Which of the following is an equivalent form of the compound inequality -33> -3x - 6 ≥
-36?

Answer:

Step-by-step explanation:

First write the reciprocal of 5/9 which it is 9/5 then multiply by 5 which it equal to 36/5

The quadratic function that models the path of the ball is given as follows:

y = -(x - 2)² + 9.

The graph of this quadratic function is given by the image shown at the end of the answer.

The ball is increasing, and then later it decreases, meaning that it is defined by a concave down quadratic function.

The ball has a positive height until 5 seconds, hence one of the roots of the quadratic function is of 5, that is, when x = 5, y = 0.

The vertex of the quadratic function is given as follows:

(2,9).

Hence the vertex form definition of the quadratic function is given as follows:

y = a(x - 2)² + 9.

When x = 5, y = 0, hence the leading coefficient a is obtained as follows:

0 = a(5 - 2)² + 9

9a = -9

a = -1.

Hence the quadratic function is given as follows:

y = -(x - 2)² + 9.

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The vertex and range of y = |4x + 8| - 1 will be (-2, -1) ; -1 ≤ y < ∞ respectively. Using the concept of function -

According to the function, every value in the domain is associated to exactly one value in the range, and they have a predetermined domain and range. This specific sort of connection is what it is called.

Given that,

y = |4x +8| - 1

To get the vertex of y = |4x +8| - 1 as follows.

Where the absolute values are zeros are the vertex points of the absolute value function.

or, |4x +8| = 0

or, 4x +8= 0

or, 4x = -8

or, x = -2

Substitute the value into an original function,

y = |4(-2) + 8| - 1

y= 0 - 1

y = - 1

As a result, the vertex is at (-2, -1)

Remember that the domain is specified in the range of (-∞, ∞) while determining the range.

Given that |4x + 8| ≥ 0 , (absolute value is always 0 or positive)

The result of adding -1 to the inequality's two sides is

|4x + 8| - 1 ≥ - 1

But since |4x + 8| - 1 is identical to f(x) = y, we have y = f(x) - 1, which means that the range is specified for all values larger than -1.

So the range is -1 ≤ y < ∞

Thus,the vertex and range of y = |4x + 8| - 1 will be (-2, -1) ; -1 ≤ y < ∞ respectively.

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For an average intake of 2200 calories per day, the number of acres of land owned is 2.03

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

C(x) = 270 ln(x + 1) + 1900

Also from the question, we have

Average intake of calories = 2200 inches

This means that

C(x) = 2200

So, we have the following equation

270 ln(x + 1) + 1900 = 2200

Subtract 1900 from both sides

270 ln(x + 1) = 300

Divide 270 from both sides

ln(x + 1) = 1.11

Take the exponent of both sides

x + 1 = 3.03

So, we have

x = 2.03

Hence, the number of acres is 2.03

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Answer: 3,-3  

Step-by-step explanation:

|6x-1| = 17

For absolute value problems there is always two solutions. They will both be the same number, one positive and one negative.

6x-1 = 17

Add 1 to both sides.

6x-1 +1 = 17+1

6x=18

Now, divide by 6.

6x/6=18/6

x = 3

The two answers that would be correct are 3,-3.

Using the cross-multiplication method, we know that the actual height of the building is 91 m.

One might cross-multiply an equation between two fractions or rational expressions in mathematics, more specifically in elementary arithmetic and elementary algebra, to make the equation simpler or to find the value of a variable.

To cross-multiply two fractions, multiply the first fraction's numerator by the second denominator and the second fraction's numerator by the first fraction's denominator.

So, we know that:

The height of the building scale is 14 cm.

The scale is 2 cm and the actual height is 13 m.

Now, the actual height of the building will be:

14/x = 2/13

Use cross-multiplication method as follows:

14/x = 2/13

2x = 14 * 13

2x = 182

x = 182/2

x = 91 m

Therefore, using the cross-multiplication method, we know that the actual height of the building is 91 m.

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The F ratio is 1.2.

What is statistic?

The study of statistics focuses on gathering, organizing, organizing, analyzing, interpreting, and presenting data. It is customary to start with a statistical population or a statistical model to be researched when applying statistics to a scientific, industrial, or social problem.

30/25 = 1.2

In an ANOVA, this statistic is used in the F test to test the hypothesis that the group means are not equal to one another. The F ratio is calculated as follows:

Fobs=MSB/MSW

30/25 = 1.2

Where MSB is the mean square between the groups and MSW is the mean square within the groups.

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Therefore, by using mean and standard deviation the required probability is P( 38 ≤ x ≤ 90) = P(-1<x<3) = 0.83999

The mean (also known as the arithmetic mean, as opposed to the geometric mean) of a dataset is the sum of all values divided by the total number of values. It's the most commonly used measure of central tendency and is often referred to as the "average.

A standard deviation (or) is a measure of how dispersed the data is in relation to the mean. A low standard deviation indicates that data are clustered around the mean, whereas a high standard deviation indicates that data are more spread out.

Given:

mean = μ = 51

Standard deviation = σ = 13

as per the question, the probability that X is between 38 and 90 will be

P( 38 ≤ x ≤ 90)

By using the 0.68 - 0.95 - 0.997 rule

P( 38 ≤ x ≤ 90) = P((x-μ)/σ≤z≤(x-μ)/σ)

P( 38 ≤ x ≤ 90) =P((38-51)/13≤z≤(90-51)/13)

from z standard normal table  

P(x<-1) = 0.15866

P(x>3) = 0.0013499

Therefore, by using mean and standard deviation the required probability is

P( 38 ≤ x ≤ 90) = P(-1<x<3) = 0.83999

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The numbers, square root of 26 and twenty eight sixths can be compared using the known values of the square root of a number near to 26, such as 25, and inequality symbols, which indicates;

An inequality is a comparison between values that have different measures or magnitude, such that one values may be less than, <, greater than, >, or not equal to, ≠, the other value in the comparison.

The square root of 26 is √(26)

Twenty eight sixths is [tex]\dfrac{28}{6}[/tex]

26 is a larger number than 25, therefore;

√(26) > √(25) = 5

The square root of 26, is larger than 5; √(26) > 5

Expressing the fraction of twenty eight sixths as a proper fraction, indicates

[tex]\dfrac{28}{6} = 4\frac{4}{6} =4\frac{2}{3}[/tex]

Twenty eight sixths is four and two thirds, therefore;

Four and two thirds is less than 5, therefore;

[tex]4\frac{2}{3} < 5[/tex]

Substituting twenty eight sixths with four and two thirds, indicates;

[tex]\dfrac{28}{6} = 4\frac{2}{3} < \sqrt{26} > 5[/tex]

[tex]\dfrac{28}{6} = 4\frac{2}{3} < 5 < \sqrt{26}[/tex]

[tex]\dfrac{28}{6} < \sqrt{26}[/tex]

The correct option is therefore;

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Answer:

y = -x or y= -2x+3 will work

Answer:

[tex]\frac{1}{4}s^2[/tex]

Step-by-step explanation:

Use the formula for the area of a square and divide the result by 4.

In a two-way ANOVA, the two independent variables are known as factors. Two variables, or factors, are supposed to influence the dependent variable.

First, let's understand what is 2-way ANOVA using 2 factors.

To determine how the values of two categorical factors affect the mean of a quantitative variable, a two-way ANOVA is utilized. When you wish to determine how two independent factors interact with one another to effect a dependent variable, use a two-way ANOVA.

To evaluate if there is a statistically significant difference between the means of three or more independent groups that have been divided on two factors, a two-way ANOVA is utilized.

Given is that the first factor has 4 levels and the second factor has 9 levels.

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Answer:

Below

Step-by-step explanation:

from 800 to 1020 is  a  220/800 * 100% = 27.5% increase each year

P(t) = 800 ( 1 + .275)^t    

3300 = 800 ( 1+.275)^t

3300 / 800  = 1.275 ^t     LOG both sides

.615423 / LOG 1.275 = t   = 5.83 years

Answer:

3x + 12

Step-by-step explanation:

5x + 6(x - 2) - 8(x - 3) ← distribute parenthesis

= 5x + 6x - 12 - 8x + 24 ← collect like terms

==(5x + 6x - 8x) + (- 12 + 24)

= 3x + 12

Answer:

Part A:

Samuel: y=4x+18

Lewis: y=3x+30

Part B: 12 weeks

Part C: 66 rocks

Step-by-step explanation:

Part A:

X represents the number of weeks. With the current amounts, you add that to the equation.

Part B/C:

1. Have both equations equal to each other

4x+18 = 3x+30

2. Solve for x

x = 12

3. Substitute the given variable, x, into the equation y=4x+18

y=4(12)+18

4. Solve for y

y=66

x=12

y=66

the domain =  [1,∞) and range = [4 , ∞) for the given equation.

What is domain and range?

The set of all doable values that qualify as inputs to a operate is understood because the domain of the operate, or it may also be outlined because the entire set of values doable for freelance variables.

The set of all the outputs of a operate is thought because the vary of the operate or when subbing the domain, the whole set of all values attainable as outcomes of the variable.

Main body:

Given equation =

y=8x-4

as x is the number of days

and,y is the weight of the plant.

so x can not be negative

hence the domain of x = [1,∞)

As x is positive , y can not be negative as well.

Hence the domain =  [1,∞) and range = [4 , ∞)

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Answer:  1/12

Reason:

There's one side we want (rolling the "4") out of 12 sides total. Each side has a probability of 1/12 of occurring since each side is equally likely.

Answer:

A. The new maturity value of the loan would be $15,000

B. The maturity data of the loan would be June 20

Step-by-step explanation:

N/A

1. Based on the profitability index per bunch, the combination of flowers to purchase each day is 10 Lilies, 10 Pansies, and 5 Orchids, costing $1,000.  On any other day, the florist can purchase 25 Roses.

2. The profitability index per bunch is as follows:

The profitability index can also be described as the profit investment ratio or value investment ratio.

The profitability index shows the ratio of the investment's payoff and the investment cost.

The profitability index is computed as the net present value added to the initial cost and divided by the initial investment.

The profitability index is the quotient of the present value of future cash flows and the initial investment cost.

                       NPV         Cost              Max.     Total     Total

                per bunch   per bunch    Bunches   NPV     Costs

Roses               $1             $21               25          $25     $525

Lilies               $10           $29                10        $100     $290

Pansies           $4            $33                10         $40      $330

Orchids         $20           $76                  5       $100      $380

Total budget per day = $1,000

Profitability index = (NPV + Cost)/Cost

Roses = 1.0476 ($1 + $21)/$21

Lilies = 1.345 ($10 + $29)/$29

Pansies = 1.121 ($4 + $33)/$33

Orchids = 1.270 ($20 + $74)/$74

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For the given word problem, the cost to rent each chair is $5.25 and each table is $2.625

What is a word problem?

A word problem is a short passage presenting a "real-life" situation where an issue needs to be solved using math. The word problem for groups is a classic example, but there are numerous additional examples as well. This question is in many significant circumstances undecidable, which is a profound conclusion of computational theory.

Let C be the cost per chair

Let T be the cost per table

The total cost to rent 5 chairs and 6 tables is $53.

Then, 5C+6T=42 ................ (i)

The total cost to rent 3 chairs and 2 tables is $21.

Then, 3C+2T=21 ................. (ii)

Now, by solving both equations, multiply (ii) by 3 and subtract (i), we get

9C - 5C = 63 - 42

or, 4C = 21

or, C = $5.25

Then, T = (21-3*5.25)/2 = $2.625

Hence, the cost to rent each chair is $5.25 and each table is $2.625

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2,985/- need to deposit in an account.

To calculate the interest we use one type of formula which is

A=P(1+r/n)^(t n)------------------(1)

In the above formula:

A = Accrued amount.

P = Principal amount.

r = Annual nominal interest rate as a decimal.

n = number of compounding periods per unit of time.

t = time in decimal years.

I = Interest amount.

ln = natural logarithm.

Given That

A=4000 t=15 r=2% n=2

changing the r in % into decimal we get 0.02.

Now we substitute the values in the above Formula, and we get

A=P(1+r/n)^(t n)

4000=P(1+.02/2)^(15*2)

4000=P(1.01)^(30)

4000=P(1.34)

4000/1.34=P

2,985=P

Principal = $2,985

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Solution:

Given:

(-28yx+ 31y²[tex]x^{4}[/tex])/(-4y²[tex]x^{4}[/tex])

[tex]\frac{-28yx}{-4y^{2}x^{4} }[/tex] + [tex]\frac{31y^{2}x^{4}}{-4y^{2} x^{4} }[/tex]

[tex]\frac{7}{x^{3} y}[/tex] + [tex]\frac{31}{4}[/tex]

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After dividing the given equation, the answer in the simplest form is [tex]\frac{7}{x^{3} y}- \frac{31}{4}[/tex]

What do you mean by simplest form?

A fraction with a denominator and numerator that are both relatively prime has the simplest form. It indicates that the fraction's numerator, which is the portion at the top of the fraction, and denominator, which is the portion at the bottom, do not share any factors other than one.

An amount that represents a fraction of a whole is called a fraction. A fraction's reduced form is another name for its simplest form. A fraction with a common factor of one, such as 34, has the simplest form. Although 2/4 can be further simplified and written as 12, it is not the most basic form. The fractions 12 and 2/4 are equivalent in this case, we can also say.

Given:

⇒(-28yx+ 31y²[tex]x^{4}[/tex])/(-4y²[tex]x^{4}[/tex])

⇒ [tex]\frac{-28yx}{-4x^{4}y^{2}}[/tex] + [tex]\frac{31y^{2}x^{4}}{-4y^{2} x^{4} }[/tex]

⇒     [tex]\frac{7} {x^{3} y}[/tex] - [tex]\frac{31}{4}[/tex]

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The dimensions of the poster with the smallest area are; 27.75 cm x 27.75 cm

Let "x" and "y" denote the length and the width of the poster.

We are told that the margin of a poster are 4 cm and the side margins are 4 cm.

The length of the print = x - 2(4) = x - 8

The width of the print = y - 2(4) = y - 8

The area of the print = length * width = (x - 8)(y - 8)

The area of the print is given as 390 square inches. Thus;

(x - 8)(y - 8) = 390

Making y the subject gives;

y = (390/(x - 8)) + 8

The area of the poster is; A = xy

Thus;

A = x[(390/(x - 8)) + 8]

A =  (390x/(x - 8)) + 8x

Minimizing the area gives;

A' = 8 - (3120/(x - 8)²)

Equating to zero gives;

8 - (3120/(x - 8)²) = 0

8(x - 8)² = 3120

(x - 8)² = 3120/8

(x - 8)² = 390

x = 27.75 cm

y = (390/(27.75 - 8)) + 8

y = 27.75 cm

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the addition of the matrix 3A + 2B is [tex]\left[\begin{array}{ccc}29&27\\9&16\\\end{array}\right][/tex]

What is matrix?

The plural version of the word matrix is a matrix, which refers to the arrangements of numbers, variables, symbols, or phrases in a rectangular table with varying numbers of rows and columns. These arrays have a rectangular shape, and several operations like addition, multiplication, and transposition are specified for them. The components of the matrix are referred to as its entries or numbers. Vertical and horizontal entries in matrices are referred to as columns and rows, respectively. A matrix with m rows and n columns will contain m n entries. The uppercase letter 'A', which here stands for "matrix," Aij.

A = [tex]\left[\begin{array}{ccc}9&5\\1&6\\\end{array}\right][/tex],  B =[tex]\left[\begin{array}{ccc}1&6\\3&-1\\\end{array}\right][/tex]

3A = [tex]\left[\begin{array}{ccc}27&15\\3&18\\\end{array}\right][/tex]

2B = [tex]\left[\begin{array}{ccc}2&12\\6&-2\\\end{array}\right][/tex]

3A + 2B = [tex]\left[\begin{array}{ccc}29&27\\9&16\\\end{array}\right][/tex]

Hence, the addition of the matrix 3A + 2B is [tex]\left[\begin{array}{ccc}29&27\\9&16\\\end{array}\right][/tex]

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Option d is correct

y=β0+β1x1+β2x2+β3x3+........+βkxk+ε

Where y is the "independent" variable and 0 to k are the "regression" coefficients. In a "multiple linear regression" model, the "independent" variables are x1, x2, x3,..., xk, and the "residual" or "error" term is.

The "residual" for the regression model is calculated using the following formula.

Residual=y-ŷ

Where y is the "independent variable's" "actual" value and is the "independent variable's" "predicted" value.

The "difference" between the "actual" value of the "dependent" variables and the corresponding "predicted" value when employing the "multiple regression" model is referred to as the "residual" in the "residual" formula.

A statistical technique for evaluating the relevance of a "multiple regression" model is the "F test." Linear models are A linear model is a statistic that explains the “relationship” between “response” and “predictor” variables. Using the “multiple regression” model, the “predicted” value of the “response” variable is denoted by ŷ.

hence option 4 is correct

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I understand you mean:

What is a residual for a multiple regression model and the data that is used to create it? Select one:

1.A statistic that is used to evaluate the significance of the multiple regression model

2.A statistic that explains the relationship between response and predictor variables

3.The predicted value of the response variable using the multiple regression model

4.The difference between the actual value of the response variable and the corresponding predicted value (regression error) using the multiple regression model

Answer:

Step-by-step explanation:

if you send 12 messages a day.

and your sister sends and unkown number of texts per day but together you both send 26 number of total texts.

Then, suppose your sister sends X number of texts.

Then

X + 12 = 26

X = 26 - 12

X = 14

Ginny charges $80 for an initial fee, and Bob charges $60 for an initial fee.  Bob charges less for an initial fee.

What is a function?

A relation between a collection of inputs and outputs is known as a function. A function is, to put it simply, a relationship between inputs in which each input is connected to precisely one output. Each function has a range, codomain, and domain.

f(x)=60x+80 is function that represents the charge to Ginny's customers, where x represents the number of hours of labor.

To find initial fee, put x = 0 in the given function.

Put x = 0 in f(x) = 60x + 80:

f(0) = (60×0) + 80

f(0) = 80

The initial fee is $80.

From the table,

When x = 0, cost = $ 60.

The initial fee is $60.

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For both cases time needs to double the invested money is 7.7016 years

It is a mathematical expression define that interest can be compounded at any time even within any smallest period of time.

When annual interest rate is given in a data along with invested money, we can calculate the years required to get doubled money by using the formula A= Pe∧(rt)

A is the double money of the investment

P is the investment

r is the annual interest rate

t time in years

as per question A=2P, r=0.09

2P =Pe∧(0.09t)

2= e∧(0.09t)

㏑2=0.09t

t= 7.7016 years

hence, it takes 7.7016 years to get double money

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