counting, measuring, and labeling. The original example is the natural numbers 1, 2, 3, 4, etc. [1] Numbers can be linguistically represented by numerals. More generally, individual numbers can be represented by symbols called digits. For example, "5" is the number representing the number five. Since only a relatively small number of symbols can be remembered, basic numbers are usually organized into number systems, which are systematic ways of representing each number. The most common number system is the Hindu-Arabic number system, which can represent any number using combinations of 10 basic numeral symbols called digits.  In common parlance, a number is indistinguishable from the number it represents.

Greater than Number:

It is a mathematical term used to compare two quantities and to establish a relationship between two quantities in which one term is greater than the other. The terms greater than, less than, and equal are used to compare two numbers, amounts, or amounts. Each term has a separate letter. B. "greater than" is represented by ">", "equal to" is represented by "=", and "less than" is represented by "<".

According to the Question:

To better understand this question,

It can be expressed as 1 more than 79, 1 more than 79, 1 more than 79, 79 plus 1.

Thus,

1 more than 79 is the same as 79 plus 1. So the answer for 1 greater than 79 is calculated as:

Therefore,

1 + 79 = 80.

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HELPPPPPPPPPPPPPPPPPPPPPPPPPPP

A sixth grade class is going on a field trip. The school is providing one sack lunch for each student. Each lunch has either a ham, turkey, or bologna sandwich along with either carrots or celery.


Identify which list below shows all the possible outcomes of sack lunches, and select the outcomes from that list that represent picking a ham or turkey sandwich with carrots if there are an equal number of each type of sack lunch and students are randomly selecting their lunch. Use this information to mark the probability on the number line.

Answers

Answer: List 2

Mark the midpoint between 1/6 and 1/2 (see diagram below)

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

Explanation:

There are 3 meats (ham, turkey, bologna) and 2 vegetables (carrots, celery).

This gives 3*2 = 6 different combos of meat plus a vegetable. This is where we can only pick one of each type.

The 6 different combos are shown in  list 2  

List 1 is not correct because you can choose one vegetable only, and not have both.

----------

Look through list 2 and circle the options that say "ham, carrots" and "turkey, carrots". There are 2 items that are circled. This is out of 6 total.

We arrive at the probability 2/6 = 1/3

The fraction 2/6, aka 1/3, is located at the halfway point between 1/6 and 1/2. This is because 1/6+1/2 = 1/6+3/6 = 4/6, which divides in half to get 2/6.

See the diagram below.

find the size of QRS.

8 cm
12 cm
4 cm
Q
R
P

Answers

The size of QRS in the given figure 15 cm.

How to find the size of QRS?

A fundamental Euclidean geometry relationship between the three sides of a right triangle is the Pythagorean theorem, also referred to as Pythagoras' theorem. According to this definition, the area of the square whose side is the hypotenuse is equal to the sum of the areas of the squares on the other two sides.

step1

We know

PS=8cm

PQ=12cm

QR=4cm

because we know that both of these parts have to do with right triangles, we know that we can use the Pythagorean theorem.

a²  + b²  = 4²  (add in values)

8²  + 12² +4²   

64 + 144 +16=224

find the square root of 224= 15

Size of QRZ =15 cm

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At which points are the functions y = f(x) and y = g(x) equal? What are the x-values of the solution?

Answers

The correct option regarding the solution to the system of equations is given as follows:

It is a solution to f(x) = g(x) because it is the x-coordinate where the two graphs intersect.

Hence the x-value of the solution is given as follows:

x = 3.

How to obtain the solution to the system of equations?

We want to obtain the graphic solution for the system of equations, hence we obtain the point of intersection of the two equations.

The point of intersection in this problem has a x-coordinate of 3, hence the third option is the correct option.

Missing Information

The complete problem is given as follows:

If x=3 is a solution to f(x)=x²-x and g(x)=2x, why is it also a solution to f(x) = g(x)

(1 point)

O It is a solution to f(x) = g(x) because it is the x-intercept of the two graphs

O it is a solution to f(x) = g(x) because it is the y-intercept of the two graphs.

O It is a solution to f(x) = g(x) because it is the x-coordinate where the two graphs intersect

O it is a solution to f(x) = g(x) because both graphs are positive at x = 3.

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Create a number pattern that follows the rule
x
+
7
. Include 3 terms using the pattern.

Answers

Answer: 8, 9, 10

Step-by-step explanation:

Set [tex]x=1, 2, 3 \implies x+7=8, 9, 10[/tex].

E-mail attachment size: 10 MB
Attachments:
2 Photographs 1.4 MB each
Video 1.8 MB each
4 Spreadsheets 1.2 MB each

Answers

Answer:

there's nothing there?

An assorted snack tray has three popcorn bags, four granola bars, and six apples. What is the probability that the next two customers both select popcorn

Answers

The probability that the next two customers would both select popcorn is 1/78.

What is the probability?

Probability is the odds that a random event would happen. The odds that the random event happens has a probability value that lies between 0 and 1. The more likely it is that the event would occur, the closer the probability value would be to one.

The probability that the next two customers would both select popcorn = number of popcorns / total number of snacks x [(number of popcorns / total number of snacks) - 1]

Total number of snacks = 3 + 4 + 6 = 13

2/13 x 1/12 = 1/78

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O is the centre of the circle, work out the value of X.

Answers

Answer:

69

Step-by-step explanation:

The central angle is twice the inscribed angle. So the angle that is behind the one equal to 2x is equal to x. We know that the opposite angles in a circle add up to 180. Therefore, we can solve for x:

[tex]x + x + 42 = 180$^{\circ}$\\\\2x = 180$^{\circ}$ - 42$^{\circ}$\\\\2x = 138$^{\circ}$\\\\x = 69$^{\circ}$[/tex]

Do the points 3 2 2 3 and 2 3 form a triangle?.

Answers

Yes, the given points  (3 ,2) , ( -2 ,- 3 ),  and ( 2, 3 ) forms a triangle.

As given in the question,

Given points to form a triangle is given be :

(3 ,2) , ( -2 ,- 3 ),  and ( 2, 3 )

Let the triangle name be ABC.

Coordinates of vertex A(x₁ ,y₁ ) = ( 3, 2 )

Coordinates of vertex B(x₂ ,y₂ )  = ( -2, -3 )

Coordinates of vertex C(x₃, y₃) = ( 2, 3 )

General distance formula is :

= √ ( x₂ - x₁ )² + ( y₂ - y₁ )²

Distance between :

AB = √( -3-2)² + (-2 -3)²

     = 5√2

BC = √(3+ 3)² + (2 + 2)²

     = 2√13

CA = √( 3-2)² + (2 -3)²

     = √2

Using Pythagoras theorem we have:

( Hypotenuse )² = ( Side1 )² + ( Side 2)²

Right hand side

= (5√2)² + (√2 )²

= 50 + 2

= 52

= ( 2√13)²

= Left hand side

This implies the triangle formed by the points is right angled triangle.

Therefore, yes the given points forms a right angled triangle.

The above question is incomplete , the complete question is:

Do the points (3 ,2) , ( -2 , -3 ),  and ( 2, 3 ) form a triangle?.

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/
A company sells shirts for $10 each. Its revenue function is r(x) = 10x.
Its costs are $3 per shirt plus $9,000 of fixed costs. Its cost function is
c(x) = 3x + 9000. Use this information for Problems 13-15. The first
one is done for you.
13. Find the company's revenue and costs if it sells 2000 shirts.
Revenue = $20,000; costs = $15,000
14. Profit equals the difference between revenue and cost. Write the
function, p(x), for this company.
15. In 2012, the company sold 5000 shirts. Find its profit.
1
Original content Copyright by Houghton Mifflin Harcourt. Additions and changes to the original content are the responsi
135

Answers

a) To find the company's revenue and costs if it sells 2000 shirts, we can substitute 2000 for x in the given revenue and cost functions:

What does a math equation mean?

The definition of an equation in algebra is a mathematical statement that demonstrates the equality of two mathematical expressions. For instance, the equation 3x + 5 = 14 consists of the two equations 3x + 5 and 14, which are separated by the 'equal' sign.

Revenue: r(x) = 10x, so r(2000) = 10(2000) = $20,000

Costs: c(x) = 3x + 9000, so c(2000) = 3(2000) + 9000 = $15,000

b) The profit function, p(x), is the difference between the revenue function and the cost function. So, the profit function for this company is:

p(x) = r(x) - c(x) = 10x - (3x + 9000) = 7x - 9000

c) To find the company's profit in 2012, when it sold 5000 shirts, we substitute 5000 for x in the profit function:

p(5000) = 7(5000) - 9000 = $20,000

So, the company had a profit of $20,000 in 2012 when it sold 5000 shirts.

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Is A ={ x x² 4 and 3x 9 an empty set justify your answer?.

Answers

x²= 4 and 3x=9 is not an empty set because there is no element we can say that is an empty set but there is an element, so it is not an empty set.

In arithmetic, the empty set is a completely unique set having no elements; its size or cardinality (depending on elements in a fixed) is 0. some axiomatic set theories make certain that the empty set exists by including an axiom of the empty set, whilst in different theories, its lifestyles may be deduced. Many feasible properties of sets are vacuously genuine for the empty set.

Any set aside from the empty set is known as non-empty. In a few textbooks and popularizations, the empty set is known as the "null set". but, a null set is a distinct belief inside the context of the measure concept, wherein it describes a hard and fast degree 0 (which is not always empty). The empty set may also be referred to as the void set.

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Complete Question:

Is A={x:x²=4 and 3x=9} an empty set justify your answer?

If You Are Measuring The Electrical Potential Difference From A Rectangular \( 9 \Mathrm{~V} \) Battery, Which Setting Should You

Answers

A battery is a nice illustration. Atoms have had their electrons chemically removed in batteries. Because the positive ions and electrons are stored at the opposing ends of the battery, there is a potential difference between the two ends.

What is Rectangular?A rectangle in Euclidean plane geometry is a quadrilateral with four right angles. It can alternatively be explained in terms of an equiangular quadrilateral a term that refers to a quadrilateral whose angles are all equal or a parallelogram with a right angle. A square is an irregular shape with four equal sides. A rectangle is a sort of quadrilateral with parallel sides that are equal to one another and four vertices that are all 90 degrees apart. Because of this, it is also known as an equiangular quadrilateral. Because the opposite sides of a rectangle are equal and parallel, it can also be referred to as a parallelogram.

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Please answer this question with decent explanation. Thank you.

Answers

Answer: Transversal

Step-by-step explanation:

Altitude is in the triangle as it has vertexes shown by the line, Hypotenuse is the longside of the triangle which is shown, and the legs, every single triangle has legs, which leaves us with transversal which means a straight line that cuts a parrel line. Which isn't shown so that's the answer. Have a good day ;)

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