Complete the following sentence. (Lesson 0-1)
54 in .= ? ft

The value of x in the heptagon shown in the diagram is: 110°.

A heptagon can be described as a polygon that has 7 sides and 7 interior angles. Where n is the number of sides of an n-sided polygon, the formula for finding the total sum of the polygon is:

(n - 2)180.

Therefore, the sum of the interior angles of the heptagon = (5 - 2)180 = 900°.

This means that all the angles in the heptagon shown in the diagram would be equal to 900°. Therefore:

135 + 125 + 105 + 140 + 135 + 150 + x = 900

790 + x = 900

x = 900 - 790

x = 110°.

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let's move like the crab, backwards, let's get hmmm EF first

\(\begin{array}{llll} \textit{using the pythagorean theorem} \\\\ a^2+o^2=c^2\implies o=\sqrt{c^2 - a^2} \end{array} \qquad \begin{cases} c=\stackrel{hypotenuse}{17}\\ a=\stackrel{adjacent}{10}\\ o=\stackrel{opposite}{EF} \end{cases} \\\\\\ EF=\sqrt{ 17^2 - 10^2}\implies EF=\sqrt{ 189 }\implies EF\approx 13.7 \\\\[-0.35em] ~\dotfill\)

\(\sin( F )=\cfrac{\stackrel{opposite}{10}}{\underset{hypotenuse}{17}} \implies \sin^{-1}(~~\sin( F )~~) =\sin^{-1}\left( \cfrac{10}{17} \right) \\\\\\ F =\sin^{-1}\left( \cfrac{10}{17} \right)\implies F \approx 36^o \\\\[-0.35em] ~\dotfill\\\\ \cos(D )=\cfrac{\stackrel{adjacent}{10}}{\underset{hypotenuse}{17}} \implies \cos^{-1}(~~\cos( D )~~) =\cos^{-1}\left( \cfrac{10}{17} \right) \\\\\\ D =\cos^{-1}\left( \cfrac{10}{17} \right)\implies D \approx 54^o\)

Make sure your calculator is in Degree mode.

In a case whereby letters in the word bubble are arranged in a row the number of unique arrangements that are there  in the letters is 120.

From the question we were given the word, bubble  which can be recognized as 6! arrangements  however we know that the  3 B’s are interchangeable, from the word which is to be arranged, and we can see that there are 6 letters all together in the word and can be arranged as;

6!/3!

= 720/6

= 120

Hence, we can conclude the arangement here is 120 unique wayas.

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Answer:

v = 130

w = 30

x = 100

y = 25

z = 30

Step-by-step explanation:

Answer:

3.21

Step-by-step explanation:

.........................

Answer: it's 7.

Step-by-step explanation:

Answer: D 353

Step-by-step explanation:

you can do it on math calculus calulator

Answer:

x = 3

Step-by-step explanation:

<=> 2^x + 2^x + 2^x + 2^x = 32

<=> 4x2^x=32

<=> 2^x = 8

<=> x = 3

Answer:

Sale Price: 276.25

Step-by-step explanation:

The original price of the item is $325 and the markdown is 15% off.

So, all you have to do is find out what 15% of $325, which it's 48.75, and subtract that from $325 to get your final sale price, which is $276.25.

To find the expected value of a specific doubly noncentral F distribution, we need to know its degrees of freedom parameters and noncentrality parameters, and then use the above formula. It is worth noting that there is no closed form expression for the CDF or PDF of a doubly noncentral F distribution, so numerical methods are usually required to compute probabilities and other statistical measures.

The expected value of a doubly noncentral F distribution is given by the formula: E(F) = [df1 * (ncp2 + df2)] / [(df1 - 2) * ncp1]

where df1 and df2 are the degrees of freedom parameters for the numerator and denominator chi-square distributions, respectively, and ncp1 and ncp2 are the noncentrality parameters.

Note that the expected value exists only if df1 > 2.

This formula can be derived using the moment-generating function of a doubly noncentral F distribution.

Therefore, to find the expected value of a specific doubly noncentral F distribution, we need to know its degrees of freedom parameters and noncentrality parameters, and then use the above formula.

It is worth noting that there is no closed form expression for the CDF or PDF of a doubly noncentral F distribution, so numerical methods are usually required to compute probabilities and other statistical measures.

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Answer:

$925

Step-by-step explanation:

Week 1

Wage : 10x30=$300

Commission: 2000 x 5% = $100

Week 2

Wage ; 10x40=$400

Commission : 2500 x 5$ = $125

Add all together to get the total income for both weeks

$300 + $100 + $400 + $125 = $925 for the two week period including wages plus commission

David earns $925 in wages plus commission for both weeks combined.

To calculate the commission,

Multiply the sale price with the commission percentage and divide it by 100.

I.e., sale price × commission percentage/100

The commission percentage for every electronic item sold = 5%

Week 1:

Wage = $10.00 × 30 = $300

Commission = $2000 × (5/100) = $100

Wage + Commission = $300 + $100 = $400

Week 2:

Wage = $10.00 × 40 = $400

Commission = $2500 × (5/100) = $125

Wage + Commission = $400 +$125 = $525

Thus, for both weeks,

Wage + commision = $400 + $525 = $925

So, David earns $925 in wages plus commission for both weeks combined.

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Answer:D. They have tried many things, including, petitions, argument, pleas to parliament and to the crown

Step-by-step explanation:

In order to solve for the expected value of W, we first need to calculate the value of W. From Problem 5.2.1, we know that W = X + Y. Therefore, the expected value of W can be found by taking the sum of the expected values of X and Y. That is, E[W] = E[X] + E[Y].

Next, we need to calculate the correlation, rx,y. This requires us to find the covariance, Cov[X, Y], and the variances of X and Y. Using the results from Problem 5.3.1, we know that Var[X] = 6 and Var[Y] = 4. Additionally, Cov[X, Y] = 2.

Therefore, rx,y = Cov[X, Y] / (sqrt(Var[X]) * sqrt(Var[Y])) = 2 / (sqrt(6) * sqrt(4)) = 0.5.

To find the correlation coefficient, Px,y, we simply square the correlation: Px,y = rx,y^2 = 0.25.

Finally, to find the variance of X Y, Var[X Y], we can use the formula Var[X Y] = Var[X] + Var[Y] + 2Cov[X, Y] = 6 + 4 + 2(2) = 14.

In summary, (a) E[W] = E[X] + E[Y], (b) rx,y = Cov[X, Y] / (sqrt(Var[X]) * sqrt(Var[Y])), (c) Cov[X, Y] = 2, (d) Px,y = rx,y^2, (e) Var[X Y] = Var[X] + Var[Y] + 2Cov[X, Y].
In order to address your question, let's first briefly define the terms mentioned:

1. Covalent: This term is not relevant to the context of your question, as it pertains to a type of chemical bond.
2. Variable: A quantity that can take on different values in a given context.
3. Correlation: A statistical measure of the degree to which two variables change together.

Now, let's consider the random variables X and Y in Problem 5.2.1:

(a) To find the expected value of W, we need more information about W, which is not provided in the question.

(b) The correlation, rX,Y, is the measure of the linear relationship between the variables X and Y. To calculate it, we can use the formula rX,Y = E[XY] - E[X]E[Y], where E denotes the expected value.

(c) The covariance, Cov[X, Y], is a measure of how two variables change together. It can be calculated using the formula Cov[X, Y] = E[XY] - E[X]E[Y].

(d) The correlation coefficient, ρX,Y, is a standardized measure of the linear relationship between two variables. It can be calculated using the formula ρX,Y = Cov[X, Y] / (σXσY), where σX and σY represent the standard deviations of X and Y, respectively.

(e) The variance of X Y, Var[X Y], is a measure of the spread of the combined variable XY. It can be calculated using the formula Var[X Y] = E[(XY)^2] - (E[XY])^2.

To answer these questions, you would need the relevant data from Problems 5.2.1 and 5.3.1, such as the expected values and standard deviations of X and Y. With the given information, we can only provide the formulas and general understanding of the terms.

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Answer:

- 125

Step-by-step explanation:

Should be D. if I'm correct. This pair of angles doesn't seem to be in the right position to form a 90 degree or a 180 degree angle, ruling out supplementary and complementary angles, and they definitely aren't vertical angles, leaving only choice D: None of the above.

Bayesian regression with undirected network predictors offers a powerful framework for analyzing brain connectome data and gaining a deeper understanding of the relationships between brain connectivity and various outcomes of interest.

Bayesian regression with undirected network predictors refers to a statistical modeling approach that combines Bayesian inference principles with regression analysis when the predictors are represented as an undirected network. This approach is particularly useful when dealing with data that has a network structure, such as brain connectome data.

In the context of brain connectome data, a connectome represents the structural or functional connectivity between different regions or nodes of the brain. Each node can be seen as a predictor variable, and the relationships between nodes are represented by edges in the network.

Bayesian regression allows for flexible modeling of the relationships between predictors and the response variable, taking into account uncertainty in the parameter estimates. By incorporating the network structure of the predictors, Bayesian regression with undirected network predictors can capture complex dependencies and interactions among brain regions, providing insights into the relationships between brain connectivity and the outcome of interest.

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The true statements about the system of equations are:

Systems A and B have different solutions and we see this because when System B is simplified, it will not look like A.

This is different from Systems A and C which actually have the same solution.

This is shown by the fact that when System C is simplified by dividing the second equation by 3, we get:

4x - y = 18

This shows that System A and System C are the same and so will have the same solution.

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Answer:

this is your answer........

Answer:

22

Step-by-step explanation:

The 309.3333 is the base amount of seniors that graduate each year, the x is the number of years, so the 21.8571 is the number of students they increase by. This answer is 100% I took the final and got it right. Hope this helps!!  :)

Answer:

22

Step-by-step explanation:

Answer:

c=7

Step-by-step explanation:

−5c+5=4c−58

Subtract 4c from both sides.

−5c+5−4c=4c−58−4c

−9c+5=−58

Subtract 5 from both sides.

−9c+5−5=−58−5

−9c=−63

Divide both sides by -9.

-9c/-9= -63/-9

c=7

The length of the hypotenuse is 8√2 units.

According to the Pythagoras theorem, we can write -

        (hypotenuse)² = (base)² + (perpendicular)²

        (h)² = (b)² + (p)²

Given is a 45 - 45 - 90 triangle with a leg length of 8.

Equal Opp. Angles Theorem -

We can write using the Pythagoras theorem as -

x² = 8² + 8²

x² = 64 + 64

x² = 128

x = √(2 x 2 x 2 x 2 x 2 x 2 x 2)

x = √(2² x 2² x 2² x 2 )

x = 8√2

Therefore, the length of the hypotenuse is 8√2 units.

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Answer: 

Answer:\( m\angle A = 72\degree \m\angle B = 108\degree \) Step-by-step explanation:ABCD is a parallelogram. Since, op

The correct answer is option is option d) not exact but having an integrating factor x c e.

Integrating factor is defined as the function which is selected in order to solve the given differential equation. It is most commonly used in ordinary linear differential equations of the first order. When the given differential equation is of the form; dy/dx + P(x) y = Q(x)

We have, (x2+y2)dy= -xydx

⇒dxdy= -(x2+y2xy)

Substitute y=vx

⇒ - dxdy=v+xdxdv

⇒v+xdxdv= -(1+v2v)

⇒ xdxdv= -(1+v2v−v)

            = -(−1+v2v3)

⇒v31+v2dv =xdx

Integrating both sides we get, −2v21+logv= logx-logc, where c is constant

⇒−2v21+log(cvx)=0

⇒y=cex2/2y2

Now using y(1)=1⇒c=e−1/2

Also y(x0)=e

⇒e=e−1/2+x02/2e2⇒1=−1/2+x02/2e2

⇒x02=3e2

⇒x0=\(\sqrt{3}\)e

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Supposing that the stock increases in 37 days, the 95% confidence interval for the proportion of days JMJ stock increases is: (0.484, 0.7292)

In a sample with a number n of people surveyed with a probability of a success of \(\pi\), and a confidence level of \(\alpha\), we have the following confidence interval of proportions.

\(\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}\)

In which

z is the z-score that has a p-value of \(\frac{1+\alpha}{2}\).

Supposing that it increases on 37 out of 61 days:

\(n = 61, \pi = \frac{37}{61} = 0.6066\)

95% confidence level

So \(\alpha = 0.95\), z is the value of Z that has a p-value of \(\frac{1+0.95}{2} = 0.975\), so \(z = 1.96\).  

The lower limit of this interval is:

\(\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.6066 - 1.96\sqrt{\frac{0.6066(0.3934)}{61}} = 0.484\)

The upper limit of this interval is:

\(\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.6066 + 1.96\sqrt{\frac{0.6066(0.3934)}{61}} = 0.7292\)

The ​95% confidence interval for the proportion of days JMJ stock increases is (0.484, 0.7292), in which 0.484 is the lower bound and 0.7292 is the upper bound.

The interpretation is that we are 95% sure that the true proportion of all days in which the JMJ stock increases is between 0.484 and 0.7292.

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You have a total of six different ways to select a snack and a beverage at the amusement park.

To determine the number of different ways you can select a snack and a beverage, we can use the concept of combinations.

Let's analyze the options:

Snack: You can choose either a chili dog or popcorn. This gives us 2 choices for the snack.

Beverage: You can choose either lemonade, an energy drink, or water. This gives us 3 choices for the beverage.

To calculate the total number of combinations, we multiply the number of choices for the snack by the number of choices for the beverage. Therefore, the number of different ways to select a snack and a beverage is 2 (choices for snack) multiplied by 3 (choices for beverage), which equals 6.

In other words, there are six different combinations possible:

Chili dog and lemonade

Chili dog and energy drink

Chili dog and water

Popcorn and lemonade

Popcorn and energy drink

Popcorn and water

So, when considering all the options, you have a total of six different ways to select a snack and a beverage at the amusement park.

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Answer:

Step-by-step explanation:

As per diagram, the two triangles are similar, as all angles are congruent (one is vertical, one is right, one is the

Let the distance across the river be x.

The ratio of corresponding sides is same. Find x using ratios:

Answer:

56.25

Step-by-step explanation:

I took the quiz.

The option that is the best buy is option 3.

The best buy is the option that has the lowest average cost. Average cost is the total cost of the bottles divided by the number of bottles.

Average cost = total cost / number of bottles

Option 1: $8.75 / 5 = $1.75

Option 2: $5.97 / 3 = $1.99

Option 3: $6.36 / 4 = $1.59

Option 4: $12.60 / 7 = $1.80

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Answer:

10m + 16

-5y + 15

Step-by-step explanation:

-3m + 16 - (-13m) =

= -3m + 16 + 13m

= 10m + 16

15y - 20y + 15 =

= -5y + 15

Answer: parallelograms