solve pls brainliest

Answer:

5/7 is the correct answer I think

Step-by-step explanation:

........

Answer:

11+x

Step-by-step explanation:

Let the number be x

11 more than the more will be

11+x

Answer:

Step-by-step explanation:

To find g[f(2)], we need to evaluate the composite function g[f(2)] by first finding f(2) and then substituting the result into g(x).

Let's start by finding f(2):

f(x) = 2x² - 3x

f(2) = 2(2)² - 3(2)

= 2(4) - 6

= 8 - 6

= 2

Now that we have the value of f(2) as 2, we can substitute it into g(x):

g(x) = 5x - 1

g[f(2)] = g(2)

= 5(2) - 1

= 10 - 1

= 9

Therefore, g[f(2)] is equal to 9.

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Critical values of the function f(θ) = 2cos(θ) +(sin(θ))² on the interval 0≤ θ < 2π is 0 and π.

Therefore, the answer is 0 and π.

f(θ) = 2cos(θ) +(sin(θ))²

f'(θ) = -2sin(θ) +2sin(θ)cos(θ)

Critical values of f are points at which f' is zero or not defined.

For all values of θ, we can find that f'(θ) is defined.

f'(θ) = 0

-2sin(θ) +2sin(θ)cos(θ) = 0

cos(θ) - 1 = 0 or sin(θ) = 0

cos(θ) = 1

θ = nπ, n = 0, 1, 2, ...

sin(θ) = 0

θ = nπ, n = 0, 1, 2, ...

Therefore in the interval 0 ≤ θ < 2π, critical values are 0 and π.

2π is not there as it is not included in the interval.

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A rectangular prism with a height of 6 centimeters would have a volume of 138 cubic centimeters.

Given the following data:

Base area = 23 \(cm^2\)

Height = 6 centimeters.

Mathematically, the volume of a rectangular prism is given by this formula:

\(V = B \times H\)

Where:

Substituting the given parameters into the formula, we have;

\(V = 23 \times 6\)

V = 138 cubic centimeters.

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Answer:

All of the expressions

Step-by-step explanation:

A rational number is one that can be written as a ratio, or a number with a terminating decimal.

All of the expressions are whole numbers, so they are all rational.

Answer:

Exact Form:

− 1 /3

Decimal Form:

− 0. 3

EF:- 1/3

If you also want the DF (Decimal Form), then the decimal form is - 0.3

The largest population to which the results can be generalized is in option C i.e. All student-athletes at the college.

Population: A population can be described as a complete group with at least one characteristic in common and a sample of the population can be used to get the features of the population.

We were told that a random sample of 50 student-athletes from all the student-athletes at a college, even though the population can be used to have an idea about how the consumption of beetroot juice enhances exercise performance, and it can not be used to get the results that can be generalized as more than 50 students-athletes is required which is chosen randomly.

All the other options are wrong because of this reason.

Therefore, option C is correct.

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Answer:

20

Step-by-step explanation:

The number of Customers that visited the store during the eight hour if the median number of customers didn't change is; C: 20

We are given the data representing the first seven hours as; 12, 15, 18, 20, 23, 23, 28. Here; n=7

Thus;

Median = (n + 1)/2 = (7 + 1)/2

Median = 4th term

Thus, the median is 20.

When one data is added, n = 8. Thus;

Median will be the average of the 4th and 5th term. Since the median does not change, it means that the median number of customers per hour is still 20.

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Answer:

g∠-20

Step-by-step explanation:

Answer: To find the unit rate of seats per row, we can divide the total number of seats by the number of rows:

288 seats ÷ 6 rows = 48 seats per row

Therefore, the unit rate of seats per row is 48.

Brainliest is appreciated (:

Answer:

Perimeter: 22cm Area: 24cm^2

Step-by-step explanation:

To find perimeter we add all the sides together. There are two missing sides in this picture.

The bottom one is found by adding the two top lines 4 + 2 = 6

The one on the right can be found by subtracting the left line and the given right line 5 - 2 = 3.

Now we have all the lines, add them together we get 22cm!

Now, there are two ways to find the area. Of course I’m going to show the one I prefer.

Imagine the chunk in the top right is not missing; what would the area of the rectangle be? 30cm^2

And now what’s the area of the missing chunk?

Our given line multiplied by the one we calculated for: 6cm^2

Now subtract the whole rectangle minus the piece we are missing 30 - 6 = 24cm^2

Answer:

Sorry i don't know this one

Step-by-step explanation:

It's simple to do it yourself. just keep trying

Answer:

$44.74

------Work------

6.25 x  5 = 31.25

31.25 + 12.50 = $44.74

Step-by-step explanation:

         May I have brainliest?  

              </3 PureBeauty

9514 1404 393

Answer:

  False

Step-by-step explanation:

Rotation maps all points of the figure the same angular measure in the same direction around the center of rotation. Points farther from the center will be moved farther. The direction the point is moved depends on the initial direction from the center of rotation, so may not be the same for different points on the figure.

Translation maps all points the same distance in the same direction.

Answer:

\(y^4-2\\\\16x^2-24\)

Step-by-step explanation:

\(Difference \ of \ squares:\ a^{2}-b^{2}=(a+b)(a-b)\)

\(y^4-2\\\\25m^2n^4-1\\\\p^8-q^4\\\\16x^2-24\\\\\)

Hope this helps!

Answer:

It was difficult reading the question, as written.  Check my assumptions.

Step-by-step explanation:

"five more than the product of two and a number,

decreased by seven"

---

Let the "number" be a.

We are told "five more than . ." means +5,

"the product of two and a number" means 2a,

"decreased by seven" mean -7

Put the statements together to obtain:

+5+2a-7

Simplify to 2a-2

Evaluate when a = 8:

2a-2

2(8)-2

16-2

= 14

The correct answer is option C which is nine more than two-fifths of the number is nine.

Expression in maths is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, expansion and division.

The given expression is:-

( 2 / 5) x  +  9 = 9

The expression can be written in the words nine more than two-fifths of the number is nine.

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Monique has a blog with her website and wants to evaluate the engagement of her readers. her blog posts usually take at least 4 minutes to read, and she wants to track the percentage of users who read an entire blog post. she should set up time-on-site goal.

The total amount of time a user spends on your website, also referred to as session duration, is the term "time on site." It is calculated by noting the timestamps of when a visitor accesses your landing page via a search engine or link and when they leave your website.

52 seconds is a decent average time on page benchmark across several industries. B2B websites have the highest Average Time On Page, which is roughly 82 seconds, according to data from 20 billion user sessions. The type of target audience, industry, and device type are just a few of the variables that affect a decent average time on page.

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The Poisson distribution is applied to events where the probability of occurrence of a certain number of events in a fixed interval of time, space, or distance is small but not necessarily "very small". False.

The Poisson distribution is used to model events that occur randomly and independently over a continuous or discrete interval of time, space, or distance, such as the number of phone calls received at a call center in an hour, the number of cars passing through a toll booth in a given time period, or the number of emails received per day. The Poisson distribution is characterized by a discrete probability mass function that describes the probability of a certain number of events occurring in a given interval, and it is widely used in probability theory and statistics for modeling events with low to moderate occurrence rates.

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The poisson distribution is applied to events for which the probability of occurrence over a given span of time, space, or distance is very small.

Given statement is False.

Because, The Poisson distribution is applied to events for which the probability of occurrence over a given span of time, space, or distance is not necessarily very small, but rather where the events occur randomly and independently at a constant average rate.

The Poisson distribution models the number of events that occur in a fixed time interval or within a certain area or volume of space, assuming that the events occur independently of each other and at a constant average rate. It is used in many fields, such as biology, physics, economics, and engineering, to model the occurrence of rare or common events.

The Poisson distribution has several important properties, including:

Its mean is equal to λ, and its variance is also equal to λ.

It is a discrete distribution, meaning that it models only whole numbers of events.

It is often used to model rare or unusual events, but can also be used for events that occur frequently, as long as they occur independently at a constant average rate.

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By using the equation \((x - h)^2 + (y - v)^2 = r^2,\)  we can represent a circle with its center at (h, v) and radius r.

The equation of a circle with its center not at the origin is derived from the general equation of a circle.

The general equation of a circle with center (h, v) and radius r is given by:

\((x - h)^2 + (y - v)^2 = r^2\)

In this equation, (x, y) represents any point on the circle.

The values (h, v) represent the coordinates of the center of the circle, and r represents the radius.

To understand why this equation represents a circle, let's break it down. The term \((x - h)^2\) represents the square of the difference between the x-coordinate of any point on the circle and the x-coordinate of the center. Similarly, \((y - v)^2\) represents the square of the difference between the y-coordinate of any point on the circle and the y-coordinate of the center. Adding these two terms together gives the sum of the squares of the differences between the coordinates of any point on the circle and the coordinates of the center.

If this sum is equal to the square of the radius \((r^2),\) it means that the point is on the circle.

Conversely, if the sum is greater than \(r^2,\)the point is outside the circle, and if the sum is smaller than \(r^2,\) the point is inside the circle.

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Answer:

f(10) = 342

Step-by-step explanation:

f(x) = 3x² + 6x - 18

f(10 = 3(10)² + 6(10) - 18

f(10) = 3(100) + 60 - 18

f(10) = 300 + 60 - 18

f(10) = 360 - 18

f(10) = 342

The average distance from a point on a disk in ℝ² of radius r centered at the origin to the center is 2r/π.

To calculate the average distance, we need to integrate the distance function over the disk and divide it by the area of the disk. The distance function from a point (x, y) on the disk to the origin is given by d = √(x² + y²). Since the disk is centered at the origin, we can rewrite this as d = √(r²) = r.

Integrating this distance function over the disk involves integrating from 0 to 2π for the angle θ and from 0 to r for the radius ρ. Thus, the integral becomes ∫₀²π ∫₀ʳ r ρ dρ dθ.

Evaluating this integral gives us (2πr²)/2πr² = 1, which represents the total area of the disk. Therefore, the average distance is given by (2r/π) × (1/1) = 2r/π.

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Answer:

f(-2) = -11

f(0) = -1

f(x+1)= f (x+1)=5x+4

Step-by-step explanation:

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\(4(y - 3) + 2(3x + 2y) = \)

\(4y - 12 + 6x + 4y = \)

\(6x + 4y + 4y - 12 = \)

\(6x + 8y - 12\)

If u wanna in factored form :

\(2(3x + 4y - 6)\)

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To find the probability density function (PDF) for the cost U, we need to determine the distribution of U using the transformation method.

First, let's find the cumulative distribution function (CDF) of U. We know that U = 2Y^2 + 3, where Y is uniformly distributed over the interval [1, 5]. The CDF of U, denoted as F_U(u), can be found by evaluating P(U ≤ u).

To find F_U(u), we can express it in terms of the CDF of Y, denoted as F_Y(y). Since Y is uniformly distributed over [1, 5], the CDF of Y is given by:

F_Y(y) = (y - 1) / (5 - 1) = (y - 1) / 4

Now, we can express F_U(u) as follows:

F_U(u) = P(U ≤ u) = P(2Y^2 + 3 ≤ u)

To solve this inequality for Y, we need to consider two cases:

Case 1: If u < 3, then 2Y^2 + 3 ≤ u has no solution, and the probability is 0.

Case 2: If u ≥ 3, then we have:

2Y^2 + 3 ≤ u

Y^2 ≤ (u - 3) / 2

Y ≤ √[(u - 3) / 2]

Since Y is uniformly distributed over [1, 5], the maximum value of Y is 5. Therefore, the inequality becomes:

Y ≤ √[(u - 3) / 2], for 1 ≤ Y ≤ √[(u - 3) / 2] ≤ 5

Now, we can write the CDF of U:

F_U(u) = P(U ≤ u) = P(Y ≤ √[(u - 3) / 2]) = F_Y(√[(u - 3) / 2]) = (√[(u - 3) / 2] - 1) / 4

To find the PDF of U, we differentiate the CDF with respect to u:

f_U(u) = d/dx [F_U(u)] = d/dx [(√[(u - 3) / 2] - 1) / 4]

After simplifying and solving the derivative, we obtain:

f_U(u) = 1 / (8√[(u - 3) / 2])

Therefore, the probability density function (PDF) for U is:

f_U(u) = 1 / (8√[(u - 3) / 2]), for u ≥ 3

This is the PDF that represents the distribution of the cost U based on the given transformation from the waiting time Y.

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Answer: -6 3/4

Short explained no step by step

Given:

Line P Q has points (-5, 3) and (5, 1).

Line R S has points (-4, -2) and (0, -4).

To find:

The relationship between lines PQ and RS.

Solution:

If a line passing through two points, then the slope of line is

\(m=\dfrac{y_2-y_1}{x_2-x_1}\)

Line P Q has points (-5, 3) and (5, 1). So, slope of line PQ is

\(m_1=\dfrac{1-3}{5-(-5)}\)

\(m_1=\dfrac{-2}{5+5}\)

\(m_1=\dfrac{-2}{10}\)

\(m_1=\dfrac{-1}{5}\)

Line R S has points (-4, -2) and (0, -4). So, slope of line RS is

\(m_2=\dfrac{-4-(-2)}{0-(-4)}\)

\(m_2=\dfrac{-4+2}{0+4}\)

\(m_2=\dfrac{-2}{4}\)

\(m_2=\dfrac{-1}{2}\)

Slopes of two parallel lines are equal.

\(m_1\neq m_2\)

They are not parallel because their slopes are not equal.

Therefore, the correct option is C.

Answer:

the correct answer is c

Step-by-step explanation:

Edu2020

Answer:

\(m^8-4\)

Step-by-step explanation:

\(Rule: a^b\cdot \:a^c=a^{b+c}\\=m^7m=m^{7+1}\\=m^{7+1}-4\\=m^8-4\)

\(~~~~~~ \textit{Continuously Compounding Interest Earned Amount} \\\\ A=Pe^{rt}\qquad \begin{cases} A=\textit{accumulated amount}\dotfill & \$ 4700\\ P=\textit{original amount deposited}\\ r=rate\to 4\%\to \frac{4}{100}\dotfill &0.04\\ t=years\dotfill &11 \end{cases} \\\\\\ 4700=Pe^{0.04\cdot 11} \implies 4700=Pe^{0.44}\implies \cfrac{4700}{e^{0.44}}=P\implies 3027\approx P\)