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lions [1.4K]
3 years ago
13

The product of five rational numbers is positive. At most, of these rational numbers can be negative

Mathematics
1 answer:
Ivanshal [37]3 years ago
5 0

Answer: A. 1

Step-by-step explanation:

sorry if im wrong

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Factor completely 2x3 + x2 - 18x - 9
melisa1 [442]
Factor the following:
2 x^3 + x^2 - 18 x - 9

Factor terms by grouping. 2 x^3 + x^2 - 18 x - 9 = (2 x^3 + x^2) + (-18 x - 9) = x^2 (2 x + 1) - 9 (2 x + 1):
x^2 (2 x + 1) - 9 (2 x + 1)

Factor 2 x + 1 from x^2 (2 x + 1) - 9 (2 x + 1):
(2 x + 1) (x^2 - 9)

x^2 - 9 = x^2 - 3^2:
(2 x + 1) (x^2 - 3^2)

Factor the difference of two squares. x^2 - 3^2 = (x - 3) (x + 3):

Answer:  (x - 3) (x + 3) (2 x + 1) thus the Answer is C.
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3 years ago
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3 years ago
What is -0.18 as a fraction in simplest form.
Radda [10]
The answer is, 9/50
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In conclusion the answer is 9/50.
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Step-by-step explanation:

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