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Karolina [17]
3 years ago
10

PLEASE HELP FAST! I'll mark as brainliest

Mathematics
2 answers:
EastWind [94]3 years ago
7 0

Answer:

It is easy you just add all of the up and the answer will give you 20 so your answer will be 20

Step-by-step explanation:

ad 2+3+4+5+6=20

20 is your answer

HOPE THIS HELPS YOU!

NeX [460]3 years ago
6 0

Answer:

It is easy you just add all of the up and the answer will give you 20 so your answer will be 20

Step-by-step explanation:

ad 2+3+4+5+6 = 20

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1.What is the shape of the graph of any quadratic function?
likoan [24]

Answer:

Inverted parabola

Two complex solution

Step-by-step explanation:

any quadratic equation can be expressed in terms of ax^2 + bx + c = 0

It has two solutions which can be found using formula X =( -b + \sqrt{b^2 -4ac} )/2a \\or  \ ( -b - \sqrt{b^2 -4ac} )/2a

We know that  for any value inside the square root function

if it is positive its solution will be real number

for example  \sqrt{9} we can have two real solution -3 and 3

if it is negative its solution will be complex number

for example  \sqrt{-9}we can have two complex solution

expressed in term of a + ib or a - ib

------------------------------------------------------------------------------------------

Given in the problem

we have  ax^2 - bx + c

so its solution will be

X =( -(-b) + \sqrt{b^2 -4ac} )/2a \\or  \ ( -(-b) - \sqrt{b^2 -4ac} )/2a\\\\X =( b + \sqrt{b^2 -4ac} )/2a \\or  \ ( b - \sqrt{b^2 -4ac} )/2a\\

Since in this expression it is given in problem statement that b^2 - 4ac < 0 which will be a negative number and for negative number, its square root is complex number.

also X has two values as given above it will have two solution

hence it will have two complex solution based on above discussion.

Also for any quadratic equation shape of its curve if plotted on coordinate plane is parabolic.

If it has complex solution then curve of such expression  will not pass through X axis

7 0
3 years ago
What are the x-coordinates of the solutions to this system of equations?
Katarina [22]
X^2+y^2=36
y=(x-6)
substitute y in first equation
x^2+(x-6)^2=36
x^2+x^2-12x+36=36
simplify and factor
2x(x-6)=0
so x=0, x=6
4 0
3 years ago
Sorry im not smart. will give brainliest
MakcuM [25]

Answer:

The answer is 161051

..........

8 0
3 years ago
Read 2 more answers
Which of the following is the equation of a line perpendicular to the line
Taya2010 [7]

Answer:

  • A. - 2x + 3y = 21

Step-by-step explanation:

The perpendicular lines have opposite reciprocal slopes.

<u>The given line has a slope of:</u>

  • m = -3/2

<u>The perpendicular slope is:</u>

  • m = 2/3

<u>And its y-intercept is:</u>

  • 9 = 2/3*3 + b
  • b = 7

<u>The line is:</u>

  • y = 2/3x + 7

<u>Convert this into standard form and compare with answer choices:</u>

  • 3y = 2x + 21
  • - 2x + 3y = 21

Correct choice is A

3 0
2 years ago
Arrange the integers 1,4,8,12,17,32 so that all consecutive integers add to a perfect square. Enter your answer with numbers sep
erastovalidia [21]

Answer:

Points

Step-by-step explanation:

7 0
3 years ago
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