3 years ago

Property operation of 6 { 2.7 + 4 }=6{ 4 + 2.7 }

1 answer:

6 0

Hi! This might reflexive property since the same is on both sides of the equation.

The definition of Reflexive property:

The same thing should appear on both sides on the equation.

I hope this helps! :)

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Use the substitution method to determine the solution of the system of equations. y = -5x and 21x - 7y = 28

8_murik_8 [283]

Answer:

x = 1/2 y = -5/2

Step-by-step explanation:

Since we already know an equation for y, we just need to plug it into the other equation.

21x - 7(-5x) = 28

21x + 35x = 28

56x = 28

x = 1/2

Now that we know x, we substitute it into the other equation, to find y.

y = -5x

y = -5(1/2)

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2 years ago

A farmer needs 3x2 − 4x + 10 seeds for each of x3 + 5x − 20 fields. What expression would represent the seeds the farmer needs t

Fittoniya [83]

Answer:

Step-by-step explanation:

(3x^2-4x+10)(x^3+5x-20) = $3x^5-4x^4+25x^3-80x^2+130x-200$

x=1 is not a good value since when you plug it in you get -126 and you can't have a negative number of seeds.

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2 years ago

Graph the equation on the coordinate plane. y = 4x+4

Alla [95]

To graph the equation of the line, find the x-intercept and the y-intercept of the function

we have

$y=4x+4$

we know that

The x-intercept is the value of x when the value of y is equal to zero

The y-intercept is the value of y when the value of x is equal to zero

Step 1

Find the x-intercept

For $y=0$

$0=4x+4$

$4x=-4$

$x=-1$

the x-intercept is the point $(-1,0)$

Step 2

Find the y-intercept

For $x=0$

$y=4*0+4$

$y=4$

the y-intercept is the point $(0,4)$

Step 3

Graph the points and draw the line

see the attached figure

therefore

the answer in the attached figure

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Lady bird [3.3K]

24 rounded to the nearest 7

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2 years ago

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Answer:

Step-by-step explanation:

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