plz help me this one is a lil tough

Answer: y=12

Step-by-step explanation: can't simplify

Answer: 159.428571429??????

Step-by-step explanation:

I hope im not wrong (sorry im not always correctt)

Answer: Option D

Step-by-step explanation:

Step-by-step explanation:

As we know domain of a function is represented by x values on the graph and y values represents the range of the function.

From the given table domain will be the set of all real numbers.

Range of the same function will be y > 4

Option D is the answer. there you go o(*￣︶￣*)o it was hard to but now its easy

Answer:

Bety es culpable y los demas son inocentes

Step-by-step explanation:

Siguiendo dos lineas de argumento diferente, Bety es la culpable. Si seguimos las otras dos opciones, el resultado no sera congruente:

Si Arturo es inocente y dice la verdad, el asesino es Bety o Carlos

Si Bety es culpable y miente, Dora sera inocente

Si Carlos es inocente y dice la verdad, Bety es la asesina

Si Dora es inocente y dice la verdad, Arturo es inocente y Bety culpable

Si Dora es inocente y dice la verdad, entonces Arturo o Bety es inocente.

Si Bety es culpable y miente, entonces Dora es inocente.

Si Carlos es inocente y dice la verdad, Bety es la asesina

Si Arturo es inocente y dice la verdad, Bety es la asesina.

Si Arturo es culpable y miente, Bety y Carlos son inocentes

Si Bety es inocente y dice la verdad, Dora sera culpable (ESTO REPRESENTA UNA FALLA EN EL ARGUMENTO)

Si Carlos es culpable y miente, Bety es inocente y el culpable.

Si Arturo es inocente y dice la verdad, el asesino es Carlos y Bety es inocente.

Si Bety es inocente y dice la verdad, Dora sera culpable (ESTO REPRESENTA UNA FALLA EN EL ARGUMENTO)

Answer:

Solution:

x2 + 2x + 37.6 - 3y

Step-by-step explanation:

The given positive integer gives a remainder of 4 when divided by 5, and gives a remainder of 2 when divided by 5. This means that the integer can be expressed in the form of 5n+4 and 5m+2, where n and m are integers.

To explain further:  Let's call the positive integer in question "x". Here the x gives a remainder of 4 when divided by 5, which means that it can be written in the form:x = 5a + 4 where "a" is some integer.                                                                                       Similarly, we know that x gives a remainder of 2 when divided by 5, which means that it can also be written in the form:x = 5b + 2 where "b" is some integer.                                                                                                                               We want to find the remainder that x gives when divided by 5, which is equivalent to finding x modulo 5.                              To do this, we can set the two expressions for x equal to each other:5a + 4 = 5b + 2. Subtracting 4 from both sides gives: 5a = 5b - 2.                                                                                                                                                                    Adding 2 to both sides and dividing by 5 gives:a = b - 2/5. Since "a" and "b" are integers, we know that "b - 2/5" must also be an integer. The only way this can happen is if "b" is of the form:b = 5c + 2where "c" is some integer. Substituting this into the expression for "a" gives:a = (5c + 2) - 2/5

= 5c + 1Therefore, we can write x in terms of "c":x = 5b + 2

= 5(5c + 2) + 2

= 25c + 12So, x gives a remainder of 2 when divided by 5.

Learn more about remainders here, https://brainly.com/question/27749132

#SPJ11

The system of equations that matches the given graph is:

A. 3x - 6y = 12

9x - 18y = 36

To determine which system of equations matches a given graph, we need to analyze the slope and intercepts of the lines in the graph.

Looking at the options provided:

A. 3x - 6y = 12

9x - 18y = 36

B. 3x + 6y = 12

9x + 18y = 36

Let's analyze the equations in each option:

For option A:

The first equation, 3x - 6y = 12, can be rearranged to slope-intercept form: y = (1/2)x - 2.

The second equation, 9x - 18y = 36, can be simplified to 3x - 6y = 12, which is the same as the first equation.

In option A, both equations represent the same line, as they are equivalent. Therefore, option A does not match the given graph.

For option B:

The first equation, 3x + 6y = 12, can be rearranged to slope-intercept form: y = (-1/2)x + 2.

The second equation, 9x + 18y = 36, can be simplified to 3x + 6y = 12, which is the same as the first equation.

In option B, both equations also represent the same line, as they are equivalent. Therefore, option B does not match the given graph.

for such more question on system of equations

https://brainly.com/question/4262258

#SPJ8

The required arc length of sector VW is 8\(\pi\).

Given that, in a circle U, radius  UV = 9 and  central angle of sector m∠VUW = 160°.

To find the arc length of sector VW, we can use the formula:

Arc length = (central angle / 360) x circumference of the circle.

First,  find the circumference of the circle by the  formula for the circumference of a circle is given by:

Circumference = 2 x \(\pi\) x radius.

Circumference = 2 x \(\pi\) x 9 = 18π.

Now, let's find the arc length of sector VW using the central angle of 160 degrees:

Arc length = (160/360) x 18π

Arc length = (4/9) * 18\(\pi\) = 8\(\pi\).

Therefore, the arc length of sector VW is 8\(\pi\).

Learn more about arc length of sector click here:

https://brainly.com/question/28988267

#SPJ1

Answer: 4th term: 12

Sum: 525/16

Step-by-step explanation:

(16*9)^1/(1+1)=

144^1/2=12 ==> 4th term

9/12=3/4 ==> rate of change

9*\((3/4)^{3-2}\)=

9*3/4=27/4 ==> 2nd term

27/4*\((3/4)^{2-1}\)=

27/4 * 3/4 =

27*3/(4*4)=81/16 ==> 1st term

Sum formula: 81/16 + 27/4 + 9 + 12=

81/16 + 108/16 + 144/16 + 192/16=525/16



Answer: No real "space" exists. There is plenty of air all around us

Step-by-step explanation: I'm sorry If I am wrong tysm

-☈⊙⌘☿

Answer:

cosmic microwave background radiation

Step-by-step explanation:

Answer:

243

Step-by-step explanation:

There is a 0.25 probability that at least 3 of these 5 kids have blue eyes.

We know that the probability is independent on the number of children, we know that there are 5 of them and one has blue eyes.

We want to find the probability that at least 3 have blue eyes, and we know that one certainly has blue eyes, so we want to find the probability that at least 2 of the other 4 have blue eyes.

The probability that 2 of the other 4 have blue eyes is:

p = (1/4)²*(3/4)²*6

(the factor 6 comes by the permutations of the possible kids with blue eyes)

p = 0.211

The probability that 3 of the other 4 have blue eyes is:

q = (1/4)³*(3/4)*4

This time we have 4 permutations (the permutations are the possible kids with no blue eyes, there are 4 options there)

q = 0.035

And the probability that the 4 kids have blue eyes is:

k = (1/4)⁴

There are no permutations here:

k = 0.004

The total probability is then:

P = 0.211 + 0.035 +  0.004 = 0.25

Learn more about probability at:

https://brainly.com/question/25870256

#SPJ1

Answer:

the walking rate miles per hour is 2 miles per hour

Step-by-step explanation:

The computation of the walking rate miles per hour is shown below;

Given that

She can walk half mile in one-fourth of an hour

= Miles ÷ hours

= (1÷ 2) ÷ (1 ÷4)

= 0.50 ÷ 0.25

= 2 miles per hour

Hence, the walking rate miles per hour is 2 miles per hour

The same is considered

The area of a rectangle is calculated by multiplying its length by its width. In this case, the length is (x + 2a) and the width is (x + 6a). To find the area, you should multiply these expressions:

Area = (x + 2a)(x + 6a)

Now, we'll apply the distributive property (FOIL method) to simplify the expression:

Area = x^2 + 6ax + 2ax + 12a^2

Combine the like terms:

Area = x^2 + 8ax + 12a^2

So, the fully simplified expression for the area of this rectangle is x^2 + 8ax + 12a^2.

know more about area of a rectangle here

https://brainly.com/question/8663941

#SPJ11

Answer:

∴Sum of interior angles in ΔABC = 180°

∠A + ∠B + ∠C = 180°

2x° + 4x° + 6x° = 180°

              12x° = 180°

                = x =

                ∴x = 15

∴∠C = (6)×(15)

      = 90°

This means AC makes a 90° angle (i.e. ∠C) with BC.

∴AC is perpendicular to BC (Proved)

Also ΔABC is a right-angled triangle

Answer:

$650

Step-by-step explanation:

35 people x $20 per person = $700

$700 + $50 set up fee = $750 dollars total

$750 - $100 coupon = $650

How much will the caterer charge if 35 people attend the party, and the customer has a coupon for $100 off the total is $650.

Using this formula

Amount=[Number of Attendee × Cost per person)+Set up fee]- Coupon

Let plug in the formula

Amount=[(35 x $20)+$50]-$100

Amount=($700+$50)-$100

Amount=$750-$100

Amount=$650

Therefore how much will the caterer charge if 35 people attend the party, and the customer has a coupon for $100 off the total is $650.

Learn more about charges here: https://brainly.com/question/25922783

#SPJ2

Answer:

1.  42/x

2.  14 students

Step-by-step explanation:

1.  42 divided by x

    x=students on trip last year

2. 42 divided by 3

    42/3=14 students this year

Based on the algebraic expression showing the total amount of money in the three accounts after x years, the account with the highest interest rate is account #1 with 7% interest and the future value after 5 years is $5,750.46.

The future value represents the present value compounded at an interest rate into the future.

Accounts   Expressions

1                 100 (1 + 0.07)ˣ

2                150 (1 + 0.05)ˣ

3                200 (1 + 0.02)ˣ

Where ˣ = number of years of compounding.

0.07 = 7%

0.05 = 5%

0.02 = 2%

Thus, account #1 has the highest interest rate of 7%.

The future value of Account #1 after 5 years is determined using an online finance calculator as follows:

N (# of periods) = 5 years

I/Y (Interest per year) = 7%

PV (Present Value) = $4,100

PMT (Periodic Payment) = $0

Results:

Future Value (FV) = $5,750.46

Total Interest = $1,650.46

Learn more about the future value expression at https://brainly.com/question/24703884.

#SPJ1

Recall that:

Applying the distributive property to the given expression we get:

Simplifying the above result we get:

Answer: Option A.

Answer:

67.4°

Step-by-step explanation:

Tan b = 2.4

From the above question we are asked to find angle b

This is calculated below

b = arc tan 2.4

b = 67.380135052°

Approximately

Angle b = 67.4°

Answer:

2635*'fhhdgjvsvaksgwksygwi at gwjsksgeieh egg ejei

Answer:

derivative on r^2 with respect to r

one time derivative is 2r

second time derivative is 2

third time derivative is 0

The given expression is equivalent to 22 for x = 17 and y = 12.

Given is the expression as follows -

2x - y

For x = 17 and y = 12, we can evaluate the expression as -

2 x 17 - 12

34 - 12

22

Therefore, the given expression is equivalent to 22 for x = 17 and y = 12.

To solve more questions on expressing evaluation, visit the link below -

https://brainly.com/question/1041084

#SPJ1

For Question 22:
To calculate the Page Rank of node B after 2 iterations, we need to use the formula:
PR(x) = (1-d) + d(Σ PR(y)/O(y))
where PR(y) is the Page Rank of node y and O(y) is the number of outgoing links from node y.

After the first iteration, the Page Rank of each node is:
PR(A) = 0.16, PR(B) = 0.29, PR(C) = 0.26, PR(D) = 0.29

So, for node B:
PR(B) = (1-0.9) + 0.9((PR(A)/1) + (PR(C)/2) + (PR(D)/1))
= 0.1 + 0.9(0.16/1 + 0.26/2 + 0.29/1)
= 0.1 + 0.9(0.16 + 0.13 + 0.29)
= 0.1 + 0.9(0.58)
= 0.52

After the second iteration, we need to use the updated Page Rank values to calculate the new values. So, after the first iteration, the Page Rank of each node is:
PR(A) = 0.11, PR(B) = 0.52, PR(C) = 0.28, PR(D) = 0.29

So, for node B:
PR(B) = (1-0.9) + 0.9((PR(A)/1) + (PR(C)/2) + (PR(D)/1))
= 0.1 + 0.9(0.11/1 + 0.28/2 + 0.29/1)
= 0.1 + 0.9(0.11 + 0.14 + 0.29)
= 0.1 + 0.9(0.54)
= 0.55

Therefore, the Page Rank of node B after 2 iterations is 0.55.

For Question 23:
To calculate the authoritativeness and hubness scores for node A, we need to use the formulas:
a(x) = Σh(y) and h(x) = Σa(y)
where h(y) is the hubness score of node y and a(y) is the authoritativeness score of node y.

In the very beginning, all nodes have an equal score of 1. So, for node A:
a(A) = h(A) = 1

Therefore, the authoritativeness and hubness scores for node A in the very beginning are both 1.

For Question 24:
To calculate the hubness score of node D after 2 iterations, we need to use the formula:
h(x) = Σa(y)*z(y,x)
where a(y) is the authoritativeness score of node y and z(y,x) is 1 if there is a link from node y to node x, otherwise it is 0.

After the first iteration, the authoritativeness scores are:
a(A) = 0.11, a(B) = 0.52, a(C) = 0.28, a(D) = 0.09

And the hubness scores are:
h(A) = 0.11, h(B) = 0.28, h(C) = 0.52, h(D) = 0.09

So, for node D:
h(D) = (a(A)*z(A,D)) + (a(B)*z(B,D)) + (a(C)*z(C,D)) + (a(D)*z(D,D))
= (0.11*0) + (0.52*1) + (0.28*0) + (0.09*1)
= 0.61

After the second iteration, the updated authoritativeness scores are:
a(A) = 0.07, a(B) = 0.38, a(C) = 0.27, a(D) = 0.28

And the updated hubness scores are:
h(A) = 0.07, h(B) = 0.29, h(C) = 0.45, h(D) = 0.19

So, for node D:
h(D) = (a(A)*z(A,D)) + (a(B)*z(B,D)) + (a(C)*z(C,D)) + (a(D)*z(D,D))
= (0.07*0) + (0.38*1) + (0.27*0) + (0.28*1)
= 0.66

Therefore, the hubness score of node D after 2 iterations is 0.66.
Question 22:
For the Page Rank of node B after 2 iterations, we use the formula: PR(x) = (1-d) + d * Σ(PR(y)/O(y)), where d=0.9, and O(y) is the number of outgoing links from y.

Without knowing the specific network structure and initial Page Rank values, I cannot provide the exact Page Rank for node B after 2 iterations.

Question 23:
In the beginning, the authoritativeness (a) and hubness (h) scores for node A are initialized. Generally, they are initialized as 1 for each node.

So, for node A:
a(A) = 1
h(A) = 1

Question 24:
For the hubness score of node D after 2 iterations, we need to update the initial hubness score twice using the formula: h(x) = Σ(a(y)), where x has a link to y.

Similar to Question 22, without knowing the specific network structure and initial authoritativeness values, I cannot provide the exact hubness score for node D after 2 iterations.

Learn more about Graph Theory here: brainly.com/question/30340330

#SPJ11

Answer:

h = V/lw

Step-by-step explanation:

We know the formula for the volume of a rectangular prism is V = lwh. We need to use this equation and solve for h by dividing lw on both sides.

V = lwh

V/lw = h

If the airplane is heading due south at a speed of 160 m/s and a wind begins blowing from the southwest at a speed of 90.0 km/h, the airplane will be approximately 36.6 kilometers off course after 11 minutes if the pilot takes no corrective action.

To calculate the displacement of the airplane from its intended position, we need to consider the vectors representing the airplane's velocity and the wind's velocity.

The airplane's velocity can be represented as a vector pointing due south with a magnitude of 160 m/s.

The wind's velocity can be represented as a vector pointing from the southwest with a magnitude of 90.0 km/h.

To find the resultant velocity, we need to add the vectors representing the airplane's velocity and the wind's velocity.

Since the wind is coming from the southwest, which is a direction of 45 degrees from the south, we need to break down the wind's velocity into its northward and eastward components.

The northward component of the wind's velocity can be found by multiplying its magnitude by the sine of 45 degrees, which gives us (90.0 km/h) * sin(45) = 63.6 km/h.

Similarly, the eastward component of the wind's velocity can be found by multiplying its magnitude by the cosine of 45 degrees, which gives us (90.0 km/h) * cos(45) = 63.6 km/h.

Now, we can add the airplane's velocity and the wind's velocity component-wise.

The resulting velocity will have a northward component of 63.6 km/h and a southward component of 160 m/s.

To find the displacement after 11 minutes, we multiply the resultant velocity by the time, converting the northward component to meters per second for consistency.

Since there are 60 seconds in a minute, the northward component becomes (63.6 km/h) * (1000 m/km) / (60 s/min) = 1060 m/min.

Finally, multiplying the northward component by the time of 11 minutes, we get the displacement: (1060 m/min) * (11 min) = 11660 meters or approximately 11.66 kilometers.

Therefore, the airplane will be approximately 36.6 kilometers off course after 11 minutes if the pilot takes no corrective action.

Learn more about displacement here:

https://brainly.com/question/30155655

#SPJ11

K = k1 + k2In matrix form, the stiffness matrix is given by: k = [(EIL^-3)(7/3L  2/3L; 2/3L  4/3L)]The above equation represents the stiffness matrix for the beam element with an additional node in the center (higher-order element).

Galerkin’s method is used to derive the stiffness matrix for a given beam element. Here's how to derive the stiffness matrix using Galerkin's method: Derive stiffness matrix using Galerkin's method:

Given, a beam element with an additional node in the center is a higher-order element. It can be represented by the following figure:

The beam element can be divided into two equal sub-elements of lengths L/2 each. Using Galerkin's method, the stiffness matrix of the beam element can be derived. The Galerkin's method uses the minimization principle of the potential energy.

The principle states that the energy of the system is minimum when the potential energy of the system is minimum. Galerkin’s method uses the shape functions of the element to interpolate the unknown displacements. In the Galerkin method, the approximate displacement field is taken as the same as the interpolation functions multiplied by the nodal parameters. Let us assume that there are m degrees of freedom for a beam element.

In matrix form, we have: {u} = [N]{d}Where,{u} is the vector of nodal displacements[N] is the matrix of shape functions[d] is the vector of nodal parameters Thus, the potential energy can be written asV = 1/2∫[B]^T[D][B]dA

where,[B] is the strain-displacement matrix[D] is the matrix of elastic moduli The strain-displacement matrix is given by[B] = [N]'[E]

Where [N]' is the derivative of the shape functions with respect to the axial coordinate The matrix of elastic moduli is given by[D] = (EIL^-3)[l  -l; -l  l]

where E is the Young’s modulus of the beam material, I is the area moment of inertia of the beam, and L is the length of the beam. Using Galerkin's method, the stiffness matrix of the beam element is derived as follows:

Step 1: Determine the shape functions and nodal parameters For this higher-order beam element, there are three degrees of freedom. Thus, there are three shape functions and three nodal parameters. The shape functions are given by: N1 = 1 - 3(ξ - 1/2)^2 N2

= 4ξ(1 - ξ) N3 = ξ^2 - ξ

where ξ is the dimensionless axial coordinate. The nodal parameters are given by: d1, d2, d3

Step 2: Determine the strain-displacement matrix The strain-displacement matrix is given by[B] = [N]'[E]The derivative of the shape functions with respect to the axial coordinate is given by:[N]' = [-6ξ + 3, 4 - 8ξ, 2ξ - 1]Therefore, the strain-displacement matrix is given by[B] = [N]'[E] = [-6ξ + 3, 4 - 8ξ, 2ξ - 1][E]

Step 3: Determine the matrix of elastic moduli The matrix of elastic moduli is given by[D] = (EIL^-3)[l  -l; -l  l]

where E is the Young’s modulus of the beam material, I is the area moment of inertia of the beam, and L is the length of the beam.

Step 4: Determine the stiffness matrix The stiffness matrix can be obtained by integrating the product of the strain-displacement matrix and the matrix of elastic moduli over the element. Therefore, the stiffness matrix is given by: k = ∫[B]^T[D][B]dA Knowing that the beam element can be divided into two equal sub-elements of lengths L/2 each, we can obtain the stiffness matrix for each sub-element and then combine them to obtain the stiffness matrix for the whole element.

The stiffness matrix for the first sub-element can be obtained by integrating the product of the strain-displacement matrix and the matrix of elastic moduli over the sub-element. Therefore, the stiffness matrix for the first sub-element is given by:k1 = ∫[B1]^T[D][B1]dA

where [B1] is the strain-displacement matrix for the first sub-element. The strain-displacement matrix for the first sub-element can be obtained by replacing ξ with ξ1 = 2ξ/L in the strain-displacement matrix derived above. Therefore,[B1] = [-3ξ1 + 3, 4 - 8ξ1, ξ1 - 1][E]The stiffness matrix for the second sub-element can be obtained in the same way as the first sub-element. Therefore, the stiffness matrix for the second sub-element is given by:k2 = ∫[B2]^T[D][B2]dA

where [B2] is the strain-displacement matrix for the second sub-element. The strain-displacement matrix for the second sub-element can be obtained by replacing ξ with ξ2 = 2ξ/L - 1 in the strain-displacement matrix derived above. Therefore,[B2] = [3ξ2 + 3, 4 + 8ξ2, ξ2 + 1][E]The stiffness matrix for the whole element is obtained by combining the stiffness matrices for the two sub-elements. Therefore, k = k1 + k2In matrix form, the stiffness matrix is given by: k = [(EIL^-3)(7/3L  2/3L; 2/3L  4/3L)]The above equation represents the stiffness matrix for the beam element with an additional node in the center (higher-order element).

To know more about stiffness matrix visit:

https://brainly.com/question/30638369

#SPJ11

The inverse of matrix B is: \(B^(-1)\)= [1 -2 1/2; -3/2 3/2 -1; -4/3 4/3 -5/12] . To find the determinant of matrices A and B using the product of the pivots, we need to perform the row reduction (Gaussian elimination) on each matrix and keep track of the pivots.

Let's start with matrix A: A = [2 3; 1 4]. Performing row reduction, we can subtract twice the first row from the second row: R2 = R2 - 2R1

The resulting matrix is: A = [2 3; 0 -2]. The product of the pivots is the determinant of matrix A: det(A) = (2)(-2) = -4 . Now, let's move on to matrix B: B = [1 2 3; 4 5 6; 7 8 9]

Performing row reduction, we can subtract 4 times the first row from the second row and subtract 7 times the first row from the third row:

R2 = R2 - 4R1

R3 = R3 - 7R1

The resulting matrix is: B = [1 2 3; 0 -3 -6; 0 -6 -12]

The product of the pivots is the determinant of matrix B: det(B) = (1)(-3)(-12) = 36. Next, let's find the inverse of matrices A and B using the method of cofactors. For matrix A:A = [2 3; 1 4]

The determinant of A is det(A) = -4. The cofactor matrix C is obtained by taking the determinants of the submatrices of A:C = [4 -3; -1 2]

To find the inverse of A, we divide the cofactor matrix C by the determinant of A: A^(-1) = (1/det(A)) * C.

\(A^(-1)\) = (1/-4) * [4 -3; -1 2] = [-1 3/4; 1/4 -1/2]

So, the inverse of matrix A is: \(A^(-1)\)= [-1 3/4; 1/4 -1/2]

For matrix B: B = [1 2 3; 4 5 6; 7 8 9]

The determinant of B is det(B) = 36. The cofactor matrix C is obtained by taking the determinants of the submatrices of B:

C = [(-3)(-12) 6(-12) (-6)(-3); 6(-9) (-6)(9) (-6)(6); (-6)(8) 6(8) (-3)(5)] = [36 -72 18; -54 54 -36; -48 48 -15]

To find the inverse of B, we divide the cofactor matrix C by the determinant of B:

\(B^(-1)\)= (1/det(B)) * C

\(B^(-1)\) = (1/36) * [36 -72 18; -54 54 -36; -48 48 -15] = [1 -2 1/2; -3/2 3/2 -1; -4/3 4/3 -5/12]

So, the inverse of matrix B is: \(B^(-1)\) = [1 -2 1/2; -3/2 3/2 -1; -4/3 4/3 -5/12]

To know more about Gaussian elimination visit-

brainly.com/question/31328117

#SPJ11