For the equation y = 3x2 − 4x + 11, choose the correct application of the quadratic formula. x equals four plus or minus the square root of negative four squared minus four times three times eleven, all divided by two ti x equals negative four plus or minus the square root of negative four squared minus four times three times eleven, all divided x equals negative three plus or minus the square root of three squared minus four times negative four times eleven, all divided x equals three plus or minus the square root of three squared minus four times negative four times eleven, all divided by two t

Answers

Answer 1
Answer: y = 3x² - 4x + 11
0 = 3x² - 4x + 11
x = -(-4) ± √((-4)² - 4(13)(11))
                     2(3)
x = 4 ± √(16 - 4(143))
                     6
x = 4 ± √(16 - 572)
                   6
x = 4 ± √(556)
              6
x = 4 ± 2√(139)
             6
x = 2 ± √(139)
             3
Answer 2
Answer:

Answer:

What he said below was that it was your second choice

(hope this helps or at least thats what i got from it)


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A flat surface that extends without end in all directions and is named by three points that are not on the same line is known as which geometric term? A. point B. ray C. line D. plane

Answers

The flat surface that extends without end in all directions and is named by three points that are not on the same line is known as D. Plane.

What is a plane?

A flat form or a shape with two dimensions—length and width—is referred to as a two-dimensional shape. Shapes that are two-dimensional, or 2D, lack thickness.

We can represent all the two-dimensional figures in a plane some of them are, Triangles, Circles, Quadrilaterals, and Polygons.

A plane can also be represented as a surface, It can extend without end in all directions and is named after three points that are not on the same line.

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Answer:

D...........................

What is the value of x?



x =

Answers

The formula we need is this one: EC(EC+CD)=EB(EB+BA).  Filling in accordingly, we have x+4(x+4+1)=x+1(x+1+11).  Simplifying that we get (x+4)(x+5)=(x+1)(x+12).  We will FOIL both sides to get x^2+9x+20=x^2+13x+12.  Combining like terms gives us this simplification: 0=4x-8.  If we factor out the common 4, we have 0 = 4(x-2).  By the Zero Product Property, eitheer 4=0 or x-2=0.  Well obviously, 4 does not equal zero, so x-2 = 0, and x = 2.

How many solutions are possible for a triangle with B=44,a=23,=12?

Answers

b/sinB = a/sinA 

12/sin44 = 23/sinA

12sinA = 23*sin44

sinA = (23*sin44)/12

sinA = 1.3314 

No Solution

What is 0.121212 expressed as the quotient of two integers in simplest form?

Answers

4/33

the way i do it, is i want 12 to be recurring, so i do 12/100, then i take away one from the denominator, so i get 12/99 = 0.121212.....

similarly, if i wanted 0.123123123, 

i could do 123/1000 then take away one from the denominator to get 123/999 and that should give us 0.123123123123

Trying to write an equation for line on graph without any numbers given to plug into for slope

Answers


In that situation, you use the information you DO have.  It's not always
enough to do the job.  But often it is, and in that case, you use what you
do have to answer the question or solve the problem.

Sadly, I can't be any more specific than that.  You haven't told us what
information you do have ... only what information you don't have.


Final answer:

The equation for the line is y = 3x + 9.

Explanation:

The equation for a line can be written in the form y = mx + b, where m represents the slope and b represents the y-intercept. In this case, since the slope is 3 and the y-intercept is 9, the equation for the line is y = 3x + 9.

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A book sold 38.400 copies in its first month of release. Suppose this represents 7.3% of the number of copies sold todate. How many copies have been sold to date?Round your answer to the nearest whole number

Answers

Since 38400 is 7.3% of the number of copies, then we can calculate the total number of copies with:

38400*100/7.3 = 526027.39. Rounded to the nearest whole number we have: 526027

The answer is 526027