Can someone please help me .

Answer:

27

Step-by-step explanation:

you 1.50x18

There are 10 children.

The independent variable for Scenario A is given as follows:

a. The employee benefits package.

In the case of a relation, we have that the independent and dependent variables are defined by the standard presented as follows:

In the context of this problem, we have that the input and the output of the relation are given as follows:

Hence the independent variable for Scenario A is given as follows:

a. The employee benefits package.

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(a) the lοcal maximum fοr the revenue functiοn οccurs at x = 50.

(b) the range οf x is 0 < x < 80, there are nο intervals οn which the graph οf the revenue functiοn is cοncave upward.

(c) the range οf x is 0 < x < 80, the graph οf the revenue functiοn is cοncave dοwnward fοr the interval 0 < x < 80.

revenue is the tοtal amοunt οf incοme generated by the sale οf gοοds and services related tο the primary οperatiοns οf the business.

a. Tο find the lοcal extrema fοr the revenue functiοn R(x) =\(1275x - 0.17x^3,\) we need tο find the critical pοints by taking the derivative οf the functiοn and setting it equal tο zerο.

\(R'(x) = 1275 - 0.51x^2\)

Setting R'(x) = 0 and sοlving fοr x:

\(1275 - 0.51x^2 = 0\)

\(0.51x^2 = 1275\)

\(x^2 = 2500\)

x = ±50

We have twο critical pοints: x = -50 and x = 50.

Tο determine whether these critical pοints are lοcal maxima οr minima, we can examine the secοnd derivative οf the functiοn.

R''(x) = -1.02x

Evaluating R''(x) at the critical pοints:

R''(-50) = -1.02(-50) = 51

R''(50) = -1.02(50) = -51

Since R''(-50) > 0 and R''(50) < 0, the critical pοint x = -50 cοrrespοnds tο a lοcal minimum, and x = 50 cοrrespοnds tο a lοcal maximum fοr the revenue functiοn.

Therefοre, the lοcal maximum fοr the revenue functiοn οccurs at x = 50.

b. The graph οf the revenue functiοn is cοncave upward when the secοnd derivative, R''(x), is pοsitive.

R''(x) = -1.02x

Fοr R''(x) tο be pοsitive, x must be negative. Since the range οf x is 0 < x < 80, there are nο intervals οn which the graph οf the revenue functiοn is cοncave upward.

c. The graph οf the revenue functiοn is cοncave dοwnward when the secοnd derivative, R''(x), is negative.

R''(x) = -1.02x

Fοr R''(x) tο be negative, x must be pοsitive. Since the range οf x is 0 < x < 80, the graph οf the revenue functiοn is cοncave dοwnward fοr the interval 0 < x < 80.

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Therefore, the probability that the student attends class on a certain Friday is 1/2, and the probability that the student is absent is also 1/2. The long-run probability that the student either attends class or does not attend class is simply 1, since these are the only two possible outcomes.

Let's use A to represent the event that the student attends class on a certain Friday, and let's use B to represent the event that the student is absent on a certain Friday. We are asked to find the long-run probability that the student either attends class or does not attend class.

We can use the law of total probability and consider the two possible scenarios:

Scenario 1: The student attends class on a certain Friday

If the student attends class on a certain Friday, then the probability that she will attend class the next Friday is 1/3, and the probability that she will be absent is 2/3. Therefore, the probability that the student attends class on two consecutive Fridays is:

P(A) * P(A|A) = P(A) * 1/3

Scenario 2: The student is absent on a certain Friday

If the student is absent on a certain Friday, then the probability that she will attend class the next Friday is 4/5, and the probability that she will be absent again is 1/5. Therefore, the probability that the student is absent on two consecutive Fridays is:

P(B) * P(A|B) = P(B) * 4/5

The probability that the student attends class or is absent on a certain Friday is 1, so we have:

P(A) + P(B) = 1

Now we can solve for P(A) and P(B) using the system of equations:

P(A) * 1/3 + P(B) * 4/5 = P(A) + P(B)

P(A) + P(B) = 1

Simplifying the first equation, we get:

2/3 * P(B) = 2/3 * P(A)

P(B) = P(A)

Substituting into the second equation, we get:

2 * P(A) = 1

P(A) = 1/2

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The probability that a student was born in August is 1/8

To further clarify, the probability of an event happening is calculated by taking the number of favorable outcomes and dividing it by the total number of possible outcomes.

In this case, the favorable outcome is being born in August and the total number of possible outcomes is the total number of students in the class.

The given table shows that there are 5 students who were born in August.

The total number of students in the class is 40.

Therefore, the probability of a student being born in August is:

P(August) = Number of students born in August / Total number of students

P(August) = 5 / 40

P(August) = 1/8

So, the probability that a student was born in August is 1/8 or approximately 0.125.

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Answer:

D

Step-by-step explanation:

Ratio measurements

VZX: RPQ

ZX: PQ

4: 3.2

1.25: 1

5/1.25= 4

The possible values of the number x are any real number that is less than or equal to 103.2. This can be written as: x <= 103.2

Let's call the number "x".

The sum of 4.5 and one-third of x can be written as:

4.5 + (1/3)x

The inequality to represent the statement "the sum is equal to at most 38.9" would be:

4.5 + (1/3)x <= 38.9

To solve for x, we can isolate x by subtracting 4.5 from both sides:

(1/3)x <= 34.4

And finally, multiplying both sides by 3:

x <= 103.2

So, all the possible values of the number x are any real number that is less than or equal to 103.2. This can be written as:

x <= 103.2

or

-∞ < x <= 103.2

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The probability that the mean number of lightning strikes per square kilometer is less than 5 is 0.0016, when  open ground in a year has mean 6 and standard deviation 2.4.

It imply a quantity that falls somewhere between the values of the extreme members of a set in mathematics. There are different types of means, and how they are calculated relies on the relationship that is known about or is regarded as governing the other members.

Given,

Mean = 6

Standard deviation = 2.4

The value that has been reduced by the population mean and divided by the standard deviation is called the z-value.

z = x - mean/ standard deviation/√n

z = 5 - 6/2.4/√50

z = - 2.95

Using table A, calculate the corresponding probability;

= P(x <5)

= P( z < -2.95)

= 0.0016

The probability that the mean number of lightning strikes per square kilometer is less than 5 is 0.0016.

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Answer:

684

Step-by-step explanation:

36

x19

let calculator do the rest and then ur done

Sampling is the use of a subset of the population to represent the whole population or to inform about processes that are meaningful beyond the particular cases, individuals or sites studied.

In non-probability sampling, the sample is selected based on non-random criteria, and not every member of the population has a chance of being included. Common non-probability sampling methods include convenience sampling, voluntary response sampling, purposive sampling, snowball sampling, and quota sampling.

The vector with a magnitude of 4 and a direction of 250 degrees counterclockwise from the positive x-axis can be written in component form as (-2.77, 3.41).

To write a vector in component form, we need to break it down into its horizontal and vertical components. Let's analyze the given vector with a magnitude of 4 and a direction of 250 degrees counterclockwise from the positive x-axis.

To find the horizontal component, we use cosine, which relates the adjacent side (horizontal) to the hypotenuse (magnitude of the vector). Since the vector is counterclockwise from the positive x-axis, its angle with the x-axis is 360 degrees - 250 degrees = 110 degrees. Applying cosine to this angle, we have:

cos(110°) = adj/hypotenuse
adj = cos(110°) * 4

Similarly, to find the vertical component, we use sine, which relates the opposite side (vertical) to the hypotenuse. Applying sine to the angle of 110 degrees, we have:

sin(110°) = opp/hypotenuse
opp = sin(110°) * 4

Now we have the horizontal and vertical components of the vector. The component form of the vector is written as (horizontal component, vertical component). Plugging in the values we found, the vector in component form is:

(cos(110°) * 4, sin(110°) * 4)

Simplifying this expression, we get the vector in component form as approximately:

(-2.77, 3.41)

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I think the answer is a = 4.5

81 ÷ 6 ÷ 3 = 4.5

I hope this helps, have a wonderful day!

i guess it might be right or wrong.the answer will be x value is 20.

One of the following steps is not required as a step to test for the null hypothesis is Compute the standard error of the slope estimate.

Hypothesis testing is a statistical method for testing the validity of a hypothesis made about a parameter in a population. This method may be used to assess the truth of a hypothesis made about a population parameter.

A hypothesis testing problem involves determining whether there is enough evidence in a sample data to support the hypothesis about the population.

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The graph that shows the same end behavior as the graph of f(x) = 2x⁶ – 2x² – 5 is graph A.

In order to find the end behavior of the graph, we need to find the degree of the given function and the leading coefficient. The highest power of x is 6.

The leading coefficient is the coefficient of the highest power term. We have the highest power term is 2x⁶. The leading coefficient is 2 (Positive number)

Therefore, The graph that shows the same end behavior as the graph of f(x) = 2x⁶ – 2x² – 5 is graph A.

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The domain and range of this square root function y = 5/2√(-5x + 1) - 87 are as follows;

Domain = {x|x ≤ 1/5}.

Range = {y|y ≥ -87}.

The domain and range of this square root function y = -315√(11x - 3) - 15/88 are as follows;

Domain = {x|x ≥ 3/11}.

Range = {y|y ≤ -15/88}.

In Mathematics and Geometry, a domain refers to the set of all real numbers for which a particular function is defined.

Additionally, the vertical extent of any graph of a function represents all range values and they are always read and written from smaller to larger numerical values, and from the bottom of the graph to the top.

By critically observing the graph shown in the image attached below for the given square root function y = 5/2√(-5x + 1) - 87 and y = -315√(11x - 3) - 15/88, we can reasonably and logically deduce the following domain and range:

Domain = {-∞, 1/5} or {x|x ≤ 1/5}.

Range = {-87, ∞} or {y|y ≥ -87}.

Domain = {3/11, ∞} or {x|x ≥ 3/11}.

Range = {-∞, -15/88} or {y|y ≤ -15/88}.

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In the subgame-perfect equilibrium, both robbers decide not to shoot, resulting in a payoff of 50 million dollars each as they split the money equally.

(a) The game can be represented in extensive form as follows:

                        / R1 decides not to shoot

               / R2 decides not to shoot (split money equally)

              /

    Bank --->

              \

               \ R2 decides to shoot

                \

                 \ R1 decides not to shoot (R2 takes all the money)

The decision nodes indicate the choices of the robbers (shoot or not shoot), and the outcome nodes represent the resulting payoffs.

(b) To find a subgame-perfect equilibrium, we analyze the game backward, starting from the final decision nodes.

At the bottom of the tree, when R1 decides not to shoot, it is in his best interest to split the money equally with R2 since they both survive.

When R2 has the last decision, if he decides not to shoot, he ensures a payoff of 50 million dollars by splitting the money with R1. If R2 decides to shoot, the outcome is uncertain due to the probabilities of killing. Therefore, R2's best strategy is to not shoot.

Moving up the tree, when R1 has the decision, he knows that if he shoots, there is a 20% chance of killing R2 and taking the entire amount, but an 80% chance of getting nothing if R2 survives. On the other hand, if R1 decides not to shoot, he guarantees a payoff of 50 million dollars by splitting the money with R2.

Therefore, the subgame-perfect equilibrium is for R1 to decide not to shoot, and then R2 to also decide not to shoot. This leads to a payoff of 50 million dollars for each robber, as both survive and split the money equally.

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The complete question is:

Two robbers have just robbed a bank and are in a hotel room with a suitcase of money worth 100 million dollars. Each would prefer to have the whole amount to himself rather than to share it. They are armed with pistols, but their shooting skills are not that great. Specifically, if they shoot, R1 and R2 have 20% and 40% chances of killing their target, respectively. Each has only one bullet left. First, R1 decides whether to shoot. If he shoots, then R2, if alive, decides whether to shoot. If R1 decides not to shoot, then R2 decides whether to shoot. The survivors split the money equally. (a) (10 marks) Write this game in extensive form. (b) (15 marks) Find a subgame-perfect equilibrium.

Answer:

Step-by-step explanation:

Given the coordinate points (8, 5π/12) and (-3, π/12)

The midpoint is expressed using the formula

M(X,Y) = {(x1+x2)/2, (,y1+y2)/2}

X = x1+x2/2

X = 8-3/2

X = 5/2

Y = y1+y2/2

Y = (5π/12+π/12)/2

Y = (6π/12)/2

Y = 6π/24

Y = π/4

Hence the required coordinate is at(2.5, π/4)

A scatter plot is a type of graph that is used to display the relationship between two sets of data. The scatterplot is attached below.

In a scatter plot, each point represents a pair of values, one for each variable being plotted. The x-axis usually represents the independent variable, and the y-axis represents the dependent variable. The position of each point on the graph shows the values for both variables.

The scatter plot is useful for visualizing the nature of the relationship between the two variables being plotted. If the points on the graph are closely clustered around a straight line, this indicates a strong linear relationship between the two variables.

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Answer:

Step-by-step explanation:

Answer:

(2a - b)(4a² + 2ab + b²)

Step-by-step explanation:

8a³ - b³ ← is a difference of cubes and factors in general as

a³ - b³ = (a - b)(a² + ab + b²) , thus

8a³ - b³

= (2a)³ - b³

= (2a - b)((2a)² + 2ab + b² ), that is

(2a - b)(4a² + 2ab + b²)

Given

Find

showing that angles H and F are supplementary.

Explanation

Let angle F , which is subtended by minor arc GHE.

so , angle F = half of angle GHE by subtended angle theorem.

similarly , angle H is the angle subtended by major arc GFE.

so , angle H = half of the angle subtended by major arc.

since , total angle around J is 360 degree.

as we know , the sum of angle subtended by minor arc and major arc is 360 degree.

so , angle F + angle H = 1/2(360) = 180 degree.

Final Answer'

Hence , H and F are supplementary angles.

Answer: -1.9f - 21

Step-by-step explanation:

Combined the like terms.

Correct me if I am incorrect.

Answer:

distance = independant; time = dependant

Step-by-step explanation:

You are able to change the distance you travel, making it the independant. As you go farther, the time increases, so it is dependant on the distance traveled, therefore it is the dependant.

Answer: $25

Step-by-step explanation:

2500/100 = 25

Answer:

Less than?

Step-by-step explanation:

Don't trust me on this i dont know but I tried

Inequality of Nine is less than or equal to the difference of a number and 1 is 9 ≤ x - 1

In the given inequality, "Nine" represents the number 9. The symbol "≤" means "less than or equal to."

The variable "x" stands for the unknown number we're trying to find. We're told that "a number" (which is represented by "x") minus 1 is the difference we're looking at. So, we can set up the inequality as "Nine ≤ x - 1."

Now, let's solve for "x" step by step.

1. Start with the inequality: Nine ≤ x - 1.

2. Add 1 to both sides of the inequality to isolate "x":

  Nine + 1 ≤ x - 1 + 1

  Ten ≤ x.

So, the solution is x ≥ 10. This means that any number (x) that is greater than or equal to 10 will satisfy the given inequality "9 ≤ x - 1."

In other words, if you pick a number 10 or greater, subtract 1 from it, the result will still be greater than or equal to 9, fulfilling the initial condition.

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Answer:

42

Step-by-step explanation:

Hey There!

Angle 3 and Angle 4 are a pair of supplementary angles meaning that added together they will equal 180

So if angle 4 is given to find angle 3 all we have to do is subtract the angle that is given from 180

180-138=42

Therefore angle 3 = 42

Answer:

C.) 19% decrese

Step-by-step explanation:

575.00 - 465.75 = 109.25

109.25/575.00 = 0.19

0.19 = 19%

575.00 - 465.75 = 109.25

109.25/575.00 = 0.19 = 19%

Therefore, the percentage decrease of the amount of available credit in Dylan's account is 19%.

Answer:

x = ±6

General Formulas and Concepts:

Pre-Algebra

Algebra II

Step-by-step explanation:

Step 1: Define

-x² = -36

Step 2: Solve for x

Step 3: Check

Plug in x to verify it's a solution.

Here we see that both -6 and 6 do indeed work as solutions.

∴ x = ±6 are both solutions to the equation.