Can someone please answer with explanation

Whole numbers are closed under addition and multiplication. If we add and  multiply any two whole numbers, the result will be a whole number.

What are Whole numbers ?
The numbers that include natural numbers and zero. Not a fraction or decimal. {0, 2, 3, 4, 5 6, 7, 8, 9, 10, 11 …} Whereas Integer: A counting number, zero, or the negative.

If we add any two whole numbers, the result will be a whole number. For example, 2 + 4 = 6 and 6 is a whole number.

Therefore, whole numbers are closed under addition.

If we multiply any two whole numbers, the result will be a whole number. For example, 2 × 4 = 8 and 8 is a whole number.

Therefore, whole numbers are closed under multiplication.

Also , Whole numbers are not closed under Subtraction and division.

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The formula for 3 consecutive numbers is n + 1, n + 2, and n + 3, where n is an integer.

Consecutive numbers are those that always appear in the same order, from smallest to largest.

For instance:

The numbers 1, 2, 3, 4, 5, 6, and so on are consecutive.

(n + 1) and (n + 2) will be the next two consecutive integers if n is an integer. Let n, for instance, be 1. Its consecutive integers are either 2 or 3, or 1 + 1 + 2.

Thus, the formula is:

n, n+1, n+2, n+3,…

consecutive Even Numbers:

The endings of even numbers are 0, 2, 4, 6, or 8. Zero, two, four, six, eight, ten, twelve, and so on are examples of consecutive even numbers.

consecutive Odd numbers:

Numbers that begin with 1, 3, 5, 7, or 9 are considered odd. 1, 3, 5, 7, 9, 11, 13, 15, and so on are examples of consecutive odd numbers.

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The level of a line's slope indicates its steepness.

A line with a slope of 1/3 has a perpendicular line with a slope of -3. The product of the slope is equal to -1 when two lines are perpendicular.

The slope is computed mathematically as "rise over run" (change in y divided by change in x).

In accordance with the slope equation, the slope of such a line may be determined by dividing the rise of the line between two positions by the run of the same line between the same two sites.

That is to say,

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Beverage containing 160 calories and 40 grams of sugar will be equal to 18 teaspoons.

Like other carbs, sugar has nutritional value.

Carbohydrates contain roughly 4 calories per gram.

A teaspoon of sugar has 20 calories and approximately 5 grams of carbohydrates.

As per the question,

The beverage contains 160 calories,

160 calories will be equivalent to (160/20) = 8 teaspoons. (As 1 teaspoon of sugar contains 20 calories)

Along with it, the beverage also contains 40 grams of added sugar.

The 40 grams of added sugar divided by the 4 grams of sugar per teaspoon resulted in 10 teaspoons of added sugar.

As in a drink, 160 calories and 40 grams of added sugar are present.

So, the total teaspoons of sugar will be = 8 + 10 = 18 teaspoons.

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The missing number in a given integer array of 1 to 100 can be found using the PHP array_diff() function.

This function compares two array and returns the difference. To find the missing number, we first need to create an array that contains all numbers from 1 to 100. We then create another array with the given integers. Using array_diff(), we can compare the two arrays and the difference will be the missing number.

To use the array_diff() function, we first need to create the two arrays. For example,

$array1 = range(1,100);

$array2 = array(1,2,3,4,5,6,7,8,9);

The first array is containing all numbers between 1 and 100 and the second array is containing the given integers.

The next step is to use the array_diff() function. The syntax for this is

The result of this will be an array containing the missing integer.

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The value of x is six when f(x) = 64, and there are 64 subscribers completed on a training video service at week 6. So, correct answer is option (A).

In the exponential function, the independent variable or x-value is the exponent and the base is constant. The exponential formula is y = abˣ, where a and b are constants. For example, y = 2ˣ is exponential.

We have, the number of subscribers of a training video is double each week. The function f(x) represent the number of ubcriber in week x, f(x) = 2ˣ

we have to calculate value of x that is week when f(x) = 64 or there is 64 subscribers. So, 2ˣ = 64 --(*)

Introducing logarithms both sides of equation (*) we get,

=> log (2ˣ) = log 64

=> x log 2 = log 64 (log rule, log aˣ= x log a)

divide both sides by log 2

=> x log 2/log 2 = log 64/log 64

=> x = log 64/log 2 = log (2⁶)/ log 2

=> x = 6 log 2/log 2 = 6

so, x = 6 , Hence, the required week i.e x is 6.

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Complete question:

the number of subscribers to a streaming video service doubles each week. The function f(x)=2^x represents the number of subscribers in a week x. when are there 64 subscribers?

A. week 6

B. week 7

C. week 32

D. week4

Answer:

Step-by-step explanation:

A direct variation is a linear relationship between variables so they have a constant ratio. It is a special case of the slope-intercept form y =mx +b, where b = 0.

Triangle congurent theorem is being applied if two triangles of one triangle are congruent to two angles of another triangle and the triangles are similar.

Angle-Side-Angle (ASA) theorem states that if two triangles are considered congruent, then the two corresponding angles equal to each other will include a corresponding side that is equal to each other.

By applying the Side Angle Side Postulate (SAS), you can also be sure your two triangles are congruent. Here, instead of picking two angles, we pick a side and its corresponding side on two triangles.

The SAS Postulate says that triangles are congruent if any pair of corresponding sides and their included angle are congruent.

Perhaps the easiest of the three postulates, Side Side Side Postulate (SSS) says triangles are congruent if three sides of one triangle are congruent to the corresponding sides of the other triangle.

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The missing reason in the flowchart would be SAS.

Option (D) is correct.

What is the SAS congruence theorem?

If two sides and the included angle of one triangle are equal to two sides and the included angle of another triangle, the triangles are congruent.

In the given figure,

Side RC ≅ Side TN ---- Given

Side HX ≅ Side XK ----Given

Angle RHK ≅ Side HKN --- Vertical angles are congruent.

Hence, ΔRHX ≅ NKXΔ ----- (SAS congruence)

Hence, the missing reason in the flowchart would be SAS.

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Answer:

  (5 +√5) and (-√5 -5)

Step-by-step explanation:

Given two roots of the 4th-degree polynomial with integer coefficients are (5-√5) and (√5-5), you want to know the other two roots.

The other two roots are the conjugates of the given roots. That is, the signs of the √5 term will change:

  (5 +√5) and (-√5 -5)

__

Additional comment

The polynomial is x⁴ -60x² +400.

Answer: answer 74 hope it help

Step-by-step explanation:

9x9= 81

3x3x3 27

27-20=7

81-7=74

Answer: (3x+4)(3x−5)

Step-by-step explanation:

An object is moved rigidly when it is transferred from one location to another without affecting its size or shape.

A "matching" figure is one that can be placed perfectly on another. The bread has the same size and form when it is stacked. Match refers to objects that are precisely the same size and form. If one of two geometric figures can be consistently overlaid on the other, they are said to be congruent or to be in a congruent relationship.

An object is moved rigidly when it is transferred from one location to another without affecting its size or shape. Only a precise movement may generate a correspondence between two forms, and only then can two shapes match.

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The three correct answers that describe the given transformations are;

A) To create g, the graph of f is shifted 5 units up.

C) The graph of f is steeper than the graph of g.

F) The y-intercept of g is 5 units above the y-intercept of f.

We are given the equations as;

f(x) = x

g(x) = ¹/₃(f(x)) + 5

For a function f(x) we define a vertical translation (or vertical shift) of n units as:

g(x) = f(x) + n

If n is positive, the translation is upwards

If n is negative, the translation is downwards.

Thus, the graph of f was shifted 5 units upwards.

Now, the equation of a line in  slope intercept form is;

y = mx + c

where;

m is slope

c is y-intercept

Thus;

y-intercept of f(x) = 0

y-intercept of g(x) = 5

Thus;

y -intercept of g is 5 units above y-intercept of f.

Now, the steeper the line, the higher the slope. Thus, function f has a higher slope than function g and so function f is steeper than function g.

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The graph of the line x=-5 is attached below :

An informational shift over time is graphically represented by a line graph. It is a graph that was created by connecting points with line segments.

x=-5 denotes that for the given line the value of x cordinate is always same and is equals to -5.

This line passes through point (-5,0)

So for the given line the value of x cordinate is constant and is equal to -5 so it is a vertical line that passes through point (-5,0).

Any straight line that runs from top to bottom or bottom to top is considered to be a vertical line. Standing lines are another name for the vertical lines.

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The graph of the line parallel to x-axis and passes trough the point (-2,3).

What is slope of a line?

A line's slope in mathematics is defined as the ratio of the change in the y coordinate to the change in the x coordinate.

Both the net change in the y-coordinate and the net change in the x-coordinate are denoted by Δy and Δx, respectively.

Consequently, the formula for the change in y-coordinate with respect to the change in x-coordinate is

m = Δy/Δx  = change in y/change in x

where "m" represents a line's slope.

Additionally, the slope of the line can be shown as

tan θ = Δy/Δx.

Given that the slope of the line is 0. Thus the angle between the line with the x-axis is 0 degree as tan 0° = 0.

The line is parallels to x-axis.

The equation of the line that is parallel to x-axis is y = a.

Since the line passes through the point (-2,3), thus it will be satisfies the equation line.

Putting x = -2 and y = 3

a = 3

The equation of the line is y = 3

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Using the concept of functions option A [tex](f-g)(y)=2y^{2}-3y-1[/tex] is true by solving both the functions f(y) and g(y).

An association between each element of a non-empty set A and at least one element of a different non-empty set B is called a function. A relation f between a set A (the function's domain) and a set B is how a function is defined in mathematics (its co-domain). For any A and B, f = {(a, b) | for all a ∈ A, b ∈ B}

According to the given question we have given two functions f (y) and g (y), then:

(f - g) (y)=f(y)-g(y)

We have:

[tex]f(x)=5y^{2} -2y+1[/tex]

[tex]g(y)=-3y^{2}-y-2[/tex]

Subtracting both the above functions we have:

[tex](f-g)(y)=2y^{2}-3y-1[/tex]

Hence option A [tex](f-g)(y)=2y^{2}-3y-1[/tex] is true by using the concept of functions.

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Answer:

8

Step-by-step explanation:

its the middle number when the given values are listed least to greatest.

*count from each minimum and maximum values til you have the number in exact center.

A point in mathematics is symbolised by a dot (.) and used to indicate an accurate location in space. It lacks all three dimensions—length, breadth, and height. It has no size, in other terms.

Different Points

In geometry, there are several distinct kinds of points:

Converging Points

Collinear refers to something that is parallel. If three or more points lie on a single straight line, they are said to be collinear.

Incongruent Points

If three or more points do not lie on the same line, they are said to be non-collinear. There isn't a single straight line that can be drawn that goes through each of these points.

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Answer:

A 120 month contribution.

There are three major forms of linear equations: point-slope form, standard form, and slope-intercept form

Slope-intercept form is written as y=mx+b, where m is the slope and b is the y-intercept. Using the information given we can plug in the numbers to get the correct equation. This looks like y=-3x+4.

Slope-intercept form is helpful because we can use it to find coordinate points and graphs. By graphing the y-intercept and then using the slope to count out points, you can find the function. Additionally, by plugging in values for x or y, you can find coordinate pairs.

The standard form is Ax + By = C

Where, if at all possible, A, B, and C are integers, and A is non-negative.  Our linear equation in standard form is:

x - 5y = -12  or 1x - 5y = -12

where A = 1, B = -5, and C = -12  

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The length of the rectangular  playground is 241.86 foot.

Given that area of rectangle is 19,500 sq.ft and length of rectangle is three times its width.The area for rectangle is given by formula: A=LW.

Now according to the given condition, L= 3W. Further we'll solve by putting L= 3W in the formula for rectangle.

A=LW

As given A= 19,500 sq.ft and considering L=3W,

19,500 = 3W*W

19,500 = 3W^2

∴ W^2 = 6500

∴ W = [tex]\sqrt{6500}[/tex]

∴ W = 80.6225 ft. ≈ 80.62 ft.

Now putting the value W = 80.62 in equation L =3W,

L = 3* 80.62

L = 241.86 ft.

The length of the rectangular playground is 241.86 foot.

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To translate an entire triangle, find the coordinates of each of the triangle's vertices, add the horizontal translation then plot the three translated points

Whenever an object is moved from one location to the next without changing its size, shape, or orientation, a translation takes place. If we know which way and how far the figure to be moved, we can draw the translation in the coordinate plane.

There are some steps of translating the triangle:

Step 1: Find the coordinates of each of the triangle's vertices in step one.

Step 2: Add the horizontal translation value to each vertex's x-coordinate and the vertical translation value to each point's y-coordinate to translate each point. If the horizontal translation is to the left or the vertical translation is downward for these translations, add a negative number.

Step 3: Plot the three translated points and draw the triangle by drawing a straight line between each pair of points.

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Bibliographic citations are the headings on your References page that provide links to the sources you used in your essay.

The entries on your References page that give directions to the sources you cited in your essay are known as bibliographic citations.

Consider them the "address" of a source since they direct readers to a source you cite.

The author's name, the book's title, the publisher's name, and the publication date must all be included in a book citation.

When cited in full, edited books will list the editor's name rather than the author's name.

The appearance of bibliographies can vary depending on the style manual you are using.

Bibliographies often include the page number, title, and an alphabetical list of all the sources you consulted.

A synopsis of the work is also included in annotated bibliographies.

Therefore, bibliographic citations are the headings on your References page that provide links to the sources you used in your essay.

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The equation of the linear line that best fit the given points is y = (7/8)x + 7/8.

A straight line on the coordinate plane is represented by a linear function.

A linear function always has the same and constant slope.

The formula for a linear function is f(x) = ax + b, where a and b are real values.

The line passes through points (-1,0) and (7,7) will be the best fit as it is at the smallest distance between all points.

The linear function associated with the point (-1,0) and (7,7) will be as,

y - 0 = [(7 - 0)/(7 + 1)](x + 1)

y = (7/8)(x + 1)

y = (7/8)x + 7/8

Hence "y = (7/8)x + 7/8 is the equation of the linear line that best fits the provided points".

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Answer:

550

Step-by-step explanation:

3/4 x 1000 = 750

The parking lot has 750 cars and trucks.  Subtract out the 200 cars and we are left with 550 trucks.

The three consecutive odd numbers of the number 105 are:

107, 109 and 111

Consecutive numbers are those numerical values that are found just after a specific number or value, for example consecutive numbers from 10 will be 11 onwards.

To solve this problem we must have clear which is our base number, and this is 105, as we will determine the consecutive numbers we must add +1, +2.... as many times as we want, now as we only want the odd numbers and 105 is odd we will proceed to add multiplies of 2:

+2, +4 and +6, having as a result the following numbers:

The consecutive and odd numbers will be 107, 109, 111.

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Answer:

what equation?

Step-by-step explanation:

Answer:

x=2

Step-by-step explanation:

2(x+1)^2+3=21

2(x+1)^2=9

x+1=3

x=2