If the angle of a sector measures 45° what fraction of the circle is the sector

Given data:

1. Determining the range of the line plot:

To determine the range of the data, we need to subtract the biggest value of the data (8) from the smallest value of the data (1).

Thus, 7 is the range.

2. Determining the mode of the line plot:

The mode of the data is the digit that has repeated the most. In this case, the digit "2" has repeated five times and has repeated the most.

Henceforth, "2" is the mode.

Learn more about range and modes:

Answer:

Range = 7

Mode = 2

Step-by-step explanation:

Question (a)

Range = Highest value - Lowest value

           = 8 - 1

           = 7

Question (b)

The mode is the most common value that appears in the data.

From inspection of the line plot, we can see that 2 is the most common value (the value that appears the most in the data set).

y=1/3x+4 is the equation of line passing through (3, 5) and parallel to -x+3y=6

The slope of the line is the ratio of the rise to the run, or rise divided by the run. It describes the steepness of line in the coordinate plane.

The slope intercept form of a line is y=mx+b, where m is slope and b is the y intercept.

The slope of line passing through two points (x₁, y₁) and (x₂, y₂) is

m=y₂-y₁/x₂-x₁

-x+3y=6

3y=6+x

Divide both sides by 3

y=2+1/3x

y=1/3x+2

slope is 1/3

In parallel lines the slope will remain same

We need to find the equation of line passing through (3, 5) and parallel to 3y=6+x

5=1/3(3)+b

5=1+b

b=4

Hence, y=1/3x+4 is the equation of line passing through (3, 5) and parallel to -x+3y=6

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Answer: 25 units.

Step-by-step explanation:

Given: B is the midpoint of line segment AC.

\(\Rightarrow\ AB=\dfrac{AC}{2}\)

If \(AB = 4x + 1\) and \(AC = 5x + 20\), then we have

\(4x+1=\dfrac{5x+20}{2}\)

Multiply 2 on both sides, we get

\(2(4x+1)=5x+20\\\\\Rightarrow\ 8x+2=5x+20\\\\\Rightarrow\ 8x-5x=20-2\\\\\Rightarrow\ 3x=18\\\\\Rightarrow\ x= 6\)

Now, AC = 5(6)+20 =30+20=50 units

Then, BC= \(\dfrac{50}{2}=25\text{ units}\)  

Hence, the length of BC is 25 units.

To find the value of k, we need to substitute the expressions for h(x) and g(x) into the equation g(x) = h(x) + k.

So, g(x) = x² - 6 and h(x) = x² + 3. Substituting these values, we get x² - 6 = x² + 3 + k.

We can simplify this equation by subtracting x² from both sides, which gives us -6 = 3 + k.

Solving for k, we get k = -9. Therefore, the value of k is -9, which means that g(x) is equal to h(x) minus 9.

In summary, to find the value of k, we substitute the expressions for h(x) and g(x) into the equation g(x) = h(x) + k and simplify the resulting equation to solve for k.
Hello! To find the value of k, we first need to understand that g(x) = h(x) + k is a function relationship. Let's follow these steps:

1. Write down the given functions: h(x) = x² + 3 and g(x) = x² - 6.
2. Plug h(x) into the relationship equation: g(x) = (x² + 3) + k.
3. Since g(x) = x² - 6, we can set the two expressions equal to each other: x² - 6 = (x² + 3) + k.
4. Simplify the equation: x² - 6 = x² + 3 + k.
5. Subtract x² from both sides: -6 = 3 + k.
6. Finally, solve for k by subtracting 3 from both sides: k = -9.

The value of k is -9.

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Answer:

1,253 in³

Step-by-step explanation:

The container can be split into two rectangular prisms. Adding their volumes together will give us the volume of the container.

The formula for the volume of a rectangular prism is length×width×height or base×height

Let's substitute!

(l×w×h)+(l×w×h)

=(7×5×5)+(11×14×7)

=175+1078

=1,253 in³

Hope this helps!

The amount of storage required to represent a simple graph with n vertices and m edges can vary depending on the chosen representation. Here's the storage requirement for each representation:

a) Adjacency lists:

In an adjacency list representation, we typically use an array of size n to store the vertices, and for each vertex, we maintain a linked list or an array to store its adjacent vertices. The space complexity of this representation is O(n + m), where n is the number of vertices and m is the number of edges.

Each vertex requires constant space, and each edge is represented by a link or entry in the adjacency list.

b) Adjacency matrix:

In an adjacency matrix representation, we use a 2D matrix of size n x n to represent the graph. Each entry (i, j) in the matrix represents whether there is an edge between vertices i and j. The space complexity of this representation is O(n^2), as we need to store n^2 entries for the complete matrix. However, if the graph is sparse (few edges compared to vertices), the space complexity can be reduced to O(n + m) by only storing the entries corresponding to the existing edges.

c) Incidence matrix:

In an incidence matrix representation, we use a 2D matrix of size n x m, where n is the number of vertices and m is the number of edges. Each entry (i, j) in the matrix represents whether vertex i is incident to edge j. The space complexity of this representation is O(n * m), as we need to store n * m entries for the matrix.

Similar to the adjacency matrix, if the graph is sparse, the space complexity can be reduced to O(n + m) by storing only the entries corresponding to the existing edges.

In summary:

a) Adjacency lists: O(n + m)

b) Adjacency matrix: O(n^2) or O(n + m) for sparse graphs

c) Incidence matrix: O(n * m) or O(n + m) for sparse graphs

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Answer:  For context,  create a scenario where the numbers in the table might apply. for example:

It costs $8 per day to rent a parking place. Write an equation that will output the total cost depending on the number of days the space is rented.

The equation would be

y = 8x where y is the total cost and x is the number of days.

The graph is attached

Answer: average means add all scores and divide by number of scores earned

last score is x

so the sum is 75+81+x

3 scores so (75+81+x)/3=average

must be no less than (greater than or equal to 80)

(75+81+x)/3≥80

solve

times both sides by 3 to clear fraction

75+81+x≥240

156+x≥240

minus 156 from both sides

x≥84

the studen must earn at least 84 on last exam

Step-by-step explanation:

The maximum profit is achieved when approximately 312.5 units of lab equipment are sold.

The revenue function R(x) represents the amount of money the company earns from selling x units of lab equipment. It is given by the equation:

R(x) = -0.32x^2 + 270x

The costs function C(x) represents the expenses incurred by the company for producing and selling x units of lab equipment. It is given by the equation:

C(x) = 70x + 52

To determine the company's profit, we subtract the costs from the revenue:

Profit = Revenue - Costs

P(x) = R(x) - C(x)

Substituting the given revenue and costs functions:

P(x) = (\(-0.32x^2 + 270x)\) - (70x + 52)

Simplifying the equation:

P(x) = -0.32x^2 + 270x - 70x - 52

P(x) = -\(0.32x^2\)+ 200x - 52

The profit function P(x) represents the amount of money the company makes from selling x units of lab equipment after deducting the costs. It is a quadratic function with a negative coefficient for the x^2 term, indicating a downward-opening parabola. The vertex of the parabola represents the maximum profit the company can achieve.

To find the maximum profit and the corresponding number of units sold, we can use the vertex formula:

x = -b / (2a)

For the profit function P(x) = -\(0.32x^2 + 200x\)- 52, a = -0.32 and b = 200.

x = -200 / (2 * -0.32)

x = 312.5

Therefore, the maximum profit is achieved when approximately 312.5 units of lab equipment are sold.

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The sentence that expresses numbers correctly is: "When the temperatures fell below zero degrees Fahrenheit, the employees decided to take public transportation."

In the sentence, the number is correctly expressed as "zero degrees Fahrenheit." When referring to temperatures below freezing, it is common to use the term "zero" to indicate the absence of heat. The numerical value of zero is represented by the numeral "0," rather than the word "Zero."

Additionally, the unit of measurement, Fahrenheit, is capitalized as it is a proper noun derived from the name of the scientist who developed the temperature scale.

Therefore, the sentence "When the temperatures fell below zero degrees Fahrenheit, the employees decided to take public transportation" accurately conveys the correct numerical and linguistic representation of the temperature.

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Answer: r > 1

Step-by-step explanation:

Since there is no x in this I'm assuming we are looking for r

Step 1: Simplify both sides

15r - 26 > -13r + 2

Step 2: Add 13r to both sides

15r - 26 + 13r > -13r + 2 + 13r

28 - 26 > 2

Step 3: Add 26 on both sides

28 - 26 + 26 > 2 + 26

28r > 28

Step 4: Divide both sides by 28r / 28 > 28 / 28

r > 1

Hope this helped!

Answer:

Step-by-step explanation:

well then the anwser is 1.99 because the one time fee is only for downloading one movie the first, but 1.99 is the money you have to pay everytime you download a movie.

Answer:

20/3

Step-by-step explanation:

The Other guy is wrong, this is the correct answer from Plato

The rate of change in a direct variation relationship is the same as the constant of proportionality. The rate of change is the change in the dependent value, y, over the change in the independent value, x.

In this case, the number of tickets sold is the independent variable and the amount of money raised from ticket sales is the dependent variable. The ratio of money raised per ticket sold is the constant of proportionality.

Since 3 tickets are sold for $20, the rate of change, or slope, is 20/3

Answer:

20/3 I mean imI'm doing it rn and..... the plug

Step-by-step explanation:

there would be 10 melons since 30 × 10 = 300.

Answer:

10 Melons

Step-by-step explanation:

The work done in pulling the rope up 20 ft is 101.43 ft-lbs.

To find the work done in pulling the rope up 20 ft, we need to first determine the initial potential energy of the rope before it is lifted up. We can do this using the formula:

Potential Energy = weight * height

where weight is the weight of the rope and height is the distance the rope is hanging from.

Given:

Length of the rope (L) = 70 ft

Weight of the rope (Wt) = 49 lbs

Height of the building (H) = 100 ft

Height to which the rope is lifted (h) = 20 ft

Using the Pythagorean theorem, we can find the distance (d) the rope is hanging from the building:

d^2 = H^2 + L^2

d^2 = 100^2 + 70^2

d^2 = 10000 + 4900

d^2 = 14900

d = \(\sqrt{14900}\)

d = 122.07 ft

Now we can find the initial potential energy of the rope:

Potential Energy = Wt * d

Potential Energy = 49 * 122.02

Potential Energy = 5981.43 ft-lbs

Next, we need to find the final potential energy of the rope after it is lifted up 20 ft. The height to which the rope is lifted is (H + h) = 100 + 20 = 120 ft. Using the same formula as before, we get:

Final Potential Energy = Wt * (H + h)

Final Potential Energy = 49 * 120

Final Potential Energy = 5880 ft-lbs

Finally, we can find the work done in lifting the rope up 20 ft:

Work Done = Initial Potential Energy - Final Potential Energy

Work Done = 5981.43 - 5880

Work Done = 101.43 ft-lbs

Therefore, the work done in pulling the rope up 20 ft is 101.43 ft-lbs.

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The equation that can be used to determine the cost of one drink is 29.18 = 22 + 2x - 5 where the cost of each drink is $6.9

= $22

29.18 = 22 + 2x - 5

29.18 = 17 + 2x

29.18 - 17 = 2x

12.18 = 2x

x = 12.18 / 2

x = 6.9

Therefore, the equation that can be used to determine the cost of one drink is 29.18 = 22 + 2x - 5 where the cost of each drink is $6.9

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Answer: I would say 4 square feet

Step-by-step explanation:

Pls give brainliest

To determine the number of receptacles required for the bathroom counter space, we need to refer to the electrical code guidelines. The specific requirements may vary depending on the country or region, as well as the local electrical codes in place.

In the United States, according to the National Electrical Code (NEC), at least one 20-ampere-rated branch circuit is required to serve the bathroom receptacles. The code specifies that this circuit should be dedicated solely to the bathroom receptacles and should not serve any other areas.

The NEC also states that at least one receptacle outlet is required on the bathroom countertop. This receptacle should be located within 3 feet of the outer edge of the countertop and should be installed above the countertop surface. This means that a receptacle needs to be placed within reach of the bathroom counter space.

Considering the given information that the bathroom counter space is seven feet, including the sink, we need to install at least one receptacle outlet on the countertop within 3 feet of the outer edge. Depending on the specific layout and size of the counter space, additional receptacles may be required to meet the code's requirements for accessibility and convenience.

To ensure compliance with local electrical codes and safety standards, it is advisable to consult with a licensed electrician or refer to the specific electrical codes applicable in your area. They will be able to provide accurate guidance based on the local requirements and regulations.

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5.2 x 10 ^5

Edit: I tried putting a 5 over the 10 in spaces but it didn’t work lol

Answer:

5.2x x 10^5

Step-by-step explanation:

The answer is: The width of the walkway should be 5 feet.

We are given a diagram below that represents the given data. Julieta is constructing a walkway around a rectangular swimming pool which measures 11 feet by 8 feet.

She wants the total area of the pool and the walkway to be 460 square feet. Our task is to determine the width of the walkway.

Let's assume that the width of the walkway is x feet. Then, the length of the rectangle formed by the walkway and pool together will be 11+2x and the width will be 8+2x.

The area of the rectangle is given as: Area of rectangle = Length × Width⇒(11+2x)×(8+2x) = 460⇒88 + 22x + 16x + 4x² = 460⇒4x² + 38x - 372 = 0 Dividing the entire equation by 2, we get: 2x² + 19x - 186 = 0 To solve this quadratic equation, we will use the quadratic formula: x = [-b ± √(b²-4ac)] / 2awhere a = 2, b = 19, and c = -186.

On substituting these values in the above formula, we get: x = (-19 ± √(19²-4×2×(-186))) / 2×2 Simplifying this expression further, we get: x = (-19 ± √1521) / 4⇒x = (-19 ± 39) / 4⇒x = 5 or x = -9.5

Since the width cannot be negative, the width of the walkway should be 5 feet. Therefore, the answer is: The width of the walkway should be 5 feet.

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

Explanation:

The angles SPT and TPU marked in red are congruent. They are congruent because of the similar arc markings.

Those angles add to the other angles to form a full 360 degree circle.

Let x be the measure of angle SPT and angle TPU.

86 + 154 + 60 + x + x = 360

300 + 2x = 360

2x = 360-300

2x = 60

x = 60/2

x = 30

Each red angle is 30 degrees.

Then,

angle SPQ = (angle SPT) + (angle TPU) + (angle UPQ)

angle SPQ = (30) + (30) + (86)

angle SPQ = 146 degrees

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

Another approach:

Notice that angles QPR and RPS add to 154+60 = 214 degrees, which is the piece just next to angle SPQ. Subtract from 360 to get:

360 - 214 = 146 degrees

Answer:

A

Step-by-step explanation:

In this question, we are concerned with selecting which of the options best represents the difference of two squares.

Let’s have an exposition below as follows;

Consider two numbers, which are perfect squares and can be expressed as a square of their square roots;

a^2 and b^2

where a and b represents the square roots of the numbers respectively.

Inserting a difference between the two, we have;

a^2 - b^2

Now by applying the difference of two squares, these numbers will become;

a^2 - b^2 = (a + b)(a-b)

So our answer out of the options will be that option that could be expressed as above.

The correct answer to this is option A

Kindly note that;

x^2 -9 can be expressed as x^2 - 3^2 and consequently, this can be written as;

(x-3)(x + 3)

Answer:

A

Step-by-step explanation:

Here, we want to find the value of ln (-7)

ln is same as Log to base e and mathematically , we have it for positive numbers only

For that of negative numbers, we get undefined results

However, by the use of special mathematical

methods, we have the answer for ln (-7) as;

1.94591015 + 3.14159265 i

As we can see, for the second part, the value for the coefficient of the complex number is pi and thus, we have the correct option as A

Answer:

a. -17 -9n

Step-by-step explanation:

Question written clearly below:

Which answer choice is equivalent to the expression below?

-7(2+n)+1/3(-9-6n)

a.-17 -9n

b, -14-12n

c. 11+5n

d. 14+2n

Solution

-7(2+n)+1/3(-9-6n)

Open parenthesis

(-14-7n)+(-9/3-6/3n)

= -14-7n+(-3-2n)

= -14-7n-3-2n

Collect like terms

= -14-3-7n-2n

= -17-9n

The answer is option a. -17 -9n

Answer:

-17 -9n

Step-by-step explanation:

i got it right on edge

Answer:

  v = 7/3

Step-by-step explanation:

Add 7/3 to both sides of the equation:

  v -7/3 +7/3 = +7/3

  v = 7/3

_____

If you intend ...

  \(\dfrac{v-7}{3}=0\)

then parentheses are needed:

  (v-7)/3 = 0

The value of v that makes this true is v=7.

To help account for variability, the pollster used a simple random sample.

Sampling is the selection of a subset (a statistical sample) of people from within a statistical population in statistics, assurance, and survey procedures. the population's characteristics that were sampled. Obtaining samples that are typical of the population being researched is the objective of statisticians.

In situations where it is not practical to evaluate the complete population, sampling offers insights and is more cost-effective and time-efficient than doing so.

Each observation gives a number for one or more characteristics of certain things or people, including their size, location, color, or weight.

In survey sampling, especially in stratified sampling, ratings can be added to the results to take into consideration the sample design. The practice is guided by conclusions from statistical theory and probability theory.

Since 1000 people are randomly selected , hence we can say that the preference is simple random sample.

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