Help me I’ll mark brainliest!!!!!!!

The optimal response is The ranges below encompass all real numbers: From 0 through all actual numbers. The domain of this function is all real numbers since x can be entered with any value.

Range: the discrepancy between the top and bottom numbers. To get the range, locate the greatest observed value of the variable and deduct the least observed value (the minimum). The data points between the two extremes of the distribution are not taken into consideration by the range; just these two values are considered. Between the lowest and greatest numbers, there is a range. Values at the extremes make up the range. The data set 4, 6, 10, 15, 18, for instance, has a range of 18-4 = 14, a maximum of 18, a minimum of 4, and a minimum of 4.

answer to the question is that all real numbers or (−∞,∞)

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The constant of proportionality for the data is 80. The correct option is B.

The proportionality constant is the ratio that connects two given values in a proportional relationship. The constant of proportionality is also known as the constant ratio, constant rate, unit rate, constant of variation, and even the rate of change.

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 the points are (6,480) and (8,640). The value of the proportionality constant will be calculated as,

y =kx

480 = k x 6

k = 480 / 6

k = 80

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The numeric value of the expression c = 5a + 6b is given as follows:

c = 759.5.

The expression in this problem is defined as follows:

c = 5a + 6b.

To obtain the numeric value of the expression, the values of a and b have to be known, and they are discovered solving the system of equations presented as follows:

In standard format, the system is given as follows:

Multiplying the first equation by 6 and the second by -5, we have that:

Adding the two equations, we have that the variable b is given as follows:

-2b = -119

b = 119/2

b = 59.5.

Then the variable a is obtained as follows:

5a + 8 = 7(59.5) - 6

a = (7(59.5) - 6 - 8)/5

a = 80.5.

Thus the numeric value of the expression is given as follows:

c = 5(80.5) + 6(59.5)

c = 759.5.

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Points on a perpendicular bisector of a line segment are equidistant from the segment’s endpoints.

True

To find the asymptotes and holes of a rational function, factor the denominator of the function and set it to zero. This will give you the x-values of the holes. To find the asymptotes, take the degree of the numerator and subtract it from the degree of the denominator. This will give you the degree of the asymptote.

To find the asymptotes and holes of a rational function, you must first factor the denominator of the function and set it to zero. This will give you the x-values of the holes, or the values where the function is undefined. To find the asymptotes, take the degree of the numerator and subtract it from the degree of the denominator. This will give you the degree of the asymptote. For example, if the numerator is a second degree polynomial and the denominator is a third degree polynomial, the asymptote will be a first degree polynomial. To find the equation of the asymptote, divide the numerator and denominator by the highest degree term of the denominator. The resulting quotient will be the equation of the asymptote. The asymptotes will be straight lines, so the equation will be in the form of y = mx + b. The holes will be the x-values of the points where the denominator equals zero. The asymptotes and holes will divide the graph of the rational function into distinct regions, and can be used to analyze the behavior of the function.

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Angle-Angle-Side (AAS) Theorem has two sides and a non-included angle.

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The probability of the event occurring at odds of 11 to 28 is 11/39.

The odds of an event are other way of expressing the likelihood of an event occurring. Use the below formula for converting the probabilities and odds .

Probability = odds/(1+ odds)

We have, the odds for a certain event = 11 to 28 i.e, 11/28

The probability of the event occuring say, P =

= odds/(1+ odds) = (11/28)/( 1 + 11/28 )

=> P = (11/28 )/(( 28+ 11)/28)

=> P = (11/28 )/(39/28)

=> P =( 11/28)× 28/39

=> P = 11/39

Since 11 is prime number, this fraction cannot be reduced. Hence, required fraction is 11/39.

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What is polynomial function?

In an equation such as the quadratic equation, cubic equation, etc., a polynomial function is a function that only uses non-negative integer powers or only positive integer exponents of a variable. For instance, the polynomial 2x+5 has an exponent of 1.

Since we know that complex solutions ALWAYS come in pairs, the minimal polynomial must include the root of 4-i as an acceptable root..

This leads to a polynomial of ...

p(x) = (x - 5)(x - (4+i))(x - (4-i))

Now we can simplify...

(x - (4+i))(x - (4-i)) --> x2 + [(4+i)+(4-i)]x + (4+i)(4-i) --> x2 + 8x + [ 16 -4i + 4i -i2 ] = x2 + 8x +17

Take this quadratic and multiply by (x-5) to get the final, minimal polynomial...

p(x) = (x-5)(x2 + 8x +17) = x3 + 8x2 + 17x -5x2 + 40x - 85 = x3 + 3x2 + 57x - 85

So p(x) = x3 + 3x2 + 57x - 85

p(x) has only real coefficients, the leading coefficient of 1, and is the smallest to allow for the two solutions requested

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Answer: 95/3 gallon of paint

Step-by-step explanation:

I guess you mean each requires 5/3 gallon of paint

If so, we take 5/3 times 19 = 95/3 gallon of paint

95/3 = 31 2/3

The correct analysis would be 3 option

Describe statistics using an example.

A statistic is a numerical expression of a sample characteristic. The average amount of points obtained by students in one math class at the conclusion of the term, for instance, is an example of a statistic if we see that class as a sample of the population of all math classes.

The right response is selection 3. To compare the means of two independent groups, use the independent samples t test. to determine whether there is a substantial difference between the means of the two groups. In this instance, we are comparing two different groups of people: those who work the night shift and those who work the day shift. By definition, these two groups of persons would differ, therefore neither a matched sample test nor a one-sample test would be appropriate. Furthermore, we are not interested in person's r, which is a measure of linear correlation between two variables.

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Answer:

  P(-0.2, 2.2)

Step-by-step explanation:

You want the coordinates of point P that divides AB into segments with the ratio AP/PB = 3/7. The end points are A(-2, 1) and B(4, 5).

The point that divides AB in the ratio m/n is ...

  P = (mB +nA)/(m+n)

  P = (3(4, 5) +7(-2, 1))/(3+7) = (12 -14, 15 +7)/10

  P = (-0.2, 2.2)

If the player do not know exactly how many times the game will be repeated the maximum level of probability can be predicted through Nash equilibria.

The concept, Nash equilibrium in game theory where the optimal outcome is when there is no incentive for players to deviate from their initial strategy. The players have knowledge of their opponent’s strategy and still will not deviate from their initial chosen strategies because it remains the optimal strategy for each player. Overall, an individual can receive no incremental benefit from changing actions, assuming that other players remain constant in their strategies. A game may have multiple Nash equilibria or none at all. The Nash equilibrium is a decision making theorem within game theory that states a player can achieve the desired outcome by not deviating from their initial strategy.

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The expressions represent the length of side, HI are sqrt(161) and 15 sin(90°- 75°) . So, option (a) and (c) are right answers.

A geometry theorem : the square of the length of the hypotenuse of a right triangle equals the sum of the squares of the lengths of the other two sides ( i.e base and prependicular) .

Mathematically, (GH)² + (HI)² = (GI)²

We have , provide a triangle GHI , since measure of angle H is 90° so it is a right angled triangle.

We have to calculate the length of side HI , for this we can use either triangular formulae or Pythagoras theorem. Here, we are using Pythagoras theorem,

As we have, GH (prependicular) = 8 unit , GI (hypotenuse) = 15 unit , HI ( base) = ?

(prependicular)²+( base)² = (hypotenuse)²

=> (GH)² + (HI)² = (GI)²

=> (8)² + (HI)² = (15)²

=> (HI)² = (15)² - (8)²

=> (HI)² = 225 - 64 = 161

=> HI = sqrt(161) = 12.68

Using Trigonometric functions,

measure of angle G = 180° - 90° - 75° = 15°

In right triangle GHI, sin 15° = HI /15

=> HI = 15 sin 15° = 15 sin(90°- 75°)

So, the length of side HI is sqrt(161) or 15 sin 15° .

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Complete question:

Consider right triangle ∆GHI present above. Which expressions represent the length of side HI? Choose 2 answers:

a)15 sin(90° - 75°)

b)15 cos(90° - 75°)

c) sqrt(161)

d)tan(90° -

The mean deviation of the scores is 2 when the mean value is 15.

In the statistics, mean deviation indicates the average deviation relative to the mean value of a given statistical data. While calculating mean deviation mean value is subtracted from each data value. After that all these values are added and divided by the total amount of data.

We are given three score 12, 15 and 18

Number of scores, N = 3

mean of the scores = (12+15+18)/ 3

                                =15

Let, mean score is denoted by X

List of scores X1    12

                      X2   15

                      X3    18

Now, we calculate X1 -X= 12- 15 = -3

                             X2-X = 15-15 = 0

                           X3-X = 18- 15 = 3

Absolute value of X1-X = |X1-X| = |-3| = 3

Absolute value of X2-X =|X2-X|= |0| = 0

Absolute value of X3-X = |X3-X| = |3| = 3

Sum of absolute value= ∑|Xi-X| = 6

Hence, mean deviation = ∑|Xi-X|/N = 6/3

mean deviation =2

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Tim puts two pickles in each of the five lunch bags, leaving him with three pickles.

If Tim puts the same number of pickles in each of the lunch bags and as many as possible, only a maximum of two can be put in each of the bags:

Dividing 13 pickles by 5 lunch bags, the answer is 2 pickles with a reminder of 3 pickles

13 ÷ 5 = 13/5

Therefore, Tim puts two pickles in each of the five lunch bags and is left with three pickles.

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The median is the middle point in a dataset—half of the data points are smaller than the median and half of the data points are larger.

To find the median:

1-Arrange the data points from smallest to largest.

2-If the number of data points is odd, the median is the middle data point in the list.

3-If the number of data points is even, the median is the average of the two middle data points in the list.

Finding the middle number requires sorting all the data points and choosing the center one (or if there are two middle numbers, taking the mean of those two numbers).

Example: The median of 4, 1, and 7 is 4 because when the numbers are put in order (1,4,7)the number 4 is in the middle.

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Of the given options the one that is true is if two variables are very strongly associated then the correlation between them will be near 1.0 or -1.0. Hence, option A is correct.

Correlation of 1.0 indicates that the variables are directly related while a correlation of -1.0 indicates that the variables are inversely related.

The degree to which two variables are linearly connected is expressed by the statistical concept of correlation (meaning they change together at a constant rate). It's a typical technique for explaining direct connections without explicitly stating cause and consequence.

However, we utilise correlation to indicate a link between two quantitative variables in statistical terms.

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Answer:

A. It is a decrease in assets.

Step-by-step explanation:

The business paid $700,000 to the Loans Payable via cash, reducing their assets by 700,000 dollars AND increasing the credits. The business increased its credit score since it paid the exact amount it got a loan for back to the Loan Company.

That money was the payable loan depicted in the Debit section.

Answer:

OptionA) Decrease in assets

Step-by-step explanation:

The business paid $700,000 to the Loans Payable via cash, reducing their assets by 700,000 dollars AND increasing the credits.

If at a local sandwich shop, 45% of customers preferred white bread over whole wheat bread. The  percentage of customers chose whole wheat bread with turkey is: D. 26%.

First step is to find the percentage of customers who preferred ham with whole wheat bread

Percentage = ( 1- .45)

Percentage = .55

Second step is to find the percentage of customers who preferred whole wheat bread

Percentage = (1- .52)

Percentage  = .48

Now let find the  percentage of customers chose whole wheat bread with turkey

Percentage = .48 × .55

Percentage = .26 ×100

Percentage =26%

Therefore the correct option is D.

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To establish congruence between two geometric figures, it is necessary to have information about their size and shape. This includes information about the lengths of their sides and the measures of their angles. It may also be necessary to know the relative positions of the figures, such as whether they are oriented in the same way or whether one is a reflection of the other.

To show that two figures are congruent, it is usually necessary to use one or more of the following techniques:

Superimpose the figures: This involves placing one figure directly on top of the other so that corresponding parts are aligned. If the figures are congruent, they will fit exactly on top of each other and no gaps or overlaps will be visible.

Use a ruler or other measuring tool: By measuring the lengths of the sides and angles of the two figures, it is possible to determine whether they are congruent. If all of the measures are the same, the figures are congruent.

Use transformations: Congruent figures can be obtained from each other through translations, rotations, and reflections. By applying these transformations to one of the figures, it is possible to determine whether it can be made to match the other figure.

Use geometric principles: There are various geometric principles that can be used to establish the congruence of two figures. For example, the AA (Angle-Angle) Congruence Postulate states that if two angles of one triangle are congruent to two angles of another triangle, then the triangles are congruent.

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The balance after 5 years would be near around 5661 dollars.

What is compound interest?

Compound interest is the addition of interest to the principal sum of a loan or deposit, or in other words, interest on principal plus interest.

First, convert R as a percent to r as a decimal

r = R/100

r = 2.5/100

r = 0.025 rate per year,

Then solve the equation for A

[tex]A = P(1 + r/n)^{nt}\\\\A = 5,000.00(1 + 0.025/2)^{(2)(5)}\\\\A = 5,000.00(1 + 0.0125)^{10}\\\\A = 5,661.35[/tex]

Hence the balance after 5 years would be near around 5661 dollars.

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The domain is {9, 8, -9, 3, 7}, the range is {-8,-9, 5, 8} and the relation is a function

From the question, we have the following parameters that can be used in our computation:

{(9,-8), (8,-9), (-9, 5), (3, 8), (7, 8) }

The domain is the set of the x values

So, we have the following representation

x = {9, 8, -9, 3, 7}

Remove repeated entries

x = {9, 8, -9, 3, 7}

So, the domain is {9, 8, -9, 3, 7}

Similarly, we have

Range = {-8,-9, 5, 8}

Also, the relation is a function

This is because the no x value has several y values

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Carlos attempted correctly.

Formulas for converting temperature values between different units are referred to as temperature conversions. There are numerous ways to convert temperatures. The most popular units of measurement among these are Kelvin, Celsius, and Fahrenheit.

Given:

We know the formula

F= 9/5 C + 32

Now, writing in the equation form

5F = 9C + 160

5F- 9C = 160

As, per the given Information Carlos attempted the right form and

Mikala made a mistake in transferring 5/9.

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Answer:

Step-by-step explanation:

Tangent is perpendicular to radius at point of contact.

So, ∠ABO=∠ACO=90

∘

In a quadrilateral, the sum of the angles is 360

∘

​.

∠BAC+∠BOC+∠ABO+∠ACO=360

∘

∴∠BAC+∠BOC=18​0

∘

                     ∠BOC=180

∘

−40

∘

                     ∠BOC=140

∘

So, option C is the answer

The team with the home-court advantage would win a 1 game playoff with probability (p), the home-court team is less likely to win a three-game series than a 1 game playoff.

For the team with the homecourt advantage, let [tex]Wi[/tex] and [tex]Li[/tex] denote whether the game '[tex]i[/tex]' was a win or a loss. Because games 1 and 3 are home games and game 2 is an away game.

The probability that the team with the home-court advantage wins is

P [H] = P [[tex]W1W2[/tex]] + P [[tex]W1L2W3[/tex]] + P [[tex]L1W2W3[/tex]]

        = [tex]p(1-p)[/tex] + [tex]p3[/tex] + [tex]p(1-p){2}[/tex]

Note that P[H] ≤ pfor 1/2≤p≤1.

Since the team with the home-court advantage would win a 1 game playoff with probability (p), the home-court team is less likely to win a three-game series than a 1 game playoff.

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For the team with the homecourt advantage, let  and  denote whether the game '' was a win or a loss. Because games 1 and 3 are home games and game 2 is an away game.

The probability that the team with the home-court advantage wins is

P[H] ≤ pfor 1/2≤p≤1.

Since the team with the home-court advantage would win a 1 game playoff with probability (p), the home-court team is less likely to win a three-game series than a 1 game playoff.

Answer:

11.2

Step-by-step explanation:

15x + 32 = 200       Subtract 32 from both sides

15x + 32 - 32 = 200 - 32

15x = 168  Divide both sides by 15

[tex]\frac{15x}{15}[/tex] = [tex]\frac{168}{15}[/tex]

x = 11.2

Answer:

i think the answer is x= 11.2

Step-by-step explanation:

15x= 200-32

15x=168

x=168/15

x=11.2

Answer:

The level of irritation for both groups can be compared to see if the new cream had a significant effect.

Step-by-step explanation:

In this experiment, the purpose of having two groups is one being the control group, and one being the group being experimented on. The control group is needed in order to know for sure that it is the cream that is beneficial, instead of an outside factor such as the poison ivy being bad.

By comparing the level of irritation for both groups, it will become apparent if the new cream has a side effect.

Answer:

The level of irritation for both groups can be compared to see if the new cream had a significant effect.

Step-by-step explanation:

the phrasing is a bit strange.

but I think the first one means "overall" in the sense of outside and inside the 2 test groups.

the third one would object compare results only inside the group that got the active ingredient.

the 4th one is just nonsense.

so, only the second answer option makes sense. these 2 groups are created so that their results can be compared. that is the whole point.

The simultaneous equations 2x + 3y = 8 and 4x + 6y = 7 supplied do not have a solution  

A collection of two or more equations, each of which contains two or more variables, each of whose values can simultaneously fulfil one or more of the equations in the collection, with the total number of variables in the collection being equal to or fewer than the total number of equations.

Two or more algebraic equations that share variables, such as x and y, are said to be simultaneous equations. The equations are referred to as simultaneous equations since they are solved simultaneously.

Here are a few examples of simultaneous equations:

2x + 4y = 14

4x − 4y = 4.

Given,

2x + 3y = 8 and 4x + 6y = 7

We get,

2x + 3y = 8 ….. (i)

4x + 6y = 7 ….. (ii)

Then we have Multiply (i) by 4

4x + 6y = 16..... (iii)

Therefore, LHS of (ii) and (iii) are same but RHS is different. As a result, the answer is false.

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The graph of which the function has an axis of symmetry at x = 3 is the graph of

The axis of symmetry of a quadratic function is the line that bisects the curve into two.

The formula for the axis of symmetry is of the form

x = -b / 2a

for the function y = x² - 6x - 1

b = -6

a = 1

the axis of symmetry, x = -(-6/(2 * 1))

= - (-3)

= 3

hence the axis of symmetry is x = 3

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The roots of the Given quadratic equation are 0.57 and -2.9 solved using the algebraic method.

The given equation is a quadratic equation because the degree of the given equation is 2.

How can one tell whether or not a given equation is a quadratic equation?

A quadratic equation is a two-variable polynomial equation of degree two of the form [tex]f(x) = ax^2+bx+c = 0[/tex] with the variables a, b, and c being real numbers and a not equal to 0. With "a" denoting the leading coefficient and "c" denoting the absolute term of f, it is a quadratic equation in its general form (x). The values of x that fulfil the quadratic equation are known as the roots.

The given equation is 3x²+7x - 5 =  0 a =3,b=7, c =-5

lets roots of the given equation is (α, β).

roots can be found using  Shreedhara Acharya's formula.

[tex](\alpha, \beta) = [-b \± \sqrt(b^2 - 4ac) ]/2a[/tex]

α = [-b + √(b^2 – 4ac)]/2a

β = [-b - √(b^2 – 4ac)]/2a

b^2 – 4ac = 49-4*3*(-5) = 49+60 = 109

α = (-7+[tex]\sqrt{109}[/tex])/2*3

α = (-7+10.44)/6

α = 0.57

β  = (-7 - 10.44)/6

β  = -2.9

So the roots of the Given quadratic equation are 0.57 and -2.9.

-- The given question is incomplete, the complete question is

"What will be the roots of the equation 3x^2+7x-5=0" --

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