given a data structure representing a social network implement method canbeconnected on class friend

Answer:

(6,3)

Step-by-step explanation:

x+3y=15

6+3×3=15

6+9=15

15=15

again

4x+2y=30

4×6+2×3=30

24+6=30

30=30

Hence the answer is (6,3)

Answer:

C.) 4,3

Step-by-step explanation:

The given system of equations is:

x + 3y = 15

4x + 2y = 30

The first equation can be rewritten as:

y = (15 - x)/3

Substituting this expression for y into the second equation gives:

4x + 2((15 - x)/3) = 30

Solving for x, we get:

x = 4

Substituting this value of x back into the first equation gives:

y = (15 - 4)/3 = 3

Therefore, the solution to the system of equations is (4,3).

Answer:

For example, we know that y = − 1 3 x + 5 y=\frac{-1}{3}x+5 y=3−1x+5 is perpendicular to y = 3 x − 2 y=3x-2 y=3x−2 because 3−1, the new slope, is the opposite reciprocal of 3, the original slope

Step-by-step explanation:

The effective annual interest rate offered on a loan is C. It is the interest rate that would earn the same interest with annual compounding.

The rate of interest that an investor can earn (or pay) in a year after taking into account compounding is known as the effective annual interest rate, to put it simply.

An essential instrument for assessing the real return on an investment or the real interest rate on a loan is the effective annual interest rate.

Essentially, the effective yearly interest rate that is provided on a loan is the rate at which the same amount of interest would be earned with annual compounding.

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Options for this question include:

Base e used in exponential functions because base e is the base rate of growth shared by all continually growing processes which lets us take a simple growth rate.

In an exponential function, the base b is a constant. The exponent x is the independent variable in which the domain is the set of real numbers. There are two types of exponential functions, those are exponential growth and exponential decay. In the function f (x) = b^x when b > 1, the function represents exponential growth.

Base e allows us to take a simple growth rate, where all change occurs at the end of the year, and find the influence of compound, continuous growth, where every nanosecond or faster, we are growing slightly.

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The factor of (x + y)³ - (x³+y³) is 3xy is a factor of the given expression.

Factor of Expression:

The factor is part of the product. Both are factors of this term 5y because 5y represents 5 × y and 5 is multiplied by y to form 5y. Expressing a term as the product of two or more variables or numbers is called factorization. Sometimes we need to factorize arbitrary algebraic expressions. For example, y2 + y is factored as y(y+1). This means that y and y+1 are factors of y2 + y and a2- b2 = (a + b)(a - b). That is, (a + b ) and ( a-b) are factors of a² - b².

As we know,

(a + b)³ = a³ + b³ + 3a²b + 3ab²

The given expression can be simplified as,

   (x + y)³ - (x³ + y³) = ( x³ +y³ +3x²y + 3xy³) - (x³ +y³)

⇒ (x + y)³ - (x³ + y³) =  x³ +y³ +3x²y + 3xy³ - x³ - y³

This gives,

(x + y)³ - (x³ +y³) = 3x²y+ 3xy²

This can be written as,

(x + y)³ - (x³+y³) = 3xy(x + y)

Therefore, we can say that  3xy is a factor of the given expression.

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not sure if you need the solution too but if you do it’s (3,-2)

The derived units answers are 379 mg, 787 × 10^3 mg and 0.0743 kg.

What do you mean by units?

Unit is a quantity of constant magnitude which is used to measure the magnitudes of other quantities of the same manner

0.379 g = ? mg

as we know, 1 gram is equal to 1000 milligrams. i.e. 1 g = 1000 mg

∴ 0.379 × 1 g

= 0.379 × 1000 mg

= 379 mg

787 g = ? mg

as we know, 1 gram is equal to 1000 milligrams. i.e. 1 g = 1000 mg

∴ 787 × 1 g

= 787 × 1000 mg

= 787000 mg

= 787 × 10^3 mg

74.3 g = ? kg

as we know, 1 gram is equal to 1 / 1000 kilograms. i.e. 1 g = 1 / 1000 kg

∴ 74.3 × 1 g

= 74.3 × 1 / 1000 kg

= 74.3 / 1000 kg

= 0.0743 kg

Therefore, the derived units answers are 379 mg, 787 × 10^3 mg and 0.0743 kg.

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Answer:

The answer is E) The sampling distribution shows how the sample was distributed around the sample mean.

Step-by-step explanation:

Hope this helps!

Triangle abc is congruent to triangle edf. So, priya knows that there is a sequence of rigid motions that takes abc to edf. From the rigid transformation that takes ABC to EDF, the coinciding parts based on congruency; are matched below.

Triangle congruence is when two triangles are said to be congruent to one another, it signifies that their corresponding sides and angles are equal.

Consequently, we can state that if triangle ABC and triangle EDF are congruent;

Angle A ≅ Angle E

Angle B ≅ Angle D

Angle C ≅ Angle F

Segment AB ≅ Segment ED

Segment AC ≅ Segment EF

Segment BC ≅ Segment DF

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Exact value of the expression cos (2  [tex]tan^-^1 (\frac{4}{3})[/tex]) = -7/25 . which is the cosine of the value of an angle 2 [tex]tan^-^1 (\frac{4}{3})[/tex]) .

let  [tex]tan^-^1 (\frac{4}{3})[/tex] = θ

so tan θ = 4/3

tan θ = p/b

Trignometic angle formula

so  p= 4k and b= 3k where k is a constant value.

h = [tex]\sqrt{p^2+b^2}[/tex]

=> [tex]\sqrt{16k^2+ 9k^2}[/tex]

=> 25k^2

=> 5k

where p is perpendicular , b is base and h is hypotenuse

so h= 5k

sin θ = p/h

=> 4k/5k

=> 4/5

cos  θ =b/h

=> 3k/5k

=> 3/5

and cos (2  [tex]tan^-^1 (\frac{4}{3})[/tex]) = cos (2θ)

cos (2θ) = 2 [tex]cos^2[/tex] θ -1

=> 2 * [tex]\frac{3}{5} ^2[/tex] - 1

=> 18/25 -1

=> -7/25

so value of  cos (2  [tex]tan^-^1 (\frac{4}{3})[/tex]) = -7/25

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Answer:

y = 1/3 x + 4

Step-by-step explanation:

The midpoint of a line segment with endpoints A(x1,y1) and B(x2,y2) is the point: M((x₁+x₂)/2,(y₁+y₂)/2)).

The midpoint formula is defined for the points in the coordinate axes. Let (x)1, (y)1, and (x)2, (y)2 be the endpoints of a line segment.

The midpoint is equal to half of the sum of the x-coordinates of the two points, and half of the sum of the y-coordinates of the two points.

The midpoint formula to calculate the midpoint of a line segment joining these points can be given as,

The midpoint is halfway between the two endpoints:

To calculate it:

Add both "x" coordinates, divide by 2

Add both "y" coordinates, divide by 2

M=(xA+xB/2,yA+yB/2)

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The value of the upper quartile is 24.

This method is used to divide a data set into four equal parts and find the values of the quartiles.

To calculate the upper quartile, we first need to find the median (the middle value) of the data set.

This question involves the use of the quartile calculation method.

This can be done by arranging the data in numerical order and finding the middle value.

In this case, the median value is 20.

The upper quartile is then calculated by finding the median of the values above the median.

In this case, the values above the median are 22, 24, 28, and 30.

To find the upper quartile, we need to calculate the median of these values.

This is done by arranging the values in numerical order and finding the middle value, which is 24. Therefore, the upper quartile is 24.

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Answer:

$3

Step-by-step explanation:

$13.99 is for one hour and one hour is for 3 children. This means they paid a total of 3 hours.

$13.99 * 3 = $41.97 for admission alone

Now our total is $50.97

Let's subtract that from admission to find sock price in total

$50.97-$41.97 = $9

Again, 3 children and each for a pair, so lets divide that $9 by 3 for each child.

$9/3 = $3

According to Pythagoras, the square with the longest side is equal to the total of the squares with two sides. Therefore, the triangle in question has an acute angle of 28.07 degrees.

A triangle is a polygon since it has three sides and three vertices. It is one of the basic geometric shapes. The name given to a triangle containing the vertices A, B, and C is Triangle ABC. A unique plane and triangle in Euclidean geometry are discovered when the three points are not collinear. Three sides and three corners define a triangle as a polygon. The triangle's corners are defined as the locations where the three sides converge. 180 degrees is the result of multiplying three triangle angles.

The Pythagorean theorem is satisfied by the triangle's dimension. As a result, the triangle has a right angle.

The acute angle will then be

x = [tex]sin^{-1}8/17[/tex]

x = 28.07 degrees.

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Answer: $3,400

Step-by-step explanation:

Juanita owes $7,000, she pays $150 a month for two years.

Step 1: Create an equation we can plug our values into

7,000=150x +b ------> x=# of months --------> b=what is still owed

There are 12 months in a year. 12(2)=24

7,000=150(24)+b

7,000=3600 +b

-3600 -3600

$3,400=b

Answer:

x=4

y=3

Step-by-step explanation:

work attached here

Answer:

x=4, y=3. (4, 3).

Step-by-step explanation:

-3y=-2x-1

y=x-1

--------------

-3(x-1)=-2x-1

-3x+3=-2x-1

-3x-(-2x)+3=-1

-3x+2x=-1-3

-x=-4

x=4

y=4-1=3

Therefore , the solution of the given problem of interest comes out to be

time = 3 years.

Simple interest is determined by summing the principal, interest rate, time frame, and other elements. The simple return is determined by dividing the principal by the interests rate along with the number of hours. The easiest way to calculate interest is with this formula. Interest is often determined as a percentage of a principal amount. He would only have to pay 50% of a 100% charge if he asked a buddy for a $100 loan and agreed to repay it with 5% interest. $100 (0.05) = $5. You should pay interest on the money you borrow, and you must add interest to any money you lend.

Here,

=>start * multiplier^t

=> multiplier = 1 + x % = 1.025

try n=1,

n=2,

n=3

So,

2800 *  1.025^n =3000

On comparing n=1,2,3

We get,

2800 *  1.025^3 = 3000

Thus , n=3 is the correct answer.

Therefore , the solution of the given problem of interest comes out to be

time = 3 years.

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Answer:

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p is inversely proportional to the square of q:

p is 20 when q is 7, substitute:

Find the value of k:

Determine p when q is equal to 2:

The probability of spinning an odd number, flipping heads, then spinning a yellow is of 1/9.

A probability is calculated as the division of the number of desired outcomes by the number of total outcomes.

The probabilities for each case in this problem are given as follows:

The events are independent, hence the probability is obtained multiplying each probability as follows:

p = 2/3 x 1/2 x 1/3 = 1/9.

The complete problem is given by the image shown at the end of the answer.

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A 2-column table with 4 rows. The first column is labeled x with entries negative 5, 1, 4, 6.  The range is

{9, 0, -7, -1}.

Generally, The range is the difference between the largest and smallest values in a set of data. In statistics, it is a measure of the spread of a dataset, giving an indication of the extent to which values in the data vary. It is calculated by subtracting the minimum value from the maximum value in the dataset.

The range of a function is the set of all possible output values (y-values) of the function.

In this case, the range of the function would be {-1, 0, 7, 9}.

This is determined by looking at the y-values in the second column of the table: {9, 0, -7, -1}.

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The factors affecting substitution reaction are Steric nature of the substrate, Nature of nucleophile, Solvent used, Leaving group.

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Step 2 is the incorrect step and hence d is the correct answer.

The two angles are said to be adjacent angles when they share the common vertex and side. The endpoint of the rays, forming the sides of an angle, is called the vertex of an angle. Adjacent angles can be a complementary angle or supplementary angle when they share the common vertex and side.

Given here: m∠w + m∠z = 90 but this is not true because they are adjacent angles and they lie on a line so they must supplement each other.

m∠w + m∠z = 180

Hence, Step 2 is the incorrect step and hence d is the correct answer.

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Constant of proportionality from side lengths in the original figure to side lengths in the scaled copy = 2/11

Proportion is a mathematical comparison between two numbers.  According to proportion, if two sets of given numbers are increasing or decreasing in the same ratio, then the ratios are said to be directly proportional to each other. Proportions are denoted using the symbol  "::" or "=".

Given,

f is the length of side of original figure

And s be the side of copied figure

f ∝ s

⇒ f = ks       --------(a)

where k is constant of proportionality

Proportion between side of original figure and its copy is such that

s = (11/2)f

f = (2/11)s      -----------(b)

comparing equation (a) and (b)

k = 2/11

Hence, 2/11 is constant of proportionality from side lengths in the original figure to side lengths in the scaled copy.

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the solutions for a system of equations is where the graphs of each equation meet or intersect.

for the picture above with two parallel lines, well, the lines are parallel and apart from each other, that means they never meet or intersect, and since they never intersect, they have no solution.

To construct a dilation with a scale factor of 2, you need graph paper, a compass, a ruler, a straightedge, and a pen/pencil. Sketch the pre-image, measure the distance, construct the centre, draw a line segment and use a compass to draw an arc to construct the image.

To construct a dilation with a scale factor of 2, you will need the following materials:

Steps:

It's important to note that, the dilation will keep the same shape as the original figure but it will be twice as large as the original figure.

Also, the centre of dilation is the point that stays the same distance from all the points on the image and the pre-image.

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