Find the arc length s, of an arc with central angle θ=315∘ and radius r=4 cm. a) 7π/4 cm b) 7π/2 cm c) 14πcm d) 2520πcm e) 7πcm f) None of the above.

If the function shown is reflected across the y-axis to create a new function. The statement that is true about the domain and range of each function is: B.Both the range and domain stay the same.

The domain and range of a function remain unchanged when it is reflected across the y-axis. The range is unaffected by the reflection across the y-axis; all that happens is that the signs of the x-values  are simply reversed.

The shape and values of the function will be mirrored across the y-axis in the given diagram if the function is reflected there. The domain, on the other hand, which denotes the set of all feasible x-values for the function does not change.

Therefore the correct option is B.

Learn more about range and domain here:https://brainly.com/question/10197594

#SPJ1

Kiran's speed from City A to City B was approximately 49 mi/h. She increased her speed by 6 mi/h for the second leg of the trip from City B to City C.

Let's denote the speed of Kiran from City A to City B as x mi/h. We can solve for x using the given information.

The time taken to travel from City A to City B is 245 miles divided by the speed x:

Time = Distance / Speed

245 / x

For the trip from City B to City C, Kiran increased her speed by 6 mi/h. The time taken for this leg of the trip is 385 miles divided by (x + 6):

Time = Distance / Speed

385 / (x + 6)

According to the problem, the total trip took 12 hours. Therefore, we can set up the equation:

245 / x + 385 / (x + 6) = 12

To solve this equation, we can simplify by multiplying all terms by x(x + 6) to get rid of the denominators:

245(x + 6) + 385x = 12x(x + 6)

Now, we can expand and simplify:

245x + 1470 + 385x = 12x^2 + 72x

Combining like terms and rearranging the equation to form a quadratic equation:

12x^2 + 72x - 245x - 385x - 1470 = 0

12x^2 - 558x - 1470 = 0

We can solve this quadratic equation using factoring, completing the square, or using the quadratic formula. Upon solving, we find that x ≈ 49 or x ≈ -5/2.

Since speed cannot be negative, we take the positive solution, x ≈ 49.

Therefore, Kiran's speed from City A to City B was approximately 49 mi/h.

To learn more about speed visit:

https://brainly.com/question/13943409

#SPJ11

The conversions

a. 0.1923 g = 192.3 mg

b. 61.03 ps = 6.103 × 10^(-11) s

c. 4.578 × 10^(-4) km = 457.8 mm

a. To convert grams (g) to milligrams (mg), we multiply by 1000 because there are 1000 milligrams in a gram. Therefore, 0.1923 g is equal to 0.1923 × 1000 = 192.3 mg.

b. To convert picoseconds (ps) to seconds (s), we use the conversion factor 1 s = 1 × 10^12 ps. Therefore, 61.03 ps is equal to 61.03 × (1 × 10^(-12)) = 6.103 × 10^(-11) s.

c. To convert kilometers (km) to millimeters (mm), we multiply by 1000 because there are 1000 millimeters in a kilometer. Therefore, 4.578 × 10^(-4) km is equal to 4.578 × 10^(-4) × 1000 = 457.8 mm.

In summary, 0.1923 g is equal to 192.3 mg, 61.03 ps is equal to 6.103 × 10^(-11) s, and 4.578 × 10^(-4) km is equal to 457.8 mm.

For more questions like Milligrams click the link below:

https://brainly.com/question/29798259

#SPJ11

The linear model for the data is:[tex]$$y = 12430 +(t-8.1) {1737/5} = 12430 + 347.4(t-8.1) = 347.4t + 9855.54$$[/tex]. The incomes in 2012 and 2016 , [tex]$y_3 \approx 13989$[/tex] 15036 million dollars respectively.

(a) A linear model for the data can be obtained as follows. Let y be the personal income and t be the time (in years) with t = 0 corresponding to 2000. Let [tex]$t_1$[/tex] and [tex]$t_2$[/tex] be the times corresponding to 2008 and 2013, respectively. Then, the slope of the line joining [tex]$(t_1, 12430)$[/tex]and [tex]$(t_2, 14167)$[/tex] is given by:[tex]$$\frac{14167 - 12430}{t_2 - t_1} )= \frac{1737}{5}$$[/tex]

[tex]$$y = 12430 +(t-8.1) {1737/5} = 12430 + 347.4(t-8.1) = 347.4t + 9855.54$$[/tex]

(b) Let [tex]$t_3$[/tex] and [tex]$t_4$[/tex] be the times corresponding to 2012 and 2016, respectively. Then, we have:[tex]$y_3 \approx 347.4t_3 + 9855.54 = 347.4(12.1) + 9855.54 \approx 13989$[/tex] (in billions of dollars) and [tex]$y_4 \approx 347.4t_4 + 9855.54 = 347.4(16.1) + 9855.54 \approx 15036$[/tex] (in billions of dollars).

(c) According to the U.S. Bureau of Economic Analysis, the actual personal incomes (in billions of dollars) were 13,500 in 2012 and 15,197 in 2016. Comparing the estimates obtained in part (b) with the actual personal incomes, we can say that the model's estimates were reasonably close to the actual personal incomes.

Let's learn more about linear model :

https://brainly.com/question/31265606

#SPJ11

In order to determine whether the project should be accepted or not when the discount rate is 12.5 percent, we can use the profitability index (PI) which is calculated by dividing the present value of cash inflows by the initial investment.

The formula for PI is:PI = (PV of cash inflows) / (initial investment)

A project should be accepted if the profitability index is greater than 1. Therefore, we need to calculate the profitability index (PI) of the project using the given information and determine whether it is greater than 1 or not.

The given answer choices are:

No; because the Pl is 3.3

Yes; because the PI is 3.0

No; because the Pl is 0.8

Yes; because the PI is 2.6

Yes; because the PI is 2.2

However, there is no information given regarding the Pl (present value of cash inflows) for any of these answer choices.

Therefore, we cannot use these answer choices to determine whether the project should be accepted or not when the discount rate is 12.5 percent. So, we need to calculate the PI using the given information and check if it is greater than 1 or not.

Learn more about project at

https://brainly.com/question/3805108

#SPJ11

To rewrite the compound interest equation in the form B(t) = P(1 + rn)^nt, we need to compare it with the given equation B(t) = 100(1.1664)^t.

Let's analyze the given equation: B(t) = 100(1.1664)^t

Comparing this with the desired form, we can see that:

P = 100

1 + rn = 1.1664

nt = t

Since n = 2, we have:

1 + rn = 1.1664

2t = t

From the second equation, we can deduce that t = 0. So, let's substitute this value back into the first equation to solve for r.

1 + rn = 1.1664

1 + r(0) = 1.1664

1 = 1.1664

Since the equation is not satisfied for any value of r, we can conclude that there is an error or inconsistency in the given compound interest equation B(t) = 100(1.1664)^t. As a result, we cannot determine the interest rate, r, as a percentage.

Learn more about interest here

https://brainly.com/question/25720319

#SPJ11

The greatest common factor of the polynomial 24x⁴y³z² + 18x⁵y² - 36x³y⁵z³ is 6x³y²z².

To factor out the greatest common factor from the polynomial 24x⁴y³z² + 18x⁵y² - 36x³y⁵z³, we need to identify the highest power of each variable that appears in every term.

The highest power of x that appears in each term is x³, the highest power of y is y², and the highest power of z is z².

Now, we take the lowest coefficient that appears in each term, which is 6.

Therefore, the greatest common factor of the polynomial is 6x³y²z².

To factor out the greatest common factor, we divide each term by 6x³y²z²:

(24x⁴y³z² + 18x⁵y² - 36x³y⁵z³) / (6x³y²z²) = 4x + 3xy - 6y³z.

So, the factored form of the polynomial after factoring out the greatest common factor is 6x³y²z²(4x + 3xy - 6y³z).

To learn more about “polynomial” refer to the https://brainly.com/question/4142886

#SPJ11

When a graph or a point on the Cartesian plane is symmetric about the origin or with respect to the origin, it means that the graph or point maintains its shape and position when reflected across the origin.

In other words, if you draw a line passing through the origin and the graph or point, the portion of the graph or point on one side of the line will be an exact mirror image of the portion on the other side.

To determine if a graph is symmetric about the origin, we can check if the coordinates of a point on the graph, (x, y), satisfy the condition that (-x, -y) is also on the graph. For example, if the point (2, 3) is on the graph, we can verify that (-2, -3) is also on the graph.

Similarly, for a single point on the Cartesian plane to be symmetric about the origin, its coordinates (x, y) must satisfy the condition that (-x, -y) is also a point on the plane. For instance, if the point (4, -1) is symmetric about the origin, (-4, 1) should also be a point on the plane.

symmetry about the origin in the Cartesian plane refers to maintaining the same shape and position when reflected across the origin. It involves verifying that for every point (x, y) on the graph or plane, (-x, -y) is also a point on the graph or plane.

To know more about Cartesian plane  follow the link:

https://brainly.com/question/28309426

#SPJ11

Investment Y has a higher first-order stochastic dominance (FOSD) than investment X because the returns of Y are equal to the returns of X plus a non-negative random variable.

First-order stochastic dominance (FOSD) is a concept used to compare two investment options based on their probability distributions of returns. In this scenario, we have two investments, X and Y, with returns denoted as RX and RY respectively.

The equation given states that RY is equal to RX plus ϵ, where ϵ is a non-negative random variable. This means that the returns of investment Y are obtained by adding a non-negative random component to the returns of investment X.

To understand why Y is FOSD X, we need to consider the implications of this equation. Since ϵ is non-negative, it implies that the returns of investment Y can never be lower than the returns of investment X. In other words, Y always has at least the same returns as X, and in some cases, it can have higher returns.

This establishes the dominance of Y over X in terms of first-order stochastic dominance. Investment Y dominates X because it offers at least the same level of returns as X, with the possibility of higher returns due to the non-negative random component ϵ.

In summary, investment Y has a higher first-order stochastic dominance than investment X because its returns are equal to the returns of X plus a non-negative random variable. This implies that Y always has at least the same returns as X and has the potential for higher returns.

For more questions like Investment click the link below:

https://brainly.com/question/17252319

#SPJ11

The length of the arm and blade of a windshield wiper is 30 inches. The length of the blade is 24 inches. The angle swept out by the wiper is 125°.

Formula: The area of the sector of a circle is given by: Area of the sector = 1/2r²θ Where r is the radius of the circle and θ is the central angle in radians.Conversion:125° = (125 × π) / 180 radians = 2.18 radians

Calculation: As per the given information, Radius of the circle = Length of the arm = (30 - 24) inches = 6 inches Therefore, Area of the sector = 1/2r²θ= 1/2 × 6² × 2.18= 39.3 square inches Hence, the blade can clean 39.3 square inches of window area.

windshield wiper and window: https://brainly.com/question/28098634

#SPJ11

To determine the value of the width, x, at which the cost of the two companies is the same, we can set up a system of equations representing the costs of the two companies.

Let's denote the cost of the first company as C1 and the cost of the second company as C2. The cost C1 includes the cost of the rock and the delivery fee, while the cost C2 also includes the cost of the rock and the delivery fee.

For the first company, the cost C1 can be expressed as:

C1 = 3.5x + 80,

where x represents the width (or the amount of rock in cubic feet).

Similarly, for the second company, the cost C2 can be expressed as:

C2 = 2.5x + 120.

To find the value of x at which the costs are the same, we need to set C1 equal to C2 and solve for x:

3.5x + 80 = 2.5x + 120.

By rearranging the equation, we can isolate x on one side:

[tex]3.5x - 2.5x = 120 - 80,\\1x = 40,\\x = 40.[/tex]

Therefore, the value of the width, x, at which the cost of the two companies is the same is x = 40.

By substituting x = 40 back into either of the original equations, we can find the corresponding cost for both companies at that width.

The system of equations used to determine the value of the width, x, at which the cost of the two companies is the same is:

C1 = 3.5x + 80,

C2 = 2.5x + 120.

For more such questions on equations

https://brainly.com/question/29174899

#SPJ8

The heights (in inches) of 25 individuals were recorded and the following statistics were calculated mean = 70 range = 20 mode = 73 variance = 784 median = 74 The coefficient of variation equals  to the answer is C. 40%.

The coefficient of variation (CV) is defined as the ratio of the standard deviation to the mean, expressed as a percentage.

To calculate the CV, we first need to find the standard deviation. The variance is given as 784, so the standard deviation is the square root of the variance:

standard deviation = sqrt(variance) = sqrt(784) = 28

Now we can calculate the CV:

CV = (standard deviation / mean) x 100%

= (28 / 70) x 100%

= 40%

Therefore, the answer is C. 40%.

Learn more about  heights from

https://brainly.com/question/28122539

#SPJ11

The HCF of 10125 and 7425 is 675, obtained by prime factorization and identifying the common factors.

To find the highest common factor (HCF) of 10125 and 7425, we can use the method of prime factorization.

Step 1: Prime factorize both numbers.

10125 = 3 × 3 × 3 × 5 × 5 × 5 × 3

7425 = 3 × 3 × 3 × 5 × 5 × 11

Step 2: Identify the common prime factors.

The common prime factors between 10125 and 7425 are 3 and 5.

Step 3: Find the minimum exponent for each common prime factor.

The minimum exponent for 3 is 3 (from 10125) and 3 (from 7425).

The minimum exponent for 5 is 3 (from 10125) and 2 (from 7425).

Step 4: Multiply the common prime factors raised to their minimum exponents.

HCF(10125, 7425) = 3^3 × 5^2 = 27 × 25 = 675.

Therefore, the highest common factor of 10125 and 7425 is 675.

For more question on HCF visit:

https://brainly.com/question/28730857

#SPJ8

- The domain of the function \[ f(t) = \sqrt[3]{t-1} \] is \[ [1, \infty) \].
- The domain of the function \[ f(x) = \sqrt{1-2x} \] is \[ (-\infty, \frac{1}{2}] \].

The domain of a function refers to the set of all possible input values, or values of the independent variable, for which the function is defined. In other words, it is the set of all valid inputs for the function.

For the first function, \[ f(t) = \sqrt[3]{t-1} \], we need to consider the cube root of the expression \[ t-1 \].

To determine the domain, we need to find the values of \[ t \] that make the expression \[ t-1 \] under the cube root non-negative.

Since taking the cube root of a negative number is not defined in the real number system, we need to ensure that \[ t-1 \] is greater than or equal to zero.

Simplifying this inequality, we have:

\[ t-1 \geq 0 \]

Adding 1 to both sides, we get:

\[ t \geq 1 \]

Therefore, the domain of the function \[ f(t) = \sqrt[3]{t-1} \] is all values of \[ t \] greater than or equal to 1, which can be written in interval notation as \[ [1, \infty) \].

For the second function, \[ f(x) = \sqrt{1-2x} \], we need to consider the square root of the expression \[ 1-2x \].

To determine the domain, we need to find the values of \[ x \] that make the expression \[ 1-2x \] under the square root non-negative.

Since taking the square root of a negative number is not defined in the real number system, we need to ensure that \[ 1-2x \] is greater than or equal to zero.

Simplifying this inequality, we have:

\[ 1-2x \geq 0 \]

Adding 2x to both sides, we get:

\[ 1 \geq 2x \]

Dividing both sides by 2, we have:

\[ \frac{1}{2} \geq x \]

Therefore, the domain of the function \[ f(x) = \sqrt{1-2x} \] is all values of \[ x \] such that \[ x \] is less than or equal to \[ \frac{1}{2} \]. This can be written in interval notation as \[ (-\infty, \frac{1}{2}] \].

In summary:

- The domain of the function \[ f(t) = \sqrt[3]{t-1} \] is \[ [1, \infty) \].
- The domain of the function \[ f(x) = \sqrt{1-2x} \] is \[ (-\infty, \frac{1}{2}] \].

Know more about domain here:

https://brainly.com/question/30133157

#SPJ11

After 120 compounding periods, the balance in the savings account, with $300 deposited quarterly at a 9% annual interest rate, would be approximately $4332.31

To calculate the balance in the account after 120 compounding periods, we can use the formula for compound interest:

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

Where:

A = final balance

P = initial deposit or principal ($300 in this case)

r = annual interest rate (9% or 0.09 as a decimal)

n = number of compounding periods per year (quarterly compounding, so n = 4)

t = number of years (120 compounding periods divided by 4 quarters per year gives t = 30)

Plugging in the values, we have:

A = 300(1 + 0.09/4)^(4*30)

Now we can calculate the balance in the account after 120 compounding periods:

A ≈ 300(1.0225)^(120)

A ≈ 300(2.208040283)^120 ≈ $4332.31

Therefore, the balance in the account after 120 compounding periods would be approximately $4332.31

To learn more about compound interest visit:

https://brainly.com/question/3989769

#SPJ11

The shape of the given quadrilateral ABCD can be determined by examining the sides and angles of the quadrilateral. Thus, the correct option is b) Rhombus.  

To identify the shape, we need to consider the properties of different quadrilaterals.

A square has all sides equal in length and all angles equal to 90 degrees.
A rhombus has all sides equal in length, but the angles are not necessarily 90 degrees.

A kite has two pairs of adjacent sides that are equal in length.
A rectangle has opposite sides equal in length and all angles equal to 90 degrees.

By examining the given coordinates, we can calculate the lengths of the sides of the quadrilateral. The distance formula is used to find the lengths between the vertices:

AB = √[(4-0)^2 + (5-0)^2] = √(4^2 + 5^2) = √(16 + 25) = √41
BC = √[(9-4)^2 + (9-5)^2] = √(5^2 + 4^2) = √(25 + 16) = √41
CD = √[(5-9)^2 + (4-9)^2] = √((-4)^2 + (-5)^2) = √(16 + 25) = √41
DA = √[(0-5)^2 + (0-4)^2] = √((-5)^2 + (-4)^2) = √(25 + 16) = √41

As all four sides have the same length, which is √41, we can conclude that the shape of the quadrilateral ABCD is a rhombus.

Thus, the correct option is b) Rhombus.

To know more about  Square visit:

https://brainly.com/question/27307830

#SPJ11

The determinant of the given matrix is 27.

To evaluate the determinant of the given matrix by expanding by cofactors, we can follow these steps:

1. Identify the size of the matrix. In this case, we have a 3x3 matrix.

2. Choose a row or column to expand along. It's usually best to choose a row or column with many zeros or smaller values to simplify calculations. For this example, let's choose the first row.

3. Apply the cofactor expansion formula. The formula for expanding a 3x3 matrix by cofactors is:

  det(A) = a11C11 - a12C12 + a13C13,

  where a11, a12, and a13 represent the elements of the first row, and C11, C12, and C13 represent their corresponding cofactors.

4. Calculate the cofactors for each element in the first row.

  - For a11 = -3, the cofactor C11 is the determinant of the submatrix formed by removing the first row and first column. In this case, the submatrix is:

    |3 -2|
    |-3 1|

    Applying the cofactor expansion formula to this 2x2 submatrix gives:

    C11 = (3 * 1) - (-2 * -3) = 3 - 6 = -3.

  - For a12 = 2, the cofactor C12 is the determinant of the submatrix formed by removing the first row and second column. In this case, the submatrix is:

    |1 -2|
    |-5 1|

    Applying the cofactor expansion formula to this 2x2 submatrix gives:

    C12 = (1 * 1) - (-2 * -5) = 1 - 10 = -9.

  - For a13 = 3, the cofactor C13 is the determinant of the submatrix formed by removing the first row and third column. In this case, the submatrix is:

    |1 3|
    |-5 -3|

    Applying the cofactor expansion formula to this 2x2 submatrix gives:

    C13 = (1 * -3) - (3 * -5) = -3 + 15 = 12.

5. Substitute the calculated cofactors into the formula.

  det(A) = (-3 * 9) - (2 * -9) + (3 * 12)
         = -27 + 18 + 36
         = 27.

To know more about the cofactor expansion method, refer here:

https://brainly.com/question/32106604#

#SPJ11

The vapor pressure of the ideal solution containing 92.1 g glye and 1844 g ethanol is 0.1708 atm. The question requires us to calculate the vapor pressure of an ideal solution that consists of two different solutes. The two solutes in the solution are glye and ethanol.

It is important to note that an ideal solution is one in which the enthalpy of mixing is zero and there are no intermolecular forces between the molecules of the two solutes.

This means that the vapor pressure of the ideal solution can be calculated using Raoult’s law, which states that the vapor pressure of a solution is equal to the mole fraction of the solvent multiplied by the vapor pressure of the pure solvent.

Here are the steps to calculate the vapor pressure of the ideal solution: 1. Calculate the mole fraction of the solvent:To calculate the mole fraction of the solvent, we need to first find out the number of moles of each solute in the solution.

The molecular weight of glye is 92.1 g/mol, so the number of moles of glye is 1 mole / 92.1 g = 0.01084 moles. Similarly, the molecular weight of ethanol is 46.07 g/mol, so the number of moles of ethanol is 1844 g / 46.07 g/mol = 40.03 moles.

The total number of moles in the solution is therefore 40.03 + 0.01084 = 40.04084 moles. The mole fraction of the solvent (ethanol) is therefore:moles of ethanol / total moles = 40.03 / 40.04084 = 0.9997.2. Calculate the vapor pressure of the solution:

Now that we have the mole fraction of the solvent, we can use Raoult’s law to calculate the vapor pressure of the solution. The vapor pressure of pure ethanol is given as 0.171 atm.

Therefore, the vapor pressure of the solution is:0.9997 x 0.171 atm = 0.1708 atm. Therefore, the vapor pressure of the ideal solution containing 92.1 g glye and 1844 g ethanol is 0.1708 atm.

To know more about vapor pressure here

https://brainly.com/question/29640321

#SPJ11

The quadratic function \( f(x) = -3x^2 + 30x - 72 \) has a maximum value. The maximum value occurs at \( x = 5 \) and the maximum value of the function is 3.

To determine whether the function has a minimum or maximum value, we need to consider the coefficient of the \( x^2 \) term. In this case, the coefficient is negative (-3).

When the coefficient of the \( x^2 \) term is negative, the graph of the quadratic function opens downwards, which means the function has a maximum value.

To find the x-coordinate where the maximum value occurs, we can use the formula \( x = -\frac{b}{2a} \), where \( a \) is the coefficient of the \( x^2 \) term (-3) and \( b \) is the coefficient of the \( x \) term (30).

Substituting the values into the formula, we get \( x = -\frac{30}{2(-3)} = -\frac{30}{-6} = 5 \).

Therefore, the maximum value of the function occurs at \( x = 5 \).

To find the maximum value of the function, we substitute the value of \( x \) into the function.

\( f(5) = -3(5)^2 + 30(5) - 72 = -3(25) + 150 - 72 = -75 + 150 - 72 = 3 \).

Hence, the function's maximum value is 3.

In summary, the quadratic function \( f(x) = -3x^2 + 30x - 72 \) has a maximum value. The maximum value occurs at \( x = 5 \) and the maximum value of the function is 3.

Know more about  quadratic function here:

https://brainly.com/question/18958913

#SPJ11

(a) The slope of the line parallel to the given line is the same as the slope of the given line.
(b) The slope of the line perpendicular to the given line is the negative reciprocal of the slope of the given line.


(a) To find the slope of the line passing through the points (-3,-9) and (0,0), we use the slope formula: m = (y2 - y1) / (x2 - x1). Plugging in the coordinates, we get m = (0 - (-9)) / (0 - (-3)) = 9/3 = 3. Since parallel lines have the same slope, the slope of the line parallel to the given line is also 3.
(b) The negative reciprocal of a slope is obtained by flipping the fraction and changing its sign. Therefore, the negative reciprocal of 3 is -1/3. So, the slope of the line perpendicular to the given line is -1/3.
These slopes determine the steepness and direction of the lines in relation to the given line passing through the points (-3,-9) and (0,0).

To know more about Reciprocal visit.

https://brainly.com/question/32497129

#SPJ11

i) The sequence is non-decreasing because all the values are increasing or stay constant.

ii) The sequence is non-increasing because all the values are decreasing or stay constant.

iii) The sequence is non-decreasing because all the values are increasing or stay constant.

iv) The sequence is non-increasing because all the values are decreasing or stay constant.

In Mathematics, a sequence is an ordered set of numbers.

A sequence is considered increasing when every term in the sequence is greater than the previous term. A sequence is considered decreasing when every term in the sequence is lesser than the previous term. A sequence is considered non-decreasing when every term in the sequence is greater than or equal to the previous term. A sequence is considered non-increasing when every term in the sequence is lesser than or equal to the previous term.

In the first sequence (i), all the values are increasing or stay constant. Therefore, it is a non-decreasing sequence.

In the second sequence (ii), all the values are decreasing or stay constant. Therefore, it is a non-increasing sequence.

In the third sequence (iii), all the values are increasing or stay constant. Therefore, it is a non-decreasing sequence.

In the fourth sequence (iv), all the values are decreasing or stay constant. Therefore, it is a non-increasing sequence.

Learn more about non-increasing  non-decreasing https://brainly.com/question/14998796

#SPJ11

Answer:

42 centimeters for the length and 12 centimeters for the width.

Step-by-step explanation:

Let's assume that the length of the rectangle is 7x and the width is 2x, where x is a common factor.

The perimeter of a rectangle is given by the formula: P = 2(l + w), where P represents the perimeter, l represents the length, and w represents the width.[tex]\hrulefill[/tex]

Given that the perimeter of the rectangle is 108 centimeters, we can write the equation as:

108 = 2(7x + 2x).

Simplifying the equation:

108 = 2(9x).

54 = 9x.

x = 6.

Now, we can find the dimensions of the rectangle:

Length = 7x = 7 * 6 = 42 centimeters.

Width = 2x = 2 * 6 = 12 centimeters.

Therefore, the dimensions of the rectangle are 42 centimeters for the length and 12 centimeters for the width.

The ordered pairs (x, y) for the expression y = cos(2x) are as follows:

For x = 0, the ordered pair is (0, 1).

For x = π/4, the ordered pair is (π/4, 0).

For x = π/2, the ordered pair is (π/2, -1).

For x = 3π/4, the ordered pair is (3π/4, 0).

The ordered pairs (x, y) for the expression y = cos(2x) can be calculated as follows:

For x = 0:

y = cos(2 * 0) = cos(0) = 1

So, the ordered pair is (0, 1).

For x = π/4:

y = cos(2 * π/4) = cos(π/2) = 0

The ordered pair is (π/4, 0).

For x = π/2:

y = cos(2 * π/2) = cos(π) = -1

The ordered pair is (π/2, -1).

For x = 3π/4:

y = cos(2 * 3π/4) = cos(3π/2) = 0

The ordered pair is (3π/4, 0).

So, the ordered pairs for the given values of x are:

(0, 1), (π/4, 0), (π/2, -1), (3π/4, 0).

To know more about the cosine function and its behavior, refer here:

https://brainly.com/question/3876065#

#SPJ11

Answer:

FG = 5

Step-by-step explanation:

Helping in the name of Jesus.

Vertex A has 25 edges touching it, because it has 26-1 = 25 other vertices that it can connect to. Hence, the correct answer is d) 25.

A complete graph with 26 vertices labelled A through Z has 25 edges touching vertex A. Therefore, the answer is d) 25.How do you get this answer?A complete graph is a graph with all possible edges between all of the vertices. As there are 26 vertices in this graph, there are n = 26 vertices, and each vertex has n - 1 edges touching it. Thus, vertex A has 25 edges touching it, because it has 26-1 = 25 other vertices that it can connect to. Hence, the correct answer is d) 25.

Learn more about vertex :

https://brainly.com/question/29030495

#SPJ11

Based on the analysis, only Table 2 represents a linear function.

To determine if a table represents a linear function, we need to check if there is a constant rate of change between the values of x and y. If the ratio of the change in y to the change in x remains constant, then the table represents a linear function. Let's analyze each table:

Table 1:

x   |   y

1   |  -3

1   |  -2

1   |  -1

1   |   0

1   |   1

In this table, the value of y does not change as x changes. Therefore, it does not represent a linear function.

Table 2:

x   |   y

-4  |   4

-2  |   2

0    |   0

2    |   2

4    |   4

In this table, as x increases by 2, y also increases by 2. The ratio of the change in y to the change in x is 2/2 = 1. Therefore, this table represents a linear function.

Table 3:

x   |   y

-5  |   -1/2

-3  |   1

-1  |   2

1    |   7/2

3    |   5

In this table, the ratio of the change in y to the change in x is not constant. Therefore, it does not represent a linear function.

Table 4:

x   |   y

-6  |   5

-4  |   13/3

-2  |   11/3

0    |   3

2    |   7/3

In this table, the ratio of the change in y to the change in x is not constant. Therefore, it does not represent a linear function.

Based on the analysis, only Table 2 represents a linear function, where the values of y change at a constant rate as x increases.

For more such questions on linear function.

https://brainly.com/question/15602982

#SPJ8

A special task force of a military unit requires that the recruits, any applicant whose height is below 64.075 inches or above 67.062 inches would be rejected.

To determine the heights that define whether an applicant is accepted or rejected, we can use the z-score formula.
First, we need to find the z-scores corresponding to the rejection cutoffs for being too tall and too short.
For being too tall, we subtract the mean height (69.4 inches) from the cutoff height (rejection rate of 12%), and then divide by the standard deviation (3.5 inches):
z1 = (x - mean) / standard deviation
z1 = (x - 69.4) / 3.5
For being too short, we subtract the mean height (69.4 inches) from the cutoff height (rejection rate of 18%), and then divide by the standard deviation (3.5 inches):
z2 = (x - mean) / standard deviation
z2 = (x - 69.4) / 3.5
Using the standard normal distribution table or a calculator, we can find the z-scores that correspond to the rejection rates of 12% and 18%.
For the rejection rate of 12% (too tall):
z1 = -1.175
For the rejection rate of 18% (too short):
z2 = -0.668
Now, we can find the corresponding heights by rearranging the z-score formula:
x = mean + (z * standard deviation)
For the rejection cutoff for being too tall:
x1 = 69.4 + (-1.175 * 3.5)
x1 = 64.075 inches
For the rejection cutoff for being too short:
x2 = 69.4 + (-0.668 * 3.5)
x2 = 67.062 inches
For more related questions on special task:

https://brainly.com/question/30346924

#SPJ8

Conjecture: The opposite angles of a cyclic quadrilateral are supplementary. its opposite angles lie on the same diameter of the circle. Therefore, they are supplementary. Hence, the conjecture is true.

Given, A quadrilateral is called cyclic if its four vertices lie on a common circle.  Let us construct a quadrilateral ABCD whose vertices lie on the same circle. A quadrilateral is called cyclic if its four vertices lie on a common circle. Let us construct a quadrilateral ABCD whose vertices lie on the same circle. To find the measure of the four angles of the quadrilateral, we use the following formula: Sum of interior angles of a quadrilateral = 360°.We know that the opposite angles of a cyclic quadrilateral are supplementary, that is, they add up to 180°. We observe that the sum of the opposite angles of the quadrilateral ABCD is equal to 180°. Let the opposite angles of the quadrilateral be ∠A and ∠C, and ∠B and ∠D respectively. Then, we have: ∠A + ∠C = 180°, and ∠B + ∠D = 180°. Therefore, we can make the following conjecture: Conjecture: The opposite angles of a cyclic quadrilateral are supplementary. Proof: Let ABCD be a cyclic quadrilateral. Then, its opposite angles lie on the same diameter of the circle. Therefore, they are supplementary. Hence, the conjecture is true.

Let's learn more about quadrilateral:

https://brainly.com/question/23935806

#SPJ11

(a) The probability of finding the particle between x=0 and x=A is 1.

(b) The probability of finding the particle between x=0 and x=A/2 is 0.5.

(a) To compute the probability of finding the particle between x=0 and x=A, we need to integrate the square of the wave function over this interval. The square of the wave function is given by |ψ(x)|^2 = (4/A^2) * sin^2(Aπx). Integrating this expression from x=0 to x=A gives us the probability. The integral is as follows:

P = ∫[0 to A] |ψ(x)|^2 dx

= ∫[0 to A] (4/A^2) * sin^2(Aπx) dx

= (4/A^2) * ∫[0 to A] sin^2(Aπx) dx

= (4/A^2) * (A/2)

= 1

Hence, the probability of finding the particle between x=0 and x=A is 1, which means the particle is guaranteed to be found within this interval.

(b) Similarly, to compute the probability of finding the particle between x=0 and x=A/2, we integrate the square of the wave function from x=0 to x=A/2:

P = ∫[0 to A/2] |ψ(x)|^2 dx

= ∫[0 to A/2] (4/A^2) * sin^2(Aπx) dx

= (4/A^2) * ∫[0 to A/2] sin^2(Aπx) dx

= (4/A^2) * (A/4)

= 0.5

Therefore, the probability of finding the particle between x=0 and x=A/2 is 0.5, indicating a 50% chance of finding the particle within this interval.

For more questions like Probability click the link below:

https://brainly.com/question/30034780

#SPJ11

The product of the given matrices is not equal to the third matrix.

To compute the matrix product, we need to multiply each entry of the first matrix by the corresponding entry in the second matrix and sum the results. Let's calculate the product of the first entry in the first row of the first matrix (-1) with the first entry in the first column of the second matrix (1). This gives us -1 * 1 = -1.

Similarly, we multiply the second entry in the first row of the first matrix (-1) with the second entry in the second column of the second matrix (-3), which gives us -1 * -3 = 3.

Finally, we multiply the third entry in the first row of the first matrix (3) with the third entry in the second column of the second matrix (0), which gives us 3 * 0 = 0. Combining these results, we have the first entry of the resulting matrix as -1 + 3 + 0 = 2. Following the same procedure, we can compute the other entries of the resulting matrix.

To know more about Matrix visit.

https://brainly.com/question/29132693

#SPJ11