18 = -4x -9 + 3 resolver

Answer:

So we are told they are congruent: Hence

Answer and Step-by-step explanation:

Due to the transversal line from point D to point B, angle ABC and angle CDE are congruent. To find x, we set them equal to each other.

61 = 2x

Divide each side by 2.

30.5 = x

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Answer:

you were close it was 12.56

Step-by-step explanation:

sorry...

The use and interpretation of an R or s chart are critical when examining an X-bar chart because they provide additional information about the variation within the subgroups. This allows for a more comprehensive analysis of the process and helps identify any issues or sources of variability.

When using an X-bar chart, the focus is on monitoring the process mean or average. However, the X-bar chart alone does not provide information about the variation within the subgroups. This is where the R or s chart comes into play. The R chart measures the range of values within each subgroup, while the s chart measures the standard deviation.
By using an R or s chart alongside the X-bar chart, we can assess the variability within the subgroups and determine if it is stable over time. If the variation within the subgroups is high and unpredictable, it may indicate that the process is out of control or that there are sources of variation that need to be addressed. The R or s chart provides additional insights into the process performance and helps in identifying the presence of special causes of variation.
In summary, the use and interpretation of an R or s chart in conjunction with an X-bar chart allow for a more comprehensive analysis of process variation. This helps in understanding the stability and capability of the process and enables appropriate actions to be taken to improve quality and performance.

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The standardized data set {xi^} is derived from {xi} by subtracting the mean of {xi} from each element of {xi} and dividing by the standard deviation of {xi}. The mean of {xi^} is 0.

The standardized data set {xi^} is derived from {xi} by subtracting the mean of {xi} from each element of {xi} and then dividing the result by the standard deviation of {xi}. That is,

xi^ = (xi - mean(x)) / stdev(x)

To prove that {xi^} has a mean of 0, we can use the definition of the mean and the properties of linear transformations.

Let {xi} be a data set with mean µ and standard deviation σ. Then, the mean of {xi^} is given by:

mean(xi^) = mean((xi - µ) / σ)

By the properties of linear transformations, we can rewrite this expression as:

mean(xi^) = (1/σ) * mean(xi - µ)

Since µ is the mean of {xi}, we can simplify the expression further:

mean(xi^) = (1/σ) * (mean(xi) - µ)

But by definition, we know that mean(xi) = µ. Therefore, we get:

mean(xi^) = (1/σ) * (µ - µ) = 0

Thus, we have proved that the standardized data set {xi^} has a mean of 0.

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Answer: 40

Step-by-step explanation:

38+ 52=90

230-90=40

Answer:

D=(3,-5) S=(-2,1) P=(-5,4) J=(-4,-5) M=(5,4)

Step-by-step explanation:

Answer:

D=3,-5

S=-2,1

P=-5,4

J=-4,-5

M=5,4

Step-by-step explanation:

The correct expressions are;

B). 2/2 + 2/2 + 1/2 = 2.5

D). 1 1/2 + 1/2 + 1/2 = 2.5

Combining objects and counting them as one big group is done through addition. In arithmetic, addition is the process of adding two or more integers together. Addends are the numbers that are added, and the sum refers to the outcome of the operation.

Given:

Danny has 2 1/2 pounds of coffee grounds.

2 1/2 = 2.5

The choices are given in the image.

A). 3/2 + 2/2 + 1/2 = 6/2 = 3 ≠ 2.5.

B). 2/2 + 2/2 + 1/2 = 2.5

C).  1 + 1 + 1/2 + 1/2

But this shows the situation for four days,

So, this option is discarded.

D). 1 1/2 + 1/2 + 1/2 = 2.5

Therefore, B and D are the correct options.

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Answer:

its a right angle!

Step-by-step explanation:

<ABC is a complementary angle.

The value of function, f(t) for L⁻¹ ( e−s /(s²+ 1)) is equals to sin( t - π ) u(t-π) .

The Laplace transform is the essential term of the given derivative function. Moreover, it comes with a real variable (t) for converting into complex function with variable (s). For ‘t’ ≥ 0, let ‘f(t)’ be given, the Laplace transform of ‘f(t)’, denoted by 'L{f(t)}' or ‘F(s)’ is definable with the equation:

\( L(f(t)) = F(s) = ₀∫^{ \infty } e⁻ˢᵗ f(t)dt\)

we have L⁻¹ ( e−s /(s²+ 1))

Now, L⁻¹ (1 /(s²+ 1)) = sin(t)

so, L⁻¹ ( e−s /(s²+ 1)) = sin( t - π ) u(t-π)

where u(t-π) is unit of step function.

so, required function f(t) is sin( t - π ) u(t-π).

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Complete question:

Find f(t) ℒ−1 (e−s /(s²+ 1))

f(t)=? + (?) (t - ?)

Answer: A

Step-by-step explanation: I'm in college. This is middle school math lol

Answer:

26

Step-by-step explanation:

w = 5 so 7w is 7 x 5 = 35 and x = 9 so it’s 35 - 9 which is 26

Answer:

objective reading

Step-by-step explanation:

Objective reading refers to the type of reading in with facts and data are analyzed and read thoroughly. The questions are based on the facts untiled to the readings. Emotions, and hypothesis are given no space in the objective readings. Scientific studies and theories are analyzed and read in terms of objective and not subjective. Concrete facts and data are empirically analyzed thereby forming neutral observations in objective reading.

Answer:

it's objective reading

Step-by-step explanation:

because scientists readings are talking about objects

Answer:

B i worked out all of them and only b can fit

The line intersects the​ y-axis of the graph at the origin. The correct option is B.

A proportional Relationship is when a variable is in direct variation to another variable such that on increasing one the other proportionally increases.

The equation for a proportional relationship is

y ∝  x

y =kx

where k is the proportionality constant

The equation of a straight line is y = mx +c

here c is the intercept on the y-axis

Comparing the two equations, this can be confirmed that

c = 0

Therefore, the line intersects the​ y-axis of the graph at the origin.

The correct option is B.

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answer is 147

hope that helped

Answer:

m∠1 = 147°

Step-by-step explanation:

triangle = 180°

117 + 30 = 147

180 - 147 = 33

line = 180°

180 - 33 = 147

m∠1 = 147°

Answer: f(x) = -1/2(x+3)

Example: g(x) = -1/2(-x-3)

This function is a dilation and a reflection of the parent function f(x) because when graphed, the two functions have the same shape but are reflected over the y-axis and are half the size of the original.

Answer:

x2-4x-5=-5

x=-5

Step-by-step explanation:

Step-by-step explanation:

mark me as the brainliest

Answer:

x ≤ 2

Step-by-step explanation:

6−2 ≤ −2x

4 ≤ −2x

x ≤ 2

An appropriations bill passes the U.S. House of Representatives with 59 more members voting in favor than against. If all 435 members of the House voted either for or against the bill, how many voted in favor and how many voted against?

Let x be the number of House members who voted against the bill. Then, the number of members who voted in favor of the bill is given by: x + (x + 59) = 4352x + 59 = 4352x = 376x = 188Therefore, 188 members voted against the bill, and 247 voted in favor of it.

In summary, data markers are used in charts to represent individual data points. They are often used in combination with other chart elements, such as axes, gridlines, and legends, to help viewers understand the data being presented. The column, bar, area, dot, pie slice, or other symbol in a chart that represents a single data point is a data marker. Data markers provide you with a visual representation of the data in a chart. For example, in a column chart, each column represents a single data point.

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The rule of inference being used here is Modus Tollens. Modus Tollens is a valid deductive argument form that states if a conditional statement "If P, then Q" is true and the consequent Q is false, then the antecedent P must also be false.

In the given scenario, the conditional statement is "If the guard dog doesn't know a person, then it barks."

The observation that the dog didn't bark (Q is false) leads to the conclusion that the dog must have known the person (the antecedent P is false).

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Answer:

2318

Step-by-step explanation:

Graph theory is relevant in the design of network topologies such as roads, satellite air traffic control stations, etc. It helps in analyzing and optimizing network structures.

In the context of a Jamaica road area network managed by the National Works Agency (NWA), graph theory can be applied to study various theoretical properties.

A personalized road graph network with at least 20 nodes is created, and its features are explained based on graph theory principles. Additionally, the Dijkstra matrix is generated to support the properties of the depicted graph.

Graph theory provides a framework for studying and analyzing network structures. In the design of road networks, graph theory concepts can be applied to understand the connectivity, efficiency, and optimization of routes. For example, in the Jamaica road area network managed by the NWA, the personalized road graph network can be created to capture the relationships between different road intersections or nodes. The nodes represent locations, and the edges represent the road segments connecting them.

Theoretical properties of the road graph network can be analyzed using graph theory. These include concepts such as connectivity, shortest paths, degree centrality, and clustering coefficients.

Connectivity determines the connectivity between different parts of the road network, while shortest paths help identify the most efficient routes between nodes. Degree centrality measures the importance of a node in terms of the number of connections it has, and clustering coefficients analyze the presence of clusters or groups of nodes.

To support these properties, the Dijkstra matrix can be generated. The Dijkstra algorithm finds the shortest paths between nodes in a graph, which can be used to construct the Dijkstra matrix.

This matrix provides information about the distances or costs between nodes, aiding in the analysis of the road network's efficiency and connectivity.

In summary, graph theory plays a crucial role in the design and analysis of network topologies, including road networks. The personalized road graph network for the Jamaica road area network demonstrates how theoretical properties can be applied and analyzed using graph theory concepts.

The generated Dijkstra matrix further supports the understanding of the graph's properties, such as connectivity and shortest paths.


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Answer:

Choice A

Step-by-step explanation:

The value of x for the given quadratic expression is x = 5 ± √11.

The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.

Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.

Given expression is 3(x-5)²=33. The value of x will be calculated as,

3(x-5)²=33

(x - 5 )² = 11

(x - 5 )  = ±√11

x = 5 ± √11

Therefore, the value of x for the given quadratic expression is x = 5 ± √11.

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The  examples that would constitute a discrete random variable are;

I. Total number of points scored in a football game

III. Number of near collisions of aircraft in a year

A discrete random variable has only a countable number of different values that it can assume. Usually, but not always, discrete random variables are counts. A random variable is discrete if it can only take a finite number of different values. A variable whose value is determined by counting is referred to as a discrete variable.

A continuous variable is one whose value may be determined through measurement. A random variable is a variable whose value is the resultant number of an unpredictable event.

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The probability that the next person will pay with a debit card is:

P =  0.63

We want to find he probability that the next customer will pay with a debit card.

That probability can be estimated as the quotient between the number of customers that paid with debit card and the total number of customers.

We know that:

15 paid in cash.

50 paid with debit card.

15 paid with credit card.

For a total of 15 + 50 + 15 = 80

Then the probability is:

P = 50/80 = 0.63

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10 %  is the probabbilty that it is one of the six mew england states.

What is the simple definition of probability?

A probability is a number that expresses the possibility or likelihood that a specific event will take place.

              Probabilities can be stated as proportions with a range of 0 to 1, or as percentages with a range of 0% to 100%.

Number of states that touch the Pacific Ocean = N(P) = 5

Total Number of States = (Sample Space)= N(s) = 50

Number of Event/Draw = 1

Therefore;

Probability = N(P) /N(s) = 5/50 = 1/10 = 10 %

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Answer:

1 11/64

Step-by-step explanation:

we will have to square root the numerator and the denominator that is 625/256 which will give us 25/16. No need to change it to mixed number then multiply 25/16 by 3/4, you can't divide through so you multiply and it will give you 75/64. Then change it to a mixed number, thats how we got 1 11/64.