how many vertices is a pentagon

Answer: (0, 48)

Step-by-step explanation:

To find the y-intercept, plug the x and y values in the equation y = -3x + b, and leave the b the same.

I will use (11, 15)

15 = -3(11) + b

15 = -33 + b

48 = b

The y-intercept is (0, 48)

Equation is y = -3x + 48

Hope this helps!

Answer:

3750

Step-by-step explanation:

Answer:

25,000 x 0.15 =3750

Step-by-step explanation:

When solving proportions, we set the cross products equal, and then we solve for the unknown variable.

When solving proportions, we set the cross products equal to each other and then proceed to solve for the unknown variable. A proportion is an equation that states that two ratios or fractions are equal. To solve a proportion, we first identify the two ratios involved and set their cross-products equal.

For example, consider the proportion: a/b = c/d

To solve for the unknown variable, we set the cross products (a * d) and (b * c) equal:

a * d = b * c

This equation allows us to find the value of the unknown variable by manipulating the equation through multiplication or division to isolate the variable on one side of the equation.

By setting the cross products equal, we essentially establish an equality between the two ratios, indicating that the fractions on either side of the proportion are equivalent. Solving for the unknown variable allows us to determine its value based on the relationship between the given ratios.

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Secondary data analysis type of research should jane conduct .

What does a secondary data approach entail?

The information that has previously been gathered from primary sources and made easily accessible for use in other researchers' studies is referred to as secondary data.

                        This particular type of data has already been gathered in the past. Data that has already been obtained by another party is referred to as secondary data.

What does secondary analysis research methodology entail?

Utilizing data that has already been collected for a previous study in order to pursue a research interest separate from the original work is known as secondary analysis.

                                   This interest could be a new research question or a different way of looking at the original question.

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The terms syllabic, melismatic, and neumatic are all related to the number of notes in relation to each syllable of a text. Syllabic means that each syllable of the text is sung to one note.

This is the simplest type of setting for text to music. In contrast, melismatic means that each syllable of the text is sung to many notes, creating a more intricate and ornamental melody. Neumatic is somewhere in between syllabic and melismatic, where each syllable is sung to a few notes, but not as many as in a melismatic setting.

Syllabic, melismatic, and neumatic all describe the relationship between the number of notes and each syllable of a text.

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The table with the scale measurements is given by the image shown at the end of the answer.

The measurements are obtained applying the proportion given for each table.

The symbols are given as follows:

For the first table, we have that every inch on the table represents one feet in real life, hence:

For the second table, we have that every inch on the paper represents two feet in real life, hence the measurements are given as follows:

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Answer:

2.9 to the 4th power

Step-by-step explanation:

Range of values of the variable p is  \(0\leq p\leq \frac{10}{3}\)

Step-by-step explanation:

From general quadratic equation \(ax^{2} +bx+c\), for imaginary case-

\(D\leq 0\\b^2-4ac\leq 0\)

In given question, \(a= p+2\), \(b=2p\), \(c= 5-p\)

using above condition-

\(b^2-4ac = 4p^2-4(2p)(5-p)\leq 0\\4p^2 - 40p+8p^2\leq 0\\12p^2-40p\leq 0\\4p(3p-10)\leq 0\)

Here, \(4p\leq 0, p\leq 0\)

and

\(3p-10\leq 0\\p\leq \frac{10}{3}\)

Therefore, range of values of the variable p is  \(0\leq p\leq \frac{10}{3}\).

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To rank the steps involved in transforming one couple to another couple in a parallel plane, here is the correct order:

Identify the initial couple and the desired final couple.

Determine the translation vector that will move the initial couple to the desired final couple.

Translate the initial couple using the determined translation vector. This will shift the entire couple in the parallel plane.

Verify that the translation has successfully moved the initial couple to the desired final couple.

If necessary, make any additional adjustments or transformations to align the initial and final couples precisely in the parallel plane.

Confirm that the final couple is now in the desired position and orientation relative to the initial couple, maintaining the parallelism of the plane.

By following these steps in order, you can effectively transform one couple to another in a parallel plane.

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Answer: 1. \(x=-2\); 2. \(x=\frac{11}{9}\)

Step-by-step explanation :

1.

\(6-5x=16\\6-5x-6=16-6\\-5x=10\\\frac{-5x}{-5}=\frac{10}{-5}\\x=-2\)

2.

\(4-9x=-7\\4-9x-4=-7-4\\-9x=-11\\\frac{-9x}{-9}=\frac{-11}{-9}\\x=\frac{11}{9}\)

Answer:

Q1)   x =2         Q2)     x = 11/9

Step-by-step explanation:

Q1)   6 - 5x = 16                  check : -5(2) = -10

-6         -6                     6 -- 10 =  6+ 10 = 16

-5x = 10                         Q2)   4 - 9x = -7

-x = -2                                    -4           -4  

x = 2                                      -9x = - 11

--------------                               -x = -11 /9    ----->  x = 11/9

The content dimension of a message deals with the what of a message, while the relational dimension of a message deals with the how of a message is the correct answer.

Content dimensions is a generic concept to have multiple variants of a content node. It involves the information being explicitly discussed. The content repository supports any number of dimensions. The content dimension is the meaning of the actual message itself.

"Relational dimension of communication is a concept in which we have similar weight and impact as that of the message. This concept deals with the quality or nature of the relationships and networks."

Hence we can conclude that the content dimension of a message deals with the what of a message, while the relational dimension of a message deals with the how of a message is the correct answer.

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The slope of the line from the given points will be equal to 3/2 in the simplest form.

It is possible to determine a line's direction and steepness by looking at its slope. Finding the slope between lines inside a coordinate plane can aid in anticipating if the lines are perpendicular, parallel, or none at all without physically using a compass.

As per the given points in the question,

(1, -9) and (4, -7).

x1 = 1 and x2 = 4

y1 = -9 and y2= -7

Slope  = (x2- x1)/(y2- y1)

= (4 - 1)/(-7 - (-9))

Slope = 3/2

Therefore, the slope of the line will be 3/2.

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Answer:

The GCF (Greatest Common Factor) of 15 and 77 is 1.

Answer:

1. 7¹⁰

2. 9⁸

Step-by-step explanation:

1. 7 = 7¹

Hence, using the rules of indices..... you would add the exponents when numbers that have the same base are multiplied together.

7⁹⁺¹ = 7¹⁰

2. Add exponents

9²⁺⁶ = 9⁸

The simplified expression for dx is -2 / (2√(x-x²)) and the value of dx when x = 0.5 is approximately 0.877.

To find the simplified expression for dx, we'll differentiate the given function f(x) = sin(x). Since the derivative of sin(x) is cos(x), the expression for dx simplifies to:

dx = cos(x)

Since no specific value or condition is given for x, we can leave it as cos(x) without further simplification.

(d) To find the value of dx when x = 0.5, we substitute the value of x into the expression for dx, which is cos(x):

dx = cos(0.5)

Evaluating cos(0.5) using a calculator or trigonometric table, we find that cos(0.5) is approximately 0.877. Hence, the value of dx when x = 0.5 is approximately 0.877.

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Answer:

\(m = \frac{ - 5 - 1}{2 - ( - 3)} = - \frac{6}{5} \)

Answer:

A) y=x+4 b) $12

Step-by-step explanation:

As shown on the graph,

A) select two typical coordinates

{Two points define a straight line}

(12,6) (16,20)

the slope = 20/16-16/12= 4/4=1

y=x+4

b) when x=8

y=8+4=12

Given that,

Distance travelled by the car in 2 hours = 150 km

We have to find the speed of the car.

Let us assume it be x km/hr.

Speed = Distance/Time

As per the formula,

Speed of the car = 150/2 km/hr

                            = 75 km/hr

Therefore, the speed of the car if the speed remains the same throughout the trip is 75 km/hr.

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According to Westgard and CLIA , 40-100  specimens should be run by each method on the same day for 8 to 20 days to compare a test method with a comparative method.

CLIA stands for  Clinical Laboratory Improvement Amendments  . The regulations under CLIA includes, the federal standards which is applicable to all U.S. facilities or sites which are test human specimens for health assessment or it is used to diagnose, prevent, or treat disease.

The Federal Register is the official daily publication for federal agencies and the organization's notices, proposed regulations, and final rules, as well as executive orders and other presidential papers. The regulations published in the Code of Federal Regulations and enforced by federal agencies are known as final rules.

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Answer:

22500 words/ 5 hours= 4500 words per hour

4500 words per hour/60 minutes per hr= 75 words per minute

Step-by-step explanation:

i just did it

Answer:

\(v(t) = 4(t -7)(t +1)\)

Step-by-step explanation:

Given

\(v(t) = 4t^2 - 24t - 28\)

Required

Rewrite in a different form

To write in a factored form, we have:

\(v(t) = 4t^2 - 24t - 28\)

Expand

\(v(t) = 4t^2 +4t- 28t - 28\)

Factorize

\(v(t) = 4t(t +1)- 28(t +1)\)

Factor out t + 1

\(v(t) = (4t -28)(t +1)\)

Factorize 4t - 28

\(v(t) = 4(t -7)(t +1)\)

Answer:

x=5, y=−5

Step-by-step explanation:

3×(6x+y=25)

→18x+3y=75

→(18x+3y=75)+(2x−3y=25)

→20x=100

Contact Info

need more help add me on discord reseller#0001

If I helped please give a brainliest!

Answer:

30 deg  9 sec  50 min

Step-by-step explanation:

First borrow 1 degree (equivalent to 60 seconds) from the 50', obtaining:

60 deg 49 sec 100 min

-30 deg 40 sec 50 min

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

30 deg  9 sec  50 min

Answer:

Step-by-step explanation:

I had this exact question and I figured it out.

the answer is: P(police officer and chooses car)

In order to get this answer I did the P(police officer) X P(choosing car)

It ended up being 36/45 X 15/45. Which is equal to around .2666667.

Now you take the Intersection of police officer and chooses car and you divide it by 45. That value on the chart is 12.

lucky enough, the product of 36/45 and 15/45 is equal to 12/45.

So 0.8 X 0.33 = .26

.26 = .26

Answer:

answer is P(police officer and chooses car)

Step-by-step explanation:

the probability of P(policer officer) and P(choose a car) are independent probabilities ( they are not overlapping probabilities)

a.we get, `A = √(2α³/π)`.

b.`⟨H⟩ = (3/4)hω - (h²/4ma²)` where `a = α/√(mω/h)`.

c.we can say that the variational principle is valid in this case.

(a) Let's find the normalization constant A.

We know that the integral over all space of the absolute square of the wave function is equal to 1, which is the requirement for normalization.  `∫⟨ψ|ψ⟩dx= 1`

Hence, using the given trial wavefunction, we get, `∫⟨ψ|ψ⟩dx = ∫ |A/(x^2+α²)|²dx= A² ∫ dx / (x²+α²)²`

Using a substitution `x = α tan θ`, we get, `dx = α sec² θ dθ`

Substituting these in the above integral, we get, `A² ∫ dθ/α² sec^4 θ = A²/(α³) ∫ cos^4 θ dθ`

Using the identity, `cos² θ = (1 + cos2θ)/2`twice, we can write,

`A²/(α³) ∫ (1 + cos2θ)²/16 d(2θ) = A²/(α³) [θ/8 + sin 2θ/32 + (1/4)sin4θ/16]`

We need to evaluate this between `0` and `π/2`. Hence, `θ = 0` and `θ = π/2` limits.

Using these limits, we get,`⟨ψ|ψ⟩ = A²/(α³) [π/16 + (1/8)] = 1`

Therefore, we get, `A = √(2α³/π)`.

Hence, we can now write the wavefunction as `ψ(x) = √(2α³/π)/(x²+α²)`.  

(b) Using the wave function found in part (a), we can now determine the expectation value of energy using the time-independent Schrödinger equation, `Hψ = Eψ`. We can write, `H = (p²/2m) + (1/2)mω²x²`.

The first term represents the kinetic energy of the particle and the second term represents the potential energy.

We can write the first term in terms of the momentum operator `p`.We know that `p = -ih(∂/∂x)`Hence, we get, `p² = -h²(∂²/∂x²)`Using this, we can now write, `H = -(h²/2m) (∂²/∂x²) + (1/2)mω²x²`

The expectation value of energy can be obtained by taking the integral, `⟨H⟩ = ⟨ψ|H|ψ⟩ = ∫ψ* H ψ dx`Plugging in the expressions for `H` and `ψ`, we get, `⟨H⟩ = - (h²/2m) ∫ψ*(∂²/∂x²)ψ dx + (1/2)mω² ∫ ψ* x² ψ dx`Evaluating these two integrals, we get, `⟨H⟩ = (3/4)hω - (h²/4ma²)` where `a = α/√(mω/h)`.

(c) Since we have an approximate ground state wavefunction, we can expect that the expectation value of energy ⟨H⟩ should be greater than the true ground state energy.

Hence, the value obtained in part (b) should be greater than the true ground state energy obtained by solving the Schrödinger equation exactly.

Therefore, we can say that the variational principle is valid in this case.

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Answer:

greater than 1

Step-by-step explanation:

the pre- image is LMNP

the image is L'M'N'P'

Size wise if :

pre-image = image → scale factor is 1 ( stayed the same)

pre-image < image → scale factor greater than 1 ( dilated/become bigger)

pre-image > image → scale factor is less than 1 (shrunk/ become smaller)

In our case:

pre- image LMNP < image L'M'N'P'→ scale factor greater than 1

Answer:

a. already done

b. x=3, x=4, and x=5

c. x=2, x=3, x=4, and x=6

Step-by-step explanation:

The < symbol means less than, so all values of x less than what is stated are correct

The ≤ symbol means less than or equal to, so all values of x less than, and what is stated are correct

The answer is in the screenshot.
Let me know if it helps

To eliminate the connective from a biconditional like (P& R) ≡ Q and derive either part of the compound, you must know that either the left side (P&R) is true or the right side Q is true.

Therefore, options b and e apply. Option a is not necessarily true as the biconditional could be false. Option c is only applicable for deriving the truth of Q, not the left side.

Option d and f are incorrect answers and choosing them carries a penalty of one point per answer chosen.

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he probability mass function (PMF) of the random variable W = min(X, Y), we need to determine the probability that W takes on each possible value.

Let's consider each possible value of W:

When W = 1, it means that either X = 1 and Y can be any value from 1 to 10, or Y = 1 and X can be any value from 1 to 10. Since the joint PMF is given as 0.01 for all valid X and Y, the probability of W = 1 is the sum of these probabilities:

P(W = 1) = P(X = 1, Y) + P(X, Y = 1)

= 0.01 * 10 + 0.01 * 10

= 0.2

When W = 2, it means that either X = 2 and Y can be any value from 2 to 10, or Y = 2 and X can be any value from 2 to 10. Similarly, we calculate the probability:

P(W = 2) = P(X = 2, Y) + P(X, Y = 2)

= 0.01 * 9 + 0.01 * 9

= 0.18

Continuing this process for each possible value of W, we find that for W = 3 to 10, the probability is:

P(W = 3) = P(X = 3, Y) + P(X, Y = 3) = 0.01 * 8 + 0.01 * 8 = 0.16

P(W = 4) = P(X = 4, Y) + P(X, Y = 4) = 0.01 * 7 + 0.01 * 7 = 0.14

P(W = 5) = P(X = 5, Y) + P(X, Y = 5) = 0.01 * 6 + 0.01 * 6 = 0.12

P(W = 6) = P(X = 6, Y) + P(X, Y = 6) = 0.01 * 5 + 0.01 * 5 = 0.1

P(W = 7) = P(X = 7, Y) + P(X, Y = 7) = 0.01 * 4 + 0.01 * 4 = 0.08

P(W = 8) = P(X = 8, Y) + P(X, Y = 8) = 0.01 * 3 + 0.01 * 3 = 0.06

P(W = 9) = P(X = 9, Y) + P(X, Y = 9) = 0.01 * 2 + 0.01 * 2 = 0.04

P(W = 10) = P(X = 10, Y) + P(X, Y = 10) = 0.01 * 1 + 0.01 * 1 = 0.02

Since W can take on values from 1 to 10, and the probabilities for each value are as calculated above, we have determined the PMF of W:

P(W = 1) = 0.2

P(W = 2) = 0.18

P(W = 3) = 0.16

P(W = 4) = 0.14

P(W = 5) = 0.12

P(W = 6

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The point P is (9, 2, 12).

To find the point P, we need to add the vector v = PQ to the given point 0.

Given that v = PQ has the components (7, 6, 9) and the point 0 has the components (2, -4, 3), we can calculate the coordinates of point P as follows:

P = 0 + v = (2 + 7, -4 + 6, 3 + 9) = (9, 2, 12)

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