15. The figure below shows a section of a metal
pipe. How much metal was used to create
the section of pipe?

15. The Figure Below Shows A Section Of A Metalpipe. How Much Metal Was Used To Createthe Section Of

Answers

Answer 1

We need 360π cm² metal to create this section of pipe.

What is a cylinder?

A cylinder is a three-dimensional geometric shape that consists of a circular base and a curved surface that is formed by points that are equidistant from the center of the base. The curved surface of a cylinder is often referred to as its lateral surface, and the distance between the two bases (if present) is known as the height of the cylinder.

Given : height of pipe = 15 cm

            diameter of pipe = 18 cm

we can find the metal to be used by using formula :

= 2πrh + 2π(R²-r²)

here, R = 18/2 = 9

and,  r = R - 1.5 - 1.5 = 9 - 3 = 6

so, metal to be used :

    = 2πRh + 2π(R²-r²)

    = 2π× 9 × 15 + 2π ( 9²-6²)

    = 270π + 2π(81-36)

    = 270π + 90π

    = 360π cm²

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Related Questions

need help with this question ​

need help with this question

Answers

Answer:

AD=14

Step-by-step explanation:

Because AB and BC are congruent, and BD=BD, CD must equal AD. Since CD=14, AD also equals 14.

Lamar pays 15.60 for a pack of 6 towels. Find the unit price in dollars per towel. If necessary, round your answer to the nearest cent.

Answers

Divide total price by quantity:


15.60 / 6 = 2.60

Unit price = $2.60

PLZZZ HELP ASAP THANKS

PLZZZ HELP ASAP THANKS

Answers

Answer:

11.1%

Step-by-step explanation:

percentage decrease is calculated as

\(\frac{decrease}{original}\) × 100%

decrease = 18 - 16 = 2 , then

percent decrease = \(\frac{2}{18}\) × 100% = 11.1% ( to the nearest tenth )

Which statement best describes "willing suspension of disbelief"? A technique used by actors in which they defer their own reality to accept that of the play A dynamic in which the audience agrees to accept the fictional world of the play on an imaginative level while knowing it to be untrue. A psychological dynamic in which one group of audience members can affect the responses of others to an event, particularly if they share the same cultural background.

Answers

The statement that best describes "willing suspension of disbelief" is: A dynamic in which the audience agrees to accept the fictional world of the play on an imaginative level while knowing it to be untrue.

The concept of "willing suspension of disbelief" is an essential element in experiencing and appreciating works of fiction, particularly in theater, literature, and film. It refers to the voluntary act of temporarily setting aside one's skepticism or disbelief in order to engage with the fictional narrative or performance. It involves consciously accepting the imaginative world presented by the creator, even though it may contain unrealistic or fantastical elements. By willingly suspending disbelief, the audience allows themselves to become emotionally invested in the story and characters, making the experience more enjoyable and meaningful. This dynamic acknowledges the inherent fictional nature of the work while acknowledging that the audience is aware of its fictional status. It creates a mutual understanding between the audience and the creators, enabling the audience to fully immerse themselves in the narrative and connect with the intended emotions and themes of the work.

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PLEASE HELP URGENT I NEED THIS ANSWER SO BAD ASAP!!!

I will give branliest if the answer is correct.

Find the length of segment EP

PLEASE HELP URGENT I NEED THIS ANSWER SO BAD ASAP!!!I will give branliest if the answer is correct.Find

Answers

The length of EP in the circle is 13 units.

How to find the length of tangent?

The tangent is perpendicular to the radius of the circle, with which it intersects.

Therefore,

∠EAP = 90 degrees

The segment EA is tangent to centre P. CD is the diameter of the circle. Therefore,

CD = 10 units

EA = 12 units

PA = 5 units(radius of the circle)

Let's use Pythagoras's theorem to find the length EP.

Therefore,

a² + b² = c²

where

a and b are the other legs of the right trianglec  = hypotenuse

Hence,

EP² = 12² + 5²

EP² = 144 + 25

EP = √169

EP = 13 units

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Convert from scientific notation to standard form. 2. 8.63 x 10^-3
answer asap!

Answers

Answer:

0.00863

Step-by-step explanation:

move decimal to the left 3 times!

Solve for a
SOLVE ASAP!!

Solve for a SOLVE ASAP!!

Answers

Have a good rest of your Day

Solve for a SOLVE ASAP!!

How to evaluate 3(2x-4)-6x+12

Answers

Answer:

0

Step-by-step explanation:

1. Distribute:  6x-12 - 6x+12

2. Combine like terms:  0

Answer:

0

Step-by-step explanation:

First you want to do distributive properties, so multiply 2 and -4 by 3. leaving you with 6x-12-6x+12. then we have to combine all the like terms. so you can either add 6x to the negative 6x or take away 6x from the positive 6x. Same with the 12's. so once you've combined all the like terms you should be left with 0. Thus, your answer would be 0.

onsider the following events: A. The burrito is a chicken burrito. B. The burrito is a carne asada burrito. C. The customer requested black beans. D. The customer requested pinto beans. Which two events are independent

Answers

Events A and C as well as events B and D are independent.

Two events A and B are independent if the occurrence or non-occurrence of one event does not affect the probability of the other event.

In the given events, it is not explicitly mentioned how the events are related. However, based on typical assumptions about burrito ingredients and customer preferences, we can make some assumptions:

Assuming that the choice of meat (chicken or carne asada) and the choice of beans (black beans or pinto beans) are independent of each other, we can conclude that events A (The burrito is a chicken burrito) and C (The customer requested black beans) are independent. The choice of chicken meat in the burrito does not affect the probability of the customer requesting black beans.

Similarly, events B (The burrito is a carne asada burrito) and D (The customer requested pinto beans) are independent. The choice of carne asada meat in the burrito does not affect the probability of the customer requesting pinto beans.

So, based on these assumptions, events A and C as well as events B and D are independent.

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I need real answers not links

I need real answers not links

Answers

Without going too much into the proofs angle ACD is congruent to angle DBA.

If ACD is ~= DBA then

ACD = 54 degrees

Explanation:

The figure is a reflection. While orientation isnt preserved in reflections side lengths and angle measures are.

This means that both triangles have the same side length measures and have the same angle measures.

You are given the angle measures of one of the triangles. We also know both triangles are congruent since they both fit perfectly inscribed in the circle.

With this in mind you can prove that all the angles of each triangle are congruent.

Thus

ACD = 54 degrees

a factory can make 2,402 baseballs in 1 hour how many baseballs can the factory make in 5 hours​

Answers

Answer:

The factory can make 12,010 baseballs in 5 hours.

Step-by-step explanation:

We have to multiply 2,402 * 5 to find the answer.

5 * 2,402 = 12,010

Hope this helps!

Please mark as brainliest.

x=basketball in 5 hours

2,402=1 hours

which means x=5 hours

Multiply the terms:

2,402x5=12010

x=12010

How to multiply 28 and 36 using set of steps

Answers

Answer:

Either do 28+28+28, etc. 38 times, or follow the diagram I attached.

If you want to know more about what I did in the attachment, just ask <3

How to multiply 28 and 36 using set of steps

Answer:

Start by multiplying the ones: 6 times 28 is 168. Next, multiply the tens: 30 times 28 is 840. Add the products to get 1,008.

Step-by-step explanation:

Please help! WILL MARK BRAINLIEST

Please help! WILL MARK BRAINLIEST

Answers

Answer:

\((4,2)\)

Step-by-step explanation:

In our graph only \((4,2)\) makes sense

The last one makes an upside-down triangle which is not what we're looking for

The third one makes a weirdly shaped one which we're not looking for

The second one doesn't look like the triangle we're looking for so it's incorrect

This means the first one is correct

Brainliest please

Please help! WILL MARK BRAINLIEST

(100 POINTS)
Error Analysis - Describe and correct the error a student made in factoring.
x² + 2x - 3 = 5
(x - 1)(x + 3) = 5
x - 1 = 5 or x + 3 = 5
x = 6 or x = 2

Answers

Answer:

Step-by-step explanation:

x² + 2x - 3 = 5                                   >You cannot start factoring until you

                                                            set =0

(x - 1)(x + 3) = 5

x - 1 = 5 or x + 3 = 5

x = 6 or x = 2

Should be:

x² + 2x - 3 = 5                                    >Subtract 5 from both sides

x² + 2x - 8 = 0                                    >Now factor

(x - 2)(x + 4) = 0                                  >Set each parenthesis =0

x - 2 = 0 or x + 4 = 0                           >Solve for x's

x = 2 or x = -4

Mark and Jane had 95 stamps. After Mark gave 35 stamps to Kevin, Mark and Jane had same number of stamps. How many stamps did Mark have at the beginning?

Answers

95 - 35 = 60
60/2 = 30
35 + 30 =65
Mark had 65 stamps at the beginning.

Find the set of all pure and mixed strategy Nash equilibria of the following 2-person game. Show your work. [Hint: Draw the best response correspondences.] Player 2 Player 1 U D U D 2,2 0,0 0,2 0,4

Answers

The set of all pure and mixed strategy Nash Equilibria of the given two-person game is {(U, D), (D, U), (1/3, 2/3), (2/3, 1/3)}.

The given two-person game is shown in the given table below.Player 2Player 1UDUD2,20,00,20,4The given two-person game has two pure strategy Nash equilibria, (U, D) and (D, U).Mixed strategy Nash EquilibriaIn this game, if player 1 selects U with a probability of q, then the expected payoff of player 2 will be: U = 2q + 0 (1 - q) = 2q where 1 - q is the probability of selecting D.

Similarly, if player 1 selects D with a probability of q, then the expected payoff of player 2 will be: D = 0q + 4 (1 - q) = 4 - 4q where 1 - q is the probability of selecting U.

Similarly, if player 2 selects U with a probability of p, then the expected payoff of player 1 will be: U = 2p + 0 (1 - p) = 2p where 1 - p is the probability of selecting D.

Similarly, if player 2 selects D with a probability of p, then the expected payoff of player 1 will be: D = 0p + 2 (1 - p) = 2 - 2p where 1 - p is the probability of selecting U.

If player 1 mixes his strategies, then the best response of player 2 can be obtained as: U = 2q and D = 4 - 4q.

Similarly, if player 2 mixes his strategies, then the best response of player 1 can be obtained as: U = 2p and D = 2 - 2pThe following table can be drawn for the best response of each player.

Best Responses Player 2 Player 1 U D U D BR21 1 2 2 BR12 1/2 1/2 2 0.

By solving the above best responses, the set of all pure and mixed strategy Nash equilibria can be obtained.

SolutionThe pure strategy Nash equilibria are (U, D) and (D, U).Now we will find the mixed strategy Nash equilibria of the given two-person game by solving the best response correspondences of each player.

The set of all pure and mixed strategy Nash equilibria of the given two-person game is {(U, D), (D, U), (1/3, 2/3), (2/3, 1/3)}.

The given two-person game has been given in the table shown below.Player 2Player 1UDUD2,20,00,20,4The two-person game given above can have a pure strategy Nash Equilibrium and mixed strategy Nash Equilibrium, which can be found by plotting the best response correspondences of each player.

The Nash equilibrium can be defined as a state where no player can increase its payoff by changing its strategy given the other player's strategy.The mixed Nash equilibrium can be solved by considering the probability with which each player is playing each of its strategies.

The expected payoff of the player is calculated by multiplying the payoff of each outcome with its probability and then adding up all the values of each outcome after multiplication. Each player tries to choose the strategy that maximizes its expected payoff given the strategy of the other player.

The best response of each player can be plotted on a graph. If the best response of each player coincides, then it is a Nash Equilibrium.

The set of all pure and mixed strategy Nash Equilibria of the given two-person game is {(U, D), (D, U), (1/3, 2/3), (2/3, 1/3)}. The Nash equilibrium can be defined as a state where no player can increase its payoff by changing its strategy given the other player's strategy. The best response of each player can be plotted on a graph. If the best response of each player coincides, then it is a Nash Equilibrium.

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Find the weighted average of the numbers -1 and 5 with (2)/(3) of the weight on the first number and (1)/(3) on the second number. 0 1 2 3

Answers

In the given stem-and-leaf plot, the scores are as follows:7|5,5,6,6,7,7,88|In order to find the median score, we have to first arrange the scores in ascending order, which are as follows:

75, 75, 76, 76, 77, 77, 78To find the median, we have to find the middle value, which is the 4th value, as there are a total of 7 scores in the data set. The 4th value is 76.Therefore, the median of the scores in this stem-and-leaf plot is 76.

Given that the numbers are -1 and 5 with (2)/(3) of the weight on the first number and (1)/(3) on the second number. We need to find the weighted average. The weighted average is calculated using the following formula:$$Weighted\:average = \frac{w_1 x_1 + w_2 x_2 + w_3 x_3 + \cdots + w_n x_n}{w_1 + w_2 + w_3 + \cdots + w_n}$$where,$w_1, w_2, w_3, \cdots, w_n$ are the weights assigned to the respective numbers $x_1, x_2, x_3, \cdots, x_n$.On substituting the given values, we get:$$Weighted\:average = \frac{\frac{2}{3}(-1) + \frac{1}{3}(5)}{\frac{2}{3} + \frac{1}{3}} = \frac{-2 + 5}{3} = \frac{3}{3} = 1$$Therefore, the weighted average of the numbers -1 and 5 with (2)/(3) of the weight on the first number and (1)/(3) on the second number is 1.Answer: 1

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Let X represent a binomial random variable with n=400 and p=0.8. Use Excel's function options to find the following probabilities. (Do not round intermediate calculations. Round your final answers to 4 decimal places.) a P(X=330) = _____
b P(X>340) = _____
c P(335≤X≤345) = _____
d P(X=300) = _____

Answers

a)  P(X=330) is approximately 0.0002. b)P(X>340) is approximately 0.0294. c) P(335≤X≤345) is approximately 0.6415. d) P(X=300) is approximately 0.0004 of given probabilities

To find the probabilities using Excel's function options, we can use the binomial distribution function, which is provided as BINOM.DIST in Excel.

a) P(X=330):

=BINOM.DIST(330, 400, 0.8, FALSE)

The first argument is the specific value (330), the second argument is the total number of trials (400), the third argument is the probability of success (0.8), and the fourth argument FALSE indicates that we want the probability for a specific value.

The result is approximately 0.0002.

Therefore, P(X=330) is approximately 0.0002.

b) P(X>340):

=1 - BINOM.DIST(340, 400, 0.8, TRUE)

Since we want the probability of X being greater than 340, we can subtract the cumulative probability of X up to 340 from 1. We use the TRUE argument to indicate that we want the cumulative probability.

The result is approximately 0.0294.

Therefore, P(X>340) is approximately 0.0294.

c) P(335≤X≤345):

=BINOM.DIST(345, 400, 0.8, TRUE) - BINOM.DIST(334, 400, 0.8, TRUE)

To find the probability of X being between 335 and 345 (inclusive), we subtract the cumulative probability of X up to 334 from the cumulative probability of X up to 345.

The result is approximately 0.6415.

Therefore, P(335≤X≤345) is approximately 0.6415.

d) P(X=300):

=BINOM.DIST(300, 400, 0.8, FALSE)

The first argument is the specific value (300), the second argument is the total number of trials (400), the third argument is the probability of success (0.8), and the fourth argument FALSE indicates that we want the probability for a specific value.

The result is approximately 0.0004.

Therefore, P(X=300) is approximately 0.0004.

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What is the area of a triangle with vertices at (−4, −6), (1, −6), and (1, 2)?

Answers

Answer:

The answer is (1,2) I'm pretty sure that is the answer if it is not please tell me I'll check.

A shipping container will be used to transport several 100-kilogram crates across the country by rail. The greatest weight that can be loaded into the container is 27000 kilograms. Other shipments weighing 7100 kilograms have already been loaded into the container. Use the drop-down menu below to write an inequality representing cc, the total number of 100-kilogram crates that can be loaded into the shipping container.

Answers

Therefore, the greatest amount of weight that may be placed into the container is equal to 112 quantities of 100 kilograms each.

What is weight?

Generally,Weight already loaded = 12800 kg

Please provide the maximum number of 100-kilogram loads that may be accommodated in the container. =  Weight of  = 100 kg

In conclusion, This total weight must not exceed the maximum that the container is capable of holding.

\(\begin{aligned}&12800+100 x \leq 24000 \\&100 x \leq 24000-12800 \\&\Rightarrow 100 x \leq 11200 \\&\Rightarrow x \leq 112\end{aligned}\)

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find the probability that the coin lands heads exactly 11 times. a. 0.1602 b. 0.5731 c. 0.2941 d. 0.1527 e. 0.6374

Answers

The probability of landing heads exactly 11 times when a coin is tossed 20 times is option a) 0.1602

The repeated tossing of a coin follows a binomial distribution

P(X = x) = ⁿCₓ pˣ (1 - p)⁽ⁿ ⁻ ˣ⁾

where,

n = No. of times the experiment was repeated

x = random variable defining the number of "successes"

p = probability of "success"

Here

"succeess" is the event of landing a head.

n = 20

x = no. of times heads should show, i.e 11

p = probability of landing a head in a single toss

= 1/2

Hence, putting all this in the formula above we get

P(X = 11) = ²⁰C₁₁ 0.5¹¹ (1 - 0.5)⁽²⁰ ⁻ ¹¹⁾

= ²⁰C₁₁ 0.5¹¹ 0.5⁹

= ²⁰C₁₁ 0.5²⁰

= 20!/ 11! (20 - 11)! X 0.5²⁰

= a) 0.1602

Complete Question

An unbiased coin is tossed 20 times.

Find the probability that the coin lands heads exactly 11 times

a. 0.1602

b. 0.5731

c. 0.2941

d. 0.1527

e. 0.6374

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Write an algebraic expression for each phrase.


1) the product of -3 and a number s

2) a number v divided by 12

3) the quotient of a number m and 10

4) the sum of 4 and a number f​

Answers

Answer:

-3a

V/12

M/10=x

4f

Step-by-step explanation:

I hope this is the answer not sure...

What transformations would result in the image shown?



Δ ABC is reflected over both axes.
Δ ABC is reflected over the y-axis and translated down 5 units.
Δ ABC is reflected over the x-axis and translated right 5 units.
Δ ABC is translated right 5 units and down 5 units.

What transformations would result in the image shown? ABC is reflected over both axes. ABC is reflected

Answers

ABC is translated right 5 units and down 5 units

If a figure is smaller after a dilation, then the scale factor is
than
a More, 2.
b More, 1
C Less, 1
d None of the above

Answers

the Answer is: C less,1

Hey guys whats the equivelent to 28,000?

Also stole this goat.

Hey guys whats the equivelent to 28,000?Also stole this goat.

Answers

Answer:

-28,000

and also that goat is soooo cute

First one to answer it right gets Brainliest!!!!!

First one to answer it right gets Brainliest!!!!!

Answers

Answer:

400

Step-by-step explanation:

8 out of 10 remember their chargers ( multiply by 10 )

80 out of 100 remember their chargers ( multiply by 5 )

400 out of 500 remember their chargers

the answer to this question is 400

Can 2.5 cm 6.5 cm 6 cm be the sides of a right triangle?

Answers

2.5 cm, 6.5 cm, and 6 cm are the sides of a right triangle.

The sides of a triangle are 2.5 cm, 6.5 cm, and 6 cm in length.

The Pythagorean Theorem states that The sum of the squares representing the base and height equals the square of the hypotenuse.

\((Perpendicular)^{2}+(Base)^{2}=(Hypotenuse)^{2}\)

                        \((2.5)^{2}+(6)^{2}=(6.5)^{2}\)

                            6.25 + 36 = 42.25

                                  42.25 = 42.25

The sides offered satisfy the specifications for a right triangle.

Given that it satisfies the Pythagorean theorem, a right triangle with sides of 2.5 cm, 6.5 cm, and 6 cm can be built.

Hence, 2.5 cm 6.5 cm 6 cm can be the sides of a right triangle.

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Es para hoy plis :c
Ayudaaaaaaa

Es para hoy plis :c Ayudaaaaaaa

Answers

no hablo espanol perdon
suponiendo que dos puntos significa dividir
a) 27
b) 23
c) 32

-x + y = 1
-7x + 6y = -1
use substitution to solve

Answers

Answer:x=7, y= 8

Step-by-step explanation: y= x+1, put in 2nd equaiton to get, -7x + 6x+6 =- 1, -x = -7, x=7. -7+y=1 ,y=8

Answer:

(x,y)=(7,8)

Step-by-step explanation:

-x + y = 1

-7x + 6y = -1

x=-1+y

-7(-1+y)+6y=-1

7+(-7y)+6y=-1

-y=-8

y=8

x=-1+8

x=7

Mr. Smith went to buy a refrigerator. He had $346. The refrigerator cost $783.
Part A
About how much more money does Mr. Smith need in order to buy the refrigerator?
Round your answer to the nearest hundred dollars.
Part B
After visiting the bank ,Mr.Smith paid $800 for the refrigerator.How much change did he receive Mr.Smith receive in change ?

Answers

Answer:

Part A- $400

Part B- $17

Step-by-step explanation:

Answer:

A- 400.00 more dollars.

B- 17 dollars in change.

Step-by-step explanation:

783-346 and then round up.

800-783 for change

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