4
Select the correct answer from each drop-down menu.
AABC is similar to ADEF. The ratio of the perimeter of AABC to the perimeter of ADEF is 1:10. T
The length of the longest side of AABC is
2
4
16
30
units. The ratio of the area of AABC to the are.

Answers

Answer 1

The ratio of the area of ∆ABC to the area of ∆DEF is; 1:100.

What is the ratio of the area of ∆ABC to the area of ∆DEF?

Since, a major criterion for similarity and congruence of triangles is that the ratio of corresponding sides are equal.

On this note, since the task content suggest that the ratio of the perimeters is; 1:10, it follows from conventional mathematics that the ratio of their areas is given as; 1²:10²; 1:100.

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Related Questions

What are the sums? Complete the equations. 12 +15= -12+(-15) = help 36 points ​

Answers

12+15= 27
-12+(-15)= -27
♨ANSWER♥

A summation, also called a sum, is the result of arithmetically adding numbers or quantities. A summation always contains a whole number of terms. There can be as few as two terms, or as many as a hundred, a thousand, or a million. Some summations contain infinitely many terms.

12 + 15

= 27

-12 + (-15)

= -12 -15

= -27

...hope this helps...

_♡_mashi_♡_

differentiate with respect to x (6-2x)^3​

Answers

-6(6-2x)^2 by chain rule

Answer:

- 6(6 - 2x)²

Step-by-step explanation:

using the chain rule

[tex]\frac{dy}{dx}[/tex] = [tex]\frac{dy}{du}[/tex] × [tex]\frac{du}{dx}[/tex]

let y = (6 - 2x)³

let u = 6 - 2x , then y = u³

[tex]\frac{du}{dx}[/tex] = - 2 and [tex]\frac{dy}{du}[/tex] = 3u²

then

[tex]\frac{dy}{dx}[/tex] = 3u² × - 2 = - 6(6 - 2x)²

The Chief Operating Officer (COO) of the City Hotel has three people reporting to him: The Hotel Manager, The Retreat Coordinator and the Program Manager. The Hotel Manager has responsibility for the Front Desk, Housekeeping, Maintenance and Security. The Program Manager has responsibility for the Massage Therapists, the Yoga Instructors and the Dance Instructors. Draw a tree diagram representing these reporting relationships.

Answers

The tree diagram representing these reporting relationships is attached.

What is a tree diagram?

It should be noted that a tree diagram is a planning tool that is used to show the hierarchy of tasks that are needed to be completed.

In this case, the tree diagram shows the way the employees report to each other.

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A family is relocating from St. Louis, Missouri, to California. Due to an increasing inventory of houses in St. Louis, it is taking longer than before to sell a house. The wife is concerned and wants to know when it is optimal to put their house on the market. Her realtor friend informs them that the last 18 houses that sold in their neighborhood took an average time of 100 days to sell. The realtor also tells them that based on her prior experience, the population standard deviation is 20 days. (You may find it useful to reference the z table.)

a. What assumption regarding the population is necessary for making an interval estimate for the population mean?

multiple choice
Assume that the central limit theorem applies.
Assume that the population has a normal distribution.


b. Construct the 99% confidence interval for the mean sale time for all homes in the neighborhood. (Round final answer to 2 decimal places.)

Answers

The 99% Confidence interval for the mean sale time for all homes in the neighborhood is:87.857, 112.143.

Confidence interval

a. The assumption is: Assume that the population has a normal distribution.

The CI  is exact for the normal populations and for small samples the z-interval method should be used in a situation where the variable is normally distributed.

b. Confidence interval:

CI=Sample mean±z-score×Standard deviation/√Size of the sample

CI=100-2.576×20/√18, 100+2.576×20/√18

CI=100-12.143, 100+12.143

CI=87.857, 112.143

Therefore the 99% Confidence interval is 87.857, 112.143.

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when the subtracts 4 from both sides 1/2x=-1/2

Answers

Subtracting 4 from both sides of the equation ¹/₂x = -¹/₂ gives us; ¹/₂x - 4 = -¹/₂ - 4

How to use subtraction property of equality?

We want to simply the expression which is;

¹/₂x = -¹/₂

Now, when we subtract 4 from both sides, it means we are using subtraction property of equality which states that subtracting the same value from both sides of an equation makes the equation still to be equal. Thus, we have;

¹/₂x - 4 = -¹/₂ - 4

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The area of a square quilt is 35 ft 2. How will it look stretched across a queen sized bed measuring 60 inches wide and 80 inches long?

Answers

The quilt will be 10.99 inches wider and 9.01 inches shorter than the bed.

What is the relationship between the quilt and the bed?

The first step is to determine the dimensions of the quilt.

Dimensions = √35 = 5.92 feet

Now convert the dimensions of the quilt to inches

1 feet = 12 inches

5.92 x 12 = 70.99 inches

Difference in the width of the bed and the quilt = 70.99 - 60 = 10.99

Difference in the length of the bed and the quilt = 80 - 70.99 = 9.01

 Here are the options:

A. The quilt will cover half of the surface of the bed.

O B. The quilt will match up with the length of the bed, but 20 inches will hang over the length. °

C. The quit will be 14.6 inches wider and 15.4 inches shorter than the bed. O D. The quilt will be 10.99 inches wider and 9.01 inches shorter than the bed.

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8 through 10 thank you answers only

Answers

Answer:

8) - 8z^3 - 3z^2 - 2z + 13

9) g^3 - 3g^2 + 3g + 6

10) (14n + 21) - (8n + 7) = 6n + 14

Convert the following equation into slope-intercept form.

7x+y = 7

y = -7x+?

Answers

Answer:

y = - 7x + 7

Step-by-step explanation:

the equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

given

7x + y = 7 ( subtract 7x from both sides )

y = - 7x + 7 ← in slope- intercept form

3) A communications company is planning a new network of specialty ZTX cables linking the major cities noted below. The cost to complete the project is $150 per mile. Draw a diagram of the minimum spanning tree and the cost associated with it.

Answers

The Minimum Spanning Tree diagram associated with ZTX's project is indicated as attached. The total cost associated with it is $1,664,550

What is a  Minimum Spanning Tree?

A graph spanning tree is a set of linked edges that encompass every vertex in the graph but do not create a cycle. A graph may have several such spanning trees.

The Minimum Spanning Tree, on the other hand, has the least cumulative edge weights.

What is the calculation for the attached minimum spanning tree?

The starting point is Seattle.

The total minimum cost is given as:
(1306 + 629 + 435 + 1983 + 1225 + 1483 + 661 + 1145 + 1709 + 183 + 338) x 150

= $1,664,550

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give answer please too hard to solve

Answers

Answer:

see explanation

Step-by-step explanation:

to evaluate f(a) substitute x = a into f(x)

f(a) = 5a + 4

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

2f(a) = 2(5a + 4) = 10a + 8

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

to evaluate f(2a) substitute x = 2a into f(x)

5(a + 2) + 4 = 5a + 10 + 4 = 5a + 14

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

f(a) + f(2) ← substitute x = 2 into f(x)

= 5a + 4 + 5(2) + 4 = 5a + 4 + 10 + 4  = 5a + 18

how tell me how you got answer 5.9 and also if you do at calculate can show me how to do pls thanks.

Answers

The steps you have are correct. I'll fill in the gap between step 2 and step 3.

[tex]0.4245 = \frac{2.5}{\text{x}}\\\\0.4245\text{x} = 2.5\\\\\text{x} = \frac{2.5}{0.4245}\\\\\text{x} = 5.8892815\\\\\text{x} = 5.9\\\\[/tex]

I multiplied both sides by x, then divided both sides by 0.4245 to isolate the variable.

With the exception of 2.5, every other decimal value mentioned is approximate.

A sum of money is shared between Aaron and Betty in the ratio 2:5 Aaron received $60.How much money was shared altogether?

Answers

Answer:

The answer is $210.

Step-by-step explanation:

60/2 = 30. 30*5= 150. 150+60=210.

well, we know Aaron received $60, and we also know that Aaron and Betty are sharing the total on a 2:5 ratio, thus

[tex]\cfrac{Aaron}{Betty}~~ = ~~\cfrac{2}{5}\implies \cfrac{60}{Betty}~~ = ~~\cfrac{2}{5}\implies (60)(5)=(Betty)(2) \\\\\\ \cfrac{(60)(5)}{2}=Betty\implies 150=Betty~\hfill \underset{\textit{total money shared}}{\stackrel{60~~ + ~~150}{210}}[/tex]

show a graph for the following: f(x)=3^2

Answers

The blue curve of the image attached below represents the graph of the function f(x) = 3 · x².

How to determine the graph of a given function

In this question we have a power function formed by the product of a primitive function g(x) = x² and vertical dilation h(x) = 3, then:

f(x) = h(x) · g(x)

f(x) = 3 · x²

Now we proceed to graph both the primitive function and the transformed function with a graphing tool. Please notice that the primitive function is the red curve.

Remark

The statement presents typing mistakes. Correct form is shown below:

Show a graph for the following: f(x) = 3 · x².

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Write the equation for the following relation. D = {(x, y ): (3, 9), (5, 25), (-2, 4), . . .}

Answers

The equation for the given relation is a quadratic equation:

[tex]y = x^2[/tex]

How to write an equation for the given relation?

Here we have the relation:

D = {(x, y); (3, 9), (5, 25), (-2, 4), ...}

Notice that for each coordinate point, we can see that the output is equal to the square of the input:

[tex]3^2 = 9\\5^2 = 25\\(-2)^2 = 4[/tex]

Then the equation is just:

[tex]y = x^2[/tex]

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Write an Algebra equation to the following question: Stephen and Lauren bought a home to flip for a profit. After budgeting a total of $23,150 for improvements, they started by spending $10,350 on subbing out some of the work. They would like to replace all thirty-two of the windows in the home. What is the maximum amount they can afford to spend on each window?

Answers

The maximum amount they can afford to spend on each window is $400

Equation

Total budget = $23,150Amount spent on subbing = $10,350Number of windows = 32Amount spent on each window = x

23,150 = 10,350 + 32x

23,150 - 10,350 = 32x

12,800 = 32x

divide both sides by 32

x = 12,800 / 32

x = $400

Therefore, the amount spent on each window is $400

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Find the value of x. Round to the
nearest tenth.
X
26
12
X
x = [?]

Answers

Answer:

Step-by-step explanation:

This is classic right triangle trig, cos specifically. Our reference angle is the one marked 26°, the hypotenuse is given as 12, and the side adjacent to the reference angle is our unknown. This is the cosine ratio. Setting up to solve for x:

[tex]cos26=\frac{x}{12}[/tex] and

12cos(26) = x  Plug this into your calculator in degree mode to get that

x = 10.8

The sum of five consecutive integers equals 5.5 times the middle integer. Find the integers.

Answers

The integers are therefore -2, -2, 0, 1 and 2

Linear equation

Let the five consecutive integers be x-3, x-2, x-1, x and x+1

If the  sum of five consecutive integers equals 5.5 times the middle integer, then;

x-3+x-2+x-1+x+x+1 = 5.5(x-1)

5x - 5 = 5.5x - 5.5

Collect the like terms

5x-5.5x = -5.5 + 5

-0.5x = -0.5

x = 1

The integers are therefore -2, -2, 0, 1 and 2

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Which of the following statements does NOT adequately describe a developmental progression?
A-The order in which skills and concepts build on one another as children develop is called a developmental progression.
B- A developmental progression provides a specific sequence of instruction to support children as they build their math knowledge.
C- A developmental progression is a skill check- list that four-years- olds must master to be prepared for kindergarten.

Answers

The statement which does not adequately describe a developmental progression is Choice C- A developmental progression is a skill check- list that four-years- olds must master to be prepared for kindergarten.

What is developmental progression?

The Developmental Progression of Functional Skills is a concept which describes the child's growth in which case, the child's develops relationship with family members and a sense of self in the process and this concept in discuss is not limited to four-year olds.

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f Tanisha has ​$ 1,000 to invest at 5 % per annum compounded ​, how long will it be before she has ​$1,400 ​? If the compounding is​ continuous, how long will it​ be?
Question content area bottom
Part 1
Compounding ​, it will be about
  
enter your response here years before Tanisha has ​$1,400.

Answers

With annual compounding, the number of years for 1000 to become 1400 is 6.7 years

With continous compounding, the number of years for 1000 to become 1400 is 1.35 years

How long would it take $1000 to become $1,400?

With annual compounding, the formula that would be used is:

(In FV / PV) / r

Where:

FV = future value PV = present value r = interest rate

(In 1400 / 1000) / 0.05 = 6.7 years

With continous compounding, the formula that would be used is:

(In 1400 / 1000) / (In e^r)

Where r = interest rate

((In 1400 / 1000) / (In e^0.05) = 1.35 years

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evaluate 5(x-1)-2 when x=3 (urgent)

Answers

Answer: 8

Step-by-step explanation:

Since x=3, we can plug in 3 for x in the equation:

[tex]5(3-1)-2\\5(2)-2\\10-2\\8[/tex]

⊱________________________________________________________⊰

Answer:

8

Step-by-step explanation:

Plug in 3 for x

[tex]\sf{5(3-1)-2}[/tex]. [tex]\large\textbf{[Perform the operation in parentheses]}[/tex]

[tex]\sf{5(2)-2} \ \ \ \ \ \large\textbf{[Multiply 5 by 2 next]}[/tex]

[tex]\sf{10-2} \ \ \ \ \large\textbf{[Subtract]}[/tex]

[tex]\sf{8}[/tex]

Done !! Hope this made sense to you !!

⊱________________________________________________________⊰

[tex]\small\pmb{\tt{CALLIGRAPHY}}[/tex]

9) Find the median of the data set.

O a.) 8
Ob.) 5
Oc.) 10
O d.) 13

Data:
5, 8, 12, 6, 7, 10, 14, 6, 13

Answers

Answer:

a

Step-by-step explanation:

the median is the middle value of the data arranged in ascending order

5 , 6 , 6 , 7 , 8 , 10 , 12 , 13 , 14 ← ascending order

                    ↑ middle value

median = 8

Answer:

8

Step-by-step explanation:

To find the median, we must put all of the data in order and select the middle number. Since there are 9 terms, the median will be the 5th term.

5, 6, 6, 7, 8, 10, 12, 13, 14

Brainliest, please :)

Question 13 (5 points)
Find the greatest common factor of 48a²b7 and 48a6b5z.
a.) 12a²b5
b.) 12a8b¹2
c.) 18a6b7
d.) 48a²b5

Answers

The greatest common factor of 48a²b⁷ and 48a⁶b⁵z is the number 48a²b⁵

What is an equation?

An equation is an expression that shows the relationship between two or more variables and numbers.

The greatest common factor is the highest number that all the numbers share.

The greatest common factor of 48a²b⁷ and 48a⁶b⁵z is the number 48a²b⁵

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1. There are 50 contestants signed up for a TV show. There are 36 more female contestants than male contestants. How many female contestants have signed up to compete? Show your solution and explain how you plan to explain this to your students.

Answers

The number of female contestants who signed up to compete is; 43.

What is the number of female contestants?

Let number of females = x

Let number of males = y.

Hence, it follows from the task content that;

x+y = 50

x-y = 36.

Hence, by adding both equations together in a bid to determine the number of females; we have;

2x = 86

x = 43.

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PLS HELP FAST THERE'S A TIMER WILL GIVE BRAINLIETS.

Which name accurately describes the figure shown below and why? A 4-sided figure with 2 parallel sides, 2 right angles, and 2 non-congruent sides. parallelogram, because the figure has two pairs of parallel sides parallelogram, because the figure has exactly one pair of parallel sides trapezoid, because the figure has two pairs of parallel sides trapezoid, because the figure has exactly one pair of parallel sides Mark this and return

Answers

Trapezoid because the figure has exactly 1 pair of parallel line.
Hope it helps : )

Find A when p= 2000, r= 7%, n= 4, and t= 4

Answers

A=prt

A=2000×7%×4

=560

If p is the probability of success of a binomial experiment, then the probability of failure is what?

Answers

Answer:

1 - p

Step-by-step explanation:

1 - p

Simplify the expression using the proper order of operations
5[6 ÷ 2^2 ∙ 3 - 1]

Answers

The simplification of the expression 5(6 ÷ 2² × 3 - 1) using the proper order of operation is 3.75

Simplification

5(6 ÷ 2² × 3 - 1)

Bodmas

B - BracketO - ofD - divisionM - MultiplicationA - AdditionS - Subtraction

= 5(6 ÷ 4 × 3 - 1)

= 5(6 ÷ 4 × 2)

= 5(6 ÷ 8)

= 5(0.75)

= 3.75

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Which set of ordered pairs could be generated by an exponential function?

Answers

The set of ordered pairs that could be generated by an exponential function is; C: (-1,1/2), (0, 1), (1, 2), (2, 4)

How to find the ordered pairs?

An exponential function is represented by the general form;

y = abˣ

The above equation means that the value (0, 0) cannot be an ordered pair in an exponential function.

The highlight above means that, the options A, B and D cannot generate an exponential equation because they contain the point (0,0).

Thus, the set of ordered pairs that could be generated by an exponential function is option C: (-1,1/2), (0, 1), (1, 2), (2, 4)

The missing options are;

A. (-1,-1/2), (0, 0),(1,1/2), (2, 1)

B. (–1, –1), (0, 0), (1, 1), (2, 8)

C. (-1,1/2), (0, 1), (1, 2), (2, 4)

D. (–1, 1), (0, 0), (1, 1), (2, 4)

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a box contains 7 red balls and 2 blue balls. how many more blue balls do you need to add to the box to make the probobility of pulling a red ball 0.5

A) 2
B) 3
C) 4
D) 5
E) None Of The Above

Answers

Using the probability concept, the number of blue balls you need to add is:

D) 5.

What is a probability?

A probability is given by the number of desired outcomes divided by the number of total outcomes.

A probability of 0.5 is reached if the number of red balls is the same as the number of blue balls. Current the difference is of 7 - 2 = 5, hence 5 blue balls must be added.

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A(-3,-2), B(12, 3); 3 to 2

Answers

Answer:

  (6, 1)

Step-by-step explanation:

The formula for dividing segment AB into parts in the ratio M:N is ...

  P = (M·B +N·A)/(M+N)

Application

Using the above formula with the given values, we have ...

  P = (3(12, 3) +2(-3, -2))/5 = (36 -6, 9 -4)/5 = (30, 5)/5

  P = (6, 1)

The point P that divides segment AB into parts in the proportion 3:2 is ...

  P = (6, 1)

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