5(23)=5(20)+ what property is being used help please i have till monday

The perimeter of the given triangle is the sum of the following segments:

Perimeter = PD + DO + OP

based on the given graph, you have that the coordinates of the points PDO are:

P: (1,-6)

D: (4,3)

O: (7,-6)

use the following formula for the distance in between two points:

d = √((x2 - x1)²+(y2 -y1)²)

where (x1,y1) and (x2,y2) are two points on the cordinate system.

For segement PD you have:

PD = √((1-4)²+(-6-3)²) = √(100) = 10

For segemtn DO:

DO = √((4-7)²+(-6-3)²) = √(100) = 10

For segment OP:

OP = √((1-7)²+(-6+6)²) = √36 = 6

then, the perimeter of the triangle is:

perimeter = 10 + 10 + 6 = 26

The three equations that will emerge from the given matrix will be:

So, the equations for the given matrix will be:

[0. 2. 3. / 4]

[8 -1 -2  / 5 |

[2. 0. 1  / 9 ​]

Now, the equation will be:

Therefore, the three equations that will emerge from the given matrix will be:

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Wherever you see the letter [tex]x[/tex] in the equation, you write [tex]4[/tex], [tex]0[/tex] or [tex]-4[/tex] and perform arithmetic operations. Good luck!

Answer: $1058.40

Step-by-step explanation:

16% of 1260

10%=126

5%=63

1%=12.6

10% divide by 10

5% divide by 10 then divide by 2

1% divide by 100

126+63+12.6=201.6

$201.60

Because it is on a discount we know subtract it with the original price

1260-201.6=1058.4

$1058.40

Answer:

y = -3x + 7

Step-by-step explanation:

Hello!

Slope-Intercept Form: y = mx + b

The y-intercept of the graph, or the point where the graph intersects the y-axis, is 7.

We can find the slope by finding the Rise/Run.

The graph rises negatively by 3 units as it runs positively by 1 unit, so the slope is -3/1 or -3.

Given the slope and y-intercept, the equation of the line is y = -3x + 7.

The fraction 1/ (x- 3/6) can be simplified in its simplest form as  6/(6x -3).

From the question  were given the expression as  1/ (x- 3/6) , which have the numerator as 1 and the denominator as  (x- 3/6) , then

the denominator can be expressed as

(x- 3/6)

which can be  simplified as :

(6x -3)/6

then we can place it back to the normal equation as 1/ (6x -3)/6, since the equation now appear in form of inverse function, Then this can be expressed by simplifying it as  6/(6x -3).

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Answer:

c) -2.

Step-by-step explanation:

(x + 5)(x - 7)

= x^2 - 7x + 5x - 35

= x^2 - 2x - 35

Compare with

x^2 + bx - 35

we see that b = -2.

The mark up percentage gained by the shopkeeper is 400%.

For the given question.

The cost of the item is $103.

The customer pays is $515.

The mark up percentage is -

mark up percentage = 515 - 103 / 103

mark up percentage = 4 × 100%

mark up percentage = 400 %.

Thus, the mark up percentage gained by the shopkeeper is 400%.

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Answer:

30y^5 x^8

Step-by-step explanation:

3x^8 * 5y^4 * 2y

Add 4 and 1 and you'll get 5 so it'll be:

3x^8 * 5y^5 * 2

Which it'll look like

15x^8 y^5 *2=

30x^8 y^5

The greatest integer in the system has a value of 5

From the question, the given parameters are:

The sum of an integer and 4 times the next consecutive odd integer is 23

Let the integer be x

So, we have the following representation

The sum of x and 4 times the (x + 2) is 23

This means that

So, we have

x + 4(x + 2) = 23

Open brackets

x + 4x + 8 = 23

Evaluate the like terms

5x = 15

Divide by 5

x = 3

So, we have

Next odd integer = 3 + 2

Evaluate

Next odd integer = 5

Hence, the value of the greatest integer is 5

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The most appropriate choice for ascending order will be given by-

[tex]-\sqrt{25}[/tex], 4.79, [tex]4\frac{19}{28}[/tex], [tex]4.\bar{8}[/tex] is in ascending order

What is ascending order?

Suppose there is a series of numbers. The numbers will be in ascending order if the numbers are arranged from their least value to their greatest value.  

The sorting of numbers in ascending order plays a very important role in statistics for calculation of median, quartiles, decile and percentile.

Here,

4.79 = 4.79

[tex]4\frac{19}{28} = 4 + \frac{19}{28} = 4.68\\[/tex]

[tex]4,\bar{8} = 4.8888..... = 4.89[/tex]

[tex]-\sqrt{25} = -5[/tex]

-5< 4.68< 4.79< 4.89 is in ascending order

So, [tex]-\sqrt{25}[/tex]< [tex]4\frac{19}{28}[/tex]< 4.79, [tex]4.\bar{8}[/tex] is in ascending order.

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Answer:

A. X-0.6x

Step-by-step explanation:

A. X-0.6x = 0.4x     YES

B. 1-0.6x = 1 - 0.6x  NO

C. X + 0.4 = 1.4x     NO

D. 0.4x-x  = -0.6x   NO

The function that can be used to represent the total amount that will be paid for the room is 100 + 55h.

A function simply means the expression that. an be used to show the relationship between the variables or the data given.

In this case, the interior designer charges $100 to visit a site, plus $55 to design each room.

Let the number of rooms be represented as r.

The function that represents the total amount will be:

= 100 + (55 × h)

= 100 + 55h

This illustrates the concept of functions.

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The equation of the line is given as y = 1

In the given question, we are to find the equation of the line that is parallel to the given equation. For y = 4, the slope of the equation is equal to 0 or does not exist.

Using point-slope formula y - y₁ = m(x- x₁)

The points passing through the line is (-3, 1)

We can substitute the values into the equation;

y - 1 = 0(x - (-3)

y = 0 + 1

y = 1

The equation of the line passing parallel to the equation is y = 1

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The constant of proportionality for the graph will be P=75. The correct option is C.

Slope or the gradient is the number or the ratio which determines the direction or the steepness of the line.

The proportionality of the constant determines the linear relation between two variables. as one increases the another also increases with the same factor.

To calculate the constant of proportionality for the given graph finds the slope of the graph with the points.

Slope = ( y₂ - y₁ ) / ( x₂ - x₁ )

Slope = ( 600 - 450 ) / ( 8 - 6 )

Slope = ( 150 / 2

Slope= 75

Therefore, the constant of proportionality for the graph will be P=75. The correct option is C.

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Answer:

1/3

in decimal its 0.333333

Step-by-step explanation:

I did it before

Answer: 0, 3, 0

Step-by-step explanation:

f(a) represents the value of f(x) at x=a.

Answer:  1 1/2x−1 3/4

Step-by-step explanation: i took the test on k12

The simplified form of the given expression is option c 1 1/2x - 1 3/4

Given,

The expression; 1/4 (3x - 7) + 3/4x

We have to simplify this expression;

Simplification of expressions;

To simplify a phrase, create an equivalent expression without any terms that are identical. The expression will then be rewritten using the fewest terms feasible.

Then,

1/4 (3x - 7) + 3/4x

= 1/4 × 3x - 1/4 × 7 + 3/4x

= 3/4x - 7/4x + 3/4x

= 6x/4 - 7/4

= 3x/2 - 7/4

= 1 1/2x - 1 3/4

Therefore,

The simplified form of the given expression is option c 1 1/2x - 1 3/4

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Answer:

B=2, C=3, D=4, E=5

In this picture, we have the triangles with two common sides and one common angle. However, they are not congruent, as they do not follow any of the congruence theorems. The congruence theorem with two sides and an angle is the SAS(Side-Angle-Side). However, the angle has to be the angle between the two sides, which does not happen in this case.

Answer:16%

Step-by-step explanation: (New Number-Old Number)/Old Number*100

Meaning: [tex]\frac{290-250}{250} *100[/tex]

[tex].16*100[/tex]

16

Could be wrong but i j learned this

Answer: I'm not sure what your options are, but a line the passes through -3,1, and is parallel to y=4, would be y=1

Step-by-step explanation:

Answer:

y > -1

Step-by-step explanation:

8y+9 > 1

   -9    -9

8y > -8

/8    /8

y > -1

The two consecutive odd integers are -7 and -5, then the greater integer is -5.

Let's say that the smaller integer is x and the larger one is y.

Such that if both of these are odd and consecutive, then y = 2 + x.

We can now write:

8*y - x = -33

Replacing y by x + 2 we get:

8*(x + 2) - x = -33

8x + 16 - x = -33

7x = -33 - 16  = -49

x = -49/7 = -7

that is the smaller integer, then the next one is:

y = x + 2 = -7 + 2 = -5

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The required value of the greater integer among the two consecutive odd integers is - 5.

An integer is a real number that has no decimal part.

suppose we have specified a particular odd no. 'O' then the consecutive odd integers are those numbers that arrive after every two numbers.

Given, an integer is subtracted from 8 times the next consecutive odd integer, the difference is -33.

Assuming the first odd integer to be 'n'.

So, the next consecutive odd integers are (n + 2), (n + 4)...

∴ 8(n + 2) - n = - 33.

8n + 16 - n = - 33.

7n = - 33 - 16.

7n = - 49.

n = - 49/7.

n = - 7.

So, the two integers are -7 and (-7 + 2) = - 5.

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Given

relation = {(9,1), (0,1), (9,-3), (-4,12)}

Find

Is this a function?

Explanation

A relation is a function only if it relates each element in its domain to only one element in the range.

here , domain 9 has two range value 1 and -3

so it is not a function

Final Answer

Hence , it is false

Answer:

False

Step-by-step explanation:

Definition:

Function is a set of coordinate points where each coordinate points do not have same domains (x-values). If we express mathematically, we can do as [tex]\displaystyle{f=\left \{(x_0,y_0),(x_1,y_1),(x_2,y_2),...,(x_n,y_n)\}\right}[/tex] where [tex]\displaystyle{x_0\neq x_1 \neq x_2\neq \dots \neq x_n}[/tex]Function is also considered to be a relation but not all relations can be functions.

As accorded to the relation, it turns out that there are two same domains (x-values) which is 9 from (9,1) and (9,-3). Therefore, this relation doesn’t satisfy the definition of function so it’s not a function.

Please let me know if you have any questions!

Answer: The slope is -0.7, the rise is -1.4, and the run is 2

The midpoint of (-2, 11) and (18, -1) is:

Point (8,5)

the number of sales by b must be 150 to make the same amount of salesman B.

What is Algebraic expression ?

Algebraic expressions are the idea of expressing numbers using letters or alphabets without specifying their actual values. The basics of algebra taught us how to express an unknown value using letters such as x, y, z, etc. These letters are called here as variables. An algebraic expression can be a combination of both variables and constants. Any value that is placed before and multiplied by a variable is a coefficient.

given that :

Salesman A gets paid $300 a month plus $8 for every sale he makes :

let the no. of sales A made be : x

then, in order to make the same amount of salesman b we equate btoth the amount :

300 + 8x = 1500

8x = 1500-300

8x = 1200

x = 1200/8

x = 150

Therefore, the number of sales by A must be 150 to make the same amount of salesman b.

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Answer:

21

Step-by-step explanation:

120*7/10= 84  french
15 are chinese
84+15=99
120-99=21

Answer:

21

Step-by-step explanation: