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MatroZZZ [7]
4 years ago
11

Help as soon as possible!!!!

Mathematics
2 answers:
yuradex [85]4 years ago
7 0
2 =   1.313 is the right answer
3 =   24 is the right answer
4 =   27 is the right answer
marissa [1.9K]4 years ago
3 0
What they said^^^^^^^^^^^^^
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Give the discriminant of the equation 0 = −x2+6x−9<br>please answer
Brut [27]

Answer:

x = 3

Steps:

- ( {x}^{2}  - 6x + 9) = 0

-  {(x - 3)}^{2}  = 0

{(x - 3)}^{2}  = 0

x - 3 = 0

There you go!

8 0
3 years ago
Find all roots: x^3-7x^2-12x = 0
Pepsi [2]

Answer:

The roots are  0, 3 and 4.

Step-by-step explanation:

x^3-7x^2-12x = 0   Take out x:

x(x^2 - 7x - 12) = 0  Factor the expression in the brackets:

x(x - 3)(x - 4) = 0

x = 0 or x - 3 = 0 or x - 4 = 0, so

The roots are  0, 3 and 4.

5 0
3 years ago
If there is a class of 30 students and 6 of them are off, what fraction of students are there and what percentage of students ar
elena-s [515]
As fraction it would be 6/30 reduced 1/5 and as percentage 20% so 20% of the students were off.<span />
3 0
3 years ago
I don't know how to do this. I have the formula but I'm confused. Help?
Rom4ik [11]
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3 0
3 years ago
Really need help, thanks in advance!
Bond [772]

Answer:

Step-by-step explanation:

6 0
3 years ago
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