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bonufazy [111]
3 years ago
5

What is the formula for the discriminant?

Mathematics
1 answer:
Dennis_Churaev [7]3 years ago
4 0

Answer:

In the case of a quadratic equation ax2 + bx + c = 0, the discriminant is b2 − 4ac; for a cubic equation x3 + ax2 + bx + c = 0, the discriminant is a2b2 + 18abc − 4b3 − 4a3c − 27c2.

Step-by-step explanation:

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Pls help. 6th grade math.
alexdok [17]

Answer:

Note: If this is really sixth grade math, then im a cucumber. It's way easier than MY math, and I'm in 6th grade lol :P

Another Note: Please vote me "Brainliest", I put a lot of work into this :)

1. 40

2. 60

3. 1.35

4. 6

5. Do this yourself, it requires actually explaining and you have to use your own words. :)

6. Do this yourself, it requires actually explaining and you have to use your own words. :)

7. Do this yourself, it requires actually explaining and you have to use your own words. :)

8. 600 people

9. 4200 people

10. 149 people

11. Sahil came up with his answer so quickly because if 45 is 10% of <em>x</em>, then obviously 30% of x would be 45 times 3 and that is 135. Due to this, he quickly new that the number of people between the ages of 30 and 49 that voted is 135 people.

That's it, please heart my answer and vote me brainliest :)

Step-by-step explanation:

Do you really need this part? I didn't do it because it would take forever LOL

7 0
3 years ago
Use this picture to answer the questions below.
Alborosie
What- what are the questions
8 0
3 years ago
Can someone help me I tried many ways but got a different answer
Likurg_2 [28]

Answer:

v = 21

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

<u>Algebra I</u>

  • Terms/Coefficients/Degrees

<u>Geometry</u>

  • All angles in a triangle add up to 180°

Step-by-step explanation:

<u>Step 1: Set Up Equation</u>

2v + 3v + 75 = 180

<u>Step 2: Solve for </u><em><u>v</u></em>

  1. Combine like terms:                    5v + 75 = 180
  2. Isolate <em>v</em> term:                              5v = 105
  3. Isolate <em>v</em>:                                       v = 21
6 0
3 years ago
Read 2 more answers
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