This one dont make sense

Answer:

Step-by-step explanation:

Let's call the number of cups sold in April "x".

The total sales in April were $31,250, so we can set up an equation to find x:

2.50 * x = 31,250

Dividing both sides by 2.50, we get:

x = 12,500

So in April, 12,500 cups of coffee were sold.

The total sales in May were 10,150 cups * $2.50 per cup = $25,375.

The average of the sales in April and May was $31,250 + $25,375 / 2 = $28,312.50.

So in June, they sold $28,312.50 / $2.50 per cup = 11,250 cups of coffee.

Answer: There were 12,500 cups sold in April. In May they made $25,375. They sold 11,325 cups and made $28,312.50 in June.

Step-by-step explanation:

       To find the cups of coffee sold in April, we will divide the total sales by price per cup.

    $31,250 / $2.50 = 12,500 cups

       To find the total sales for May, we will multiply the cups sold by the price per cup.

       10,150 * $2.50 = $25,375

       If they sold the average of April and May in June, we will find the average of April and May.

       12,500 cups in April + 10,150 cups in May = 22,650

       22,650 / 2 = 11,325 cups sold in June

       Then, to find the dollar sales, we will multiply by the price per cup again.

11,325 * $2.50 = $28,312.50

In psychology, a variable interval refers to a type of schedule of reinforcement, which is a pattern of delivering rewards or punishments following a specific behavior.

A variable interval schedule is one in which reinforcement is provided after a variable amount of time has elapsed following a behavior. This means that the amount of time between the behavior and the reinforcement varies from one instance to the next, and is determined by a predetermined average or range.

For example, in an experiment, a rat might receive a food reward for pressing a lever, but the amount of time between each reward might be unpredictable, with the average time between rewards being, say, 3 minutes. So, the rat might press the lever and receive a reward after 30 seconds, then have to wait 4 minutes before pressing the lever again and receiving another reward.

Variable interval schedules tend to be more effective than fixed interval schedules at maintaining behaviors over time, as they prevent the subject from anticipating exactly when the next reinforcement will occur and thus reduce the likelihood of extinction of the behavior. They are also associated with more consistent and stable responding, as the subject knows that the behavior will be reinforced eventually, but doesn't know exactly when.

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Answer:

3 2/5 feet

Step-by-step explanation:

It's smaller than 3 3/4 feet, but it's the largest option, besides 3 5/6 feet which is larger than 3 3/4.

The correct statements regarding the data-set are given as follows:

The consistency of the data-set is obtained by the IQR of each data-set, subtracting Q3 by Q1, hence:

Due to the lower IQR, the clerks from store A were more consistent.

For mean/median, the lower the mean and median, the faster they were.

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Answer:

so subtract the area of the circle from the area of the square.

81-63.585=17.415

Step-by-step explanation:

The y-coordinate for the solution to the system of equations is 6.

Equation is a physical and mathematical statement the describing physical phenomenon the relationship between different physical quantity typically consist of variable simple presenting physical quantity and then it personal variable maybe pointed search is the energy.

The y-coordinate for the solution to the system of equations is 6. This is calculated by substituting the given y-value (2/3) into the equation -x+3y=9 and solving for x. Specifically, -x+3(2/3) = 9, which reduces to -x = 3. Therefore, x = -3 and substituting this value into the first equation yields 3y = 9, which simplifies to y = 3. Therefore, the y-coordinate for the solution to the system of equations is 6.

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Now we have the values of h0 and v, so we can write the quadratic function that represents the situation: h(t) = -16t^2 - 0.1125t + 18

What is Quadratic function ?

A quadratic function is a function of the form f(x) = ax^2 + bx + c, where a, b, and c are constants, and x is the variable. The term "quadratic" comes from the fact that the highest degree of the variable x in the function is 2, making it a second-degree polynomial.

Let's use the equation of motion for a free-falling object to model the acorn's motion:

h(t) = -16t^2 + vt + h0

where:

h(t) is the height of the acorn at time t

t is the time in seconds

v is the initial vertical velocity (upwards or downwards)

h0 is the initial height of the acorn

We know that the acorn is thrown from the top of an 18-foot tree, so its initial height is h0 = 18 feet. We also know that after 0.2 seconds, the acorn reaches a height of 18.36 feet above the ground, so:

h(0.2) = 18.36

-16(0.2)^2 + v(0.2) + 18 = 18.36

Simplifying the equation, we get:

-3.2v + 18 = 18.36

-3.2v = 0.36

v = -0.1125

Therefore, the initial vertical velocity of the acorn is v = -0.1125 feet/second (negative because it is moving downwards).

Now we need to find the height of the acorn after 1 second. Using the same equation of motion:

h(1) = -16(1)^2 + v(1) + 18

We know that the height of the acorn after 1 second is 7 feet above the ground, so:

-16 + v + 18 = 7

v = -5

the initial vertical velocity of the acorn is v = -5 feet/second (negative because it is moving downwards).

This is the quadratic function that models the height of the acorn at any time t in seconds, where h(t) is in feet.

Therefore, Now we have the values of h0 and v, so we can write the quadratic function that represents the situation h(t) = -16t^2 - 0.1125t + 18

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The value of the composition function g ( f ( 0 ) ) = 2

Evaluation of a function at the value of another function is known as Composition of function. A function composition is a process in which two functions, f and g, form a new function, h, in such a way that h(x) = g(f(x)). This signifies that function g is being applied to the function x. So, in essence, a function is applied to the output of another function.

Given data ,

Let the first function be represented as f ( x )

Now , the value of f ( x ) is

f ( x ) = 4x + 1

Let the second function be represented as g ( x )

Now , the value of g ( x ) is

g ( x ) = 5x - 3

Now , the composition function is g ( f ( 0 ) )

where the value of f ( 0 ) is

f ( 0 ) = 4 ( 0 ) + 1

f ( 0 ) = 1

Now , the value of g ( 1 ) is

g ( 1 ) = 5 ( 1 ) - 3

g ( 1 ) = 2

Therefore , the value of g ( 1 ) is 2

Hence , the composition function is solved and the value is 2

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Answer:

Step-by-step explanation:

To find an exponential regression equation for this set of data, we can use a calculator or spreadsheet software with built-in regression functions. Using a calculator, we can input the data points into lists and use the exponential regression function to find the equation:

x y

0 1353

1 1584

2 2037

3 2248

4 2630

5 3146

Using exponential regression, we get the equation y = 1323.119e^(0.216x).

To determine the number of bacteria present after 14 hours, we can plug in x = 14 into the equation:

y = 1323.119e^(0.216 * 14) ≈ 35433

Therefore, the number of bacteria present after 14 hours is approximately 35,433 (rounded to the nearest whole number).

The "line" function in MATLAB allows you to create horizontal lines. Drawing horizontal or vertical lines is possible by using the "line" function,

So the "line" function in MATLAB allows you to create horizontal lines. Drawing horizontal or vertical lines is possible by using the "line" function, which creates a line object. You must supply the x-coordinates of the starting and ending points of the line as well as the line's y-coordinate in order to draw a horizontal line. To draw a horizontal line in MATLAB, use the following syntax: CSS Copy Code: x = [x min x max]; percentage of the x-coordinates of the line's beginning and finish points, y = [y value y value]; line(x, y percentage )'s y-coordinate; % Create a horizontal line

The starting and stopping positions of the line are indicated by the x-coordinates "x min" and "x max," respectively, while the line's y-coordinate is shown by "y value." is the "line".

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550 ml was found to be equivalent to approximately 2.324 cups using conversion factor method.

To convert 550 ml (milliliters) to cups, you can use the following conversion factor:

1 cup = 236.588 ml

Dividing 550 ml by 236.588 ml/cup, we get:

550 ml / 236.588 ml/cup = 2.324 cups (rounded to three decimal places)

Therefore, 550 ml is equivalent to approximately 2.324 cups

A conversion factor is a mathematical ratio used to convert a quantity from one unit of measurement to another. The conversion factor is usually derived from the relationship between the two units of measurement.

For example, if you want to convert a length measurement from feet to meters, you can use the conversion factor 1 ft = 0.3048 m.

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The angle 2π/7 in its standard position is added as an attachment

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

Angle = 2π/7

The coordinates of this point can be found by using the formula for converting from polar to rectangular coordinates:

x = cos(2π/7)

y = sin(2π/7)

So, we have

x = 0.62

y = 0.78

As an ordered pair, we have

(0.62, 0.78)

This means that we plot (0.62, 0.78)

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44 °F was found out to be equivalent to approximately 6.67 °C using conversion formula of Fahrenheit to Celsius.

To convert a temperature from Fahrenheit to Celsius, you can use the following formula:

°C = (°F - 32) x 5/9

where °C is the temperature in Celsius, and °F is the temperature in Fahrenheit.

Using this formula, we can convert 44 °F to Celsius as follows:

°C = (44 - 32) x 5/9

= 12 x 5/9

= 6.67 °C (rounded to two decimal places)

Therefore, 44 °F is equivalent to approximately 6.67 °C.

On the Fahrenheit scale, water freezes at 32 degrees Fahrenheit (°F) and boils at 212 °F, at standard atmospheric pressure.

On the Celsius scale, the freezing point of water is defined as 0 degrees Celsius (°C), and the boiling point of water is defined as 100 °C, at standard atmospheric pressure.

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According to the figure of the rhombus ∠ UTV = 36 degrees

Angle UTV is solved learning some property of rhombus

The opposite angles are equal.

The diagonals divide the angles.

∠ UTV = ∠ UTW / 2

Assuming  ∠ UTW = ∠ UVW = x

Given: ∠ TWV = ∠ TUV = 108

2x + 2(108) = 360 sum of angles of a rhombus

x + 108 = 180

x = 180 - 108

x = 72

∠ UTV = 72/2

∠ UTV = 36 degrees

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The missing lengths are 12 unit and 6 unit.

In general, the term "proportion" refers to a part, share, or amount that is compared to a total.

According to the concept of proportion, two ratios are in proportion when they are equal.

According to proportion, two sets of provided numbers are said to be directly proportional to one another if they increase or decrease in the same ratio. "::" or "=" are symbols used to indicate proportions.

Given:

we can use the property similar triangle which states the the ratio of corresponding sides of similar triangle are in proportion

Using proportion

x / 20 + x  = 9 / 24

24x = 180x + 9x

24x -9x = 180

15x = 180

x= 12

Again, Using proportion

y/ y+9 = 4/ 10

10y = 4y + 36

6y = 36

y= 6

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Answer:

An equation of the line that passes through the point (-4, -6) and is perpendicular to the line 2x - y = 6 is y = -2x + 10.

The solution of the system of equations is 5 comma negative one half is

Two or more expressions with an Equal sign is called as Equation.

The given system of equations are

y equals negative one half times x plus 2

y=-1/2x+2

y equals one half times x minus 3

y=1/2x-3

Now substitute equation 2 in equation 1

1/2x-3=-1/2x+2

1/2x+1/2x=2+3

x=5

Now y=-1/2(5)+2

y=-5/2+2=-1/2

Hence, 5 comma negative one half is the solution of the system of equations.

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Answer:

Equations:

A: y = 2x + 30

B: y = 3x + 6

Time to fill to 71 inches:

A: 20.5 minutes

B: 25.5 minutes

Step-by-step explanation:

Pool A: starts at 30 inches, fills at 2 inches/minute

Equation: y = 2x + 30

Pool B: starts at 20 inches, fills at 3 inches/minute

Pool B slope = filling rate = (26 - 20)/(2 - 0) = 6/2 = 3

Equation: y = 3x + 20

Pool A: y = 71

71 = 2x + 30

2x = 41

x = 20.5

Pool B: y = 71

71 = 3x + 20

3x = 51

x = 25.5

The ratio of the number of unshaded to shaded squares is 7 : 3.

Ratio is defined as the relationship between two quantities where it tells how much one quantity is contained in the other.

It is also defined as the fraction of one quantity with respect to other.

The ratio of a and b is denoted as a : b.

Given is a grid of squares which is given below.

Total number of squares = 10

Of that,

Number of shaded squares = 3

Number of unshaded squares = 7

We have to find the ratio of unshaded to shaded squares in the grid which is 7 / 3 or 7 : 3.

Ratio of unshaded squares to shaded squares = 7 : 3

Hence 7 : 3 is the ratio of unshaded to shaded.

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The center of the face of a cube is the midpoint of the face and lies along the line that runs between the opposite vertices of the face.

This is the point of intersection of the two diagonals in a face. In other words, it is the point that is equidistant from all four corners of the face.

To visualize this, imagine dividing the face into four equal triangles by drawing lines from each corner to the center. The center of the face is at the intersection of these lines.

In three-dimensional space, the center of the face of a cube is also the center of the cube itself, as all faces of a cube are congruent (the same shape and size) and meet at the center of the cube.

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[tex]\pi \int\limits^6_0 {\frac{26}{3} } \, x^{2} -\frac{1}{9} x^{4} dx[/tex] is the integral that uses the method of disks/washers to find the volume v of the solid obtained by rotating the region bounded by the given curves about the specified lines.

A method for determining the volume of a solid of revolution of a solid-state material while integrating along an axis "parallel" to the axis of revolution is known as disc integration, also known as the disc method in integral calculus.

This technique stacks an endless number of discs with varied radii and minuscule thickness to produce the final three-dimensional form. To create hollow solids of revolutions, the same ideas may also be applied when using rings in place of discs (this is known as the "washer technique").

As opposed to this, shell integration integrates along an axis that is parallel to the axis of revolution. The solution can be seen in the attached images below.

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Answer:

Step-by-step explanation:

A Turing machine (TM) is considered undecidable if there is no algorithm that can decide, in a finite amount of time, whether a given input string is accepted by the machine or not.

One common way to prove that a TM is undecidable is by using Rice's Theorem. Rice's Theorem states that, for a large class of computational problems, if a problem is nontrivial (i.e., there exist both positive and negative instances of the problem), it is undecidable.

Another way to prove the undecidability of a TM is by reducing the halting problem to it. The halting problem is the problem of determining, given a TM and an input string, whether the TM halts on the input or not. It has been proven that the halting problem is undecidable, so if you can show that the problem you are considering is equivalent to the halting problem, then you have proven that the problem is also undecidable.

These are just two of many ways to prove that a TM is undecidable. The exact proof will depend on the specific TM and problem in question.

The exact roots csc Θ = undefined in 0° ≤ Θ≤ 360° are x = 0°, 180°.

By the definition:

csc Θ = 1/ sin Θ

Hence, for those values of where sin θ = 0, csc θ is undefined.

The answer to this equation is:

x = kx ; k ∈ Z

Written in the intervals:

x = 0, π

In degrees.

x = 0°, 180°

Thus, the exact roots csc Θ = undefined in 0° ≤ Θ≤ 360° are x = 0°, 180°.

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The correct question is-

What are the exact roots for csc Θ = undefined in 0° ≤ Θ≤ 360°.

Answer:

Each miner receive 2.5 ounces of gold dust.

Step-by-step explanation:

15/6= 2.5 ounces

Answer: The average rate of change of a function over an interval is given by the slope of the secant line connecting the endpoints of the interval. To find this, we need to find the difference in y values (the rise) divided by the difference in x values (the run) between the two points (1,1/1) and (3,1/3).

The rise is 1/3 - 1/1 = 1/3 - 1 = -2/3

The run is 3 - 1 = 2

So the average rate of change over the interval [1,3] is -2/3 ÷ 2 = -1/3.

Step-by-step explanation:

Answer:

5 : 7

Step-by-step explanation:

groom's side: 40

bride's side: 56

ratio groom to bride = 40/56 = 20/28 = 10/14 = 5/7

Answer: 5 : 7

Answer:2

Step-by-step explanation:

The solutions to the system of equations are given as follows:

(0, -4) and (2,0).

The number of solutions of the system of equations is given by the number of times which the two functions intersect.

The two intersection points are given as follows for this problem:

(0, -4) and (2,0).

Which are the solutions to the system of equations.

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Unit vector notation is a way of representing vectors in which magnitude of vector is equal to 1. A vector is mathematical object that has both magnitude (length) and direction, and can be represented as an arrow.

In unit vector notation, a vector is represented as a combination of a scalar (a numerical value) and a unit vector (a vector with a magnitude of 1 in the same direction).

The most common notation for unit vectors is to use a hat symbol (^) to indicate that a vector is a unit vector. For example, if we have a vector v, then its corresponding unit vector in the same direction would be represented as v. The unit vector in the x-direction is typically denoted as i, and the unit vector in the y-direction is denoted as j.

Unit vector notation is useful in many applications, including physics and engineering, where it is used to describe the direction of forces, velocities, and accelerations. It is also commonly used in computer graphics and game development, where it is used to represent the direction of movement or rotation of objects in a 3D space.

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