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ElenaW [278]
2 years ago
7

Please help!! quizz thanks if you do

Mathematics
1 answer:
Alchen [17]2 years ago
3 0

Answer:

X^2-3x+1=0

(x squared minus 3x plus one equals 0)

Step-by-step explanation:

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Help me! <br>This is Algebra problem
aleksklad [387]

Answer:

They paid 16 3/4% tax

Step-by-step explanation:

9%+1 3/4%+6%=16 3/4%

7 0
3 years ago
How do I solve this, please help
Bas_tet [7]

9514 1404 393

Answer:

  • EF = DE = 44
  • FG = DG = 36
  • FH = DF = 31

Step-by-step explanation:

Since EH is the perpendicular bisector of DF, ∆DEF is isosceles and sides DE and EF have the same length.

  DE = EF

  (9x -1) = (7x +9)

  2x = 10 . . . . . . . add 1-7x

  x = 5 . . . . . . . . . divide by 2

__

Similarly, marked sides GD and GF are the same length, so ...

  GD = GF

  (10y -4) = (7y +8)

  3y = 12 . . . . . . . . . . add 4-7y

  y = 4 . . . . . . . . . divide by 3

__

Now, we have what we need to calculate the side lengths.

  EF = 7x+9 = 7·5 +9 = 44

  DE = 9x-1 = 9·4 -1 = 44

  FG = 7y+8 = 7·4 +8 = 36

  DG = 10y-4 = 10·4 -4 = 36

  FH = 3x+4y = 3·5 +4·4 = 31

  DF = FH = 31

6 0
3 years ago
What is the least common denominator of 4/x * -4/2x^2?
Vanyuwa [196]
The least common denominator would be 2x^2
that is because you would have to multiply the first fraction by 2x
but you can't just somehow simplify 2x^2, it wouldn't be right
4/x * -4/2x^2
2x*4/(2x*x) * -4/2x^2
8x /2x^2 * -4/2x^2
Then you would complete it 

Hope this helps :)
6 0
3 years ago
Read 2 more answers
Would really appreciate if you can comment step by step of how you get the answers.
lana66690 [7]

Answer:

I hope this helps ^w^

Step-by-step explanation:

If this is a school paper, at the bottom or top there is usually a site. In this site, you search it up and type answer key. Then, if you are lucky the link would sent you to the answer key. If not, you can search up on yt how to do this such as x, y, z if still you can join study groups on cord. And lastly, if none of those work try messaging some friends. I wish you luck,

4 0
3 years ago
A line that includes the points (8,1) and (k,9) has a slope of 8. What is the value of k?
kogti [31]

Answer:

Step-by-step explanation:

I don’t know

8 0
3 years ago
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