Given: AD BC and ZBCD ZADC
Prove: DE CE
D
Assemble the proof by dragging tiles to
the Statements and Reasons columns.
Intro
Angles Segments Triangles Statements Reasons
ZADC
ZDEA
Statements
ZECD
ZBCD
ZEDC
ZCBE
Reasons
ZCEB
ZDAE

Answer:

D

Step-by-step explanation:

Dividing by a fraction is the same as multiplying by its reciprocal.

6 ÷ 1/3

= 6 x 3/1

= 6 x 3

= 18

The number of sections of the board Shara has when she is finished cutting is 18 sections.

A fraction is written in the form of a numerator and a denominator where the denominator is greater that the numerator.

Example: 1/2, 1/3 is a fraction.

We have,

Length of the board = 6 feet

Length of the section = 1/3 feet

The number of 1/3 feet sections.

= 6 ÷ 1/3

= 6 x 3

= 18

Thus,

Shara when she is finished cutting will have 18 sections.

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Answer:

[tex]x^{3} ( x + 1 ) + y^{3} (x+1)\\= (x+1)(x^{3} + y^{3})[/tex]

Answer:

Step-by-step explanation:

YOU PLUS ALL OF THEM

Answer:

(x - 5)^2 + (y - 6)^2 = 64

Step-by-step explanation:

Every circumference is in the form:

(x - xc)^2 + (y - yc)^2 = r^2

Where xc is the x of the center. Yc is the y of the center. r is the radius. We just plug in the values and we're done.

Answer:

[tex](x-5)^2+(y-6)^2=64[/tex]

Step-by-step explanation:

Equation of a circle

[tex](x-a)^2+(y-b)^2=r^2[/tex]

where:

Given:

Substitute the given values into the formula:

[tex]\implies (x-5)^2+(y-6)^2=8^2[/tex]

[tex]\implies (x-5)^2+(y-6)^2=64[/tex]

Therefore, the equation of a circle with the given values is:

[tex](x-5)^2+(y-6)^2=64[/tex]

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Answer:

10.

Step-by-step explanation:

6/9 = x/15

9x = 6*15

9x = 90

x = 10.

Answer:

10

Step-by-step explanation:

[tex]\frac{6}{15} =\frac{x}{x+15}[/tex]

[tex]6(x+15)=15x[/tex]

[tex]6x+90=15x[/tex]

[tex]90=15-6x[/tex]

[tex]90=9x[/tex]

[tex]x=90/9= 10[/tex]

Hope this helps

A statistical question you can ask at least 20 different people can be: "How many pets do you have?"

An hypothetical data for the number of pets 20 sixth graders have has been given and the box plot that displays the data set is in the image below.

A statistical question can be defined as a question that can be answered by collecting a variety of numerical answers that vary. Examples of statistical questions include:

A statistical question you can ask at least 20 different people can be: "How many pets do you have?"

Below is the hypothetical questions that can be assumed you'd get from two people:

0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 4, 5, 5

Description of the people you asked can be: 20 sixth graders in your school.

How you gathered your data can be: Asking them to fill a questionnaire or by interview.

The numerical data from least to the greatest, hypothetically would be:

0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 4, 5, 5

The five-number summary for the hypothetical data would be:

Minimum: 0 (least data point)

Quartile Q1: 1 (middle of the first half of the data distribution)

Median: 1.5 (center of the data)

Quartile Q3: 2.75 (middle of the second half of the data distribution)

Maximum: 5 (greatest data value).

Using the five-number summary generated, the box plot that displays the data set is shown in the image attached below.

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Max can select 3 toppings from 10 available toppings for his pizza in 120 ways.

A combination is a mathematical technique that determines the number of possible arrangements in a collection of items where the order of the selection does not matter. In combinations, you can select the items in any order. Combinations can be confused with permutations.

Thus number of ways in which Max can select 3 toppings from 10 available toppings for his pizza is 10C3

=[tex]\frac{10!}{7!3!}[/tex]

= [tex]\frac{8.9.10}{3!}[/tex]

= 120

Thus Max can select 3 toppings from 10 available toppings for his pizza in 120 ways.

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The amount I'll have in two years at the growth rate described is; $1.21x.

Since it follows that the savings grow by 10% each year, it can be concluded that the growth factor is; 110% = 1.1

Hence, in two years, we have;

= $x × (1.1)²

= $1.21x.

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Answer:

1.21x

Step-by-step explanation:

on rsm it says its correct

Trapezoid

[tex]A=\frac{1}{2}(3.5)(6+8)=24.5[/tex]

Parallelogram

[tex]A=(3.5)(6)=21[/tex]

Rhombus

[tex]A=\frac{1}{2}(7 \cdot 2)=7[/tex]

Red Area

[tex]2(21)+2(24.5)=91[/tex]

White Area

[tex]2(21)+2(24.5)=91[/tex]

The circular area surrounding the design is an existing rock bed are 24.5, 21, 27, 91 and 91 ft sq.

That quadrilateral in which opposite sides are parallel is called a parallelogram.

Thus, a parallelogram is always a quadrilateral but a quadrilateral can or cannot be a parallelogram.

It is given the bases of the trapezoids are 6 ft and 8 ft,

The heights of the trapezoid and the parallelogram are 3.5 ft each, and the horizontal distances between the left and right vertices of each rhombus is 2 ft.

Trapezoid

Area = 1/2(3.5)(6 + 8)

Area = 24.5

Parallelogram

Area = 1/2(3.5)(6)

Area = 21

Rhombus

Area = 1/2(7)(2)

Area = 7

Red Area

Area = 2(21) + 2(2.4)

Area = 91

White Area

Area = 2(21) + 2(2.4)

Area = 91

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Answer:

44

Step-by-step explanation:

x + (22 - 13) = 53

x + 9 = 53

x = 44

Answer:

44

Step-by-step explanation:

x+(22-13)=53

x+22-13=53

x+9=53

x=44

B0 AND B1 are the parameters which describes the intercept and slope of the lines.

According to statement

we have to find the parameters which describes the intercept and slopes.

Simple linear regression is a  model that estimates the relationship between one independent variable and one dependent variable using a straight line. Both variables should be quantitative.

So, B0 AND B1 are the parameters which describes the intercept and slope of the lines.

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Answer:

0.35 km per minute, 7 km in 20 minutes

Step-by-step explanation:

1 hr = 60 minutes

21 km per 60 minutes = 21/60 = 0.35 km per minute

In 20 minutes: 0.35*20 = 7 km

The conversion of the vectors into coordinate notation rule are as follows;

It follows from the task content that the vectors given in the task content can be converted to coordinate notation form by mapping x and y to their respective transformation units. It therefore follows that the coordinate notation form of the vectors are;

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Answer:

  √5 is irrational

Step-by-step explanation:

A rational number is one that can be written exactly as an integer or ratio of integers. Written as a decimal number, it will have a finite number of digits, or a repeating decimal fraction.

Usually, a number that can only be expressed exactly using a symbol will be irrational. For square roots, any root of an integer other than a perfect square will be irrational.

The integer 5 is not a perfect square. It is between the squares 2²=4 and 3²=9. The square root of 5 is irrational.

__

Additional comment

A reduced fraction whose denominator has factors other than 2 or 5 will translate to a repeating decimal. The number of repeating digits may be as many as 1 less than the denominator. For example, 1/19 has an 18-digit repeating decimal equivalent.

The Area of given figure is 341.6 square.

According to the statement

we have to find the total area of given figure.

Here a= 10 and h= 11

So, we use the formula is A = a(a + √((a)^2 + 4(h)^2))

where the a represent the base of given solid or sides of the equilateral triangle

And h represent the slant height of the solid.

So, Substitute the values in above formula then

A = 10(10 + √((10)^2 + 4(11)^2))

A = 10(10 + √((100 + 4(121))

A = 10(10 + √(100 + 484)

A = 10(10 + √(584)

A = 10(10 + 24.16)

A = 10(34.16)

A= 341.6

So, The Area of given figure is 341.6 square.

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The dive of the Peregrine falcon took 7.5 seconds

How to solve such time related questions?

The key concept for solving such questions is the relationship between speed, distance and time.

The relationship between them is Distance = Speed X Time

Assuming the top speed of  a Peregrine falcon is 240mph.

Distance travelled by the Peregrine falcon = 0.5 miles

By using the formula we get

0.5 = 240 x time

time = [tex]\frac{1}{480}[/tex] hours

time = [tex]\frac{3600}{480}[/tex] seconds = 7.5 seconds

∴ The dive of the Peregrine falcon took 7.5 seconds

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Answer:

22

Step-by-step explanation:

Dion (d) is 4 years older than Agustina (a)

d=a+4

In 3 years the sum of their ages will be 46

d+3+a+3=46

d+a+6=46

d+a=40

d=40-a

d=a+4

a+4=40-a

2a=36

a=18

Plug a back in

18+4=d

22=d

d=22

Sorry if this was a little long.

Using it's concept, the probability of D is 4/7.

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

Researching this problem on the internet, A, B and C all have a probability of 1/7. The sum of all probabilities is of 1 = 100%, hence:

[tex]3 \times \frac{1}{7} + P(D) = 1[/tex]

[tex]P(D) = 1 - \frac{3}{7}[/tex]

[tex]P(D) = \frac{4}{7}[/tex]

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The surface area of the figure given is of: 61.3 yd².

The combined surface area of a figure is the area of each figure.

This figure is composed by:

The area of the circle is given as follows:

[tex]A = \pi r^2 = \pi \times 3^2 = 9\pi[/tex]

For the triangle, we need to find it's height, which is the leg of a right triangle, in which one of the sides is 3 and the hypotenuse is 11.4, hence:

h² + 3² = 11.4²

[tex]h = \sqrt{11.4^2 - 3^2}[/tex]

h = 11 yd.

Hence the area of the triangle is:

A = 0.5 x 6 x 11 = 33 yd²

The surface area of the figure is:

9pi + 33 yd² = 61.3 yd².

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The solution of the given exponential equation is 0.688.

Given that Mike is working on solving the exponential equation 37ˣ = 12.

An exponential equation is an exponential equation where the power (or)  part of the exponent is a variable.

firstly, we have to slve this equation is by converting it to logarithmic form. Any exponential equation can be transformed into an equivalent logarithmic equation as follows:

aˣ = y

logₐy = x

Now, we will apply this transformation to our equation and we get

log₃₇12=x

Further, we will apply the change of base formula so that solution is written in terms of base 10 logs:

x=log12/log37

So, this is an exact answer to given equation, but we can simplify it further by using decimal approximation of it using a calculator. Remember that these logs are base 10:

x≈1.079/1.568

x=0.688

Hence, the solution of the given exponential equation 37ˣ=12 is 0.688.

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Answer:

salad, lamb, cookie

salad, pizza, brownie

garlic bread, lamb, cookie.

garlic bread, pizza, brownie

Answer:

68 increased by 43% is 97.24.

Step-by-step explanation:

Multiply 68 by 1.43.

68×1.43=97.24

The answer is 97.24.

Hope this helps!

Answer:

97.24 Absolute change, And the actual difference is 97.24 - 68 = 29.24.

Step-by-step explanation:

Answer:

system of equation by elimination

1 write both equation in standard form

2 make the coefficient of one variable opposites

3 add the questions relating from step to eliminate one variable

4 solve for the remaining variable

5 substitute the solution from step for into one of the original equation

The missing statements that completes the proof that proves that quadrilateral ACDB is a parallelogram is explained below.

A quadrilateral that has the following properties is a parallelogram, in reference to the quadrilateral ACDB in the image given:

Given that ΔCFD ≅ ΔBGA, the proof that quadrilateral ACDB is a parallelogram is given below:

Since we know that ΔCFD ≅ ΔBGA, therefore, CD ≅ BA because corresponding parts of congruent triangles are: congruent.

Since we also know that m∠DCA + m∠CAB = 180°, then we also know that both angles are: supplementary.

Transversal A.F cut the two lines, CD and BA, then the interior angles on the same side of the transversal are: supplementary, thus, we it implies we know that lines CD and BA would be: parallel.

Since one pair of sides (CD and BA) are both parallel and congruent, then we know that quadrilateral ACDB is a parallelogram.

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Two lines in a plane can intersect,overlap or be parallel.When two lines intersect they have a common point which lies on both line.This is called solution of the two simultaneous equation which when graphed represent straight lines. Adding the two equations uses  Elimination method to solve for x and y. The x and y value obtained is the common point lying on both the lines.

2x - 3y = 1

+ 2x + 3y = 2  

4x =3 Or x=3/4

Substituting x value in any of the two-equation we can find the corresponding y value .

2x-3y=1

2(3/4) - 3y =1

Solving for y

y= 1/6

The point of intersection of the two lines is ( 3/4, 1/6)

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Answer:

  A. {-4, -3, 7, 8}

Step-by-step explanation:

The ordered pairs representing a function are always written ...

  (input, output)

The set of inputs for the given function is the list of first-numbers of the ordered pairs. Those numbers are -3, -4, 8, 7. When we express them as a set, we like to have the elements of the set in increasing order:

  inputs = {-4, -3, 7, 8} . . . . . . matches the first choice

The length of AB is 25 units

The given parameters are

AC = 15 cm

BC = 20 cm

The triangle is right -angled at C.

So, we have:

AB^2 = AC^2 + BC^2

This gives

AB^2 = 15^2 + 20^2

Evaluate

AB^2 = 625

Take the square roots

AB = 25

Hence, the length of AB is 25 units

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Answer:

  1

Step-by-step explanation:

The given ratio will be the remaining factor of 343 after factors of 7 have been removed. The value of interest is that factor, modulo 7.

  343 = 7·7·7 = 7³

The value of k is the power of 7 in the factorization of 343, so we have ...

  k = 3

and ...

  343/7³ = 1

The remainder when this ratio is divided by 7 is ...

  1 mod 7 = 1

The remainder when 343/7^k is divided by 7 is 1.

The slope of C'D' is equal to the slope of CD because dilation preserves shape which is 2

Transformation is the movement of a point from its initial location to a new location. Types of transformation are reflection, translation, rotation and dilation.

Rigid transformation is a transformation that preserves the shape and size of a figure such as translation, reflection and rotation. Dilation preserves only the shape.

Polygon ABCD has vertex at A(1, 1), B(2, 3), C(5, 4), and D(4, 2).

Slope of CD = (2 - 4) / (4 - 5) = 2

Polygon ABCD is dilated by a scale factor of 8 with the origin resulting in the image A′B′C′D′.

Slope of C'D' = slope of CD (because preserves shape) = 2

The slope of C'D' is equal to the slope of CD because dilation preserves shape which is 2

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The slope of C'D' is equal to the slope of CD because dilation preserves shape which is 2

What is transformation?

Transformation is the movement of a point from its initial location to a new location. Types of transformation are reflection, translation, rotation and dilation.

Rigid transformation is a transformation that preserves the shape and size of a figure such as translation, reflection and rotation. Dilation preserves only the shape.

Polygon ABCD has vertex at A(1, 1), B(2, 3), C(5, 4), and D(4, 2).

Slope of CD = (2 - 4) / (4 - 5) = 2

Polygon ABCD is dilated by a scale factor of 8 with the origin resulting in the image A′B′C′D′.

Slope of C'D' = slope of CD (because preserves shape) = 2

The slope of C'D' is equal to the slope of CD because dilation preserves shape which is 2

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