Can someone plz help with this one problem (I’m marking brainliest)!!!!

the perimeter and area is the hypotenuse multiplied

Answer:

The slope of the pile of sand is 0.5

Step-by-step explanation:

Since slope = vertical distance/horizontal distance.

Here, the vertical distance from the pile's peak to its base is 2.5 meters and the horizontal distance from its peak to its edge  is 5 meters.

So, we calculate the slope as

slope = vertical distance/horizontal distance where vertical distance = vertical distance from the pile's peak to its base = 2.5 meters and horizontal distance = horizontal distance from its peak to its edge  = 5 meters.

slope = vertical distance/horizontal

slope = 2.5 meters/5 meters

slope = 0.5

So, the slope of the pile of sand is 0.5

Answer:

Step-by-step explanation:

 y - y0 = m(x - x0)

y - (-8) = (-1/2)(x - 4)

 y + 8 = (-1/2)x + 2

 y = (-1/2)x - 6  or  (1/2)x + y = -6

The volume of the cylinder is 10,099.09 inches³.

Here we have to find the volume of the cylinder.

Given data:

Circumference = 46 inches

height(h) = 5 foot = 12 × 5 = 60 inches

Circumference = 2πr

46 = 2 ×π × r

r = 23/π

The formula for the volume of the cylinder = πr²h

Volume = π( 23/π)² 60

               = 529× 60 / π

               = 10,099.09 inches³

Therefore the volume is 10,099.09 inches³.

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True. Exception reports show a greater level of detail than is included in routine reports.

Exception reports are reports that help in identifying data that does not conform to expected patterns. Exception reports show information about an exception in the data set.

This helps to identify irregularities or anomalies in data or system operations.Exception reports are used to analyze system performance, monitor resource consumption, and to detect unusual activity.

This type of report is important to identify issues or errors, where the routine reports or standard reports would not provide enough detail or insight to do so.

It provides detailed information on any unusual event or anomaly that occurred beyond the usual course of events or processes.Exception reports are generated and distributed when the data is not expected or when an event occurs that is outside of what is considered typical.

For example, a financial system might generate an exception report if a transaction is entered that exceeds the maximum allowed amount. This report would show the details of the transaction and highlight the exception.

The purpose of exception reports is to provide users with a higher level of detail than they would find in routine reports. Exception reports are used to highlight significant data, which will be used for further analysis or action.

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Answer:

A. $24

B. $224

Step-by-step explanation:

Simple interest=SI

Principle (deposit)= P (200)

Rate=R(6/100=0.06)

Time=T(2)

SI=P•R•T

SI=200x0.06x2

SI=24

Balance= deposit+interest=200+24=224

The supply curve shifts as a result of every factor but a change in market price. The movement along the supply curve and the change in price are correlated.

The supply curve can change depending on a number of variables, such as shifts in production costs (such as raw material and labor prices), advancements in technology, the level of competition and the number of sellers/producers, as well as the regulatory and tax environment.

Although a shift in the quantity supplied or along the supply curve for a given commodity or service is frequently brought about by a change in price, the supply curve itself does not alter as a result.

Input prices, weather conditions, technological advancements, as well as governmental taxes, regulations, and subsidies, can all modify the supply curve for goods and services, resulting in a different quantity being delivered for a given price.

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Answer:

45

Step-by-step explanation:

27 DIVIDED BY 3 IS 9

SO 9 MULTIPLIED BY 5 IS 45

SO THE ANSWER IS 45

The expression represents the amount of tip, that Nina will give, when she has a positive experience eating a meal that cost n dollars is \(0.18n\). Hence the option A is the correct option.

Algebraic expression are the expression which consist the variables, coefficients of variables and constants.

The  algebraic expression are used represent the general problem in the mathematical way to solve them.

Steps to write down the simple algebraic expression-

Given information-

The tip given by the the Nina is 18 percent.

The cost of food is \(n\) dollars.

Here the Nina gave the tip of 18 percent. This 18 percent is the percentage of total cost of the food.

Let \(f(n)\) is the required expression.

As the the cost of food is \(n\) dollars. Thus the 18 percent of \(n\) dollars is,

\(f(n)=\dfrac{18}{100} \times n\\f(n)=0.18n\)

Thus the expression represents the amount of tip, that Nina will give, when she has a positive experience eating a meal that cost n dollars is \(0.18n\). Hence the option A is the correct option.

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\( = (x^2 \times x^3)^3 \\ = x {}^{6} \times {x}^{9} \\ = (x) {}^{6 + 9} \\ = {x}^{15} \)

Answer:

x=3

Step-by-step explanation:

3x-5x+25= 5x+4

-2x+25=5x+4

+2x.      +2x

25=7x+4

-4.      -4

21=7x

/7. /7

3=x

Hopes this helps please mark brainliest

Answer:

Step-by-step explanation:

3x - 5(x -5) = - 3 + 5x + 7

3x - 5x + 25 = 4 + 5x

3x - 5x -5x = 4 - 25

-7x = -21

x = -21 : (-7)

x = 3

Through a review of census records, Rebecca was able to determine that the mean age of the population she was studying was 23.4 years old. This is known as a(n) "average."

Through her analysis of census records, Rebecca was able to calculate the average age of the population she was studying. This value, which is the sum of all ages divided by the total number of individuals, is known as the mean. In this case, the mean age of the population was 23.4 years old. This statistic provides a useful summary of the age distribution of the population, but it should be noted that there may be variability or outliers that could impact the interpretation of the mean. Therefore, it is important to also consider other measures of central tendency and dispersion when analyzing data.

The average is calculated by adding up all the ages in the population and dividing the sum by the total number of individuals. This statistical measure helps provide a general understanding of the age distribution in the population, allowing for further analysis and comparisons to be made.

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Answer:

#1

Use Pythagorean:

Apply to given and find c:

#2

#3

We have:

We know that:

Find b:

So

#4

Given

We know that:

Find b:

So

#5

Given

We know:

From the cot we have:

Hypotenuse is:

So,

The probability density function (PDF) of Z, where Z = max{X, Y} and X and Y are independent random variables uniformly distributed on the interval [0, 1].

1. First, we need to find the cumulative distribution function (CDF) of Z, which is given by P(Z ≤ z). Since X and Y are independent, we can write this as P(max{X, Y} ≤ z) = P(X ≤ z and Y ≤ z).

2. As X and Y are uniformly distributed on [0, 1], their individual CDFs are given by P(X ≤ x) = x and P(Y ≤ y) = y for x, y ∈ [0, 1].

3. Since X and Y are independent, we can multiply their CDFs to find the joint CDF of Z: P(Z ≤ z) = P(X ≤ z) * P(Y ≤ z) = z * z = z^2 for z ∈ [0, 1].

4. Finally, to find the PDF of Z, we take the derivative of the CDF with respect to z:

f_Z(z) = d/dz (z^2) = 2z for z ∈ [0, 1].

So, the probability density function PDF of Z, where Z = max{X, Y} and X and Y are independent random variables uniformly distributed on the interval [0, 1], is f_Z(z) = 2z for z ∈ [0, 1].

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Answer:

A. {-9, -4, -1}

Step-by-step explanation:

Every number on the f(x) side is the domain which is the input numbers.

If you have any additional questions feel free to ask me or your teacher so you can really master what you're learning. :)

Answer:

the last one

Step-by-step explanation:

domain is on the x axis

Step-by-step explanation:

l = 3 + 2w

P= 2w t 2l

= 2w+2(3+2w)

=2w+6+4w

=6w+6 = 54

6w=48

w=8

divide 6 both side

l=3+2(8)=3+16=19

answer

width 8feet and length 19 feet

The more precise estimator ẏ₁ is the most efficient in estimating the average salary. With given values, the confidence interval is calculated to determine whether to accept the claim of a $50,000 mean salary.



In this scenario, we have two estimators for the average salary: ẏ₁, which uses precise data, and ẏ₂, which includes less precise data. The efficiency of the estimators depends on the variance of the data. If we compare the variances, Var(ẏ₁) = 0% and Var(ẏ₂) = o²(1 + 3c). Since Var(ẏ₁) is zero, it implies that ẏ₁ is the most efficient estimator. The answer does not depend on the value of c.

In the second part, with c = 0, we have Var(Y) = o². Given N = 300, s² = 20,000,000, and ẏ₁ = $48,000, we can use these values to construct a confidence interval. Using a 1% significance level, the critical value is 2.57 (from the standard normal distribution). The confidence interval is given by ẏ₁ ± 2.57 * sqrt(s²/N), which results in $48,000 ± 2.57 * sqrt(20,000,000/300). If this interval contains $50,000, we would accept your friend's claim; otherwise, we would reject it.

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The predicted income for a 43-year- old who left school after the 10th grade is in option (A) i.e.  $35,700.

Given that:

Educational status is a dummy variable with 0 = high school or less and 1 = some education beyond high school

Regression equation = 14.2 + 0.5 X1 + 1.7X2 + 0.1X3 + e

X1 => Age; X3→ (0 if high school or less and 1 if some education beyond high school)

X2 => (X2 * X3)→ (0 if high school or less and X1 if some education beyond high school)

Given: X1 = 43, X2 and X3 = 0

Putting these values in the below equation.

y = 14.2 + 0.5 X1 + 1.7X2 + 0.1X3 + e

y = 14.2 + (0.5 x 43) + 1.7 x 0 + .1 x 0 + e

y = 14.2 + (0.5 x 43) + 0 + 0 + e

y = 14.2 + 21.5 + e

y = 35.7 + e

The value of e can be neglected as it is a constant value.

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Answer:

accuracy- the quality of state of being correct or precise

add decimals- write the numbers in a column, and make sure that the decimal points are aligned.

Answer/Step-by-step explanation:

 Refer to picture below:

a. At point (2, 2, 1) the vector \(\bar{C} = - 2\bar{a}y+4\bar{a}z\)

b. At (2, 2, 1) the value of D = 23

Given that,

For \(\bar{A}=x \bar{a} x+y \bar{a} y+z \bar{a} z \)\) and \(\( \bar{B}=2 x \bar{a} x+3 y \bar{a} y+3 z \bar{a} z \)\).

Here, A and B are vectors

We know that,

a. At (2, 2, 1) we have to find \(\bar{C}=\bar{A} \times \bar{B}\).

C is a vector by using matrix,

\(\bar{C}=\left[\begin{array}{ccc}\bar{a}x&\bar{a}y&\bar{a}z\\x&y&z\\2x&3y&3z\end{array}\right]\)

Now, determine the matrix,

\(\bar{C} = \bar{a}x(3yz - 3yz) - \bar{a}y(3xz - 2xz)+\bar{a}z(3xy - 3xy)\)

\(\bar{C} = - \bar{a}y(xz)+\bar{a}z(xy)\)

At point (2,2,1) taking x = 2 , y = 2 and z = 1

\(\bar{C} = - \bar{a}y(2\times 1)+\bar{a}z(2\times 2)\)

\(\bar{C} = - 2\bar{a}y+4\bar{a}z\)

b. At (2, 2, 1) we have to find \(D=\bar{A} .\bar{B}\)

\(D=\bar{A} .\bar{B}\)

\(D = (x \bar{a} x+y \bar{a} y+z \bar{a} z )(2 x \bar{a} x+3 y \bar{a} y+3 z \bar{a} z)\)

D = 2x² + 3y² + 3z²

At point (2,2,1) taking x = 2 , y = 2 and z = 1

D = 2(2)² + 3(2)² + 3(1)²

D = 23.

Therefore, At (2, 2, 1) D = 23

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The question is incomplete the complete question is -

For \(\bar{A}=x \bar{a} x+y \bar{a} y+z \bar{a} z \)\) and \(\( \bar{B}=2 x \bar{a} x+3 y \bar{a} y+3 z \bar{a} z \)\).

Find the following at (2,2,1)

a. \(\bar{C}=\bar{A} \times \bar{B}\)

b. \(D=\bar{A} .\bar{B}\)

Thus, we may estimate that there were 557 principals present at the meeting.

A mathematical comparison of two numbers is called a percentage. These figures frequently serve as a comparison between various objects or individuals. Take the scenario where you entered a crowded room as an example.

52/70 = 0.743 or 74.3%

Applying this ratio to the total number of attendees, we can extrapolate the proportion of principals at the conference, assuming that it is reflective of the conference as a whole:

Total principals at conference = Proportion of principals x Total number of attendees

Total principals at conference = 0.743 x 750

Total principals at conference ≈ 557

As a result, we may estimate that there were 557 principals present at the meeting.

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The decision with the highest EU is "Keep Current Operations" with an EU of 281. The Final Expected Value using the EVUII method is 281.

To calculate the Final Expected Value (EV) using the EVUII (Expected Value of Utility Information) method, we need to calculate the Expected Utility (EU) for each decision and then choose the decision with the highest EU.

Let's calculate the EU for each decision:

1) EU for "Sell Company":

EU(Success) = 0.5 * 232 = 116

EU(Moderate) = 0.3 * 350 = 105

EU(Failure) = 0.2 * 100 = 20

EU(Sell Company) = EU(Success) + EU(Moderate) + EU(Failure) = 116 + 105 + 20 = 241

2) EU for "Form Joint Venture":

EU(Success) = 0.5 * 322 = 161

EU(Moderate) = 0.3 * 220 = 66

EU(Failure) = 0.2 * 220 = 44

EU(Form Joint Venture) = EU(Success) + EU(Moderate) + EU(Failure) = 161 + 66 + 44 = 271

3) EU for "Sell Software on own":

EU(Success) = 0.5 * 252 = 126

EU(Moderate) = 0.3 * 222 = 66.6

EU(Failure) = 0.2 * 271 = 54.2

EU(Sell Software on own) = EU(Success) + EU(Moderate) + EU(Failure) = 126 + 66.6 + 54.2 = 246.8

4) EU for "Keep Current Operations":

EU(Keep Current Operations) = 281

Now, we compare the EU for each decision to determine the one with the highest EU:

EU(Sell Company) = 241

EU(Form Joint Venture) = 271

EU(Sell Software on own) = 246.8

EU(Keep Current Operations) = 281

The decision with the highest EU is "Keep Current Operations" with an EU of 281.

Therefore, the Final Expected Value using the EVUII method is 281.4

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Answer:

Article 2 is less than Rs.26700.15617

Answer:

19 = -37 + 8x

-8x= -37 -19

-8x = -56

x= 7

Traditionally, a region is defined as a desert if it receives less than 25 centimeters of rain per year. This is based on the fact that deserts are characterized by arid climates, which means that they receive very little rainfall. This lack of water creates a harsh and unforgiving environment that is inhospitable to most forms of life. However, it's important to note that this definition is not set in stone and can vary depending on the context. Some regions with higher rainfall amounts may still be considered deserts due to other factors, such as high evaporation rates and low humidity levels.

The definition of a desert is closely tied to its arid climate, which is characterized by very little rainfall. This lack of water creates a harsh and inhospitable environment that is unsuitable for most forms of life. As a result, the threshold for what is considered a desert is typically set at a certain level of rainfall. Traditionally, this level has been set at less than 25 centimeters per year, although there is some variation depending on the context. Other factors, such as high evaporation rates and low humidity levels, can also contribute to a region being classified as a desert.

In conclusion, a region is traditionally defined as a desert if it receives less than 25 centimeters of rain per year. This definition is based on the fact that deserts are characterized by arid climates, which are created by a lack of water. However, it's important to note that this definition can vary depending on the context and other factors, such as high evaporation rates and low humidity levels, can also contribute to a region being classified as a desert.

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Answer:

the area of mathematics concerned with the characteristics and connections between numbers, particularly positive integers.

Step-by-step explanation:

Number theory is a branch of pure mathematics devoted primarily to the study of the integers and integer-valued functions.

In this scenario, Apple Inc. claims that 21% of all Apple device users own an iPad. We are given a random sample of 377 Apple device users and asked to calculate the Z score if 36% of those sampled own an iPad, assuming the conditions are satisfied.

The Z score measures the number of standard deviations a data point is from the mean. It is calculated using the formula: Z = (x - μ) / σ, where x is the observed value, μ is the population mean, and σ is the population standard deviation.

To calculate the Z score in this case, we need to compare the observed proportion (36%) with the claimed proportion (21%). The standard deviation in this case is determined by the population proportion, which is given as 21%.

By substituting the values into the formula, we can calculate the Z score, which represents how many standard deviations the observed proportion is away from the claimed proportion.

The Z score allows us to assess the statistical significance of the observed proportion and determine if it significantly deviates from the claimed proportion.

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