Need some great assistance! Thanks!

Answer: You add 9 each time

Step-by-step explanation:

19 + 9 = 28 + 9 = 37 + 9 = 46 + 9 = 55

hope this helps mark me brainliest if it did

The X variables have an overall correlation of 0. VIF, or Variance Inflationary Factor, measures the

Regression analysis's level of multicollinearity is gauged by a variance inflation factor, or VIF. When several independent variables in some kind of a model with multiple regression correlate with one another, this is known as multicollinearity. The regression findings may be significantly impacted by this.

Greater correlation between the variable and other variables is indicated by a higher value. With values of Ten or more being considered very high, values greater than 4 or 5 are occasionally considered to be moderate to high.

To know more about  variance inflation factor visit:

https://brainly.com/question/29584046

#SPJ4

The given equation,

First it is horizontally stretched by a factor of 2.

Then it is refected along y-axis,

It is then translated up by 2 unit.

Thus the resulting function becomes as:

Squaring both side,

Thus the required equation is:

It is 4000 meters from Kala's house to the nearest mailbox

Explanation

we need to convert kilometers into meters

Step 1

remember

1 kilometer = 1000 meters

Let x represent the number of meters in 4 kilometers,so

if

then

as the proportion is the same(

Hence

It is 4000 meters from Kala's house to the nearest mailbox

(tip: to convert from km to meters, just multiply by 1000)

so

4km=4*1000 mt=4000 mt

I hope this helps you

Answer: common denominator is 42

Step-by-step explanation:

2. The transformations are given as follows:

3. The transformations are given as follows:

For item 2, the transformations in this problem are given as follows:

For item 3, the transformations are given as follows:

More can be learned about translations at brainly.com/question/28174785

#SPJ1

The value of X is 4

please see the attached picture for full solution

Hope it helps

Good luck on your assignment..

Step-by-step explanation:

\((\sec A - \csc A)(1 + \cot A + \tan A)\)

\(=(\sec A - \csc A)\left(1 + \dfrac{\cos A}{\sin A} + \dfrac{\sin A}{\cos A} \right)\)

\(=(\sec A - \csc A)\left(1 + \dfrac{\cos^2 A + \sin^2 A}{\sin A\cos A} \right)\)

\(=(\sec A - \csc A)\left(\dfrac{1 + \sin A \cos A}{\sin A \cos A} \right)\)

\(=\left(\dfrac{\frac{1}{\cos A} - \frac{1}{\sin A}+\sin A - \cos A}{\sin A\cos A}\right)\)

\(=\dfrac{\sin A - \sin A \cos^2A - \cos A + \cos A\sin^2A}{(\sin A\cos A)^2}\)

\(=\dfrac{\sin A(1 - \cos^2A) - \cos A (1 - \sin^2 A)}{(\sin A\cos A)^2}\)

\(=\dfrac{\sin^3A - \cos^3A}{\sin^2A\cos^2A}\)

\(=\dfrac{\sin A}{\cos^2A} - \dfrac{\cos A}{\sin^2A}\)

\(=\left(\dfrac{1}{\cos A}\right)\left(\dfrac{\sin A}{1}\right) - \left(\dfrac{1}{\sin^2A}\right) \left(\dfrac{\cos A}{1}\right)\)

\(=\sec^2A\csc A - \csc^2A\sec A\)

Answer:

Given:

• P is the set of integers that are multiples of 3 between 1 and 20.

• Q is the set of even natural numbers up to 15.

The elements of P and Q are:

The union of P and Q is:

We observe that 5 is not in the union of P and Q, therefore, the set that is NOT a subset of the union of P and Q is:

{3,5,6,12}

The correct choice is A.

Answer: {3,5,6,12}

Step-by-step explanation:

Since P={3,6,9,12,15,18} and Q={2,4,6,8,10,12,14}, then the set P∪Q={2,3,4,6,8,9,10,12,14,15,18} consists of every even integer less than 15 in addition to every multiple of 3 that is less than 20. The number 5 is neither even nor a multiple of 3, so it cannot belong to the set P∪Q. Since it is an element of the set {3,5,6,12}, this set is not a subset of P∪Q. The other three choices all consist entirely of elements within P∪Q, so they are subsets of P∪Q.

Answer:

x = 18 , y = 42

Step-by-step explanation:

27x + 14 = 500

      -14      -14

This process above moves the +14 to the right hand side, making it negative 14

27x = 486

To find x, divide 27 by 486

x = 486/27

x = 18

600 = 12 + 14y

Move the 12 to the left hand side to remain the 14y

600 = 12 + 14y

-12     -12

588 = 14y

Divide 14 by 588

588/14 = y

y = 42

If λ is an eigenvalue of A, then λ is an eigenvalue of \(A^T\). Show with an example that the eigenvectors of A and \(A^T\) are not the same.

The equation Av = λv, where v is a non-zero vector, is satisfied by an eigenvector v and an eigenvalue given a square matrix A. In other words, the eigenvector v is multiplied by the matrix A to produce a scalar multiple of v. Due to their role in illuminating the behaviour of linear transformations and differential equation systems, eigenvectors play a crucial role in many branches of mathematics and science. When the eigenvector v is multiplied by A, the eigenvalue indicates how much it is scaled.

The eigenvalue and eigenvector states that, let v be a non-zero eigenvector of A corresponding to the eigenvalue λ.

Then, we have:

Av = λv

Taking transpose on both sides we have:

\(v^T A^T = \lambda v^T\)

The above equations thus relates transpose of vector and transpose of A to λ.

Now, consider a matrix:

\(\left[\begin{array}{cc}1&2\\3&4\\\end{array}\right]\)

Now, the eigen values of this matrix are λ1 = -0.37 and λ2 = 5.37.

The eigenvectors are:

\(v1 = [-0.8246, 0.5658]^T\\v2 = [-0.4159, -0.9094]^T\)

Now, for transpose of A:

\(A^T=\left[\begin{array}{cc}1&3\\2&4\\\end{array}\right]\)

The eigen vectors are:

\(u1 = [-0.7071, -0.7071]^T\\u2 = [0.8944, -0.4472]^T\)

Hence, we see that, if λ is an eigenvalue of A, then λ is an eigenvalue of \(A^T\). Show with an example that the eigenvectors of A and \(A^T\) are not the same.

Learn more about eigenvalues here:

https://brainly.com/question/29749542

#SPJ1

Answer:

19

Step-by-step explanation:

im jumping off a bridge

Answer:

the answer in 19

Step-by-step explanation:

use Ur brain

Answer:

C

Step-by-step explanation:

The is No solution of the inequality.

Mathematical expressions with inequalities are those in which the two sides are not equal. Unlike to equations, we compare two values in inequality. Less than (or less than or equal to), greater than (or greater than or equal to), or not equal to signs are used in place of the equal sign.

Given:

We have the inequality  y> 3x + 14 and y< 3x + 2.

As, we have the graph where the inequality y> 3x + 14 is shown by Blue region.

and,  the inequality y< 3x + 2 is shown by Red region.

Usually the graphical solution is get by the intersection of two inequalities.

But there is no intersection then there no solution.

Learn more about Inequality here:

https://brainly.com/question/30231190

#SPJ7

The probabilities are

i. P(male) ≈ 0.503

ii. P(hybrid) ≈ 0.324

iii. P(hybrid|male) ≈ 0.208

iv. P(hybrid|female) ≈ 0.441

v. P(female|hybrid) ≈ 0.677

P(hybrid|male) and P(male|hybrid) are not equal because the sample may not be representative of the entire population.

What is probability?

Probability is a measure of the likelihood of an event occurring, expressed as a number between 0 and 1, with 0 indicating an impossible event and 1 indicating a certain event.

a.

i. P(male) = number of males in the sample / total number in the sample = 154 / 306 ≈ 0.503

ii. P(hybrid) = number of hybrid cars purchased / total number in the sample = 99 / 306 ≈ 0.324

iii. P(hybrid|male) = number of males who purchased a hybrid / total number of males in the sample = 32 / 154 ≈ 0.208

iv. P(hybrid|female) = number of females who purchased a hybrid / total number of females in the sample = 67 / 152 ≈ 0.441

v. P(female|hybrid) = number of females who purchased a hybrid / total number of people who purchased a hybrid = 67 / 99 ≈ 0.677

b.

i. P(male) represents the probability of randomly selecting a male from the sample of 306 people who purchased a Honda Civic.

ii. P(hybrid) represents the probability of randomly selecting a car from the sample that has a hybrid engine.

iii. P(hybrid|male) represents the probability of selecting a hybrid car given that the person selected is male.

iv. P(hybrid|female) represents the probability of selecting a hybrid car given that the person selected is female.

v. P(female|hybrid) represents the probability of selecting a female given that the car selected has a hybrid engine.

c. No, P(hybrid|male) and P(male|hybrid) are not equal. P(hybrid|male) represents the probability of selecting a hybrid car given that the person selected is male, while P(male|hybrid) represents the probability of selecting a male given that the car selected has a hybrid engine. These probabilities are different because the sample is not necessarily representative of the entire population.

Hence, the probabilities are

i. P(male) ≈ 0.503

ii. P(hybrid) ≈ 0.324

iii. P(hybrid|male) ≈ 0.208

iv. P(hybrid|female) ≈ 0.441

v. P(female|hybrid) ≈ 0.677

P(hybrid|male) and P(male|hybrid) are not equal because the sample may not be representative of the entire population.

To learn more about probability, visit:

https://brainly.com/question/24756209

#SPJ1

1. Calculating the output when using -6 as the input, we have:

Rule 1: subtract 7  = -13

Rule 2: square the input = 36.

Rule 3: divide by 3 = 12

Rule 4: divide the input into 3 = -2

Rule 5: write π = -2π

Rule 6: volume of a cube = -216cm³

A function rule is a mathematical expression that describes how to calculate the output value of a function based on its input value. It can be thought of as a set of instructions that tell you what to do with the input value to get the output value.

2. a. True. Speed is the ratio of distance traveled to the time taken to travel that distance. In this case, the distance is fixed at 100 meters, so speed is solely dependent on time. For each value of time, there is only one corresponding value of speed, making it a function.

b. False. While time and distance are related in the formula for speed, time is not a function of distance in this case. Each student's time is independent of the distance they cover, and the same distance is covered by all students (100 meters). Therefore, for any given distance, there are multiple possible values of time, making it not a function.

c. False. The number of students racing is not related to their speed. Each student's speed depends solely on their individual time, which is not affected by the number of other students racing.

Learn more about function rule on https://brainly.com/question/11356829

#SPJ1

Answer:

191

Step-by-step explanation:

955 = 5x

divide both sides by 5 to get x by itself

x = 191

Answer:

B and E

Step-by-step explanation:

You can start by moving everything to one side and solving the quadratic equation:

\(x^2+7x-18=0\)

Factoring:

\((x+9)(x-2)=0\)

x=2,-9, or answer choice B and E. Hope this helps!

Answer:

B and E

Step-by-step explanation:

Answer:

In factored form: \(y=\sqrt{-\frac{1}{25}(2x-10)(2x+10)}\)

In standard form: \(y=\sqrt{-\frac{4}{25}x^2+4}\)

Step-by-step explanation:

Generally for these type of equations we want to get the term with "y" by it self (ignoring coefficients and any operations such as square root, etc...) so we want to get rid of the \(4x^2\) from the left side which we can do by subtracting this from both sides to maintain equality and get rid of it on the left side.

\(25y^2=-4x^2+100\)

One thing I want to note here is we can actually factor the right side which we generally want to do, we can rewrite it as: \(-(4x^2-100)\) and from here we have a difference of squares: \(a^2-b^2=(a-b)(a+b)\) so we can rewrite this as: \(-(2x-10)(2x+10)\)

\(25y^2=-(2x-10)(2x+10)\)

From here we divide both sides by 25:

\(y^2=-\frac{1}{25}(2x-10)(2x+10)\)

Now from here to get rid of that square we do the inverse which is taking the square root:

\(y=\sqrt{-\frac{1}{25}(2x-10)(2x+10)}\)

The reason factoring is useful in this case is we can now easily determine the domain of the function since inside the square root we have a quadratic which is opening down meaning it's only not negative between the zeroes (including the zeroes since they're... zero not negative) and this would be the domain of the graph. But if we wanted it to not be in factored form we would just put back what we had so we would have:

\(y=\sqrt{-\frac{1}{25}(4x^2-100)}\)

then distribute the -1/25 to get:

\(y=\sqrt{-\frac{4}{25}x^2+4}\)

Answer:

For the first part

1.) Negative

2.)zero

3.) undefined

4.) positive

The point slope formula is y-y1=m(x-x1). It is best to use if you already know the slope and one other point on the line. It is used to find another point on the line.

The slope-intercept form is used to show a line. To use this form, you need to know the slope and the y-intercept.

The slope formula is y=mx+b. M is the slope while b is the y-intercept.

The difference in length between the longest ski trail and the shortest ski trail is 7/4.

Fraction number consists of two parts, one is the top of the fraction number which is called the numerator and the second is the bottom of the fraction number which is called the denominator.

We have:

Length of the longest ski trail = 3 1/8 = 25/8

Length of the shortest ski trail = 1 3/8 = 11/8

Difference in length between the longest ski trail and the shortest ski trail:

= 25/8 - 11/8

= 14/8

= 7/4

Thus, the difference in length between the longest ski trail and the shortest ski trail is 7/4.

Learn more about the fraction here:

brainly.com/question/1301963

#SPJ2

The angles that are 118 degrees are ∠1 , ∠3, ∠5 and ∠7.

When parallel lines are cut by a transversal line, angle relationships are formed such as corresponding angles, alternate interior angles, alternate exterior angles, vertically opposite angles etc.

Therefore, let's find the angle relationship in the line and find the angles that are 118 degrees.

Hence,

∠3 = 180 - 62 = 118 degrees(angles on a straight line)

∠1 ≅ ∠3 (vertically opposite angles)

∠7 ≅ ∠3 (alternate interior angles)

∠5 ≅ ∠7 (vertically opposite angles)

learn more on angles here: brainly.com/question/7153708

#SPJ1

The coordinates of the image of vertex F after a reflection across the line y=-x is (3,-1)

From the question, the coordinates of the vertex F are:

F = (1,3)

When reflected across the line y = -x, the coordinates become

F' =  (3,-1)

Hence, the coordinates of the image of vertex F after a reflection across the line y=-x is (3,-1)

Read more about reflection at:

https://brainly.com/question/4289712

Answer:

\(\boxed{\sf\:\frac{15\left(75a+76\right)}{76}}\)

Step-by-step explanation:

15 + 25 * a * 45/76

= \(\sf\:15 + 25 \times a \times \frac { 45 } { 76 }\)

= \(\sf\:15+\frac{25\times 45}{76}a \)

= \(\sf\:15+\frac{1125}{76}a \)

= \(\boxed{\tt\:\frac{15\left(75a+76\right)}{76}}\)

Hope it helps ⚜

Answer:

4 5/8

Step-by-step explanation:

7 7/8= 63/8

3 1/4= 13/4= 26/8

63/8 - 26/8= 37/8

37/8= 4 5/8

The function f(x) = -2(4)ˣ⁺¹ +140 represents the number of tokens a child has x hours after arriving at an arcade. The practical domain and range of the function are x ≥ 0 and The practical range of the situation is [140, ∞).

The given function is f(x) = -2(4)ˣ⁺¹+ 140, which represents the number of tokens a child has x hours after arriving at an arcade.

To determine the practical domain and range of the function, we need to consider the constraints and limitations of the situation.

For the practical domain, we need to identify the valid values for x, which in this case represents the number of hours the child has been at the arcade. Since time cannot be negative in this context, the practical domain is x ≥ 0, meaning x is a non-negative number or zero.

Therefore, the practical domain of the situation is x ≥ 0.

For the practical range, we need to determine the possible values for the number of tokens the child can have. Looking at the given function, we can see that the term -2(4)ˣ⁺¹represents a decreasing exponential function as x increases. The constant term +140 is added to shift the graph upward.

Since the exponential term decreases as x increases, the function will have a maximum value at x = 0 and approach negative infinity as x approaches infinity. However, due to the presence of the +140 term, the actual range will be shifted upward by 140 units.

Therefore, the practical range of the situation will be all real numbers greater than or equal to 140. In interval notation, we can express it as [140, ∞).

To summarize:

- The practical domain of the situation is x ≥ 0.

- The practical range of the situation is [140, ∞).

Know more about the domain here:
https://brainly.com/question/30096754

#SPJ8

The equation is  \(g(x) = -\frac{1}{16} (x - 1)^2 + 2\)  Graphing this equation below, we get a parabola that opens downwards and intersects the x-axis at x = -2 and x = 4, with a vertex at (1, 2).

To demonstrate the connection between the two variables, a line or curve is drawn between the plotted points.

To graph function g, we need to find its equation that satisfies the given properties. We know that the y-intercept of g is less than that of f, so we can choose it to be 1. Also, the parabola of g opens downwards and its vertex is between the two x-intercepts, which are at x = -2 and x = 4. We can use these points to find the equation of the parabola in the standard form: g(x) = a(x - h)² + k. Using the fact that g(0) = 1 and the x-intercepts, we can solve for a, h, and k. The resulting equation is:

\(g(x) = -\frac{1}{16} (x - 1)^2 + 2\)

Graphing this equation, we get a parabola that opens downwards and intersects the x-axis at x = -2 and x = 4, with a vertex at (1, 2).

To know more about graph, visit:
https://brainly.com/question/11803331
#SPJ1

The domain of the question is expressed as; 0 ≤ x ≤ 4

The range of the question is expressed as; 100 ≤ f(x) ≤ 207.36

The domain of a graph is defined as the set of all possible input values that makes the function possible while the range is defined as the set of all possible output values that can result from the possible input values.

Now, we are told that the insect population increases by 20% each month from May 1 to September 1.

The function that represents the insect population after x months is;

f(x) = 100(1.2)ˣ

Thus, the domain is from x = 0 to 4 months inclusive. 0 ≤ x ≤ 4

f(0) = 100(1.2)⁰

f(0) = 100

f(4) = 100(1.2)⁴

f(4) = 207.36

100 ≤ f(x) ≤ 207.36

Read more about range and domain at; https://brainly.com/question/2264373

#SPJ1