Determine the measure of CEB and then m need asap

Determine The Measure Of CEB And Then Mneed Asap

Answers

Answer 1

The measure of angle subtended by the arc CEB is 210⁰.

The value of m∠CDB is 30⁰.

What is measure of arc angle CEB  and angle m∠CDB?

The measure of angle subtended by the arc CEB is calculated by applying the following formula.

The sum of angles in a circle = 360⁰, so the value of arc CEB is calculated as;

arc CEB = 360 - 150⁰

arc CEB = 210⁰

Based on the angle of intersecting chord theorem, we will have the following equation to determine the value of m∠CDB.

m∠CDB = ¹/₂ (210 - 150)

m∠CDB = 30⁰

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Related Questions

(-77.92) + (-8.39) + 59.4 - (-91.77)

Answers

Answer:

64.86

Step-by-step explanation:

Given: (-77.92) + (-8.39) + 59.4 - (-91.77)

The + and - will become -, and the - and - will become +:

-77.92 - 8.39 + 59.4 + 91.77

Finally, calculate:

-86.31 + 151.17

= 64.86

our local maternity ward delivers 1,500 babies per year. on the average, 5 beds in the maternity ward are filled. how long does the average mother stay in the maternity ward?

Answers

The average mother stays in the maternity ward when local maternity ward delivers 1,500 babies per year is equal to 1.22 days.

Total number of babies delivered by maternity ward per year = 1,500

⇒ Total number of patients = 1,500

On average number of beds filled in the maternity ward at any given time = 5

Total patient days per year is,

⇒ Total patient days = Average number of beds filled x Number of days in a year

Since there are 365 days in a year,

⇒Total patient days = 5 x 365

                                 = 1,825

Use the formula,

Average length of stay = Total patient days / Total number of patients

⇒Average length of stay = 1,825 / 1,500

⇒Average length of stay = 1.22 days

Therefore, the average mother stays in the maternity ward for 1.22 days.

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I messed this up please help me out with explanation

Answers

Answer:

  (B) one

Step-by-step explanation:

You want to know how many points on the interval [0, 5] the function f(x) = e^(2x) have a slope equal to the average slope.

Rate of change

The instantaneous rate of change of function f(x) is its derivative:

  f'(x) = 2e^(2x)

This is a continuously increasing function (as is f(x)), so in any given interval there will be only one point that has any given slope.

The Mean Value Theorem says there is at least one point in the interval with the same slope as the average slope. The nature of the derivative tells you there is exactly one point with the same slope as the average slope.

Where

The average rate of change on [0, 5] is ...

  AROC = (e^(2·5) -e^(2·0))/(5 -0) = (e^10 -1)/5

The instantaneous rate of change will have that value where ...

  f'(x) = 2e^(2x) = (e^10 -1)/5

  2x = ln((e^10 -1)/10)

  x = ln((e^10 -1)/10)/2 ≈ 3.84868475302

For this value of x, f'(x) = AROC

Kayla developed a study to determine the populations of fish in
a lake. She took two random samples in the winter and again in
the summer. She organized her data in the following table. What valid inference can Kayla make about the entire fish population in the pond. Select all that apply.(There are two correct answers)

Answers

Answer:

7.81 units

Step-by-step explanation:

To find the distance between two points, we can use the distance formula:

d = √((x2 - x1)^2 + (y2 - y1)^2)

where (x1, y1) and (x2, y2) are the coordinates of the two points.

Using the coordinates given in the problem, we can plug in the values into the formula:

d = √((4 - (-2))^2 + (1 - (-4))^2)

Simplifying this expression, we get:

d = √((6)^2 + (5)^2)

d = √(36 + 25)

d = √61

Therefore, the distance between the two points (-2,-4) and (4,1) is √61 (square root of 61), which is approximately 7.81 units.

A weather station on the top of a mountain reports that the temperature is currently oc and has been falling at a constant rate of 3c per hour.if it continues to fall at this rate find each indicated temperature explain or show your reasoning

Answers

Therefore , the solution of the given problem of unitary method comes out to be the temperature will continue to drop at a rate of 3°C per hour, meaning that it will be 3°C colder .

What is a unitary method?

The task may be completed using this generally accepted ease, preexisting variables, as well as any significant components from the original Diocesan customizable query. If so, you may have another opportunity to interact with the item. Otherwise, all significant factors that affect how algorithmic factor proof behaves will be gone.

Here,

=> T = -3t + 0

We need only change the value of t in the equation and simplify to determine the temperature at a particular moment.

For instance:

T equals 1 after one hour:

=> T = -3(1) + 0 T = -3

So, the weather is -3°C after an hour.

T equals 2 after two hours:

=> T = -3(2) + 0 T = -6

Thus, the temperature is -6°C after two hours.

T equals 3 after three hours:

=> T = -3(3) + 0 T = -9

So, the weather is -9°C after three hours.

so forth,

As a result, the temperature will continue to drop at a rate of 3°C per hour, meaning that it will be 3°C colder after each hour than it was the hour before.

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The solid edges below form the triangle. The dashed lines are just there to help us find the height.
Area inside the solid lines=

Answers

Answer: 96 in squared.

First find the area of the whole triangle:

= 1/2(24+6)(8)

= 1/2(30)(8)

= 120


Then, find the area of the triangle formed by dotted lines:

= 1/2(6)(8)

= 24


Subtract the two areas:

= 120 - 24

= 96

a bowl contains 7 7 red balls and 8 8 blue balls. a woman selects 4 balls at random from the bowl. how many different selections are possible if at least 3 balls must be blue?

Answers

If at least 3 of 4 balls must be blue then the number of possible selections = 462

Let us assume that m represents the number of red balls in a bowl.

So, m = 7

And n  represents the number of blue balls in a bowl.

So, n = 8

A woman selects 4 balls at random from the bowl.

We need to find the number of possible selections if at least 3 balls must be blue.

The first combination would be 4 blue balls + 0 red balls

And the second combination would be 3 blue balls + 1 red ball

so, using combination formula the number of possible selecctions:

(⁸C₄ × ⁷C₀) + (⁸C₃ ×  ⁷C₁)

= (70 × 1) +(56 × 7)

= 462

Therefore, the number of possible selections: 462

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Will give you brainliest answer
Enlarge shape A by scale factor 2 with centre of enlargement (-3, -5).

What are the coordinates of the vertices of the image?

Answers

The coordinates of the vertices of the enlarged shape A are (3, -3), (7, -3), (1, -6), and (0, -6).

What do you mean by scale factor?

In mathematics and geometry, a scale factor is a numerical factor that describes how much a figure or object has been enlarged or reduced in size. It is the ratio of any two corresponding lengths in the original figure and the scaled figure.

What is vertices?

In geometry, a vertex (plural vertices) is a point where two or more line segments, lines, or rays meet to form an angle. In other words, a vertex is a point where two or more edges of a polygon, polyhedron, or any other geometrical shape meet.

In the given question,

To enlarge the shape A by a scale factor of 2 with a centre of enlargement of (-3, -5), we need to:

Translate the centre of enlargement to the origin (0, 0) by adding 3 to the x-coordinates and 5 to the y-coordinates of all points.

Apply the enlargement by multiplying the coordinates of each point by 2.

Translate the centre of enlargement back to its original position by subtracting 3 from the x-coordinates and 5 from the y-coordinates of all points.

So, the coordinates of the vertices of the enlarged shape A are:

Vertex 1:

Original coordinates: (0, -4)

Translate to origin: (3, 1)

Enlarge: (6, 2)

Translate back: (3, -3)

Final coordinates: (3, -3)

Vertex 2:

Original coordinates: (2, -4)

Translate to origin: (5, 1)

Enlarge: (10, 2)

Translate back: (7, -3)

Final coordinates: (7, -3)

Vertex 3:

Original coordinates: (1, -6)

Translate to origin: (4, -1)

Enlarge: (8, -2)

Translate back: (1, -6)

Final coordinates: (1, -6)

Vertex 4:

Original coordinates: (0, -6)

Translate to origin: (3, -1)

Enlarge: (6, -2)

Translate back: (0, -6)

Final coordinates: (0, -6)

Therefore, the coordinates of the vertices of the enlarged shape A are (3, -3), (7, -3), (1, -6), and (0, -6).

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please show with working out

Answers

According to the information, each of the cases of equations has a different solution depending on the value that is given to the unknown or x.

How to explain each equation case?

Let p = √(x - 3), then the equation becomes p^2 - 2p - 3 = 0. This is a quadratic equation that can be factored as (p - 3)(p + 1) = 0. Therefore, p = 3 or p = -1. Since p = √(x - 3) and we want real solutions, we have two cases:

Case 1: p = √(x - 3) = 3. Squaring both sides, we get x - 3 = 9, so x = 12.

Case 2: p = √(x - 3) = -1. This case gives no real solution, since the square root of a real number cannot be negative. Therefore, the only real solution is x = 12.

Let p = √(x - 5), then the equation becomes p^2 - 4p - 12 = 0. This is a quadratic equation that can be factored as (p - 6)(p + 2) = 0. Therefore, p = 6 or p = -2. Since p = √(x - 5) and we want a real solution, we have only one case:

Case 1: p = √(x - 5) = 6. Squaring both sides, we get x - 5 = 36, so x = 41. However, we need to check that this solution is valid. Since p = √(x - 5) = 6 > 0, we have x - 5 > 0, so x > 5. Therefore, the only real solution is x = 41.

Let p = 3^x, then the equation becomes p^2 + 11p - 12 = 0. This is a quadratic equation that can be factored as (p + 12)(p - 1) = 0. Therefore, p = -12 or p = 1. Since p = 3^x and we want a real solution, we have only one case:

Case 1: p = 3^x = 1. This gives x = 0. However, we need to check that this solution is valid. Since 3^x > 0 for all x, we have x > -∞. Therefore, the only real solution is x = 0.

There is only one real solution because the function 9^x + (11x3^x) - 12 is continuous and strictly increasing for all x, which means that it can cross the x-axis at most once. Since we have found one real solution, there cannot be any others.

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david has real 18 pages more than 1/4 pages of a book. write an expressions to represents the p pages david has read.

Answers

The expression to represent the p pages David has read is: p = 18 + (1/4)x, where x is the total number of pages in the book.

David has read 18 pages more than 1/4 pages of a book. The expression to represent the p pages that David has read would be: p = 18 + (1/4)x, where x is the total number of pages in the book. The reasoning behind this is as follows:

David has already read 18 pages more than 1/4 of the book, so we have to add 18 pages to whatever the pages of the book are. Since we don't know what the actual number of pages are, we'll call that x. Therefore, David read 1/4 of the book (or 1/4 of x) plus 18 pages.

Hence, the expression is: p = 18 + (1/4)x.

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Please help me! LIKE RNWWW. I HAVE BEEN WAITING AND NO ONE HAS BEEN HELPING. THIS IS DUE AT 2:15 PM!!!! IN TWO MINSSS!!!!! A game has 15 balls for each of the letters B, I, N, G, O. The table shows the results of drawing balls 1,250 times.
Letter Frequency


B 247

I 272

N 238

G 241

O 252


For which letter is the experimental probability closest to the theoretical probability? Explain please.

Answers

The letter O has the experimental probability that is closest to its theoretical probability.

Define the term probability?

Probability is an area of statistics that deals with the study of random events and their likelihood of occurrence.

The theoretical probability of drawing a particular letter is the number of balls of that letter divided by the total number of balls in the game. For each letter, the theoretical probability is:

B: 15/75 = 0.2

I: 15/75 = 0.2

N: 15/75 = 0.2

G: 15/75 = 0.2

O: 15/75 = 0.2

The experimental probability of drawing a particular letter is the number of times that letter was actually drawn divided by the total number of draws. For each letter, the experimental probability is:

B: 247/1250 = 0.1976

I: 272/1250 = 0.2176

N: 238/1250 = 0.1904

G: 241/1250 = 0.1928

O: 252/1250 = 0.2016

Compare the differences between the theoretical and experimental probabilities for each letter. The letter with the smallest difference is the one whose experimental probability is closest to its theoretical probability.

Here, the differences between the theoretical and experimental probabilities for each letter are:

B: 0.2 - 0.1976 = 0.0024

I: 0.2 - 0.2176 = 0.0176

N: 0.2 - 0.1904 = 0.0096

G: 0.2 - 0.1928 = 0.0072

O: 0.2 - 0.2016 = 0.0016

Based on these calculations, we can see that the letter O has the smallest difference between its theoretical and experimental probabilities, with a difference of only 0.0016.

Therefore, the letter O has the experimental probability that is closest to its theoretical probability.

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Chase throws a football in the air. The height of the football t seconds after it is thrown can be modeled by h(t)=-16t(t-2)^2+40. What is the maximum height of the ball? When does it reach this height?

Answers

the maximum height is 40. the maximum height is reached in 2 seconds

what is the value of u?

Answers

Answer:26

Step-by-step explanation:

in 2001, the population of a district was 26,100. with a continuous annual growth rate of approximately 4%, what will the population be in 2026 according to the exponential growth function?

Answers

The population in 2026 according to the exponential growth function will be approximately 54,515.

According to the exponential growth function, what will be the population in 2026 if in 2001 the population of a district was 26,100 and with a continuous annual growth rate of approximately 4%?

Given,

The population in 2001 = 26,100

Annual growth rate = 4%

Population growth function can be written as,

[tex]P(t) = P0e^rt[/tex]

Where,P(t) = Population after t years

P0 = Population at time t = 0

r = Annual growth rate (in decimal form)

t = Time (in years)

According to the given question,In the year 2026, the number of years from 2001 is,2026 – 2001 = 25 years

Therefore,t = 25 years

r = 4% = 0.04

Using these values in the population growth function,

[tex]P(t) = P0e^rt[/tex]

Population in 2026 = P(25)

[tex]P(25) = 26,100e^(0.04 x 25)[/tex]

P(25) = 26,100e

P(25) ≈ 54,515

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Between 1989 and 1998, the population of Smalltown, USA (in thousands) can be modeled by I(x) = 0.34x2 - 4.08x + 16.2, where x = 0 represents 1989. Bassed on this model, in what
year did the population of Smalltown reach its minimum?

Answers

Using functions, we can find that the population of Smalltown reached its minimum in year 1995.

Define function?

Functions are the central idea of calculus in mathematics. The functions are special types of relations. A function is a rule that generates a unique outcome for each input x in mathematics.

A mapping or transformation in mathematics represents a function.

The minimum point of this function corresponds to the vertex of the upward-opening parabola it creates.

You must consider the sign of the coefficient of the quadratic term, "a," in order to calculate the direction of the parabola without graphing it.

The parabola widens if the value of "a" is positive.

The parabola begins at the bottom if "a" is negative.

Now, you must use the following formula to find the x-coordinate of the vertex of a quadratic function represented in standard form:

x = -b/2a

a = 0.34

b = -4.08

x = -(-4.08)/2 × 0.34

= 4.08/0.68

= 6

Now, f (6) = 0.34 × 6² - 4.08 × 6 + 16.2

= 12.24 - 24.48 + 16.2

= 3.96

≈ 4

So, coordinates of the vertices are: (6,4)

If x = 0 is year 1989

Then, x = 6 is year 1989 + 6 = 1995.

This means that the population of Smalltown reached its minimum in year 1995.

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please answer soon!!!!!!!

Answers

Answer:

i believe its D

im sorry if i am incorrect

Answer:

D is the answer

Step-by-step explanation:

April has a sheet of paper that is 4 feet long. She cuts the length of paper into halves and then cuts the length of each of these 1 2 pieces into thirds. How many pieces does she have? How many inches long is each piece? April has pieces. Each piece is inches long

Answers

April has six pieces of paper, each measuring 8 inches in length which can be calculated using fractions.

April starts with a sheet of paper that is 4 feet long, which is equivalent to 48 inches since there are 12 inches in a foot. She then cuts the length of paper into halves, which gives her two pieces, each of them 24 inches long.

Next, she cuts the length of each of these 24-inch pieces into thirds, which gives her six pieces in total. Each of these pieces is 8 inches long, since 24 divided by 3 equals 8. Therefore, April has six pieces of paper, and each piece is 8 inches long.

It's worth noting that April's process of cutting the paper into halves and then into thirds is an example of how fractions can be used to divide a whole into equal parts. In this case, cutting the paper into halves means dividing it into two equal parts, and cutting each of these halves into thirds means dividing each half into three equal parts.

Overall, April has six pieces of paper, each measuring 8 inches in length. These pieces could be useful for various purposes, such as for creating small origami figures, for making decorations, or for use in a crafting project.

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is -2/3 less than or greater than -5/2?????????/

Answers

Answer:

Greater than

Step-by-step explanation:

With negative numbers the smaller it is, the more its worth. (If that makes sense) -2 is MUCH bigger than -500

:)

Teacher said K=144, but I'm not sure how to solve from here. Please explain!

Answers

Answer:

144

Step-by-step explanation:

The angles on the line next to the big c must add up to 180, and 180-58=122, so the space next to the 58 must be 122

The interior angles of a polygon can be calculated with 180(n-2) where n is the sides, so a pentagon has 540 degrees of interior angles

540 - 96 - 88 - 90 - 122 = 144

Answer:

Step-by-step explanation:

90+96+88+180-58=540-k

k=540-396

k = 144

What is the image point of (−1,1) after a translation right 2 units and down 1 unit?(Exlain+rules)

Answers

(1,0)
For x:
left is negative units
right is positive units
translations left and right effect x
-1 + 2 = 1
For y:
translations up and down effect y
down is negative units
up is positive units
1 - 1 = 0
rules:
x'= x + l
(let l represent the different of units in x between the preimage and image)
y'= y + u
(let u represent the different of units in y between the preimage and image)
Any variables work in place of l and u they are just example variables

You select a sample of 20 kids in the Valley Kindergarten and observe that their ages are
9; 9.5; 9.5; 10; 10; 10; 10; 10.5; 10.5; 10.5; 10.5; 11; 11; 11; 11; 11; 11; 11,5; 11,5; 11.5
Find the sample standard deviation of the age distribution in the Wenatchee Valley Kindergarten.
Solution. Please write your detailed solution here:

Answers

Standard deviation of the following data is 0.655.

What is standard deviation?

The standard deviation is equal to the variance's positive square root. It is a fundamental statistical analysis method. The amount by which data values deviate from the mean is referred to as "standard deviation," or "SD."

Whereas a big standard deviation implies that the values are much outside the mean, a low standard deviation shows that the values are frequently only a few standard deviations from the mean.

Here in the question,

Total kids = 20.

Mean = 9+9.5+9.5+10+10+10+10+10.5+10.5+10.5+10.5+11+11+11+11+11+11+11.5+11.5+11.5/20

= 10.52

Now square of distance between mean and ages.

(9-10.52) ² = 2.31

(9.5-10.52) ² = 1.04

(10-10.52) ² = 0.27

(10.5-10.52) ² = 0.0004

(11-10.52) ² = 0.23

(11.5-10.52) ² = 0.96

Now sum of all the differences = 2.31 + 1.04 + 1.04 + 4×0.27 + 4× 0.0004 + 6× 0.23+ 3×0.96

= 8.73

Now standard deviation = √8.73/20

= √0.43

= 0.655

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The polynomial 3x³-16x² +31x-20 represents the area of a trapezoidal desktop. The length of the bases of the
trapezoid are represented by the expressions x + 5 and x² - 5x. If area of a trapezoid equals 1/2h(b₁ + b2), what is
the height of the trapezoid? Hint: Use long division. (please help i’ve been stuck on it for 45 minutes and i’m crying)

Answers

Therefore, the possible values for x are 1, 4, and 5.

First, let's use long division to factor the polynomial 3x³-16x²+31x-20, which represents the area of the trapezoidal desktop, by x²-5x+x-5:

           ____________________________

[tex]x^{2} -5x+x-5 | 3x^{3} - 16x^{2} + 31x - 20[/tex]

[tex]- (3x^{3} - 15x^{2} + 3x^{2} - 15x)[/tex]

           ____________________________

                  [tex]- x^{2} + 31x - 20[/tex]

                    [tex]-(- x^{2} + 5x - 5)[/tex]

                     ________________

                          [tex]26x - 15[/tex]

The result of the long division is x - 5 with a remainder of 26x - 15.

Therefore, we can rewrite the polynomial as:

[tex]3x^{3} - 16x^{2} + 31x - 20 = (x - 5)(x^{2} - 5x + 4) + (26x - 15)[/tex]

Now, let's use the formula for the area of a trapezoid to set up an equation using the polynomial above:

[tex]area = 1/2h(b_1 + b_2)[/tex]

We know that the bases of the trapezoid are represented by the expressions x + 5 and x² - 5x, so we can substitute them in the formula:

[tex]3x^{3} - 16x^{2} + 31x - 20 = 1/2h((x + 5) + (x^{2} - 5x))[/tex]

Simplifying the expression:

[tex]3x^{3} - 16x^{2} + 31x - 20 = 1/2h(x^{2} - 4x + 5)[/tex]

Multiplying both sides by 2:

[tex]6x^{3} - 32x^{2} + 62x - 40 = h(x^{2} - 4x + 5)[/tex]

Now, we can substitute the remainder of the long division we did earlier (26x - 15) for h:

[tex]6x^{3} - 32x^{2} + 62x - 40 = (x - 5)(x^{2} - 5x + 4) + (26x - 15)[/tex]

[tex]6x^{3} - 32x^{2} + 62x - 40 = (x - 5)(x^{2} - 5x + 4) + h[/tex]

[tex]6x^3 - 32x^2+ 62x - 40 = (x - 5)(x^2 - 5x + 4) + (26x - 15)[/tex]

Simplifying the expression again:

[tex]6x^3 - 32x^2 + 36x - 25 = (x - 5)(x^2 - 5x + 4)[/tex]

Now we have a quadratic equation that we can solve for x:

[tex]x^3 - 5x^2 + 4x + 5x^2 - 25x + 20 = 0[/tex]

[tex]x^3 - 21x + 20 = 0[/tex]

[tex](x - 1)(x - 4)(x - 5) = 0[/tex]

Therefore, the possible values for x are 1, 4, and 5.

Now we can substitute these values in the expression we derived for h:

[tex]h = (6x^3 - 32x^2 + 62x - 40)/(x^2 - 4x + 5)[/tex]

For x = 1:

[tex]h = (6(1)^3 - 32(1)^2 + 62(1) - 40)/2\\h = 6-32+62-40/2\\h = 68-72/2\\h = -4/2\\ h= -2[/tex]

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Consider the inequality −2.45x+9.3>2.44
What is the answer?

Answers

Answer: the answer is x < 2.80

Step-by-step explanation: can i get brainliest pls

Pls help!! I NEED IT BADLYYY ILL GIVE BRAINIEST!!

Answers

Additionally, please note that offering a "brainiest" reward for assistance is not necessary.

Hello! I'd be happy to help you with your question, but please refrain from using excessive capitalization or urgency in your request. It can come across as rude and disrespectful to others who are also seeking assistance.

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Find the surface area of the composite figure. 2 in. 4 in. 10 in. SA 4 in. 2 in. 4 in. 7 in. 4 in. = = [?] in.2 Sea FATEM 37049077 PED If you'd like, you can use a calculator. Enter​

Answers

The surface area of the composite figure is; SA = 224 in.²

How to find the area of a Composite Figure?

From the composite figure attached, we can find the surface area of each of the rectangular/square external face seen as:

[tex]SA= 2(10 \times 2) + 2(4 \times 7) + 2(4 \times 4) + 2(4 \times 2) + (4 \times 7) + (10 \times 4) + (3 \times 4)[/tex]

[tex]SA = 40 + 56 + 32 + 16 + 28 + 40 + 12[/tex]

[tex]SA = 224 \ \text{in}.^2[/tex]

Thus, we can conclude that the surface area of the composite figure is:

[tex]SA = 224 \ \text{in}.^2[/tex]

Please help me, this question is so hard

Answers

The shaded portion of the rectangle is approximately 21.8% of the rectangle, rounded to the nearest 10th.

Describe Rectangle?

In geometry, a rectangle is a four-sided polygon with four right angles (90-degree angles) and opposite sides that are parallel and congruent to each other. It is a special case of a parallelogram in which all angles are right angles.

The properties of a rectangle include:

Opposite sides are parallel and congruent.

All angles are right angles.

Diagonals are congruent and bisect each other.

The area of a rectangle is given by the formula A = lw, where l is the length and w is the width.

The perimeter of a rectangle is given by the formula P = 2l + 2w.

To solve this problem, we first need to find the areas of the shaded regions and the rectangle:

Area of rectangle = l × w = 26 × 16 = 416

Area of circle = (π × (d/2)²)/4 = (π × 4²)/4 = π

Area of pentagon = (5/2) × r² × sin(72°) = (5/2) × 5.5² × sin(72°) = 51.3

Area of right-angled triangle = (1/2) × h × d = (1/2) × 8 × 8 = 32

Total area of shaded region = Area of circle + Area of pentagon + Area of right-angled triangle = π + 51.3 + 32 ≈ 90.8

To find the percentage of the rectangle that is shaded, we divide the area of the shaded region by the area of the rectangle and multiply by 100:

Percentage of shaded region = (90.8/416) × 100 ≈ 21.8%

Therefore, the shaded portion of the rectangle is approximately 21.8% of the rectangle, rounded to the nearest 10th.

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The pentagons JKLMN and PQRST are similar.
Find the length x of RS.

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The length of the segment SR for the given pentagons is 9 units.

What is a pentagon?

A polygon having 5 sides and 5 angles is called a pentagon. The words "pentagon" (which implies five angles) are formed up of two other terms, namely Penta and Gonia. End to end, the sides of a pentagon come together to form a shape. Hence, there are 5 sides in a pentagon.

The pentagon is a polygon with five sides and five angles, just like other polygons including triangles, quadrilaterals, squares, and rectangles. There are several sorts of pentagon forms, including regular and irregular pentagons as well as convex and concave pentagons, depending on the sides, angles, and vertices.

We know that, for similar figures the length of the ratios of their corresponding segments are equal.

Thus,

NM/TS = ML/SR

4/7.2 = 5/x

Using cross multiplication we have:

4x = 5(7.2)

4x = 36

x = 9

Hence, the value of the segment SR for the given pentagons is 9 units.

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i need this answer for my hw please help me

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In order for ΔCAM≅ΔCOM to be proved, all three sides and all three angles must be equal. So the correct answer is E. ΔCAM≅ΔCOM.

What is corresponding sides?

Corresponding sides are two sides in a polygon that are directly across from each other. This can be seen when two sides are connected by a line that is perpendicular to the other two sides.

ΔCAM≅ΔCOM can be proved when the two triangles have three corresponding sides and three corresponding angles that are equal.

However, option E does not provide proof of this as it only states that two angles are equal.

The other four options provide such proof.

Option A states that two angles are equal, Option B states two lines are equal and two angles are equal, Option C states two lines are equal and two angles are equal, and Option D states two lines are equal and two lines are equal. All of these provide the proof that ΔCAM≅ΔCOM.

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In order for ΔCAM≅ΔCOM to be proved, all three sides and all three angles must be equal. Option E does not provide proof of this as it only states that two angles are equal. So the correct answer is E. ΔCAM≅ΔCOM.

What is corresponding sides?

Corresponding sides are two sides in a polygon that are directly across from each other. This can be seen when two sides are connected by a line that is perpendicular to the other two sides.

ΔCAM≅ΔCOM can be proved when the two triangles have three corresponding sides and three corresponding angles that are equal.

However, option E does not provide proof of this as it only states that two angles are equal.

The other four options provide such proof.

Option A states that two angles are equal,

Option B states two lines are equal and two angles are equal,

Option C states two lines are equal and two angles are equal, and Option D states two lines are equal and two lines are equal.

All of these provide the proof that ΔCAM≅ΔCOM.

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Monique has 4 pencils for every 2 pens in her backpack. If she has 6 pencils, how many pens does she have? If pens are the X variable and pencils are the Y variable, plot this relationship as a point in the coordinate plane.

Answers

Answer: 3 pens

Step-by-step explanation: The ratio of pencils to pens Monique has is 2:1, this means that for every 2 pencils Monique has she will have 1 pen. To plot this on a graph you can put one point at (2,1) and another point at (4,2)

marketing companies have collected data implying that teenage girls use more ring tones on their cellular phones than teenage boys do. in one particular study of 40 randomly chosen teenage girls and boys (20 of each) with cellular phones, the mean number of ring tones for the girls was 3.3 with a standard deviation of 1.6. the mean for the boys was 1.6 with a standard deviation of 0.7. conduct a hypothesis test at the 5% significance level to determine if the girls' mean is higher than the boys' mean.

Answers

Conducting a hypothesis test at the 5% significance level we can conclude that the girls' mean is higher than the boys' mean.

To conduct a hypothesis test to determine if the girls' mean is higher than the boys' mean, you will need to use a two-tailed hypothesis test with a significance level of 5%. The null hypothesis is that the girls' mean is not higher than the boys' mean, and the alternative hypothesis is that the girls' mean is higher than the boys' mean. The test statistic is calculated using the formula:


Test statistic = (Girls' mean - Boys' mean) / (Standard deviation of the difference / √(sample size))

The test statistic for this study is calculated as: (3.3 - 1.6) / (1.6/√40) = 4.375.


Using a 5% significance level and two-tailed hypothesis test, the critical value for this test is 1.96. Since the test statistic (4.375) is greater than the critical value (1.96), the null hypothesis can be rejected.

Therefore, we can conclude that the girls' mean is higher than the boys' mean.

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