Which of Polygons B, C, D, E, and F are similar to Polygon A?

Answers

Answer 1

Answer:

b and d

Step-by-step explanation:


Related Questions

Q.4 What is the difference between price floors and price ceiling? Give example and illustrate graphically in support of your answer.

Answers

A price floor is a law that limits the minimum price at which a good, service, or factor of production can be sold while a price ceiling is a regulation that limits the maximum price at which a good, service, or factor of production can be sold

Price floors are commonly implemented to support producers, while price ceilings are typically put in place to protect consumers from higher prices that might result from shortages or monopolies.

Example of Price Floor:Agricultural subsidies are a common example of price floors. Government price floors ensure that farmers receive a minimum price for their crops.

If the market price of wheat falls below the government-established price floor, the government may buy the excess supply at the guaranteed price, ensuring that farmers are able to make a profit. If there is a price floor, the minimum price is set above the equilibrium price.

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Given the direct variation equation, y = 13x, find the following:
25. What is y when x is 5?

Answers

Answer: y = 65

Step-by-step explanation: PLEASE GIVE BRAINLIEST IT HELPS ALOT

consider the set of all right circular cylinders for which the sum of the height and the diamerter is 18 inches. what is the radius of the cylinder with the max volume

Answers

We disregard r = 0 since the radius of a cylinder cannot be zero.The cylinder with the largest volume has a radius of 9 inches.



Calculus may be used to determine the radius of the circular cylinder with the highest capacity given that the sum of its height and diameter is 18 inches.
Let's write r for the cylinder's radius and h for its height. Since the height and diameter added together equal 18 inches, we have the following equation:

2r + h = 18

We must maximise the volume of a cylinder's formula, V = r2h, in order to determine its highest value.

The equation above can now be used to find h in terms of r:

h = 18 - 2r

With this value of h entered into the volume formula, we obtain:

V = πr^2(18 - 2r)
We take the derivative of V with respect to r and set it to zero to determine the maximum volume:

dV/dr = 0

When we differentiate V in relation to r, we obtain:

36r - 4r2 = 0 for dV/dr

When we simplify this equation, we get:

36r - 4r^2 = 0

Factoring r out, we obtain:

r(36 - 4r) = 0

This equation gives us two options for the value of r: r = 0 and r = 9.


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A university professor does not believe that there is really a difference between the GPA of male and female scholarship athletes, so he looks into how the sample was collected. His investigation shows that the study was given to all of the athletes on the basketball teams exclusively. Based on this information, should the university administration trust the results from this study?

a. Yes, because the results were significant

b. Yes, because a large enough sample was taken

c. No, because not every scholarship athlete part of the study

d. No, because the study was not taken from a random sample of scholarship athletes

Answers

Answer: d. No, because the study was not taken from a random sample of scholarship athletes.

Step-by-step explanation:

Since the study only focuses on basketball players, the sample may not be representative of all scholarship athletes in the university. This can cause bias in the results and make it difficult to generalize the findings to the larger population of scholarship athletes. Therefore, the university administration should not fully trust the results of this study.

Find two integers whose sum is -14 and product is 33

Answers

Answer:

Step-by-step explanation:

a+b=-14

a=-14-b

ab=33, using a from above makes this become

(-14-b)b=33

-14b-b^2=33

b^2+14b+33=0

(b+11)(b+3)=0

So the numbers are -3 and -11

F(x)=2/3x+3
What is the value of f(12)?

Answers

Answer:

f=1/18x+1/4 x=-9/2+18f

Help please Which number sentence below matches this word problem?
Elliot Construction has two cranes. The large crane can lift up to 7 tons. The
small one can lift up to 6 tons. How much more weight can the large crane
lift than the small crane?
A. 7-6 = 1
B. 7 x 6 = 42
C. 7-1 = 6
D. 6 + 7 = 13
SUBMIT

Answers

Answer:

I think it's d

Step-by-step explanation:

Nit 100% sure but if nit its b

The number sentence that matches the given word problem is:

A. 7-6 = 1

The word problem asks how much more weight the large crane can lift than the small crane. To find the difference, we subtract the weight capacity of the small crane (6 tons) from the weight capacity of the large crane (7 tons).

Therefore, 7 - 6 = 1, which means the large crane can lift 1 ton more than the small crane.

Factorise (a-2b) (3+x)​

Answers

Answer: ax - 2bx plus 3a - 6b

Step-by-step explanation: I’m not so sure with this but it might help

Ticketmaster charges $95 per ticket for
Ariana Grande's concert. They also
charge a surplus fee for services of $11.
Write a linear equation to model this
situation. How much would it cost to
purchase 6 tickets?

Answers

Answer:

570

Step-by-step explanation:

If the tickets are 95 dollars each, multiply by 6.

95 --> 190 --> 285 --> 380 --> 475 --> 570.

Which value from the set {2, 3, 4, 5} is a solution to the inequality x + x > 8?

Answers

The value 5 is a solution to the inequality x + x > 8 from the set {2, 3, 4, 5}.

What is meant by set?

In mathematics, a set is a collection of distinct objects or elements that share a common characteristic or property. Sets can be composed of numbers, letters, symbols, or even other sets.

To solve the inequality x + x > 8, we can simplify the left-hand side by combining like terms:

2x > 8

Then, we can solve for x by dividing both sides by 2:

x > 4

So any value of x greater than 4 would be a solution to the inequality.

From the set {2, 3, 4, 5}, the only value that satisfies this inequality is 5, since 5 is greater than 4:

5 + 5 = 10 > 8

Therefore, the value 5 is a solution to the inequality x + x > 8 from the set {2, 3, 4, 5}.

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Of 250 seventh-grade students, 175 walk to school. What percent of seventh-graders do not walk to school?

Answers

45% do not walk to school
30% don’t walk to school

Analysts may use regression analysis to estimate the index model for a stock. When doing so, the slope of the regression line is an estimate of A. the α of the asset.B. the β of the asset.C. the σ of the asset.D. the δ of the asset.

Answers

When using regression analysis to estimate the index model for a stock, the slope of the regression line is an estimate of the β of the asset.

The beta (β) of an asset measures the sensitivity of the asset's returns to changes in the market as a whole. A beta of 1 indicates that the asset's returns move in lockstep with the market, while a beta greater than 1 indicates that the asset's returns are more volatile than the market and a beta less than 1 indicates that the asset's returns are less volatile than the market.

On the other hand, α (alpha) is a measure of the excess return of an asset relative to its expected return, given its beta. α is not estimated by the slope of the regression line, but rather by the intercept of the regression line.

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Find the mean, the variance, the first three autocorrelation functions (ACF) and the first 3 partial autocorrelation functions (PACF) for the following AR (2) process X=0.4X t−1 ​ −0.2X t−2 ​ +ε t ​ , where ε t ​ → i. i. d.(0,σ 2 =12.8)

Answers

Given an AR (2) process X=0.4Xt−1 −0.2Xt−2+εt, where εt→i.i.d. (0, σ2 = 12.8) The Auto-regressive equation can be written as: X(t) = 0.4X(t-1) - 0.2X(t-2) + ε(t) Where, 0.4X(t-1) is the lag 1 term and -0.2X(t-2) is the lag 2 term So, p=2

The mean of AR (2) process can be calculated as follows: Mean of AR (2) process = E(X) = 0

The variance of AR (2) process can be calculated as follows: Variance of AR (2) process = σ^2/ (1 - (α1^2 + α2^2)) Variance = 12.8 / (1 - (0.4^2 + (-0.2)^2))

= 21.74

ACF (Autocorrelation Function) is defined as the correlation between the random variables with a certain lag. The first three autocorrelation functions can be calculated as follows: ρ1= 0.4 / (1 + 0.2^2)

= 0.8695652

ρ2= (-0.2 + 0.4*0.8695652) / (1 + 0.4^2 + 0.2^2)

= 0.2112676

ρ3= (0.4*0.2112676 - 0.2 + 0.4*0.8695652*0.2112676) / (1 + 0.4^2 + 0.2^2)

= -0.1660175

PACF (Partial Autocorrelation Function) is defined as the correlation between X(t) and X(t-p) with the effect of the intermediate random variables removed. The first three partial autocorrelation functions can be calculated as follows: φ1= 0.4 / (1 + 0.2^2)

= 0.8695652

φ2= (-0.2 + 0.4*0.8695652) / (1 - 0.4^2)

= -0.2747241

φ3= (0.4* -0.2747241 - 0.2 + 0.4*0.8695652*-0.2747241) / (1 - 0.4^2 - (-0.2747241)^2)

= -0.2035322

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Ten points! Solve for x: 1 x > 7 B) 4 x > 1 D) −2 < x < 1

Answers

\(\text{Solve:}\\\\1 < x + 3 < 4\\\\\text{Subtract 3 from all 3 sides}\\\\-2<x<1\\\\\boxed{-2<x<1}\)

a group of children held a grape-eating contest. when the contest was over, the winner had eaten grapes, and the child in -th place had eaten grapes. the total number of grapes eaten in the contest was . find the smallest possible value of . a group of children held a grape-eating contest. when the contest was over, the winner had eaten grapes, and the child in -th place had eaten grapes. the total number of grapes eaten in the contest was . find the smallest possible value of .

Answers

The smallest possible value of the total number of grapes eaten in the contest is the product of (n-1) and the number of grapes eaten by the child in last place, plus the number of grapes eaten by the winner.

The smallest possible value of the total number of grapes eaten in the contest is (n-1)*(grapes eaten by the child in last place) + (grapes eaten by the winner). So for example, if the winner had eaten 10 grapes and the child in last place had eaten 5 grapes, the total number of grapes eaten in the contest would be (n-1)*5 + 10 = 45.

The smallest possible value of the total number of grapes eaten in the contest is the product of (n-1) and the number of grapes eaten by the child in last place, plus the number of grapes eaten by the winner.

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whats the gcf of 2x^3 + 6x^2 - 8x

Answers

Answer:

Add and subtract the second term to the expression and factor by grouping.

2(x+3)(x+2)(x-2)

Step-by-step explanation:

Four band members, Harry, Isabel, Jose, and Karen, are all boarding a bus to attend a concert. In each arrangement below, the first initial of each person’s name represents that person’s position as he or she boards the bus: first, second, third, and fourth. If we know that Karen boards the bus first, which shows the possible outcomes for this event?

A.) KHIJ

B.)KHIJ, KHJI

C.)KHIJ, KHJI, KJHI,

D.)KJIH KHIJ, KHJI, KJHI, KJIH, KIHJ, KIJH

*100 Points and Brainliest for whoever gets it right. :-)

Answers

wouldn't it be D?????????????????

I think letter

D.)KJIH KHIJ, KHJI, KJHI, KJIH, KIHJ, KIJH

HOPE ITS HELP

how do you make this into a fraction??

how do you make this into a fraction??

Answers

Multiply 40 by 3 and add it to 2 then put it over 3

122/3

Answer:

multiply the numerator and denominator by 10 to get 402/10

then divide the numerator and denominator by the greatest common divisor (GCD) to simplify

the GCD of 402 and 10 is 2

you now get 201/5

since that's an improper fraction, make it into 40 1/5.

Step-by-step explanation:

hope this helped, have a nice day! :)

________, which is a way to select a random sample from a directory or list, is much more efficient (uses less effort) than simple random sampling. Select one: a. Non-systematic sampling b. Convenience sampling c. Systematic sampling d. Quota sampling

Answers

The most efficient way to select a random sample from a directory or list is Systematic sampling. In this type of sampling method, you choose every nth item from a directory or list. This is more convenient than other methods of sampling as it provides greater reliability and generalizability of results while minimizing sampling errors and biases. Systematic sampling has several advantages over other sampling methods such as convenience sampling or quota sampling.

In systematic sampling, every member of the population has an equal chance of being selected. This makes the sampling process more representative of the population and provides more reliable data. The disadvantage of systematic sampling is that if there is a pattern in the list, it could affect the sample. This could result in a biased sample. Systematic sampling is, therefore, a powerful sampling technique for survey research, especially when used in combination with other sampling techniques.

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A department store buys 300 shirts at a cost of $1,800 and sells them for $9 each. What is the percent markup? A department store buys 300 shirts at a cost of $1,800 and sells them for $9 each. What is the percent markup?

Answers

The percent markup of a department, if they sell 300 shirts at a cost of $9 each is 50%

According to the question, we learn that a department store buys 300 shirts at a cost of $1,800 and sells them for $9 each. This means :

The selling price of 300 shirts = 300 × $9

The selling price of 300 shirts = $2700

Selling price > cost price i.e., 2700 > 1800

when selling price is greater than cost price it means department store made a profit.

Profit = selling price - cost price

Profit = 2700 - 1800 = $900

Profit percentage = profit/ cost price × 100

Profit % =\(\frac{900}{1800} \times 100\)

Profit % = 50%

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how do you work out standard form in maths

Answers

Answer:

ok

Step-by-step explanation:

is that you write down 1 and 10 then you write x10 to the power of a number


I need help on this please!

I need help on this please!

Answers

Answer: The correct answer is D, also for part B, do you need help with that one too?

Step-by-step explanation:

Which of the following is the correct sequence of project phases? O A. Concept - Planning - Definition O B. Definition - Planning - Performance O C. Postcompletion - Performance - Planning OD. Performance - Concept - Planning

Answers

The correct sequence of project phases is Definition - Planning  - Performance. The correct answer is B.

This is the typical order of project phases in a traditional project management approach. It starts with the definition phase, where the project's goals, the scope, and the requirements are established.

Then comes the planning phase, where the project plan is developed, including the allocation of resources, scheduling, and budgeting.

Finally, the performance phase begins, during which the project activities are executed, monitored, and controlled to ensure the successful project completion.

Therefore the sequence of project phase is  Definition - Planning  - Performance The correct answer is B.

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a forest manager has pair of landsat satellite images for each of 1,250 plots of land. a proportion p of these plots were logged within the past ten years. each day she chooses a simple random sample of four plots, checks their image pairs, and categorizes them as logged or not by completing a spreadsheet like this:

Answers

A forest manager is using Landsat satellite images to determine whether 1,250 plots of land have been logged within the past ten years.

The proportion of logged plots is represented by 'p'.

The manager follows these steps daily:
1. Selects a simple random sample of four plots.
2. Examines the image pairs for each selected plot.
3. Categorizes the plots as logged or not logged.
4. Records the results in a spreadsheet.

The forest manager repeats this process daily to gather data on the proportion of logged plots (p) among the 1,250 plots of land.

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Evaluate plzzz help am giving brainliest

Evaluate plzzz help am giving brainliest

Answers

Answer:2

Step-by-step explanation:

Answer:

just replace a by -1

3(-1)^3 +5

3(-1)+5

-3+5

2

Step-by-step explanation:

Which answer is wrong and what is the correct answer? I will give you BRAINLEST!

Which answer is wrong and what is the correct answer? I will give you BRAINLEST!

Answers

Answer:

Question B is (12,-7)

Step-by-step explanation:

The 2nd question is asking for the preimage. You did what the image would be if (4,-3) was the preimage.

A boat is heading towards a lighthouse, whose beacon-light is 113 feet above thewater. From point A, the boat's crew measures the angle of elevation to the beacon,10°, before they draw closer. They measure the angle of elevation a second time frompoint B at some later time to be 21°. Find the distance from point A to point B.Round your answer to the nearest foot if necessary.

Answers

The following picture represents an explanation to the given question:

CD represents the beacon

We need to find the distance AB

The measure of the angle C = 90

At the triangle BCD,

The measure of the angle CDB = 90 - 21 = 69

Using the sine law, we will find the length of BD

So,

\(\begin{gathered} \frac{BD}{\sin90}=\frac{CD}{\sin 21} \\ BD=CD\cdot\frac{\sin90}{\sin21}=\frac{CD}{\sin 21} \end{gathered}\)

At the triangle ABC

The measure of the angle CDA = 90 - 10 = 80

So, the measure of the angle ADB = angle CDA - angle CDB = 80 - 69 = 11

At the triangle ADB, using sin law:

\(\begin{gathered} \frac{AB}{\sin D}=\frac{BD}{\sin A} \\ \\ AB=BD\cdot\frac{\sin D}{\sin A}=BD\cdot\frac{\sin 11}{\sin 10} \end{gathered}\)

substitute with the value of BD and CD s

So,

\(AB=\frac{CD}{\sin21}\cdot\frac{\sin11}{\sin10}=\frac{113\cdot\sin 11}{\sin 21\cdot\sin 10}=346.4798\)

Rounding the answer to the nearest foot

So, the answer will be AB = 346 ft

A boat is heading towards a lighthouse, whose beacon-light is 113 feet above thewater. From point A,

the radius of a sphere is increasing at a rate of 2 mm/s. how fast is the volume increasing when the diameter is 60 mm? evaluate your answer numerically.

Answers

When diameter is 60 mm, the volume increases at a rate of 22,620 mm³/s.

Define the term rate of volume change?The indication that demonstrates not whether a volume trend is occurring in an up or down direction is the volume rate of change.

Step 1: Create an equation that connects a sphere's volume to radius as the first step.

V = 4/3*π*r³

Step 2: Calculate each side's derivative in respect to time (Let the time be "t").

(d/dt)V = (d/dt)(4/3*π*r³)

dV/dt = 4πr²*dr/dt

Step 3: The problem description informs us that the diameter is 600 m, hence r must be 30 mm.

Additionally, it is stated that now the radius of a sphere is expanding at a rate of 2 mm/s; as a result, dr/dt must equal 2 mm/s.

We are interested in dV/dt, or the rate of change of the sphere's volume.

dV/dt = 4π(30mm)²*(2mm/s)

dV/dt = 22,620 mm³/s

So, when diameter is 60 mm, the volume increases at a rate of 22,620 mm³/s.

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How many degrees is 5/12?

Answers

Answer:

The answer is 22 point 62 degrees.

shelly paid a total of $15 for bags of candy she ordered on-line. the cost of each bag was $0.75 and shipping was a flat rate of $3.00. how many bags of candy did shelly order?

Answers

Shelly ordered the 16 candy bags.

What is subtraction in math?

The operation or process of finding the difference between two numbers or quantities, denoted by a minus sign (−).

We have the information from the question:

Shelly paid a total of $15 for bags of candy she ordered on-line.

The cost of each bag was $0.75

Shipping charge was a flat rate $3.00

We have to find the how many bags of candy did shelly order.

Now, According to the question:

We have to subtract shipping charge from total paid charges, we get:

Total paid - shipping charge

=> 15 - 3

= 12

Number of bags = 12/ 0.75

Number of bags = 16

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