How do functions and slopes work i dont understand anything work?

Answer:

It depends on the demand for them.

Step-by-step explanation:

If the demand or desire for them goes up then the tax goes up. Just like Clorox in stores it is $14 dollars now when it used to be $4. And 3 packages of Clorox wipes is about $100. There is a big demand for sanitation products now!

Answer: yes

Step-by-step explanation:

x=5

Answer: Yes, 5 is a substitute for x.

Step-by-step explanation:

Yes, 5 is a substitute for x because, 4x or, 4x5 is 20. Knowing the PEMDAS method, that is what we would use. So since multiplication is first, we use the 4x first.

The other side: 8x or, 8x5, is 40. 40-13=27. So yes, 5 is a substitute for x.

Answer:

Jawaharlal Nehru was the first

Answer:

Jawaharlal Nehru is the first prime minister of India

For a result to be considered significant, the chances of its occurring as a result of random error are often less than 5 percent.

A coincidental discrepancy between the observed and true values of anything is known as a random error (e.g., a researcher misreading a weighing scale records an incorrect measurement).

It's not always a mistake when there is random error; rather, it happens when measurements are made. Even when you measure the same item repeatedly, there will always be some variation in your results because to changes in the environment, the instrument, or your own perceptions.

Your measurements are equally likely to be greater or lower than the genuine values due to random error, which has unexpected effects.

According to the given data,

For a result to be considered significant, the chances of its occurring as a result of random error are often less than 5 percent.

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Answer:

(1 /a+ 1/b) (a+b-c)+(1/b+1/c) (b+c-a) + (1/c+1/a)(c+a-b)

plz solve this question

Step-by-step explanation:

3 is the ans

Answer:

X and y are the variables in the expression

Step-by-step explanation:

Variables are letters that represent an unknown value

For example, x + 4 = 7

In this equation, x is the variable because it is letter representing the unknown value

⇒ In 7x+ 4y+1 , x and y are the variables in the expression

Answer:

The figure is made up of a rectangle and two triangles. The dimensions of the rectangle are 10 cm by 5 cm, so the area of the rectangle is 10 * 5 = 50 cm^2.

Each of the two triangles has a base of 4 cm and a height of 3 cm, so the area of each triangle is (1/2) * 4 * 3 = 6 cm^2. The total area of the two triangles is 2 * 6 = 12 cm^2.

The total area of the figure is the sum of the areas of the rectangle and the triangles: 50 + 12 = 62 cm^2.

Step-by-step explanation:

Answer: C

Explanation:

The range of a function is the set of all values of y that satisfy the function. On the graph, it is between the lowest value of y at the bottom and the highest value of y at the top. Looking at the graph, it extends to negative infinity at the bottom and the maximum value at the top y = 4

Thus, in interval notation,

Range = (- ∞, 4]

The triangle with sides of length a, a, and b that maximizes the squared area is equilateral, with side length a = (6/3) - (6/3)/2 = 1.5.

Step-by-step explanation:

To show that of all the triangles with sides of length a, a, and b and a perimeter of 6, the one which maximizes the squared area is equilateral, we can use the following steps:

Write the formula for the area of a triangle in terms of its sides. Let the sides of the triangle be a, a, and b, and let s be the semiperimeter of the triangle (i.e. half of the perimeter):

Area = sqrt(s(s-a)(s-a)(s-b))

Express the semiperimeter s in terms of a and b, using the fact that the perimeter of the triangle is 6:

s = (2a + b)/2 = a + b/2

Substitute this expression for s into the formula for the area of the triangle:

Area = sqrt((a+b/2)(b/2)(b/2)(a-b/2))

Simplify the expression for the area by expanding the square and collecting like terms:

Area = (1/4) * sqrt(4a^2b^2 - (a^2 + b^2 - 4ab)^2)

To maximize the squared area, we can maximize the area itself, since the area is always non-negative. Therefore, we need to find the values of a and b that maximize the expression for Area.

To do this, we can take the derivative of the expression for Area with respect to a and b, set the derivatives equal to zero, and solve for a and b. Alternatively, we can use a geometric argument to show that the maximum occurs when a = b.

To use the geometric argument, note that the expression inside the square root is a quadratic function in a^2, with a negative coefficient of a^2. Therefore, the expression is maximized when a^2 is minimized. This occurs when a = b, since in this case the expression inside the square root simplifies to 3a^2/4.

Therefore, the triangle with sides of length a, a, and b that maximizes the squared area is equilateral, with side length a = (6/3) - (6/3)/2 = 1.5.

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Answer: d

|4x + 1| ≤ 5

⇒ - 5 ≤ 4x + 1 ≤ 5

⇔ -6 ≤ 4x ≤ 4

⇔ -1.5 ≤ x ≤ 1

⇒ x ∈ [-1.5; 1]

Step-by-step explanation:

A continuous time system can behave roughly throughout a variety of periods using a discretized state matrix. A continuous time condition matrix should be used in its place if these requirements are not satisfied since a discretized state matrix might not adequately depict the performance of a continuous time system.

A continuous time condition matrix is a matrix that is used to indicate the state of a system at any moment, as opposed to a discretized state matrix, which is used to describe the status of a system at discrete time intervals. Under the following conditions, a discrete-time state matrix is identical to a time series state matrix:

The system may be regarded as being in stable equilibrium at each time point since the time gaps between every discretization are short enough. This indicates that the behavior of the system does not drastically vary from one-time point to the next.

Over the time frames between each discretization, a linear model accurately predicts the behavior of the system. This means that the behavior of the system can be precisely predicted by a linear equation of the type "Ax = Bu," where A as well as B are matrices and x as well as u are vectors that, respectively, represent the system's state and input.

Over the intervals between each discretization, the system's input remains constant. This indicates that the system's input does not drastically vary from one-time point to the next.

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Answer: 3

Step-by-step explanation:4 X 3 is 12

For all the given reactions there is a type name for it they are,

1. A + B → AB

2. AB → A + B

3. Hydrocarbon + O₂ → CO₂ + H₂O

4. AB + CD → AD + CB

All the above-mentioned chemical reactions are of the following types

1 → Synthesis

2 → Decomposition

3 → Combustion

4 → Replacement

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The cost to get 3 small greeting cards and 2 large greeting cards is $15.75 and the it cost to get xx small greeting cards and yy large greeting cards is equals to $1.65(xx) + $5.40(yy)

To find out the cost of three small greeting card we need to multiply the cost of one small greeting card with 3 which equals to $4.95

To find out the cost of two large greeting card we need to multiply the cost of large greeting card with two which equals to $10.80

To find out the cost to get 3 small greeting cards and 2 large greeting cards we need to add $4.95 and $10.80 which equals to $15.75

As explained above to find the cost to get xx small greeting cards and yy large greeting cards we need to multiply with their respective unit price which equals to $1.65(xx) + $5.40(yy)

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If the expression is  10x2-18x-4.:

a. The greatest common factor of the expression 10x^2 - 18x - 4 is 2.

b. The expression 10x^2 - 18x - 4 can be factored completely as: 10x^2 - 18x - 4 = 2(5x + 1)(x - 2)

C.  the factoring from Part B is correct.

Part A: To find the greatest common factor of the expression 10x^2 - 18x - 4, we need to find the largest factor that divides all three terms of the expression evenly. One way to do this is to factor out the greatest common factor using the distributive property.

10x^2 - 18x - 4 = 2(5x^2 - 9x - 2)

Now, we need to factor the expression inside the parentheses further to see if we can find any additional common factors.

5x^2 - 9x - 2 can be factored using the quadratic formula, but it does not have any common factors other than 1.

Therefore, the greatest common factor of the expression 10x^2 - 18x - 4 is 2.

Part B: To factor the expression completely, we can start by using the greatest common factor of 2.

10x^2 - 18x - 4 = 2(5x^2 - 9x - 2)

Next, we need to factor the expression 5x^2 - 9x - 2 further. We can use the factoring method of product and sum:

The product of 5 and -2 is -10, and the sum of the factors that multiply to -10 and add to -9 is -10 and 1.

So, we can write 5x^2 - 9x - 2 as:

5x^2 - 10x + x - 2

= 5x(x - 2) + 1(x - 2)

= (5x + 1)(x - 2)

Therefore, the expression 10x^2 - 18x - 4 can be factored completely as:

10x^2 - 18x - 4 = 2(5x + 1)(x - 2)

Part C: To check our factoring from Part B, we can multiply the factors using the distributive property and simplify:

2(5x + 1)(x - 2) = 2(5x)(x) + 2(5x)(-2) + 2(1)(x) + 2(1)(-2)

= 10x^2 - 20x + 2x - 4

= 10x^2 - 18x - 4

Therefore, the factoring from Part B is correct.

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The equations x° + 65° = 180°, x° = z° and y° = 65° are true for the values of x, y and z. The solution has been obtained by using angles and line.

What are angles and line?

Straight lines with little depth or width are present. There are many different types of lines, including perpendicular, intersecting, transversal, etc. A figure called an angle is one in which two rays originate from the same point.

We are given that 2 lines intersect to form 4 angles which are 65°, x°, y°, z°.

1. x° + 65° = 180°

We know that angles on a straight line form a linear pair i.e. their sum is 180°. So, this statement is true.

2. x° = z°

We know that vertically opposite angles are equal. So, x° will be equal to z°. Thus, this statement is true.

3. y° = 65°

We know that vertically opposite angles are equal. So, y will be equal to 65°. Thus, this statement is true.

4. x° = 65°

This statement is false because these are the angles on a straight line which must add up to 180°.

5. x° + y° + z° = 115°

We know that angles in a circle add upto 360°. We know one angle as 65°. So, the remaining angles should add upto 295°. Thus, the statement is false.

Hence, the equations x° + 65° = 180°, x° = z° and y° = 65° are true for the values of x, y and z.

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Question: Which equations are true for the values of x, y, and z? Select three options.

2 lines intersect to form 4 angles as shown in the figure. Clockwise, from top, the angles are: 65 degrees, x, y, z.

x degrees + 65 degrees = 180 degrees

x degrees = z degrees

y degrees = 65 degrees

x degrees = 65 degrees

x degrees + y degrees + z degrees = 115 degrees

\( \fbox{(2,5)}\)

Hello, substitute all the given coordinates & see if RHS match with LHS

given equation,

y = 4x-3

First coordinate,

(x,y) = (2,5)

5= 4×2-3

5=5

Hence, first solution satisfies the given equation,

let's solve for rest other cordinates,

second coordinate,

(x,y) = (5,5)

5= 4×5-3

5 ≠ 17

does not satisfy,

third coordinate,

(x,y) = (4,5)

5= 4×4-3

5 ≠ 13

does not satisfy,

fourth coordinate,

(x,y) = (4,5)

5 = 4×3-3

5 ≠ 9

does not satisfy.

Hence the correct answer is (2,5)

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The volume of the composite figure with a pentagon as its base is equal to 385.5 cubic inches.

Volume of prism = area of base × height

area of pentagon base = 1/2 × apothem × perimeter

apothem = 5in/[2×tan(180/5)] = 3.4 in

perimeter = 5 × 5in = 25 in

area of pentagon base = 1/2 × 3.4 in × 25 in = 42.5 in²

Volume of the top triangular prism = 42.5in² × 3in = 127.5 in³

Volume of pentagon base prism = 42.5in² × 6in = 255 in³

Volume of the composite figure = 127.5 in³ + 255 in³

Volume of the composite figure = 382.5 in³

Therefore, the volume of the composite figure with a pentagon as its base is equal to 385.5 cubic inches.

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Answer:

$12

Step-by-step explanation:

Juan borrowed $10

His mother loaned him $3 more

= $10 + $3

= $13

He sold $25 worth of lemonade in the first week

If the pays his mother then the amount that will be left with him can be calculated as follows

= $25 - $13

= $12

Answer:

$12

Step-by-step explanation:

got it on edge

The function of money is this example is a measure of value.

Money is any currency that is accepted by the public as a means of payment. When money is used as a measure of value, it means that people use it to measure the value they attach to a particular goods or service. The worth the homeowner attaches to cutting his lawn and the worth that the restaurant attaches to the diner are both $10.

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Answer:

D

Step-by-step explanation:

transfer of value

The Total Cost of Ownership (TCO) for this vehicle is approximately $91,872.12.

To calculate the Total Cost of Ownership (TCO) for the vehicle, we need to consider various factors such as the purchase price, fuel costs, maintenance costs, and the expected lifespan of the vehicle. Let's break down the calculations:

1. Fuel costs:

Given that the vehicle averages 33 miles per gallon and you expect to drive 15,904 miles per year, we can calculate the annual fuel consumption:

Annual Fuel Consumption = Total Miles Driven / MPG

Annual Fuel Consumption = 15,904 / 33 ≈ 481.94 gallons

To find the annual fuel costs, we multiply the fuel consumption by the cost per gallon:

Annual Fuel Costs = Annual Fuel Consumption * Fuel Cost per Gallon

Annual Fuel Costs = 481.94 * $3.48 ≈ $1,678.32

2. Maintenance costs:

The maintenance cost is given as $0.34 per mile. Multiply the maintenance cost per mile by the total miles driven per year to get the annual maintenance costs:

Annual Maintenance Costs = Maintenance Cost per Mile * Total Miles Driven

Annual Maintenance Costs = $0.34 * 15,904 ≈ $5,407.36

3. Depreciation:

The depreciation cost is not explicitly given in the provided information. We'll assume it is included in the purchase price and spread it over the expected lifespan of the vehicle.

4. Total Cost of Ownership:

The TCO is the sum of the purchase price, annual fuel costs, and annual maintenance costs, spread over the expected lifespan of the vehicle:

TCO = Purchase Price + (Annual Fuel Costs + Annual Maintenance Costs) * Number of Years

TCO = $28,102 + ($1,678.32 + $5,407.36) * 9

TCO = $28,102 + $7,085.68 * 9

TCO = $28,102 + $63,770.12

TCO = $91,872.12

Therefore, the Total Cost of Ownership (TCO) for this vehicle is approximately $91,872.12.

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Answer:

Yes, the data provides sufficient evidence at 0.05 level of significance

Step-by-step explanation:

n = 25

s = 8

σ = 15

χ² = (n - 1)s² / σ²

χ² = (25 - 1)*8² / 15²

χ² = (24 * 64) / 225

χ² = 6.827

The critical value at 0.05 ; df = 25 - 1 = 24

12.4012 and 39.3641

Reject H0 if χ² < 12.4012 or if χ² > 39.3641

Since,

χ² < 12.4012 ; We reject H0 ;

we obtain:\(AB = √[(-1 - 4)² + (2 - 5)²]AB = √[(-5)² + (-3)²]AB = √[25 + 9]AB = √34≈ 5.8\)units (nearest tenth). the distance from Link to the Octorok, rounded to the nearest tenth, is approximately 5.8 units.

To determine the distance from Link to the Octorok, we need to use the Pythagorean theorem. We can assume that Link and the Octorok are in a two-dimensional plane.

where Link is at the point (4, 5) and the Octorok is at the point (-1, 2).Let A be the point (4, 5) and B be the point (-1, 2). Then the distance AB is given by:\(AB = √[(x2 − x1)² + (y2 − y1)²]\) Substituting \(x1 = 4, y1 = 5, x2 = −1, and y2 = 2\)

, we obtain:\(AB = √[(-1 - 4)² + (2 - 5)²]AB = √[(-5)² + (-3)²]AB = √[25 + 9]AB = √34≈ 5.8\) units (nearest tenth)

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Answer:

your mom

1234567891011

Answer:

x = 64/21

Step-by-step explanation:

log_4 (x) - log_4(x-3) = 3

log_4 (x/(x-3)) = 3

64 = x/(x-3)

63x = 3 * 64

x = 64/21

Answer:

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

Use the identities below:

Solve the equation:

Answer:

The answer is 9996

Step-by-step explanation:

Using the identity (x+a)(x+b) = x  ^2  +(a+b)x+ab

Writing 102 as 100+2 and 98 as 100−2

Hence (100+2)(100−2) = 100  ^2  +[2+(−2)]100+(2)(−2)

= 10000+(0)100−4

= 9996

The answer is 9996

Answer:

9996

Step-by-step explanation:

by using suitable identities ;

identity used here is :

\((a + b) \times (a - b) = (a {}^{2} - b {}^{2} )\)

..........................

y will stand for the price of a single audiobook.

A recording of a book or other work being read aloud is known as an audiobook (or a talking book). Readings of condensed versions are referred to as abridgements, whereas readings of the entire text are referred to as "unabridged."

Since the 1930s, spoken audio has been accessible in public libraries, schools, and to a lesser extent, music stores. Before the advent of cassettes, CDs, and digital audio, many spoken word albums were created, frequently featuring plays and poetry rather than novels

Given,

Three music albums and five audiobooks cost $49.60

and,

one album and two audiobooks cost $20.50.

There being two unknowable values,

The first is the price of a single album of music.

The second is the price of a single audiobook.

We are aware that when determining an unknown value, a variable is used.

In the case when x stands for the price of one music album, then y must stand for the price of one audio album.

Therefore, y stands for the price of a single audiobook.

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Answer:

B. y = cost of 1 audio book

explanation:

edge 2023

the number=A

5xA/7+A=2

5A/7 +A =2

5A/7=2-A/1

7(2-A)=1(5A)

14-7A=5A

14=5A+7A

14/12=12A/12

A=14/12

A=7/6

The parametric equations for the line segment from (9, 2, 1) to (6, 4, −3) using the parameter t are x(t) = 9 - 3t ,y(t) = 2 + 2t ,z(t) = 1 - 4t

We can use the point-slope form of a line to write the parametric equations

These equations represent the x, y, and z coordinates of a point on the line segment at a given value of t. By plugging in different values of t, we can find different points along the line segment.

To derive these equations, we start by finding the vector that goes from (9, 2, 1) to (6, 4, −3). This vector is:

<6 - 9, 4 - 2, -3 - 1> = <-3, 2, -4>

Next, we find the direction vector by dividing this vector by the length of the line segment:

d = <-3, 2, -4> / sqrt((-3)² + 2² + (-4)²) = <-3/7, 2/7, -4/7>

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