Subway creates a paid promotion featuring a different 6-inch sub of the day each day of the week. The sub of the day is only $3. 50. Subway utilizes the radio to spread the word. Which promotion method is subway using?.

Answer:

6-1/0-1=5/-1

Step-by-step explanation:

change in y over change in x gives you gradient.therefore the gradient is negative 5

Answer:

one hour and 12 minutes

Answer:

1  hour and 12 minutes

Step-by-step explanation:

Let's say x = time it takes for the trains to be 204 miles apart.

Speed = Distance/Time,

Time = Distance/Speed,

x = 204/ (80 + 90) = 204/170 = 1 and 1/5 hours or 1  hour and 12 minutes

Step-by-step explanation:

n -1  077 1/ 7198

12710 27];8w4[' 4108472 1p4201

\421 -]462] -40182 4 '12;il4y01

Answer:

The second option

Step-by-step explanation:

First, simplify the bracket

\( \frac{4r {}^{3} s {}^{2} t {}^{4} }{2r {}^{4} st {}^{6} } \)

Apply Quotient of Powers

\(2 {r}^{ - 1} s {t}^{ - 2} \)

Which equals

\( \frac{2s}{rt {}^{2} } \)

Raise this to the fifth power

\( \frac{32s {}^{5} }{ {r}^{5} t {}^{10} } \)

Multiply by the outsides numbers(5^r^6 and t^4

\( \frac{160 {}^{} r {}^{6}s {}^{5} t {}^{4} }{r {}^{5} t {}^{10} } \)

\(160r {}^{5} t {}^{ - 6} \)

\( \frac{160r {}^{}s {}^{5} }{t {}^{6} } \)

A sensible original hypothesis that suggests a positive relationship between two variables could be: "Hypothesis: Increased physical exercise is positively associated with improved cardiovascular health."

The hypothesis suggests that there is a positive relationship between increased physical exercise and improved cardiovascular health. This means that as the level of physical exercise increases, it is expected to result in an improvement in cardiovascular health.

To explain further, the hypothesis is based on the understanding that physical exercise has various beneficial effects on the cardiovascular system. Regular exercise can lead to improvements in heart function, increased blood flow, lower blood pressure, improved cholesterol levels, and better overall cardiovascular fitness.

By proposing this hypothesis, we are suggesting that individuals who engage in more physical exercise will experience greater improvements in their cardiovascular health compared to those who engage in less or no exercise. This hypothesis can be tested through research studies, where data on exercise habits and cardiovascular health measures are collected and analyzed to determine if a positive relationship exists between the variables.

It is important to note that while the hypothesis suggests a positive relationship, further research is needed to provide concrete evidence and establish a causal link between increased physical exercise and improved cardiovascular health.

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Answer:

Okay! I'll go help! (◠‿◕)

Approximate formula for electric field of a charged spherical shell: This suggests that the electric field was calculated assuming the rod behaves like a uniformly charged spherical shell.

This approximation simplifies the calculation by considering the rod as a collection of individual point charges on its surface.

2. Neglecting polarization of the rod: This implies that the effect of the alignment of charges within the rod due to an external electric field is ignored. Polarization can occur when the charges within the rod slightly shift to create an induced electric field that opposes the external field. However, in this case, the polarization is neglected, assuming its impact is negligible.

3. Neglecting polarization of balloons: Similar to the previous approximation, this neglects the effect of polarization in the balloons caused by the external electric field. Balloons, being dielectric materials, can experience polarization due to the redistribution of charges within them. However, in this case, that effect is ignored.

When a proton is placed at the location marked by "x," it will experience a force due to the electric field. The force acting on a charged particle in an electric field is given by the equation F = q E, where q is the charge of the particle and E is the electric field. In this case,

since the electric field is given as E = N/C, and the charge of a proton is q = 1.6 × 10^-19 C, the force acting on the proton can be calculated by multiplying the charge of the proton with the magnitude of the electric field. The direction of the force will be in the same direction as the electric field, which, according to the given coordinate system, is along the positive x-axis (to the right).

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Answer:

Step-by-step explanation:

69n² × 69n² =0

Answer:

DF

Step-by-step explanation:

Answer:

DF

Step-by-step explanation:

AB is congruent to DE

BC is congruent to EF

AC is congruent to DF

Step-by-step explanation:

the slope = (6-3)/(6-5) = 3/1 = 3

the Equation :

y-3 = 3(x-5)

y-3 = 3x-15

y = 3x-15+3

y = 3x -12

Answer: Option A; x = 5, y = -13

Step-by-step explanation:

We have the equation:

(x + yi) + (4+9i) = 9-4i

Solving the left side we have:

x + y*i + 4 + 9*i = 9 - 4*i

(x + 4) + (y + 9)*i = 9 - 4*i

The real part is x + 4, and this must be equal to the real part in the right that is 9, then:

x + 4 = 9

x = 9 - 4 = 5

x = 5

And the imaginary part in the left needs to be equal to the imaginary part in the right, then:

y + 9 = -4

y = -4 - 9 = -13

y = -13

then the solution is x = 5, y = -13

The correct option is A

Since the occurring of each ball in each bin is independent to each other, then the probability of each possible outcome is the same, that is equal to 0.0001

Probability of an event A is defined as:

P(A) = number of event A can occur / all possible outcomes

Suppose there 2 independent events, A and B, then,

P (A and B) = P(A) . P(B)

In this case, each ball drawn from each bin is an independent event.

Let q be any number from 0 to 9, in each bin:

P(q) = 1/10

The withdrawal of a ball from each bin is independent event.

Hence,

P (any outcome) = 1/10 . 1/10 . 1/10 . 1/10 = 0.0001

In other words, each outcome has the same probability of 0.0001

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Answer:

B. -2/7

Step-by-step explanation:

Rise over run. The graph also goes down so it is negative.

The correct option- The perpendicular bisector of AB has the slope -1/3.

The difference between the change in y-values and the change in x-values is known as the slope of a line. This figure represents the slope of a line.

Formula for slope m = (y2 - y1)/(x2 - x1)

Line segment AB coordinates :

A (1,5) and B (9,17).

Slope m1 = (17 - 5)/(9 - 5)

m1 = 12/4

m1 = 3

The line perpendicular to AB.

Let the slope of m2.

The relation between the slopes of perpendicular lines:

m1 x m2 = -1

3 x m2 = -1

m2 = -1/3.

Thus, the slope of the line perpendicular to the given line AB is found as:  -1/3.

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Complete question:

AB in the coordinate plane has endpoints with coordinates A (1,5) and B (9,17). Which of the following is true?

The perpendicular bisector of  AB has slope 3/2.

The perpendicular bisector of AB has slope -2/3.

The perpendicular bisector of AB  has slope -2/3.

The perpendicular bisector of AB has slope -1/3.

Answer:

EF = 9.2

Step-by-step explanation:

Theorem:

The segment that has as endpoints the midpoints of two sides of a triangle is half the length of and parallel to the third side.

For triangle GEF, the endpoints of segment ZY are midpoints of sides GE and GF, so segment ZY is half the length of segment EF.

EF = 2ZY

EF = 2(4.6)

EF = 9.2

To determine the median number of texts sent by students from the box plot, we locate the middle value on the plot, which is the median. In this case, the median is represented by the horizontal line inside the box.

To find the interquartile range (IQR), we calculate the difference between the first quartile (Q1) and the third quartile (Q3). Q1 is the lower boundary of the box, and Q3 is the upper boundary.If the box plot is symmetric, it means that the whiskers on both sides of the box are roughly equal in length, indicating a balanced distribution. To determine if the data set is symmetric, we assess if the box is centered within the whiskers. If it is, then the data set is symmetric. Based on the provided information, we can determine the median and IQR, but without the actual box .

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The probability that it will be a king or a diamond is 4/13

What is probability?

The area of mathematics known as probability deals with numerical representations of the likelihood that an event will occur or that a statement is true. An event's probability is a number between 0 and 1, where, roughly speaking, 0 denotes the event's impossibility and 1 denotes certainty.

Here, we have

There are 52 cards, of which 4 are kings.

There are 52 cards, of which 13 are diamonds.

But there are only 3 cards that are kings which are not diamonds, and only 12 cards that are diamonds but not kings, there’s one card that is both a king and a diamond.

So, there are 3/52+12/52=15/52 chances of drawing a card that is king or diamond but not both.

There are 3/52+12/52+1/52=16/52 chances of drawing a card that is king or diamond or both.

Hence, the probability that it will be a king or a diamond is 4/13.

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Answer:

Left box:  1/2n

Right box = 2n - 22

Step-by-step explanation:

Since we want one-half the number and n represents the unknown number, we have 1/2n on the left-hand side of the equation.

Thus, you want to put 1/2n in box on the left.

Twice the number and 22 less than this is given by:  y: 2n - 22 less than this means we subtract.  Thus, we have 2n - 22 as the numerator on the right hand side of the equation.

Thus, you want to put 2n - 22 in the box on the right.

Answer:

Reflection across the x-axis: y = − f ( x ) y = -f(x) y=−f(x) The concept behind the reflections about the x-axis is basically the same as the reflections about the y-axis. The only difference is that, rather than the y-axis, the points are reflected from above the x-axis to below the x-axis, and vice versa.

the equation for g(x) after reflected over x axis and translated 4 units left

\(g(x)=-(x+4)^2\)

Given :

Parent function is \(f(x)=x^2\)

When a graph is reflected over x-axis then f(x)=-f(x)

When a graph is translated 'a' units left then we add 'a' with

f(x) becomes f(x+a)

Parent function f(x) is reflected over x-axis , multiply -1 with f(x)

so , \(f(x)=-x^2\)

Now we translate 4 units to the left, add 4 with x

\(g(x)=-x^2\\g(x)=-(x+4)^2\)

The final equation of g(x) is

\(g(x)=-(x+4)^2\)

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Partial grades can be awarded for providing explanations, even if the answer to the True/False statement is straightforward. Hence, the given statement is true.

In many cases, providing a simple True or False answer may not fully demonstrate the depth of understanding or reasoning behind the response. Therefore, instructors or evaluators may award partial grades for explanations that show some level of comprehension, even if the True/False statement itself is correct or incorrect.

In academic or evaluative settings, explanations are often valued as they provide insight into the thought process and understanding of the individual. Even if the answer to a True/False statement is clear-cut, an explanation can demonstrate critical thinking, application of relevant concepts, and an ability to articulate reasoning.

Grading partial credit for explanations encourages students to provide thorough and thoughtful responses, fostering a deeper understanding of the subject matter. It acknowledges that the process of arriving at an answer can be just as important as the answer itself, promoting a more comprehensive evaluation of the individual's knowledge and skills.

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Therefore, the center of the circle is located at (0, 6), and the length of the radius is approximately equal to 7.43.

To determine the coordinates of the center and length of the radius of the circle, we need to rewrite the given equation in standard form, which is\((x - h)^2 + (y - k)^2 = r^2\), where (h, k) represents the center coordinates and r represents the radius.

Given equation: \(x^2 + y^2 - 12y - 20.25 = 0\)

To complete the square, we need to add and subtract the appropriate terms on the left side of the equation:

\(x^2 + y^2 - 12y - 20.25 + 36 = 36\)

\(x^2 + (y^2 - 12y + 36) - 20.25 + 36 = 36\)

Simplifying further:

\(x^2 + (y - 6)^2 = 55.25\)

Comparing this equation with the standard form, we can identify the following values:

Center coordinates: (h, k) = (0, 6)

Radius length:\(r^2\) = 55.25, so the radius length is √55.25.

Therefore, the center of the circle is located at (0, 6), and the length of the radius is approximately equal to 7.43.

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The vertex form of a quadratic function is:

The standard form of a quadratic function is:

We can do the following steps to solve the exercise.

Step 1: We replace the values of h,k, x, and y into the vertex form of a quadratic equation, and we solve for a.

Step 2: We replace the values of a,h, and k into the vertex form of a quadratic equation.

Step 3: We expand the expression inside the parentheses and combine like terms to convert the function into its standard form.

The equation of the graph in standard form is:

1) Rewrite the given differential equation: The given differential equation is y dx - 6(x + y^8) dy = 0. We can rewrite it as: y dx = 6(x + y^8) dy

2. Separate variables:
Now, separate the variables x and y:
(y/6) dx = (x + y^8) dy

3. Integrate both sides:
Integrate both sides of the equation with respect to their corresponding variables:

∫(y/6) dx = ∫(x + y^8) dy

(1/12)xy = (1/2)xy + (1/9)y^9 + C

4. Solve for x(y):
To find the general solution in form x(y), rearrange the equation: x(y) = 3y^8 + Cy^6

5. Find the largest interval:
To find the largest interval over which the general solution is defined, consider the domain of y.

The general solution is defined for all y except y = 0 (since this would result in a division by zero). Therefore, the largest interval is: (-∞, 0) ∪ (0, ∞)

6. Determine transient terms:
Since the general solution does not contain any terms that tend to zero as y approaches infinity, there are no transient terms. So the answer is: NONE

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Option D is the correct answer, The expression which will give her the total volume of all the pans is: (7^2 × 2) × 4.

What do you mean by volume?

The area that any three-dimensional solid occupies is known as its volume. These solids can take the form of a cube, cuboid, cone, cylinder, or sphere.

Various forms have various volumes. We have examined the numerous three-dimensional solids and shapes, such as cubes, cuboids, cylinders, cones, etc., in three-dimensional geometry.

Cubic units are used to quantify a solid's volume. For instance, the volume will be given in cubic meters if the dimensions are given in meters. The International System of Units uses this as the reference unit for volume (SI). Cubic meters, cubic feet, cubic inches, etc. are additional volume units.

The formula in the parenthesis calculates the volume of a single pan, which is then multiplied by the total number of pans, which is four. This will provide the volume of each of the four pans.

Therefore, the expression becomes as (7^2 × 2) × 4.

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201.06cm²  

Hope this helps.

the minimum number of subjects needed for a research study regarding the proportion of respondents who reported a history of diabetes using the following criteria is 384.12, which can be rounded up to 385.

The minimum number of subjects needed for a research study regarding the proportion of respondents who reported a history of diabetes using the following criteria is as follows:

95% confidence, within 5 percentage points, and a previous estimate of 0.25.

The formula to calculate the sample size required for the study to determine the proportion is given by:

`n = Z²pq / E²`

Where n = sample size

Z = z-value (1.96 at 95% confidence interval)

E = margin of error

p = estimated proportion of the population

q = 1 - pp

q = estimated proportion of population without the condition (1 - 0.25 = 0.75)

Given,

Z = 1.96E = 0.05p = 0.25q = 0.75

Substituting these values in the above formula, we get;

`n = (1.96)²(0.25)(0.75) / (0.05)²``n = 384.16`

Therefore, the minimum number of subjects needed for a research study regarding the proportion of respondents who reported a history of diabetes using the following criteria is 384.12, which can be rounded up to 385.

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Answer:

Audrey will have $10,498.10 when Zoe's money has doubled in value.

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Algebra I

Equality Properties

Algebra II

Natural Logs and Exponentials

Compounded Continuously Interest Rate Formula: \(\displaystyle A = Pe^{rt}\)

Compounded Annually Interest Rate Formula: \(\displaystyle A = P(1 + r)^t\)

Step-by-step explanation:

Step 1: Define

Identify.

Zoe:

P = $5,500

r = 0.085

A = 2P

Aubrey:

P = $5,500

r = 0.0825

Step 2: Find Time

Find time elapsed by using Zoe.

So the time it takes for Zoe to get double her money is approximately 8.15467 years.

Step 3: Find Audrey's Money

∴ after the elapsed time of approximately 8.15467 years, Zoe would have made double her money valued at $11,000 and Audrey would have made $10,498.10.

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Topic: Algebra II

Unit: Logarithmic Functions

Answer:

yo did u find the answer

Step-by-step explanation: