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The overlap of the doors is 20% of the width of the doorway.

For given Semi-circle shaped window,  the distance around the window is 38.55 inch.

What exactly is a circle?

A circle is a closed two-dimensional shape in which all points on the boundary are equidistant from a single point called the center. It is formed by taking all points in a plane that are a fixed distance (called the radius) away from the center. The distance around the circle's boundary is called the circumference, and the distance from the center to any point on the boundary is the radius.

Now,

As radius of semicircle = 7.5 in and

Circumference is given by = πr⇒3.14*7.5=23.55 inch

Perimeter of window= πr+D

D=diameter

P=23.55+15

P=38.55 inch

Hence,

         the distance around the window is 38.55 inch.

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Using the given information, the volume of the sphere is approximately 1521.88 cubic units, rounded to the hundredths place

From the question, we are to determine the volume of the sphere.

Let's start by using the formula for the circumference of a circle,

C = 2πr,

Where C is the circumference

and r is the radius.

Since the circumference of the great circle is given as 14π, we can solve for the radius as follows:

14π = 2πr

Dividing both sides by 2π, we get:

r = 7

Now, we can use the formula for the volume of a sphere,

V = (4/3)πr³

Where V is the volume

and r is the radius.

Substituting the value of r that we found, we get:

V = (4/3)π(7)³

V = (4/3)π(343)

V = 4/3 * 1141.45

V = 1521.88

Hence, the volume of the sphere is 1521.88 cubic units.

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Answer:

(1, 6)

Step-by-step explanation:

6x + 5y = 36 ----> 6x + 5y = 36

3x - 2y = -9 ----> -6x + 4y = 18

------------------

9y = 54

y = 6

3x - 2(6) = -9

3x - 12 = -9

3x = 3

x = 1

So the solution is (1, 6).

Answer: Any value of f that is less than 3 1/3 satisfies the inequality. The solutions to the inequality are all values of f that are less than 3 1/3.

Step-by-step explanation:

In the given context, the function f(t) = 13.5 sin(5 * 2πt) + 20 describes the vertical position of a point on the bicycle wheel, in inches, at any given time t in seconds.

The amplitude of the sine function, which is 13.5 in this case, determines the maximum displacement or distance of the point on the wheel from its equilibrium position (the midline).

In other words, the point on the wheel moves up and down by a maximum distance of 13.5 inches from the center of the wheel as it spins. This means that the diameter of the wheel is twice the amplitude, which is 27 inches.

So, 13.5 is the amplitude of the sine function and represents the maximum displacement of the point on the bicycle wheel from its equilibrium position.

Answer:

The 13.5 in this context is the amplitude of the sine function. It represents the maximum displacement of the point from its equilibrium position.

The function f(t) = 13.5 sin (5 * 2πt) + 20 describes the vertical position of a point on the wheel as a function of time. The sine function represents the cyclical motion of the point. The amplitude of the sine function is 13.5, which means that the point will move a maximum of 13.5 inches above or below its equilibrium position.

Step-by-step explanation:

Answer:

1/2

Step-by-step explanation:

a dice has 6 sides

even sides are: 2 4 6

odd sides are:  1 3 5

because there the same amount of even/odd sides is 1/2 or 3/6

Answer:

1 coat rack is $561.30

Step-by-step explanation:

8,419.50/15=561.30

Answer:

  90.0 cm²

Step-by-step explanation:

You want to know the area of the composite figure shown.

The vertical side and hypotenuse of the right triangle are 9 cm and 15 cm. These have the ratio 9/15 = 3/5, so we know this triangle is a 3-4-5 right triangle with a scale factor of 3. The missing side length is 3·(4 cm) = 12 cm.

So, the figure is a trapezoid with a top base of 4 cm, a bottom base of 4+12 = 16 cm, and a height of 9 cm. Its area is ...

  A = 1/2(b1 +b2)h

  A = 1/2(4 cm +16 cm)(9 cm)

  A = 90 cm²

The area of the figure is 90.0 cm².

__

Additional comment

In case you don't recognize the 3:4:5 side ratio, you can figure the base of the triangle using the Pythagorean theorem:

  a² +b² = c²

  a² = c² -b² = 15² -9² = 225 -81 = 144

  a = √144 = 12 . . . . . length of CD in cm

Other useful Pythagorean triples you will see are {5, 12, 13}, {7, 24, 25}, {8, 15, 17}.

Answer:

x=80

Step-by-step explanation:

Since, you do not know the percent you need to put a variable so we are going to named x and then we are going to cross multiply then we solv the equation.

Answer:

56 is 80% of 70

Step-by-step explanation:

[tex]\frac{56}{70} (100)=\frac{(56)(100)}{70} =\frac{5600}{70} =80[/tex]

Hope this helps.

The equation that will likely have the graph attached is

The first step will be checking the y intercepts of the equations. Considering the graph the y intercept is in the positive hence equation in d is eliminated

Another factor is vertex, solving for the vertex of the remaining equations would show the equation that has a vertex that would be in that position

Otherwise plot the graph of all the equations and match the likely equations to the graphs

Matching the equations to their graphs shows that graph of y = 3x² - 2x + 1 is attached

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Answer:

The point of reflection has coordinates:

---------------------------------

Use the graph to determine the point A and given line.

Point A has coordinates (4, 3).

Use two points on the line to get its slope:

It gives us the y-intercept of b = 1 and slope of:

The line is:

We know he line of reflection is equidistant from the original point A and its image A'.

The line segment AA' is perpendicular to the line of reflection and the point of intersection is the midpoint of AA'.

Now, let's determine the midpoint of AA'.

The segment AA' has a slope of m = 1/2 as the perpendicular slope to the given line, they are opposite-reciprocals.

Use coordinates of A and the slope to determine the line AA', using point-slope equation:

Find the intersection of the two lines, by solving the system:

The y-coordinate:

The point of intersection is (0, 1).

Use midpoint equation to determine the coordinates of the reflected point A'(x, y):

So the point A' is (- 4, - 1).

Answer:

[tex]9(x - 1)(x-3)[/tex]

Step-by-step explanation:

[tex]9 {x}^{2} - 36x + 27[/tex]

[tex]9x(x - 1) - 27(x - 1)[/tex]

[tex](x - 1)(9x - 27)[/tex]

9(x-1)(x-3)

The probability that a sample of five parts from a production process that produces 3% defective parts contains exactly two defective parts is approximately 0.2834.

To find this probability, we can use the binomial probability formula:

P(X = 2) = (5 choose 2) * 0.03^2 * (1 - 0.03)^3

Where "X" is the number of defective parts in the sample, "5 choose 2" represents the number of ways to choose 2 defective parts out of 5, and 0.03 and (1 - 0.03) represent the probabilities of selecting a defective and non-defective part, respectively.

Using a calculator, we can simplify and compute:

P(X = 2) = (5 choose 2) * 0.03^2 * 0.97^3

= 10 * 0.0009 * 0.9127

≈ 0.0081

Therefore, the probability is approximately 0.0081 or 0.81%.

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Answer:

3x² + 3x - 6

Step-by-step explanation:

(3x - 3)(x + 2)

each term in the second factor is multiplied by each term in the first factor, that is

3x(x + 2) - 3(x + 2) ← distribute parenthesis

= 3x² + 6x - 3x - 6 ← collect like terms

= 3x² + 3x - 6

The character of Rue, who was a companion of Katniss from District 11 during the Hunger Games, is no longer alive at the beginning of the novel, but her legacy and her family have significance in the story's developments.

What is statement?

A statement is a declarative sentence that expresses a complete thought or idea. It is a sentence that makes a claim or expresses a fact, opinion, or belief about something.

At the end of the first book, The Hunger Games, Katniss Everdeen and her fellow tribute from District 12, Peeta Mellark, are the winners of the 74th Hunger Games. They return to District 12 as victors, but the Capitol is not pleased with their act of defiance during the Games, where they both chose to eat poisonous berries instead of killing each other, forcing the Gamemakers to declare them both winners.

As a result of their defiance, Katniss and Peeta have become symbols of hope for the oppressed districts, and the Capitol fears that their actions could spark a rebellion. To prevent this, the Capitol announces a special edition of the Hunger Games, called the Quarter Quell, which occurs every 25 years and has special rules.

At the start of Catching Fire, Katniss is dealing with the aftermath of the first Games and is struggling with post-traumatic stress disorder (PTSD) and survivor's guilt. She is also trying to navigate her complicated relationship with Peeta, who has publicly declared his love for her.

However, her world is turned upside down when the Capitol announces the rules of the Quarter Quell: this time, the tributes will be selected from the existing pool of Hunger Games victors. This means that Katniss and Peeta, as previous winners, are once again forced to compete in the Games.

As Katniss prepares for the Games, she is also dealing with the death of her younger sister Primrose, who dies in a bombing that destroys District 12. The bombing is believed to be the work of the Capitol, who are punishing District 12 for Katniss's and Peeta's defiance in the previous Games.

The character of Rue, who was a companion of Katniss from District 11 during the Hunger Games, is no longer alive at the beginning of the novel, but her legacy and her family have significance in the story's developments.

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Option A : The surface area of the larger sphere is 602.88 [tex]in^2[/tex].

Let's use the formula for the surface area of a sphere: A = 4π[tex]r^2[/tex], where r is the radius of the sphere.

Let's call the radius of the smaller sphere "r1" and the radius of the larger sphere "r2". We know that the surface area of the smaller sphere is 200.96 [tex]in^2[/tex], so we can set up the equation:

4π[tex]r1^2[/tex] = 200.96

Solving for r1, we get:

r1 = √(200.96 / 4π) ≈ 2.8

A2 / A1 = [tex](r2 / r1)^2[/tex]

A2 = [tex]A1 (r2 / r1)^2[/tex]

We know A1 = 200.96 [tex]in^2[/tex] and r1 ≈ 2.8, and we want to find r2, so we can use the formula for the volume of a sphere to relate r1 and r2:

(4/3)π[tex]r1^3[/tex] = (4/3)π[tex]r2^3[/tex]

Solving for r2, we get:

r2 = [tex]r1 (3)^(1/3)[/tex] ≈ 3.3

Now we can plug in the values for A1, r1, and r2:

A2 = [tex]200.96 (3.3 / 2.8)^2[/tex] ≈ 301.44

Therefore, the larger sphere has a surface area of roughly 301.44 in2, making answer choice C appropriate.

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student can answer the questions on the test in 16,384 different ways if they answer every question.

To determine the number of ways a student can answer the questions on a multiple-choice test containing 7 questions with four possible answers for each question, we will use the multiplication principle. The multiplication principle states that if there are a number of independent choices, then the total number of possible outcomes is the product of the number of choices.
Identify the number of questions and possible answers. In this case, there are 7 questions and 4 possible answers for each question.
Calculate the number of ways to answer each question. Since there are 4 possible answers for each question, there are 4 ways to answer each of the 7 questions.
Apply the multiplication principle. To find the total number of ways to answer all 7 questions, multiply the number of ways to answer each question:
Total number of ways = (4 ways for question 1) x (4 ways for question 2) x ... x (4 ways for question 7)
Perform the calculation. Since there are 7 questions and 4 ways to answer each question, the total number of ways is:
Total number of ways = 4^7 = 16,384

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By working with the exponential equation we will get:

i) N = 1000

ii) k = -0.02

iii) t = 34.66 seconds

Here we know that the equation:

[tex]N = 1000*e^{-k*t}[/tex]

models the population at a time t.

i) When t = 0, we have:

[tex]N = 1000*e^{-k*0}\\N = 1000*1\\N = 1000[/tex]

That is the initial population of bacteria.

ii) at t = 0, the rate of decay is -20 /min

the differentiation of the exponential gives:

[tex]N' = -k*1000*e^{-k*t}[/tex]

And evaluating that in t = 0 should give -20., then:

[tex]-20 = -k*1000*e^{-k*t}\\\\-20 = -k*1000\\-20/1000 = -k\\-0.02 = -k\\0.02 = k[/tex]

That is the value of k.

iii) Here we need to solve the equation:

[tex]500= 1000*e^{-0.02*t}\\\\0.5 = e^{-0.02*t}\\\\ln(0.5) = ln(e^{-0.02*t})\\\\ln(0.5) = -0.02*t\\\\ln(0.5)/ -0.02 = t\\ \\34.66 = t[/tex]

So it will take 34.66 seconds to reach half of the initial population.

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The answer is option (d): ∅= π/2 , 2 π+ π/2, 4 π+ π/2, 6 π+ π/2. we got answer by solving sine function .

what is  sine function ?

The sine function is a mathematical function that relates the angles of a right triangle to the lengths of its sides. In particular, the sine of an angle is defined as the ratio of the length of the side opposite the angle to the length of the hypotenuse of the triangle.

In the given question,

The function y = sin(∅) equals 1 at values of ∅ where the sine function has a maximum value of 1. The maximum value of sine occurs at angles that are odd multiples of  π/2, i.e., at  π/2, 3 π/2, 5 π/2, etc.

We need to find all such values of ∅ in the interval 0 <= ∅ <= 8 π. The possible values of ∅ that satisfy this condition are:

π/2 (odd multiple of  π/2 within the interval)

2 π+ π/2 (odd multiple of  π/2 within the interval)

4 π+ π/2 (odd multiple of  π/2 within the interval)

6 π+ π/2 (odd multiple of  π/2 within the interval)

8 π (endpoint of the interval, where sin(8 π) = 0)

Therefore, the answer is option (d): ∅=  π/2 , 2 π+ π/2, 4 π+ π/2, 6 π+ π/2.

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3 divided by 2 is equal tο 1 and 1/2.

A divisiοn divides a larger number intο smaller grοups with the same number οf cοnstituents. It is οne οf the basic mathematical οperatiοns. Hοw many tοtal grοups will be fοrmed, fοr example, if 20 students need tο be divided intο five grοups fοr a spοrting event?

It is easy tο address such challenges thanks tο divisiοn and cοοperatiοn. In this scenariο, multiply 20 by 5. The UTCMe is gοing tο be 20 x 5 = 4. There will be fοur grοups οf five students each. Yοu may cοnfirm this number by multiplying 4 by 5 and getting the answer 20.

When dividing 3 by 2, we get a quοtient οf 1 with a remainder οf 1. Tο write this quοtient as a mixed number, we take the quοtient (1) as the whοle number part οf the mixed number and write the remainder (1) as the numeratοr οf the fractiοnal part.

Then, the denοminatοr οf the fractiοnal part is the same as the divisοr (2) in the οriginal divisiοn prοblem.

So, the mixed number form of 3 ÷ 2 is:

1 1/2

Hence, 3 divided by 2 is equal to 1 and 1/2.

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The value of x in the rhombus is - 96.

A rhombus is a quadrilateral with 4 sides equal to each other. The opposite sides of a rhombus are parallel. The opposite angles are congruent. The diagonals are perpendicular and they bisect each other. The adjacent angles are supplementary.

Therefore,

m∠TXU = (-x - 6) degrees

Hence,

-x -6 = 90

add 6 to both sides of the equations

-x -6 = 90

-x -6 + 6 = 90 + 6

-x = 96

Therefore,

x = -96

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The standard error to be used in the formula of a confidence interval for the difference in proportions is 0.07.

The estimated standard deviation of a statistical sample population is known as the standard error (SE) of a statistic.

By utilising standard deviation, the standard error is a statistical concept that assesses how well a sample distribution represents a population. In statistics, the difference between a sample mean and the population's actual mean is known as the standard error of the mean.

The standard error's primary function is to indicate how divergent the population mean will be from the sample mean. Because it aids in determining how well the standard data reflect the entire population, the standard error is significant. We may readily draw reliable conclusions by calculating the standard error in order to determine how representative our sample is of our population.

56 out of 100 boys = P1 = 0.56

43 out of 100 girls = P2 = 0.43

The formula for standard is given by,

[tex]S.E=\sqrt{\frac{P_1(1-P_1)}{n1} +\frac{P_2(1-P_2)}{n2} } \\=\sqrt{\frac{0.56(1-0.56)}{100} +\frac{0.43(1-0.43)}{100} } \\\\= \sqrt{\frac{0.2464}{100} +\frac{0.2451}{100} } \\\\=\sqrt{0.004915} \\=0.07[/tex]

Therefore, the standard error is 0.07.

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Answer:

ans is 1.

7+3×n+3×1-8

then u get the frst option

other options are wrong 10 n never possible