At the beginning of the school year, 396 students attended the first football game. Attendance at the next was 505 students. Estimate the percent of increase.

Answer:

x=13

Step-by-step explanation:

Switch sides:

2x−9=17

Add 9 to both sides:

2x−9+9=17+9

Simplify

2x=26

Divide both sides by 2:

2x/2 =26/2

Simplify to get the result.

x=13

Answer:

x=13

Step-by-step explanation:

\(\sf 2x-9=17\)

\(\sf 2x-9+9=17+9\)

\(\sf 2x=26\)

\(\sf \cfrac{2x}{2}=\cfrac{26}{2}\)

\(\sf x=13\)

Answer:

The value for X is 25

Step-by-step explanation:

I hope this helps you out!

ANSWER :

to find the measure of A and C

angle A + angle B = 180 (linear pair)

3x - 20 + 2x = 180

5x - 20 = 180

5x = 180 + 20

5x = 200

x = 200 ÷ 5

x = 40

angle A = (3x - 20) = 3 × 40 - 20 = 120 - 20

= 100

angle C = (2x -15) = 2 × 40 - 15 = 80 - 15

= 65

The outcome of binary fission if the septum was not able to form would be that the cell would not be able to divide into two daughter cells.

Binary fission is the process by which a single-celled organism divides into two identical daughter cells.

The septum is a structure that forms during binary fission to separate the two daughter cells.

Without the septum, the cell would not be able to complete the process of binary fission and would not be able to produce two daughter cells.

This could result in the cell not being able to reproduce and could potentially lead to the death of the cell.

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Answer:

9-pack

Step-by-step explanation:

Price per roll for 4-pack = Pack price / Number of rolls in pack

= 2.25 / 4

= £0.56 (rounded off to nearest cent)

Price per roll for 9-pack = Pack price / Number of rolls in pack

= 4.50 / 9

= £0.50

From here, we can see the 9-pack is of better value.

Two algebraic expressions that have the same value for all values of their variable(s) are called Equivalent expression.

Algebraic expression is an expression which is made up of variables and constants along with algebraic operation (addition, subtraction etc. )

Variables are values that can change over time.

Constant are the quantities that have fixed numerical value.

Two algebraic expression are equivalent expression if they have the same value for all values of their variable(s).

Equivalent algebraic expression are those expression which on simplification give the same resulting expression.

or

Two expression are said to be equivalent if their values obtained by substituting the values of the variable are same

For example:

Let,

\(f(x)=3(x+2)\\g(x)=3x+6\)

Substituting the \(x=4\) in the both equation..

\(f(x)=3(x+2)=3(4+2)=3(6)=3*6=18\)

\(g(x)=3x+6=3*4+6=12+6=18\)

\(3(x+2)\) and \(3x+6\) are the equivalent expression because the value of both equation remain same for any value of \(x\)

Two algebraic expressions that have the same value for all values of their variable(s) are called Equivalent expression.

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Answer:

v=5  

Step-by-step explanation:

are u asking to solve for v

well if so

9/3=3

v+3=8

subtract 3 both sides

v=5  

Answer:

V = 15

Step-by-step explanation:

v + 9 / 3 = 8

3(v+9) / 3 = 8 x 3

v + 9 = 24

v + 9 - 9 = 24 - 9

v = 15

Total 4 dummy variables would be needed to include this categorical variable in a regression model.

A regression analysis serves as the foundation for many types of forecasting and determining the effects on target variables. When you hear about studies in the news about fuel efficiency, pollution causes, or the effects of screen time on learning, a regression model is frequently used to back up their claims.

A dummy variable (also known as an indicator variable or simply dummy) in regression analysis is one that takes the values 0 or 1 to indicate the absence or presence of some classification impact that may be predicted to shift the result.

Total 4 dummy variables would be needed to include this categorical variable in a regression model.

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The bottom of the ladder is at 8 feet from the wall.

The position of the ladder will form a right angled triangle with the wall. The perpendicular is 15 feet. Let the distance between ladder and wall be x. Thus, the length of the ladder will be 2x + 1. Forming a equation according to Pythagoras theorem.

(2x + 1)² = x² + 15²

Expanding the equation

4x² + 1 + 4x = x² + 225

Rewriting the equation

4x² - x² + 4x = 225 - 1

Performing subtraction

3x² + 4x = 224

3x² + 4x - 224 = 0

Factorizing the quadratic equation, we get -

x = -9.3 and 8

The distance can not be negative. Hence, the value of x is 8.

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All of the statements are True when the expressions are evaluated using appropriate illustrations.

STATEMENT: 1

Real numbers have both rational and irrational values and can thus be manipulated using arithmetic operators like addition.

As a result, the statement is correct.

STATEMENT: 2

Real numbers can be expressed or raised to the power of another number in a variety of ways, including being squared.

STATEMENT: 3

All positive integers have a squared value that is greater than or equal to the value.

STATEMENT: 4

A sum's absolute value is always less than or equal to the sum of two numbers' absolute values.

Therefore, all of the statements are True when the expressions are evaluated using appropriate illustrations.

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The complete question is given below:
Rewrite the following statements less formally, without using variables. Determine, as best as you can, whether the statements are true or false.

a. There are real numbers u and v with the property that u+v b. There is a real number x such that x2 c. For all positive integers n,n2≥n.

d. For all real numbers a and b,|a+b|≤|a|+|b|

A Tim fraction of answered 1730 questions correctly.

To determine the number of questions Tim answered correctly, to find the total number of incorrect answers and subtract it from the total number of questions.

Given:

Number of incorrect answers = 101010

Points for each correct answer = 444

Total score = 767676

calculate the number of questions Tim answered correctly:

Total score = Points for each correct answer ×Number of correct answers

767676 = 444 × Number of correct answers

Number of correct answers = 767676 / 444

Number of correct answers = 1730.43

Since Tim cannot have a fraction of an answer, round down to the nearest whole number:

Number of correct answers =1730

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Hello! The l l  notation indicates "absolute value"

Keep in mind that the absolute value is always positive. The absolute value is the distance from zero. The distance is never negative.

So

l15-2l=l13l=13

I hope this helps you!

\(GraceRosalia :) :) :)\)

Answer:

y = -2/3x - 2

Step-by-step explanation:

Parallel lines have the same slope so slope = -2/3

Given (-3,0)

Slope-intercept: y = mx + b

0 = -2/3(-3) + b

0 = 2 + b

b = -2

then y = -2/3x - 2

As per the given density function, the value of c is 0.

Density function:

Density function is an integral of the density of the variable density over a given range.

Given,

A skilled worked requires at least 10 minutes, and no more than 20 minutes, to complete a certain task. The completion time X is a continuous random variable with density function f(x) = c/x² for 10 < x < 20 and f(x) = 0 for all other values of x.

Here we need to find the value of c.

While we looking into the given question,

Least time = 10

Maximum time = 20

Density function = f(x) = c/x²

In order to find the value of c, we have to equate the function with 0, then we get,

=> c/x² = 0

=> c = 0

Therefore, the value of c is 0.

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Answer:

$0.21 per year

Step-by-step explanation:

$0.21 times 5 years equals $1.05

So its $0.21

The annual rate of change is $0.21 per year

Cost of lunch in 2004 = $2.20

Cost of lunch in 2009 = $3.25

Difference in cost = $3.25 - $2.20 = $1.05

Number of years = 2009 - 2004 = 5 years

The annual rate of change will be:

= Difference in cost / Years taken

= $1.05/5

= $0.21 per year.

Therefore, the annual rate of change is $0.21 per year.

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Answer:

51

Step-by-step explanation:

1. Approach

One is given the polygon, (ABCDE); the problem asks one to find the area of this polygon. The most logical step to take is to divide this polygon into easier parts, find the area of each part, and then add up the area to find the total area of the figure.

One way to divide this figure up is to draw the line (AC). This will create the triangle (ABC) and rectangle (ACDE).

2. Find the area of (ABC)

The formula to find the area of a triangle is the following:

\(A=\frac{b*h}{2}\)

Where (b) is the base of the triangle, and (h) is the height. The base of the triangle (ABC) is (AC), which has a measure of (6) units. The height of the triangle is the distance from the base of the triangle to the vertex opposite the base. This measurement is (3) units. Substitute these values into the formula and solve for the area:

\(A=\frac{b*h}{2}\)

Substitute,

\(A=\frac{6*3}{2}\\\\A=\frac{18}{2}\\\\A=9\)

3. Find the area of (ACDE)

The formula to find the area of a rectangle is as follows:

\(A=b*h\)

The base of the rectangle is the segment (AE), with a measure of (7) units. The height of the rectangle is the segment (AC) with a measurement of (6) units. Substitute these values into the formula and solve for the area:

\(A=7*6\\\\A=42\)

4. Find the area of the total figure

To find the area of the total figure, add up the area of the triangle, and the area of the rectangle:

\(9+42= 51\)

In general, it is a good idea to experiment with different scales and choose the one that best represents the data on bar graph while remaining easy to read and interpret.

What is a bar diagram?

Bar graphs or bar charts are visual depictions of groups of data that are made up of vertical or horizontal rectangular bars with lengths that are equal to the data's measure.

The choice of scale for a bar graph depends on the range of values that a person wants to display and the level of detail you want to show.

When selecting a scale for a bar graph, one should consider the following -

The range of values: Choose a scale that includes all of the values you want to display.

If the range is wide, you may want to use a logarithmic scale to make the differences between values more visible.

The number of bars: If there are many bars, one may want to use a smaller scale to avoid overcrowding the graph.

The level of detail: If a person wants to show small differences between values, you may want to use a smaller scale.

The purpose of the graph: If the graph is intended to highlight trends, a person may want to use a larger scale to emphasize differences.

Therefore, the choice depends on purpose of the bar graph.

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Answer:

C

Step-by-step explanation:

Verify, give me brainliest, and rate, and say thank you

Answer:

log ( \(\frac{x^2-2x(x-1)}{(x-1)^2}\) )

Step-by-step explanation:

to find (f ◦ g)(x) , substitute x = g(x) into f(x)

= log ( ( \(\frac{x}{(x-1)^}\) )² - 2(\(\frac{x}{x-1}\) ) )

= log ( \(\frac{x^2}{(x-1)^2}\) - \(\frac{2x}{x-1}\) ) ← express as a single fraction

= log ( \(\frac{x^2-2x(x-1)}{(x-1)^2}\) )

After the 6-for-1 stock split, the stock price will be $16.41 per share, assuming no market imperfections or tax effects.

A stock split is a process in which a company increases the number of shares outstanding while proportionally reducing the price per share. In this case, the company plans a 6-for-1 stock split, which means that for every existing share, shareholders will receive six new shares.

To determine the post-split stock price, we divide the original stock price by the split ratio. The original stock price is $98.48, and the split ratio is 6-for-1. Therefore, we calculate:

$98.48 / 6 = $16.41

Hence, after the 6-for-1 stock split, the stock price will be $16.41 per share. This means that each shareholder will now hold six times more shares, but the value of their investment remains the same.

It is important to note that in practice, market imperfections, investor sentiment, and other factors can influence the stock price after a split. However, assuming no market imperfections or tax effects, the calculated value of $16.41 represents the theoretical post-split stock price.

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A polynomial is described as a mathematical expression that contains one or more algebraic in which a constant is multiplied by one or more variables that give rise to a non-negative integral power such as ax² + bx + c.

By considering a polynomial with two terms. Methods and polynomials can be used with these methods.

        2x³ - 5x² = x²(2x - 5)

         x³ - 27  then this be factored as

         x³ - 27 = (x - 3)(x² + 3x + 3²).

         x³ + 27 = (x + 3)(x² - 3x + 3²).

           x² - 16  =  (x + 4)(x - 4)

where perfect-square trinomial and factoring by grouping require more than two terms.

Therefore, the polynomial that has two terms in the factoring methods the Common Factor, the Difference of cubes, the sum of cubes, and the difference of squares can only be considered.

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The ratio of false positives to true positives is 8 over 54.

According to the Question

Results of a strep throat test performed on a sample of 400 ill people are displayed in the table's data. People who have the flu and those who don't are separated into two categories. The patients are then separated into groups based on whether they tested positive or negative for strep throat within each of these categories.

We must first define what a true positive and a false positive are in order to calculate the ratio of false positives to true positives. A patient who tests positive for strep throat but does not actually have the illness is said to have a false positive. The 8% of patients in this instance who tested positive for strep throat but did not have the flu would fall under that category. A patient who tests positive for strep throat and truly has the illness is said to have a true positive. That would be the 54% of patients who tested positive for both the flu and strep throat in this instance.

We divide the percentage of false positives (8%) by the percentage of true positives (54%), which gives us the ratio of false positives to true positives.

As a result, the ratio becomes 8% / 54%, or 8/54.

It's critical to remember that this ratio is dependent on the sample and test performed and may not be the same for different populations or testing methodologies.

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Answer:

sure ill help

Step-by-step explanation:

Answer:

a+b=f

Step-by-step explanation:

180-f= c

180-(a+b)= c

SO

a+b= f

Answer:

x-intercept (88/7,0), y-intercept (0,11)

Answers:

x intercept = 88/7

y intercept = 11

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

Explanation:

To find the y intercept, we replace f(x) with 0 and solve for x.

f(x) = (-7/8)x + 11

0 = (-7/8)x + 11

(7/8)x = 11

7x = 8*11

7x = 88

x = 88/7 is the x intercept

It is located at (x,y) = (88/7, 0)

The x intercept always occurs when y = 0.

88/7 = 12.5714 approximately, but I would stick to the fraction form since it's most exact.

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

The y intercept always occurs when x = 0.

f(x) = (-7/8)x + 11

f(0) = (-7/8)*0 + 11

f(0) = 0 + 11

f(0) = 11 is the y intercept

It is located at (0,11)

The y intercept is much easier to find since we just need to read off the last value of the function (aka the constant value).

Answer:

4x- 2

Step-by-step explanation:

if you're asked perimeter simply add the length of sides of the finger

p= (x+ 3)+ (2x- 5) + (x)

p= 4x- 2

An algebraic expression for each verbal expression, and simplified indication of the properties are

1. 10t² + 2

2. d² + 2r

Arithmetic operations including subtraction, addition, division, multiplication, and exponentiation are used to build any algebraic expression from a combination of variables and integers. The word can be either a variable, a number, or the result of multiplying a variable by a number and adding an exponent.

Mathematical formulas like 3x + 4 are examples of algebraic expressions. They are distinct from algebraic equations because they lack the equals sign (=). The mathematics curriculum and mathematics in general place a lot of emphasis on algebraic expressions.

1. 9t² + 2 + t²

= 10t² + 2

2. 3d² + r - 2d² + r

= 3d²- 2d² + r + r

= d² + 2r

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Answer:

64w^2

Step-by-step explanation:

Because 8w is in parentheses, you must apply the exponent to both the 8 and w.

So, it becomes (8*8)(x*x) which equals (64)(x^2).

Which then gives you your final answer, 64x^2.

The second graph, first quadrant of coordinate plane titled Marie's round of golf could represent Marie's situation.

A coordinate plane is a two-dimensional plane made up of the x-axis and y-axis, two perpendicular number lines. Using the coordinates (x, y), which stand for the horizontal and vertical distances from the origin (the point where the x- and y-axes cross), it is possible to find locations in a two-dimensional space. The first quadrant, second quadrant, third quadrant, and fourth quadrant of the coordinate plane are designated in order anticlockwise.

Given that, she stayed at the first hole for the first 30 minutes. Then she drove away from the first hole for the next 2 hours.

The situation is best described by the graph 2, first quadrant of coordinate plane titled Marie's round of golf with the x axis labeled time in hours and the y axis labeled distance in miles, with a line segment from 0 comma 0 to one half comma 0, a line segment from one half comma 0 to 2 and a half comma 5, and a line segment from 2 and a half comma 5 to 4 and a half comma 0.

Hence, the second graph could represent Marie's situation.

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Answer:

the answer is the graph shone below

i took the test and  IT WAS RIGHT  

Step-by-step explanation:

have a good day!

To determine the unit rate of pages, that is, the number of pages Leo reads in one hour you can use cross multiplication

1/3h _____14 pages

1h______x pages

Leo reads 42pages/hour