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3 years ago

14

I need the answer plzz and the right one

1 answer:

Murljashka [212]3 years ago

5 0

Answer:

Number 3

Step-by-step explanation:

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(Algebra 1 ~ High School)

Ivan

Step 2 I believe. You are supposed to find the absolute value before adding

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4 years ago

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What is the value of the discriminant of the quadratic equation −1 = 5x2 −2x, and what does its value mean about the number of r

Zepler [3.9K]

For the equation:
-1=5 x^2 - 2 x
5 x^2 - 2 x + 1 = 0, then we substitute: a=5, b=-2, c =1
to discriminant formula: D= b^2 - 4 a c = (-2)^2 - 4 * 5 * 1 = 4 - 20 = - 16
Answer:
The discriminant is equal to -16 which means the equation has no real number solutions.

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3 years ago

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Another ez 10 pnts :D

horsena [70]

Answer:

$\frac{6}{5}$

Step-by-step explanation:

1.Turn the 9 into a fraction

$\frac{2}{15} *\frac{9}{1}$

2.factor the bigger numbers.

$\frac{2}{3*5} *\frac{3*3}{1}$

3.Cancel out the common factor(3)

$\frac{2}{5} * \frac{3}{1}$

4.multiply across

$\frac{2}{5} *\frac{3}{1} =\frac{6}{5}$

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3 years ago

Eleanor placed some marbles in a bag for an experiment. She reaches into the bag and grabs a marble. Eleanor writes down the col

rodikova [14]

Answer:

Hi I have this same question but I'm torn between certain and very likely it is on of those options.

Step-by-step explanation:

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3 years ago

Delta math help plz im stuck

JulsSmile [24]

Step-by-step explanation:

-70x^4 + 30x

= 10x(-7x^3 + 3)

ANSWER: 10x(-7x^3 + 3)

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3 years ago