I paid 99 euros for three shirts and two ties. What is the price of each item if a shirt costs €13 more than a tie?

The area of the given shape is 73.5 ft squared

The question content area indicates that we need to find the area of a shape with dimensions of 10 ft, 7 ft, and 11 ft. However, the units are not specified, so it is assumed that we are dealing with a two-dimensional shape and the units are in feet.
To find the area of this shape, we need to use the appropriate formula for the shape.

Since the question does not provide any further information about the shape, we cannot determine the formula for certain. However, based on the dimensions given, we can assume that this is a trapezoid.
The shape can be divided into a rectangle and a triangle.

Calculate the area of the rectangle.

The dimensions of the rectangle are 7 ft by 10 ft.

To find the area, multiply the length by the width:

Area of rectangle = length × width = 7 ft × 10 ft = 70 ft²

Calculate the area of the triangle.

The base of the triangle is 10 ft, and its height is the difference between the 11 ft and 7 ft sides of the shape, which is 4 ft.

Multiply the base by the height and then divide by 2:

Area of triangle = (base × height) / 2 = (10 ft × 4 ft) / 2 = 20 ft²

Total area = area of rectangle + area of triangle = 70 ft² + 20 ft² = 90 ft²

The formula for the area of a trapezoid is:
Area = ((b1 + b2) / 2) * h
where b1 and b2 are the lengths of the two parallel sides, and h is the height (or perpendicular distance between the parallel sides).
Using the given dimensions, we can plug them into the formula:
Area = ((10 + 11) / 2) * 7
Area = (21 / 2) * 7
Area = 147 / 2
Area = 73.5 ft squared
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The perimeter of the shaded region is 22.58 units.

What is perimeter of rectangle?

Perimeter of a rectangle is 2×(Length+Breadth).

Here in this figure we have three part. They are a rectangle and two semicircles.

Length of the rectangle is 13 unit and breadth is 6 unit

So, perimeter of the rectangle part = 2×(length+breadth) = 2×(13+6) = 38 unit

Again, diameter of two semicircles is 6 unit

So, radius of two semicircles will be [tex] \frac{6}{2} = 3 \: unit[/tex]

So, perimeter of one semicircle

[tex] = \pi \: r + 2r \\ = \pi \times 3 + 2 \times 3 \\ = 3\pi + 6[/tex]

Now, perimeter of two semicircles will be

[tex]2 \times (3\pi + 6) = 3(\pi + 2) \: unit[/tex]

If we subtract perimeter of two semicircles from the perimeter of rectangle then we will get perimeter of the shaded portion.

So, required perimeter of shaded region

[tex] = 38 - 3(\pi + 2) = (32 - 3\pi) = 22.58 \: unit[/tex]

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The time required to earn $300 in interst on a principal of $2,500.00 at an interest rate of 2% per year is 6 years.

Steve puts $2500 in an account that earns 2% interest yearly.

This means principal P = $2500

And interest rate as percentage (R) = 2%

He is trying to earn $300 in interest

I = $300

so, the final amount A = P + I

A = $2800

Now we convert the rate of interest R percent to r a decimal:

r = R/100

r = 2%/100

r = 0.02 per year,

We need to find the number of years t:

We know that the formula for the simple interest is:

A = P(1 + rt)

So, t = (1/r)[A/P - 1]

t = (1/0.02)((2800/2500) - 1)

t = 6

Therefore, the time required to earn $300 in interst = 6 years

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(a)The probability that the mean price for a sample of 40 federal income tax returns is within $16 of the population mean is 0.6884, (b)The probability that the mean price for a sample of 60 federal income tax returns is within $16 of the population mean is 0.7805. (c) The probability that the mean price for a sample of 81 federal income tax returns is within $16 of the population mean is 0.8502. (d) The best sample sizes are 153, and 154 so that at least a 0.95 probability that the sample mean is within $16 of the population mean

The solution to the given problem is as follows:A) For sample size of 40 Sample size, n=40Sample Mean, x = $273 Standard deviation of the population, σ= $100. Sampling Error = Standard error of mean = σ/√n = 100/√40 = $15.8114 therefore, the required probability is P(273-16 < x < 273+16) = P(256.99 < x < 289.0 1)Using the Central Limit Theorem, the standard normal distribution can be used for solving the problem.The required probability is given by;P(Z < (289.01 - 273)/15.81) - P(Z < (256.99 - 273)/15.81)P(Z < 1.012) - P(Z > -1.012) = 0.8453 - 0.1569 = 0.6884. (B) For sample size of 60, sample size, n=60 sample Mean, x = $273 standard deviation of the population, σ= $100 sampling Error = Standard error of mean = σ/√n = 100/√60 = $12.9155. therefore, the required probability is P(273-16 < x < 273+16) = P(256.99 < x < 289.01). Using the Central Limit Theorem, the standard normal distribution can be used for solving the problem.The required probability is given by;P(Z < (289.01 - 273)/12.92) - P(Z < (256.99 - 273)/12.92)P(Z < 1.2389) - P(Z > -1.2389) = 0.8907 - 0.1102 = 0.7805.

C) For sample size of 81Sample size, n=81, sample Mean, x = $273 standard deviation of the population, σ= $100 sampling Error = Standard error of mean = σ/√n = 100/√81 = $11.111. Therefore, the required probability is P(273-16 < x < 273+16) = P(256.99 < x < 289.01)Using the Central Limit Theorem, the standard normal distribution can be used for solving the problem.The required probability is given by;P(Z < (289.01 - 273)/11.11) - P(Z < (256.99 - 273)/11.11)P(Z < 1.4403) - P(Z > -1.4403) = 0.9251 - 0.0749 = 0.8502.D) To ensure that the sample mean is within $16 of the population mean with 95% confidence, we need to find out the sample size that has a probability of 0.95.Probability is given by;P(-1.96 < Z < 1.96) = 0.95The Z-scores are obtained from the standard normal distribution table or calculator. Here, the probability of Z being less than -1.96 is equal to the probability of Z being greater than 1.96. The Z-score for a 95% confidence interval is 1.96. Therefore,1.96 = (289.01 - 273)/σnFor n = 152.94For n = 153, 1.96 = (289.01 - 273)/σ√153The best sample sizes are 153, and 154 so that at least a 0.95 probability that the sample mean is within $16 of the population mean.

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In the trigonometric function , the length of the base of the ramp is

3.69 in.

What is trigonometric function?

The functions of an angle in a triangle are known as trigonometric functions, commonly referred to as circular functions. In other words, these trig functions provide the relationship between a triangle's angles and sides. There are five fundamental trigonometric functions: sine, cosine, tangent, cotangent, secant, and cosecant.

Here Height of ramp = 16in , angle = 13 degrees.

Now The skateboard ramp arrangement looks like a right angled triangle,

then using trigonometric ratio ,

=> tan 13° = opposite/adjacent

=> tan 13° = 16/x

=> x = 16/tan 13°

=> x = 3.69 in

Hence the length of the base of the ramp is 3.69 in.

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Items: 1 Pen: 1.50

     3 DVDS: ???

Total : 22.50

It is A, 1.5+3d=22.5.

Hope this helps!!!

It is not B because you are not multiplying the number and cost of 3 DVDS by the cost of one pen.

It is not C because you are not subtracting to find the total cost. You are adding.

It is not D because 3d is part of the total cost so that option just doesn't make sense.

The equivalent decimal of a fraction of 6/11 is given as follows:

0.5454.

To obtain the equivalent decimal of a fraction, divide the numerator (the top number) by the denominator (the bottom number) using a calculator or long division.

The fraction for this problem is given as follows:

6/11.

The numerator and the denominator of the fraction are given as follows:

The division of 6 by 11 has a result of 0.5454, hence the equivalent decimal of the fraction is given as follows:

0.5454.

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Answer:

6

Step-by-step explanation:

Answer:

the height is 6 meters

Step-by-step explanation:

v = [tex]\pi r^{2} h[/tex]

471 = 3.14(25)h

471 = 78.5h  Divide both sides by 78.5

[tex]\frac{471}{78.5}[/tex] = [tex]\frac{78.5h}{78.5}[/tex]

6 = h

Helping in the name of Jesus.

Each values of the function are;

[tex]F(3) = \frac{9}{2} , F(-12) = -\frac{1}{2} , F(\frac{1}{3}) = \frac{73}{2} , F(\frac{3}{4}) =\frac{33}{2}[/tex]

A function is a relationship between two sets of numbers, called the domain and the range, such that each input value from the domain corresponds to exactly one output value from the range. A function can be thought of as a rule that assigns to each input value a unique output value. The most common way to represent a function is by using an equation or formula that defines the relationship between the input values and the output values. The variable in a function represents the input values from the domain.

Given function;

[tex]F(x) = \frac{12}{x} + \frac{1}{2}[/tex]

We need to find the values of function [tex]F(3) , F(-12) , F(\frac{1}{3}) , F(\frac{3}{4})[/tex]

Put the values of x = 3, -12, 1/3, 3/4 one by one in the given function of      [tex]F(x) = \frac{12}{x} + \frac{1}{2}[/tex]

1.  If x= 3;        [tex]F(3) = \frac{12}{3} + \frac{1}{2} = \frac{9}{2}[/tex]

2. If x= -12;      [tex]F(-12) = \frac{12}{(-12)} + \frac{1}{2} = -1 + \frac{1}{2}[/tex]  [tex]= -\frac{1}{2}[/tex]

3.  If [tex]x=\frac{1}{3}[/tex];      [tex]F(\frac{1}{3} ) = \frac{12}{(\frac{1}{3}) } + \frac{1}{2} = 36+\frac{1}{2}[/tex] [tex]= \frac{73}{2}[/tex]

4.  If [tex]x=\frac{3}{4}[/tex];      [tex]F(\frac{3}{4} ) = \frac{12}{(\frac{3}{4}) } + \frac{1}{2} = 16 +\frac{1}{2}[/tex] [tex]= \frac{33}{2}[/tex]

Therefore the values are;  [tex]F(3) = \frac{9}{2} , F(-12) = -\frac{1}{2} , F(\frac{1}{3}) = \frac{73}{2} , F(\frac{3}{4}) =\frac{33}{2}[/tex]

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Complete question-

After answering the provided question, we can state that As a result, the equation shortcut is approximately 72.1 metres long. The length is 72.1 metres, rounded to the nearest tenth.

To calculate the length of the shortcut, we must apply the Pythagorean theorem, which states that the square of the hypotenuse (the longest side) in a right triangle is equal to the sum of the squares of the other two sides. The hypotenuse in this case is the shortcut PQ, and the other two sides are the distances from P to the park's corner (which we'll call A) and from Q to A.

shortcut length2 = 402 + 602

shortcut length2 = 1600 + 3600

shortcut length2 = 5200 = 72.1 metres

As a result, the shortcut is approximately 72.1 metres long. The length is 72.1 metres, rounded to the nearest tenth.

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The missing number in the blank is -5. To find the polynomial that multiplied by 327 is equal to -12s^2 - 62, we need to factorize the expression. We can start by finding the factors of 327. We can see that 327 = 3 x 109. Now, we need to express -12s^2 - 62 in terms of these factors. We can write:

-12s^2 - 62 = -6 x 2 x (s^2 + 5)

Therefore, the polynomial that multiplied by 327 is equal to -12s^2 - 62 is:

(2)(-6)(s^2 + 5)

= -12s^2 - 60

So, the missing number in the blank 322 ( ) = 2st - 62 is -5. We can write the complete polynomial as:

(2)(-6)(s^2 + 5) = -12s^2 - 60

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Answer:

c 136 degrees

Step-by-step explanation:

Answer:

Step-by-step explanation:

20 ➗ (4 * (10 - 8)

10 - 8 = 2 * 4 = 8

Then, 20 ➗ 8 = 2.5

It is a true statement that tangent segment is a line segment that has a point on the tangent line and on the center of the circle.

In geometry, a tangent segment is a line segment that intersects a circle at exactly one point, known as the point of tangency. This line segment is called a tangent because it touches the circle at a single point and does not cross through the circle.

The tangent segment's length is determined by the distance between the point of tangency and a point on the line that is outside the circle, known as the external point. This distance is equal to the radius of the circle, as the radius is the distance between the center of the circle and any point on the circle's circumference.

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Answer: The formula for the circumference of a circle is C = πd, where d is the diameter of the circle.

If the diameter of the circle is 8 inches, then:

C = πd

C = π(8)

C = 8π

Using an approximation of π as 3.14, we can estimate the circumference:

C ≈ 8 × 3.14

C ≈ 25.12

Therefore, the answer closest to the circumference of the circle is 25.12 inches.

Step-by-step explanation:

Therefore, the height of the statue is approximately 192 feet.

Height is a measure of how tall or high something or someone is, typically referring to the vertical distance from the base of an object or person to its highest point. It can be measured in various units such as feet, inches, meters, centimeters, etc. Height is an important physical characteristic of living organisms and is often used as a parameter in many applications, such as architecture, construction, athletics, and medical assessments.

by the question.

let A be the top of the statue, B be the position of the man, and θ be the angle of elevation from the man to the top of the statue. Let AB = h be the height of the statue and let BC = 270 ft be the distance between the man and the base of the statue.

We can use the tangent function to find the height of the statue:

tan(θ) = opp/adj = h/BC

Solving for h, we get:

h = tan(θ) * BC

Substituting θ = 34 degrees and BC = 270 ft, we get:

h = tan (34) * 270

h ≈ 192 ft

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The rectangular poster is 7 feet tall.

The rectangular shape in two dimensions has four sides, four corners, and four right angles (90°). Equal and parallel opposing sides make form a rectangle. Being a two-dimensional form, a rectangle has length and breadth as its two dimensions.

The procedure for calculating a rectangle's area may be used to get the rectangular poster's height:

Area = length * width

In this case, we know that the area is 35 square feet and the width (or base) is 5 feet. So we can rearrange the formula to solve for the length (or height):

length = Area / width

Substituting the values we get:

length = 35 sq ft / 5 ft = 7 ft

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A surgical procedure requires choosing among four alternative methodologies. the first can result in five possible outcomes, the second can result in two possible outcomes, and the remaining methodologies can each result in three possible outcomes. The total number of outcomes possible is 90.

The first one can result in five possible outcomes, the second one can result in two possible outcomes, and the remaining methodologies can each result in three possible outcomes. The total number of outcomes possible is a question the student needs an answer to.

To calculate the total number of outcomes, we have to multiply the number of results from the first methodology by the number of results from the second, third, and fourth methodologies. There are four alternative methodologies, and so we multiply the number of results from each methodology to calculate the total number of outcomes.However, we should use a calculator to solve this problem.

The first methodology can result in five possible outcomes, the second methodology can result in two possible outcomes, and the remaining methodologies can each result in three possible outcomes. We can use the following expression to determine the total number of outcomes:

5 × 2 × 3 × 3 = 90

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The function is not a polynomial function,

Leading coefficient, Constant, Highest degree, is not possible with a rational function, Type of function: Rational function

An expression is a mathematical equation that combines variables, numbers, and other mathematical operations to represent a value or a set of values. It can be simple or complex, and it is often used in algebra to solve problems and represent mathematical relationships.

We have the given function is, [tex]f(x)= 5x - 12 + x^3 + 9x^{-4} + x^2[/tex]

The standard form, means arranging the terms in descending order of degree; So,

[tex]f'(x) = x^3 + x^2 + 5x - 12 + 9x^{-4}[/tex]

No, the function f'(x) is not a polynomial function because it contains a term with a negative exponent, which makes it a rational function rather than a polynomial function.

To find the leading coefficient, constant, highest degree, and type of function of a polynomial function, we would put it in standard form, but this is not possible with a rational function.

Instead, we can identify that the term 9[tex]x^{-4}[/tex] is a rational term, which means it contains a variable raised to a negative exponent. Polynomial functions, by definition, cannot have terms with negative exponents, so f(x) is not a polynomial function.

In summary, the function [tex]f'(x) = x^3 + x^2 + 5x - 12 + 9x^{-4}[/tex] is a rational function, not a polynomial function, because it contains a term with a negative exponent.

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Answer:

messageAdam, Ben and Carly work out the mean of their ages.Adam is 4 years older than the mean. Ben is 1 year younger than the mean.Is Carly older or younger than the mean?By how many years?Let's start by finding the mean of their ages. We can do this by adding their ages and dividing by the number of people: Mean = (Adam's age + Ben's age + Carly's age) / 3 Let's call the mean "M" for now. We can use this to create two equations based on the information given: Adam = M + 4 Ben = M - 1 We can substitute these equations into the mean equation to get: M = (M + 4 + M - 1 + Carly's age) / 3 Simplifying this equation gives us: 3M = 2M + 3 + Carly's age Carly's age = M - 3 So Carly's age is younger than the mean by 3 years

Answer:2

Step-by-step explanation:bc

We cannot claim that the newsletter publisher's statement is incorrect. Hence, the conclusion is uncertain.

The newsletter publisher's claim is uncertain after performing a test at the 0.02 level of significance as the testing firm fails to reject the null hypothesis.

In this case, we cannot claim that the publisher's statement is incorrect without additional tests and proof. Here is an explanation of the above statement.

A hypothesis test is conducted to find out whether or not there is sufficient evidence to contradict a hypothesis. In this case, the hypothesis test's null hypothesis claims that the newsletter publisher's statement is correct.

The alternate hypothesis claims that the newsletter publisher's claim is incorrect. As a result, the null hypothesis is represented by [tex]H_0[/tex]:

p = 0.71 (71%) and

the alternate hypothesis is represented by [tex]H_a[/tex]:

p ≠ 0.71 (71%).

Where 'p' denotes the percentage of newsletter readers who own a Rolls Royce.

The test statistic for a sample proportion can be calculated by

z = (p - P) / √(P(1 - P) / n)

Where 'p' denotes the sample proportion,

P denotes the population proportion, and

n denotes the sample size.

A two-tailed test is used because the alternate hypothesis is written as [tex]H_a[/tex]:

p ≠ 0.71 (71%).

At a 0.02 significance level, the test statistic's critical value is ±2.58 (round off) Because the test statistic does not fall in the rejection region, we fail to reject the null hypothesis.

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The standard error of the average sample weight when 15 participants are randomly selected for the sample is 9.05 (rounded to two decimal places).

The standard error of the average sample weight when 15 participants are randomly selected for the sample can be calculated using the formula given below:SE = σ/√nWhere,σ = standard deviation of the populationn = sample sizeSE = standard error of the meansubstituting the given values,SE = 35/√15 = 9.05

Note:When using the given formula, it is important to note that it assumes a normal distribution of sample means. The standard error is used to estimate the true value of the mean from the sample data. The larger the sample size, the smaller the standard error. The smaller the standard error, the more precise the estimate of the true value of the mean.

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[tex]~~~~~~ \textit{Simple Interest Earned} \\\\ I = Prt\qquad \begin{cases} I=\textit{interest earned}\dotfill & \$ 2000\\ P=\textit{original amount deposited}\dotfill & \$5000\\ r=rate\to r\%\to \frac{r}{100}\\ t=years\dotfill &5 \end{cases} \\\\\\ 2000 = (5000)(\frac{r}{100})(5) \implies 2000=250r\implies \cfrac{2000}{250}=r\implies \stackrel{ \% }{8}=r[/tex]

Answer:

Steps:

1. Draw a 3 x 3 table

2. Place the titles on the left and top of the table (play sports and don't play sports on left for example and instruments on top)

3. Place the numbers inside accordingly

Hope this helped! Please mark brainliest!

Step-by-step explanation:

Let the two numbers be x and y.

We know that:

HCF(x,y) × LCM(x,y) = x × y

Substituting the given values:

4 × 288 = x × y

Simplifying:

x × y = 1152

Now we need to find two numbers whose product is 1152 and HCF is 4. One way to do this is to list all the factors of 1152 and find a pair of factors whose HCF is 4. However, we can also solve this problem by prime factorization.

Prime factorization of 1152:

1152 = 2^7 × 3^2

To find the two numbers, we need to divide these factors into two groups, one group for x and the other group for y. We can choose any combination of factors, as long as their product is 1152. However, we also need to ensure that the HCF of x and y is 4.

One possible way to do this is to choose one factor of 2 from the prime factorization of 1152 for x and the remaining factors for y:

x = 2^1 × 3^a

y = 2^6 × 3^b

where a and b are non-negative integers.

Multiplying x and y and equating to 1152, we get:

2^1 × 3^a × 2^6 × 3^b = 1152

Simplifying:

2^7 × 3^(a+b) = 1152

Since 1152 = 2^7 × 3^2, we have:

2^7 × 3^(a+b) = 2^7 × 3^2

Equating the exponents of 2, we get:

7 + 0 = 7

a + b = 2

Since the HCF of x and y is 4, we need to ensure that both x and y have a factor of 2^2 = 4. Thus, we choose a = 2 and b = 0:

x = 2^1 × 3^2 = 12

y = 2^6 × 3^0 = 64

Therefore, the two numbers are 12 and 64.

Answer:

Britney will run approximately 9,090 meters in total.

Step-by-step explanation:

To solve the problem, we can use the Law of Cosines to find the distance of the final straight line back to her starting position.

Let A be the starting position, B be the end of the first leg, and C be the end of the second leg. Then, we have:

AB = 2.1 km BC = 3.3 km ∠ABC = 180° - 105° = 75°

Using the Law of Cosines, we have:

AC² = AB² + BC² - 2(AB)(BC)cos(∠ABC)

AC² = (2.1)² + (3.3)² - 2(2.1)(3.3)cos(75°) AC ≈ 3.69 km

Therefore, Britney will run a total distance of approximately:

2.1 km + 3.3 km + 3.69 km ≈ 9.09 km

So, Britney will run approximately 9,090 meters in total.