I need help understanding how to solve perfect square equations (pic as an example)

Answer:

How do you find a quadratic regression from points?

Image result for using quadratic regression what parabola uses the points (4,80), (-3,-11), (-1,-15)?

Quadratic regression is the process of determining the equation of a parabola that best fits a set of data. This set of data is a given set of graph points that make up the shape of a parabola. The equation of the parabola is y = ax2 + bx + c, where a can never equal zero

Step-by-step explanation:

Answer:

x=8

Step-by-step explanation:

Since 7-2 is 5, that means that both sides are increasing by 5.

3+5 = 8 so therefore 8 =x

Answer:

What is 3

Step-by-step explanation:

4 - 1 = 3.

Answer:

1. 3               2. 4

Step-by-step explanation:

1. 2+8+(-7)

2+8-7

3

2. 4+7+(-7)

4+7-7

4

Answer:

x =-1

Step-by-step explanation:

Answer:

7x

Step-by-step explanation:

x +2x + x + x + x + x

= x + x + x + x + x + 2x

= 5x + 2x

= 7x

Step-by-step explanation:

The sum of the interior angles of a regular n-gon is given by the formula (n-2)180. Hence, in our case n=20 and we have the answer of 18(180)=3240 degrees.

Step-by-step explanation:

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What is the measure of an interior angle of a regular polygon with 20 sides?

Geometry Angles with Triangles and Polygons

1 Answer

mason m

Jan 2, 2016

162

˚

Explanation:

The sum of the interior angles in a regular polygon with

n

sides is found through the formula

180

˚

(

n

−

2

)

Here,

n

=

20

, so the sum of the interior angles is

180

˚

(

20

−

2

)

=

180

˚

(

18

)

=

3240

˚

To find just one angle, divide

3240

˚

by

20

since all

20

angles are congruent.

3240

˚

20

=

162

˚

Answer:  " 4 − 3a " .

________

Step-by-step explanation:

" 4 − a − a − a " ;

        = 4 − 1a − 1a − 1a " ;

        =  ?  " ;

________

Combine the "like terms" :

________

         →   " − 1a − 1a − 1a " ;

               = (− 1a − 1a) − 1a ;

               = ( − 2a) − 1a ;

               =  − 3a ;

________

Now, bring down the "4" ;

  and rewrite the expression:

________

        →  " 4 − 3a " ;

which cannot be simplified further.

________

The answer is:  " 4 − 3a " .

________

Hope this is helpful!

 Best wishes to you!

________

[tex]\sf \large \boldsymbol {} 1) \ (4^0)^6= 4^{0\cdot 6}= 4^0\neq 4^6 \ False \\\\\\ 2) \ \dfrac{3^8}{3^{-2}} =3^{8-(-2)}=3^{8+2}=3^{10} \ \ True \\\\\\ 3) \ 2^{-5}\cdot 2^3=2^{-5+3}=2^{-2}=\dfrac{1}{2^2} \ \ True \\\\\\ 4) \ 6^4\cdot 3^4=(6\cdot 3)^4=18^4\neq 18^8 \ \ False[/tex]

Answer:

false, true, true, false

Step-by-step explanation:

(4^0)^6=1 is not equal to 4^6=4096

3^8/3^-2=59049 is equal to 3^10=59049

2^-5*2^3=0.25 is equal to 1/2^2=1/4=0.25

6^4*3^4=104976 is not equal to 18^8=11019960576

hope this helps!

Answer:

6) a

7) c

Step-by-step explanation:

question 6 is incorrect because you have to find the distance between the two points. for question 6, you are finding the distance between -2 and 1. that is three!

Answer:

join the two points

Step-by-step explanation:

（x,y) = (1,3)

(just by substituting the number into the equation to make it fit)

then, also draw a point at (0.-1)

Answer:

I hope this helps, and is what you are looking for.

good luck!

Answer:

21cm^2

Step-by-step explanation:

Formula for area of triangle = (base x height) / 2

in this triangle: base = 7        Height = 6

= (7 x 6) / 2

= 42 /2

= 21cm^2

Answer:

C

Step-by-step explanation:

If they are increasing w and l, they need a function for both.

Answer:

huh your questions make no sense there has to be more

Step-by-step explanation:

Answer:

Step-by-step explanation:

The line x = 3 is parallel to y- axis, the perpendicular line is going to be parallel to x- axis and will have an equation:

Since it passes through the point (-2, 5), it will have a = 5:

[tex]▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪[/tex]

Let's find (f - g)(x) :

Answer:

(f - g)(x) = f(x) - g(x)

(f - g)(x) = (3x + 10) - (4x - 2)

(f - g)(x) = 3x + 10 - 4x + 2

(f - g)(x) = - x + 12

Answer:

h = 2

Step-by-step explanation:

I'm assuming your periods are multiplication signs.

(h + h) X (h X h) = 16

When adding two variables like the first set of parentheses, it would become 2h.  When multiplying two like variables, you add the exponents.  h is the same as writing h¹.  So h¹ x h¹   gives you the answer of h².

So now your equation would look like:

2h  X  h²  = 16

As above, when you multiply two like variables you would add the exponents.  Also if any number are in front of the variable you would multiply those numbers.  So you have 2h¹ x 1h² and that would be 2h³.  If it had been

2h¹ x 2h², your answer would have been 4h³.

But so far you have 2h¹ x 1h² = 16

2h³ = 16

Dividing both sides by 2 you get

h³ = 8

To find h you have to take the cubed root of 8.  What number multiplied by itself 3 times gives you 8?    2 x 2 x 2 = 8     2 x 2 = 4 and x 2 = 8.

h = 2

If you put this into the original equation you have:

(2 + 2) x ( 2 x 2) = 16

 ( 4 ) x ( 4 ) = 16

Answer:

QS = 30

Step-by-step explanation:

Since R is the mid point QR = RS

Given QR = 6x – 51 and RS = 2x – 7 then

6x – 51 =  2x – 7, isolate like terms

  6x -2x = 51 -7 , combine like terms

        4x = 44, divide both sides by 4

         x = 11

QS = QR + RS

QS = 6x -51 +2x -7 , combine like terms

QS = 8x - 58, substitute x= 11 in the equation

QS = 8*11 -58, multiply 8 and 11

QS = 88 -58

QS = 30

Answer:

(x, y) = (4, 1)  

Step-by-step explanation:

I'm pretty sure this is right but please check with someone else is possible. Hope this helped!

Answer:

Answer:

póngalo en español como puedo yo poner lo en español por que todo me sale en inglés

Answer:

6.5 hours

Step-by-step explanation:

the pay per hour is $21.1

137.15÷21.1=6.5

33/14 =2 5/14

Step-by-step explanation:

have a great day

Answer: 9/10 of a second

Answer:

4

Step-by-step explanation:

since the square of the number ending with 2 will give 4 at units place

Answer:

3

Step-by-step explanation:

Answer:

2876

Step-by-step explanation:

Let the student tickets be x

Let the generall Admission tickets be y

x+y=525

y=525-x

4x+6y=2876 (subsitute for y)

4x+6(525-x)=2876

Answer:

The answer is 8.

Step-by-step explanation:

If you multiply each of the measurments by 1.5 they equal the measurments on the larger trapazoid. I can't see the full question but im assuming It's asking for the measurment (2x-16). So 12 divided by 1.5 equals 8. And to get eight you replace x with 4. Hope I helped. :)

[tex]\\ \sf\longmapsto \dfrac{2x-16}{12}=\dfrac{12}{18}[/tex]

[tex]\\ \sf\longmapsto \dfrac{x-8}{6}=\dfrac{2}{3}[/tex]

[tex]\\ \sf\longmapsto 3(x-8)=12[/tex]

[tex]\\ \sf\longmapsto 3x-24=12[/tex]

[tex]\\ \sf\longmapsto 3x=36[/tex]

[tex]\\ \sf\longmapsto x=12[/tex]

Answer:

True

Step-by-step explanation:

Answer:

Below : )

Step-by-step explanation:

1) {x lx is all real numbers}

2) {y l y is greater than or equal to zero}

3) increasing

4) decreasing

range: the set of output values corresponding to the domain values

domain: the set of input values for which the function is defined

Hope this helps! : )

Answer:

function notation.

Step-by-step explanation:

I was there with you i just happen to remember this one thing from my middle school