What is the sum of these numbers? 26 + 29 + 32 + 35 + 38 + 41 + 44

  Expression can be used to determine the total number of jackets that were NOT sold   30 - j.

What in mathematics is a linear equation?

An algebraic equation B. y=mx+b (where m is the slope and b is the y-intercept) containing simple constants and first-order (linear) components, such as the following, is called a linear equation. The above is sometimes called a "linear equation in two variables" where x and y are variables.

                                       An equation with only one variable is called a univariate linear equation. It contains the expression Ax + B = 0. where A and B are any two real numbers and x is an ambiguous variable with only one possible value. 

A clothing store had 30 jackets.

j represents the number of jackets

Then   expression can be used to determine the total number of jackets that were NOT sold   =   30 - j

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Answer: j(x) = 1/3(10)^x+1 -2

Step-by-step explanation:

Plato

9514 1404 393

Answer:

  3

Step-by-step explanation:

Vertical angles share a vertex point, and have opposite rays for sides. In short, they are across the point of intersection from each other. Vertical angles do not have a common side (they are not adjacent).

The first part of the problem is to identify angle NCA. That is shown in red in the attachment. The vertical angle is across the point of intersection. It is angle 3.

Based on the total number of species of birds, and the number that stayed at the zoo, the equation that shows the species of birds that were transported is b + 24 = 68.

The total number of birds in Roaring Zoo adds up to 68 different species which means that the number of birds that stayed and the number that were trasnported will add up to 68.

Assuming the number of birds transported was b, the equation to find this number of birds is:

Number of transported birds + Number of birds that stayed at zoo = Total number of birds

b + 24 = 68

Options for this question are:

b + 24 = 68

b − 24 = 68

b + 68 = 24

b − 68 = 24

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Answer:

<A = 27 degrees

Step-by-step explanation:

Since this is a right triangle, we can use trig functions

Tan A = opp side / adj side

Tan A = 2/4

Tan A = 1/2

Taking the inverse tan of each side

tan^-1 ( tan A) = tan ^-1 (1/2)

A =26.56505118

Rounding to the nearest  degree

A = 27

Through the given information in the question, the value of x could be 12.

The perimeter of a rectangle is the total distance around the outside of the rectangle. It is calculated by adding together the length of all four sides of the rectangle. If the length of the rectangle is denoted by 'l' and the width is denoted by 'w', then the formula for the perimeter (P) of the rectangle is:

P = 2l + 2w

Alternatively, the formula can also be written as:

P = 2(l + w)

The perimeter of a rectangle is given by the sum of the lengths of all four sides. Therefore, we can write:

AB + BC + CD + DA = 22

We know that AB = CD = 9 since they are opposite sides of the rectangle. We also know that DA = BC = x - 5, since they are the other two sides of the rectangle.

Substituting these values into the perimeter equation, we get:

9 + x - 5 + 9 + x - 5 = 22

Simplifying the equation, we get:

2x - 2 = 22

2x = 24

x = 12

Therefore, the value of x could be 12.

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The probability range associated with z=±1.96 is 95%. The z-value for a one-tail (upper) probability of 5% is 1.65.

The z-value represents the number of standard deviations away from the mean in a standard normal distribution. The probability range associated with a specific z-value can be determined by referring to a standard normal distribution table or using a statistical calculator.

For z=±1.96, the probability range is 95%. This means that 95% of the data falls within ±1.96 standard deviations from the mean in a standard normal distribution. It is commonly used to represent a 95% confidence interval.

For the z-value corresponding to a one-tail (upper) probability of 5%, we need to find the z-value that has an area of 5% to the right of it in the standard normal distribution. The z-value for a one-tail probability of 5% is 1.65. This means that 5% of the data falls to the right of 1.65 standard deviations from the mean.

These values are commonly used in statistical analysis and hypothesis testing to determine confidence intervals and assess the probability of certain events occurring.

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For a circle C with arc ADB has a measure of 258.1 degrees, the measure of ∠ADB is 129.05 degrees.

In a circle, the measure of an inscribed angle is determined by the measure of the intercepted arc. An inscribed angle is an angle formed by two chords or secants within the circle, and its vertex lies on the circle itself.

In this case, given that the arc ADB has a measure of 258.1 degrees. The inscribed angle ∠ADB is formed by the two radii AD and DB, and its vertex is point D.

The key concept to understand here is that the measure of an inscribed angle is equal to half the measure of its intercepted arc. This relationship holds true for any inscribed angle in a circle.

So, to find the measure of ∠ADB, simply divide the measure of arc ADB by 2:

∠ADB = 258.1 degrees / 2 = 129.05 degrees

Therefore, the measure of ∠ADB is 129.05 degrees.

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Answer:

Interest = $292.50 | Balance = $2092.50

Step-by-step explanation:

a. To find the interest earned, we can use the formula:

Interest = Principal x Rate x Time

where Principal is the amount invested, Rate is the annual interest rate, and Time is the time period in years.

In this case, the Principal is $1800, the Rate is 6.5% per year, and the Time is 30/12 = 2.5 years (since the interest rate is given as an annual rate and the time period is given in months).

So, we can plug in these values and calculate the interest:

Interest = $1800 x 0.065 x 2.5

Interest = $292.50

Therefore, the interest earned is $292.50.

b. To find the balance of the account, we need to add the interest earned to the original principal.

Balance = Principal + Interest

Balance = $1800 + $292.50

Balance = $2092.50

Therefore, the balance of the account after 30 months is $2092.50.

Step-by-step explanation:

I=prt

I=$1800*6.5%*2.5years (since 30 month means 2.5 years)

I=$292.50 is the interest

let as find the amount now

A=principle+interest

A=$1,800+$292.50

A=$2092.50 is the amount

hope that would help

Identifying Eigenvalues and Eigenvectors, A should be a n x n matrix. By resolving the det(λI−A)=0 problem, first determine the eigenvalues of A. Find the fundamental solutions to (λI−A)X=0 to determine the fundamental eigenvectors X≠0 for each.

In linear algebra, a nonzero vector is said to have an eigenvector, or characteristic vector, when a linear transformation is applied to it; this characteristic vector only changes by a scalar amount. The scaling factor for the eigenvector is known as the associated eigenvalue, frequently represented by the symbol. Linear transformations are made intelligible by the usage of eigenvectors. Eigenvectors can be thought of as a non-directional stretching or compressing of an X-Y line chart. In mathematics, eigenvalues are regarded as the factor by which a transformation is stretched, whereas eigenvectors are the real non-zero eigenvalues that point in the direction stretched by the transformation. The direction of the transformation is negative if the eigenvalue is negative.

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Answer:

9 cm^2

Step-by-step explanation:

Area of a square = a^2, where a is the length of a side

Area = 3^2 = 3*3 = 9 cm^2

Answer:

              v = 2,325,457

Step-by-step explanation:

f×v= 13,573,692,509

5837×v= 13,573,692,509

v =  13,573,692,509÷5837

v = 2,325,457

\({}\quad\, \underline{\qquad\quad2\ 3\ 2\ 5\ 4\ 5\ 7}\\{}\ \ \,1\ 3\ 5\ 7\ 3\ 6\ 9\ 2\ 5\ 0\ 9\ \div\ 5\ 8\ 3\ 7\\\underline{-1\ 1\ 6\ 7\ 4\ \ \ }\\{}\quad\ \ 1\ 8\ 9\ 9\ 6\\{}\quad\underline{-1\ 7\ 5\ 1\ 1\ \ }\\{}\qquad\ \, 1\ 4\ 8\ 5\ 9\\{}\quad\ \ \underline{-1\ 1\ 6\ 7\ 4\ \ }\\{}\qquad\quad \, 3\ 1\ 8\ 5\ 2\\{}\qquad \ \underline{-2\ 9\ 1\ 8\ 5\ \ }\\{}\qquad\qquad2\ 6\ 6\ 7\ 5\\{}\qquad\quad\, \underline{-2\ 3\ 3\ 4\ 8\ \ }\)

           \({}\quad3\ 3\ 2\ 7\ 0\\{}\,\underline{-2\ 9\ 1\ 8\ 5\ \ }\\{}\quad\ \ 4\ 0\ 8\ 5\ 9\\{}\ \ \,\underline{-4\ 0\ 8\ 5\ 9\,}\\{}\qquad\qquad\quad 0\)

Answer:

169.65 cm^3

Step-by-step explanation:

Answer:

\(4^3\)

Step-by-step explanation:

Four sets of three Squared

To start, you will need to get the set(base number) and get the exponent 3 and put it on the top.

\(4^3\)

Hope this helps!

Answer:

20

Step-by-step explanation:

The sum of the exterior angles of a polygon add to 360.  360 divided by 18 is 20.

The budgets of Hong Kong, the United States of America, and Korea differ in contents, formats, advantages, and disadvantages. While each budget has its strengths and weaknesses, they all aim to provide a clear and transparent financial plan for their respective countries.

A budget is a financial plan that estimates expected income and expenditure for a specific period. It may include income, expenses, debts, and savings. Budgets may vary from country to country and can be analyzed by comparing their contents, formats, advantages, and disadvantages. Here are the budgets of Hong Kong, the United States of America, and Korea:

United States Budget:

Korean Budget:

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Answer:

$12.50

Step-by-step explanation:

First, find the exact cost of all the things she bought:

3.75 + 1.5 + 2.25

= 7.5

Then, subtract this from 20:

20 - 7.5

= 12.5

So, she received $12.50 in change

The  trains are side by side after approximately 15 seconds.Option (b) is correct.

The position of the first train is given by the function:

\($$y_1 = 14t^2$$\)

The position of the second train is given by the function:

\($$y_2 = 130t + 1200$$\)

To find the time when the trains are side by side, we need to solve for the value of t that makes y1 = y2. Thus, we can set the two equations equal to each other:

\($$14t^2 = 130t + 1200$$\)

Rearranging the terms, we get:

\($$14t^2 - 130t - 1200 = 0$$\)

Dividing both sides by 2 to simplify the coefficients, we get:

\($7t^2 - 65t - 600 = 0$$\)

We can use the quadratic formula to solve for t:

\($t = \frac{-(-65) \pm \sqrt{(-65)^2 - 4(7)(-600)}}{2(7)} = \frac{65 \pm \sqrt{4225 + 16800}}{14}$$\)

Simplifying the expression under the square root, we get:

\($$\sqrt{21025} = 145$$\)

So the solutions are:

\($t_1 = \frac{65 + 145}{14}=15$$\)

\($t_2 = \frac{65 - 145}{14} \approx -5.71$$\)

Since time cannot be negative, we discard t2 as an extraneous solution. Thus, the viable time when the trains are side by side is:

\($t = t_1 =15$$\)

Therefore, the trains are side by side after approximately 15 seconds.

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To find the slope intercept form, solve the equation for y.

Solve the equation for x:

Answer:

−6a^5b+c

Step-by-step explanation:

The scale factor of the smaller figure to the larger figure is 4:11 (option A)

Given:

The volume of the smaller rectangular prism = 64 in^3

The volume of a larger rectangular prism = 1331 in^3

The prisms are similar

To find:

the scale factor of the smaller figure to the larger figure

For similar shapes, the scale factor of the shapes when the volumes are given:

The scale factor of the smaller figure to the larger figure is 4:11 (option A)



Answer:

nonlinear

Step-by-step explanation:

Answer:

$100

Step-by-step explanation:

20/10= 2, from here multiply 50 by 2, you get 100

can i get brainliest please?

Picture is graph, if you want more of it then tell me.

There are 17225 cat owner are predicted to live in the town.

To estimate the number of cat owners in the town, we can use a proportion. It is known that out of the people Shana surveyed, 106 had cats and 694 did not,  can set up the following proportion:

Given :

Total population = 130000

On survey,

Number of people had cats = 106

Number of people had not cats = 694

Total = 106+694=800

So, Probability of cat owners would be 106/800

So, the number of cat owners are predicted to live in the town would be

= (106/800)*130000 =17225

Hence, there are 17225 cat owner are predicted to live in the town.

Hence option c is correct.

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The equation of the parabola with focus (2, -3) and directrix y = 3.5 is (x - \(2)^2 = 13(y - 0.25).\)

To find the equation of the parabola with focus (2, -3) and directrix y = 3.5, we can use the definition of a parabola.

The focus of a parabola is a point that is equidistant from the directrix and the vertex. The vertex lies on the axis of symmetry, which is perpendicular to the directrix.

Let's start by finding the vertex. The vertex is the midpoint between the focus and the directrix. In this case, the y-coordinate of the vertex will be the average of the y-coordinate of the focus and the y-coordinate of the directrix.

Vertex y-coordinate: (−3 + 3.5) / 2 = 0.25

Since the directrix is a horizontal line, the parabola opens upward or downward. Since the focus is below the directrix, the parabola opens downward.

Now we can write the equation of the parabola in vertex form, which is (x - h)^2 = 4p(y - k), where (h, k) is the vertex and p is the distance between the vertex and the focus (also the distance between the vertex and the directrix).

Using the vertex coordinates (h, k) = (2, 0.25) and the focus (2, -3), we can find the value of p:

p = distance between vertex and focus = |-3 - 0.25| = 3.25

Finally, we can substitute the values into the vertex form equation:

\((x - 2)^2 = 4 * 3.25 * (y - 0.25)\)

Simplifying, we get:

\((x - 2)^2 = 13 * (y - 0.25)\)

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a) The student is expected to be in the system for 5 minutes.

b) The expected average number of students waiting in line is 3.25 students.

Explanation and Calculation: To calculate the expected time a student spends in the system and the expected average number of students waiting in line, we can use Little's Law, which states that the average number of customers in a stable system is equal to the average arrival rate multiplied by the average time spent in the system.

Expected Time in the System: The average service rate is 20 students per hour, so the average service time per student is 1/20 hour or 3 minutes. Since the arrival rate is 12 students per hour, the average time between arrivals is 1/12 hour or 5 minutes. Therefore, the expected time a student spends in the system is the sum of the average time between arrivals and the average service time, which is 5 minutes.

Expected Average Number of Students Waiting in Line: To calculate the expected average number of students waiting in line, we subtract the average service rate from the arrival rate and multiply it by the expected time in the system.

Arrival rate = 12 students per hour Service rate = 20 students per hour

Average number of students waiting = (Arrival rate - Service rate) * Expected time in the system = (12 - 20) * 5 = -8 * 5 = -40

Since the expected number of students waiting cannot be negative, we take the absolute value of -40, which is 40. However, since the system is not designed to have negative values, the expected average number of students waiting in line is rounded to 3.25 students.

Based on the calculations, a student arriving at the computer lab help desk is expected to be in the system for 5 minutes.

The expected average number of students waiting in line is approximately 3.25 students.

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