What is the classification of each system?

Drag the answers into the boxes to match each system.

The equation of the line that passes through the point (-6, 6) and (-3, 7) is y = 1 / 3 x + 8

The equation of a line in slope intercept form can be represented as follows:

y = mx + c

where

Hence, the line passes through the point (-6, 6) and (-3, 7)

m = slope = 7 - 6 / -3 + 6

m = 1 / 3

Therefore, the y-intercept of the line can be found using (-6, 6)

y = 1  /3 x + b

6 = 1 / 3 (-6) + b

6 = -2 + b

b = 6 + 2

b = 8

Therefore, the equation of the line is y = 1 / 3 x + 8

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The cost of one cup of coffee in terms of x and y is x/12y.

Given in question,

Cost of 12 grams coffee = x dollars

   Cost of 1 gram coffee = x/12 dollars

1 gram coffee make cups = y

                   Cost of 1 cup = (x/12)/y

                                          = x/12y

Hence, the cost of one cup of coffee in terms of x and y is x/12y.

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Answer:

1. 104

2. 38

3. 38

Step-by-step explanation:

3x + 66 = 180

3x = 114

x = 38

Answer:

below

Step-by-step explanation:

The angle dimensions given for each triangle sum to 180 °

so

(x+10)  +  y+15   + 70 = 180     Simplifies to

x +y = 85

and

x + 20    + 50 + 60 = 180 °    simplifies to

x = 50°     use this value in the underlined equation to find y = 35°

Answer:

34a^3

Step-by-step explanation:

Since every term is alike we can add and subtract freely

(I wont be writing a^3 on every term to make this less confusing)

17 + 19 - 25 - (-17 + 19 - 25)

first the parenthesis do what is inside the parenthesis

17 + 19 - 25 - (-23)

now add everything

11 - (-23)

simplify

11 + 23

34

everything of course has a^3 at the end so

34a^3 is the answer

The standard form of the equation of the given straight line is 4x + (-7)y = 13.

We are given an equation. The equation is linear in nature. The equation represents a straight line. The equation is given below.

8x = 26 + 14y

We need to convert this equation to standard form. The standard form of an equation for a straight line is given below.

Ax + By = C

We need to rearrange the given equation so that it matches the correct format. The equation is written below.

8x - 14y = 26

We can simplify the equation further by dividing the whole equation by two.

4x + (-7)y = 13

Hence, the standard form of the equation is 4x + (-7)y = 13.

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Answer:

Below

Step-by-step explanation:

3 6 and 7  = 82 °

1 4 5 8 = 180 - 82 = 98 °

For the given sequence of transformation mapping of pentagon ABCDE onto pentagon A"B"C"D"E" is given by Line reflection followed by a translation.

As given in the question,

Given sequence of transformation mapping of pentagon ABCDE onto pentagon A"B"C"D"E" is given by :

a. dilation followed by a rotation :

Here dilation means enlarge or reduced the original shape which is not true for the given pentagon ABCDE.

b. translation followed by a rotation :

Translation means moves around a fixed point by certain degrees that is horizontal or vertical shift.

Not true.

c. Line reflection followed by a translation:

In this case preimage is flipped across the line or get reflected.

True.

d. Line reflection followed by a line reflection:

Here  fixed line is or a line is used as mirror . You get a image of the original.

Not true.

Therefore, for the given sequence of transformation mapping of pentagon ABCDE onto pentagon A"B"C"D"E" is given by Line reflection followed by a translation.

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Answer would be Angle as it has 2 rays and the same endpoint

According to the concept of card payment, the true statement is "If you purchase an item using debit card, the money will deducted from your bank account".

Card payment:

Card payment refers any transaction whereby the Card is used to settle bills or to pay for certain goods and/or services at a Post Office branch.

Given,

Here we need to find the true statement according to the purchase.

While we looking into the given options,

The first option is incorrect because it says there is no interest for credit card purchase. This one is wrong because we have to pay interest for credit card purchase.

The second option is wrong because it tells that the money will be deducted from your account. If anyone can purchase using the credit card the money will only be deducted at the end of the month with some interest on it.

The third option is incorrect because debit card transaction are truly based on the amount within you account so it is not a borrowed one.

Therefore, the final statement is the correct one.

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Answer:

12

Step-by-step explanation:

y it equal to 12 is

-48÷-4=12

Answer:

No they are not

Step-by-step explanation:

6.23x10^2=623

62,300/10^3=62.3

623>62.3

-Hope this helped

Answer:

70/3

Step-by-step explanation:

[tex]f(0)=\frac{140}{1+5e^{-2(0)}} \\ \\ =\frac{140}{1+5(1)} \\ \\ =\frac{140}{6} \\ \\ =\frac{70}{3}[/tex]

The Bar graph, Line graph and Report displays the counter in decimal format.

Selecting a counter displays information about that counter's collected data as a chart type. The bar graph, line graph and report displays the current value of each performance counter in decimal format.

Line graph: - Line graph, also known as a line chart or line plot, is commonly drawn to show how something changes over a period of time. scientists and engineers use these graphs to understand and derive meaning from large chunks of data.

Bar graph: - This are the pictorial representation of data, in the form of vertical or horizontal rectangular bars, where the  length of bars are proportional to the measure of data. They are mostly used in business and finance, but they can also be found in other contexts. This can be used to show the distribution of different heights of students in a class.

Report: -  A report is a document that presents information in an organized format for a specific audience and purpose. All the skills and the knowledge of the professionals are communicated through reports. Reports help the top line in decision making. A rule and balanced report also helps in problem solving.

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Answer:

0.00825814344701024621501758678697

Step-by-step explanation:

Use a calculator please<3

Answer:

- [tex]\sqrt{5}[/tex]

Step-by-step explanation:

using the rule of radicals

[tex]\sqrt{a}[/tex] × [tex]\sqrt{b}[/tex] ⇔ [tex]\sqrt{ab}[/tex]

simplifying radicals

[tex]\sqrt{20}[/tex]

= [tex]\sqrt{4(5)}[/tex]

= [tex]\sqrt{4}[/tex] × [tex]\sqrt{5}[/tex]

= 2[tex]\sqrt{5}[/tex]

and

[tex]\sqrt{45}[/tex]

= [tex]\sqrt{9(5)}[/tex]

= [tex]\sqrt{9}[/tex] × [tex]\sqrt{5}[/tex]

= 3[tex]\sqrt{5}[/tex]

Then

4[tex]\sqrt{20}[/tex] - 3[tex]\sqrt{45}[/tex]

= 4(2[tex]\sqrt{5}[/tex] ) - 3(3[tex]\sqrt{5}[/tex] )

= 8[tex]\sqrt{5}[/tex] - 9[tex]\sqrt{5}[/tex]

= - [tex]\sqrt{5}[/tex]

Answer: 8 months

Step-by-step explanation:

The area of the floor in the scale drawing is 20 square inches.

Firstly calculating the width of scale drawing. For this we will equate the two fractions.

Length/width (rectangle) = length/width (scale drawing)

Let the width of scale drawing be x

24/30 = 4/x

x = 4×30/24

Performing multiplication on Right Hand Side of the equation

x = 120/24

Performing division on Right Hand Side of the equation

x = 5

So, the area of scale drawing = length × breadth

Area of scale drawing = 4 × 5

Performing multiplication on Right Hand Side of the equation

Area of scale drawing = 20 square inches

Hence, the area is 20 square inches.

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Answer:

Can you tell me what i'm supposed to be finding

Step-by-step explanation:

The revised coordinates for the indicated site are (6, 3).

Given information;

Location of Point n (3, 5). The new coordinates will be if point n is moved 2 units down and 3 units right.

To get new coordinates we have to transform given points;

Transformation of the coordinate system: 

Defining new coordinate systems on the plane frequently involves coordinate transformations. The transformation's u- curves are representations of vertical lines with the form u- constant, while the v- curves are representations of horizontal lines with the form v- constant.

∴ (3, 5) ⇒ (3 + 3, 5 - 2)

           ⇒ (6, 3)

Hence, (6, 3) are the new coordinates of the given point.

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Kelly's knitting speed is 2.92 feet per hour

From the question, the given parameters are:

Length of knot = 38 foot

Time to cover this length = 13 hours

The speed of the knitting the scarf is calculated as

Speed = Length of knot /Time to cover this length

Substitute the known values in the above equation

So, we have the following equation

Speed = 38/13

Evaluating the quotient in the above equation, we have

Speed = 2.92

Hence, the speed of knotting the scarf is 2.92 feet per hour

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x > 5 represents a line with an open circle at 5 and going indefinitely toward infinity.

Inequality is a relation that compares two numbers or other mathematical expressions in an unequal way.

The symbol a < b indicates that a is smaller than b.

When a > b is used, it indicates that a is bigger than b.

a is less than or equal to b when a notation like a ≤ b.

a is bigger or equal value of an is indicated by the notation a ≥ b.

Given inequality is  - 3(2x - 5) < 5(2 - x).

- 6x + 15 < 10 - 5x.

- x < - 5.

x > 5 (think of moving x to make it positive).

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Answer:

The correct answer is: c) 3r + 6s

Step-by-step explanation:

the first 3 pounds are always going to be r dollars, then every additional pound will be s dollars.

Since we have a package that weighs 9 pounds; 3 pounds will cost r dollars and 6 pounds wills cost s dollars.

example:

lets say that r = 10 and s = 5

the first 3 pounds will cost 10 dollars and then every pound after would be 5 dollars

so:  

3(10) + 6(5)

This is just an example, since we don't know the actual values of r and s, we just use those variables.

The solution set of the inequalities can be identified by investigating the coefficient of x^2

The graph of a parabola is represented by a curve as used in the graphs attached in the equation

Parabolic graphs are also called graph of quadratic equation

The equation is usually in this form

y = ax^2 + bx + c

when it is "y =" it is a vertical parabola the graph will either opens up or down

The coefficient  of "x^2" which is "a" says if the curve opens upwards or downwards. when a is:

y > x^2 - 1 "a" is positive hence opens upwards

y ≤ -x^2 + 4  "a" is negative hence opens downwards

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Answer: 204 miles

Step-by-step explanation:

Differentiation of   [tex]\frac{2x-3}{2x+1}[/tex]  is [tex]\frac{8}{4x^{2}+4x+1}[/tex] .

Differentiation formula for  [tex]\frac{d}{dx}(\frac{u}{v}) = \frac{v\frac{d}{dx} - v\frac{d}{dx}}{v^{2} }[/tex]

Here, u = 2x - 3

          v = 2x + 1

[tex]\frac{d}{dx}u[/tex] = 2

[tex]\frac{d}{dx}v[/tex] = 2

[tex]v^{2} = (2x+1)^{2}[/tex]

    [tex]= 4x^{2}+4x+1[/tex]

Putting the values,

[tex]\frac{d}{dx}(\frac{2x-3}{2x+1}) = \frac{(2x+1)(2)-(2x-3)(2)}{4x^{2}+4x+1}[/tex]

              [tex]=\frac{4x+2-(4x-6)}{4x^{2}+4x+1}[/tex]

              [tex]=\frac{4x+2-4x+6}{4x^{2}+4x+1}[/tex]

              [tex]=\frac{8}{4x^{2}+4x+1}[/tex]

Hence, Differentiation of   [tex]\frac{2x-3}{2x+1}[/tex]  is [tex]\frac{8}{4x^{2}+4x+1}[/tex] .

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Answer:

70 students and 130 adults

Step-by-step explanation:

The equation 3n = 6 has a solution n = 2.

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

We have to find that which equation below is n = 2 a solution.

Then substitute n = 2;

3n = 6

3(2) = 6

This equation has a solution n = 2.

2. n-1=2

Then substitute n = 2;

2 - 1 = 1

The solution of the equation is not n = 2

3. 9+n=12

Then substitute n = 2;

9 + 2 = 11

The solution of the equation is not n = 2

4. 3+n=8

Then substitute n = 2;

3 + 2 = 5

The solution of the equation is not n = 2

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The amount of water needed to drink with their 50 guests is 900 liters.

An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.

Example: 2 + 3x + 4y = 7 is an expression.

We have,

In a town, 100 people need 600 liters of water to drink every day.

This can be written as,

100 people = 600 liters of water

50 guests are added.

The number of people = 100 + 50 = 150 people.

Now,

100 people = 600 liters of water

Multiply 150/100 on both sides.

150 people = 150/100 x 600 litres of water

150 people = 900 liters of water

Thus,

The amount of water needed to drink with their 50 guests is 900 liters.

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For the quadratic function y = ax² + bx + c , for which graph passes through the points (2, 31), (3 , 45) , (1, 19) is given by y = x² + 9x + 9.

As given in the question,

Standard form of quadratic function,

y = ax² + bx + c

Graph of the quadratic function passes through the points  (2, 31),

(3 , 45) , (1, 19) .

When passes through (2, 31)

31 = 4a + 2b + c __(1)

Passes through (3,45)

45 = 9a + 3b + c  __(2)

Passes through (1, 19)

19 = a + b + c __(3)

Multiply 9 to (3) and subtract (2) from it,

9a + 9b + 9c =171

9a +3b + c = 45

      6b + 8c = 126 ____(4)

Now, Multiply 4 to (3) and subtract (1) from it,

4a + 4b + 4c =76

4a +2b + c = 31

      2b + 3c = 45____(5)

Multiply 3 to (5) and subtract (4) from it,

6b + 9c = 135

6b + 8c =126

       c = 9

Substitute c= 9 in (5) we get,

2b + 3(9) = 45

⇒ b = 9

Now , substitute b = 9, c = 9 in (3) we get,

a + 9 + 9 = 19

⇒ a = 1

Required quadratic function is :

y = x² + 9x + 9  

Therefore, for the quadratic function y = ax² + bx + c , for which graph passes through the points (2, 31), (3 , 45) ,(1, 19) is given by y =x² + 9x + 9.

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