3 years ago

Please help me!!!!!!! It's very important!!!!

Mathematics

1 answer:

qwelly [4]3 years ago

6 0

You could just use 3.14 or 22/7

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Find a degree 3 polynomial having zeros -5, 1 and 5 and the coefficient of x^3 equal 1

mote1985 [20]

Answer:

$x^3 -x^2 -25x +25$

Step-by-step explanation:

$\text{The roots are,}~ \alpha = -5,~ \beta = 1 ~ \text{and}~ \gamma = 5\\\\\text{The polynomial is,}\\\\~~~x^3 - (\alpha + \beta + \gamma)x^2+(\alpha \beta + \beta \gamma+ \gamma \alpha)x - \alpha\beta \gamma\\\\=x^3 - (-5+1+5)x^2 +(-5 \cdot 1 + 1 \cdot 5 + 5 \cdot -5)x - (-5)(1)(5)\\\\=x^3 -(0+1)x^2 + (-5+5-25)x +25\\\\=x^3 -x^2 -25x +25$

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2 years ago

Which of the following statements says that a number is between -3 and 3?

Shalnov [3]

So, if the <span>number is between -3 and 3, It couldn't be more than 3, so C isn't the answer. It also doesn't have to be equal to 3.

B, </span><span>|x| < 3, would be your answer.
Hope this helps!</span>

4 0

3 years ago

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What fractions are equivalent to 6/15

Gala2k [10]

One fraction is 2/5.
another one is 12/30.
HOPE I HELPED!!!

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3 years ago

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Austin is going to the movie theater. It is 3 and3/5 miles from his house. Austin Takes his scooter, but it breaks down 2/3 of t

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2 and 14/15
Because the first step of subtraction is common denominators