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lions [1.4K]
3 years ago
10

HELP ME FOR BRAINLIEST !!!!!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
Anastaziya [24]3 years ago
4 0

Answer:

i got a

Step-by-step explanation:

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jonny [76]

Answer:

30 seconds

Step-by-step explanation:

You add seconds at the end.

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2 years ago
What is 970+12% of the amount over 9,700
kherson [118]

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2 years ago
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boyakko [2]

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3 years ago
Use the discriminant to find the number of real solutions of the equation 3x^2 – 5x + 4 = 0
Virty [35]
To use the discriminant, first identify a, b, and c. In your equation a= 3 b = -5 and c = 4. Now plug into the discriminant b^2 - 4ac. Substituting yields (-5)^2 - 4(3)(4). Simplifying, 25 - 48 = -23. Since the discriminant has a negative value, there is no real solution to this equation.
4 0
2 years ago
Read 2 more answers
Give two systems of equations that would be easier to solve by substitution than by elimination. Then give two systems that woul
Daniel [21]
These techniques for elimination are preferred for 3rd order systems and higher. They use "Row-Reduction" techniques/pivoting and many subtle math tricks to reduce a matrix to either a solvable form or perhaps provide an inverse of a matrix (A-1)of linear equation AX=b. Solving systems of linear equations (n>2) by elimination is a topic unto itself and is the preferred method. As the system of equations increases, the "condition" of a matrix becomes extremely important. Some of this may sound completely alien to you. Don't worry about these topics until Linear Algebra when systems of linear equations (Rank 'n') become larger than 2.
5 0
2 years ago
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