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dezoksy [38]
4 years ago
15

Need help with 7-11 please

Mathematics
2 answers:
Mice21 [21]4 years ago
7 0
-4. take 11-7 and then make it negative.
Delvig [45]4 years ago
4 0
7) Answer A because 9/10 + 5/6 can be 27/30 + 25/30 = 52/30 = 1 11/15
Hope it helps, sry i cant do the rest :(

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OlgaM077 [116]

Answer:

The distinct factors of 75 are 1, 3, 5, 15, 25, 75.

Step-by-step explanation:

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Which polynomial function has a leading coefficient of 1 and roots (7 i) and (5 – i) with multiplicity 1? f(x) = (x 7)(x – i)(x
Nuetrik [128]

It looks like you might have intended to say the roots are 7 + i and 5 - i, judging by the extra space between 7 and i.

The simplest polynomial with these characteristics would be

f(x) = (x - (7 + i)) (x - (5 - i))

but seeing as each of the options appears to be a quartic polynomial, I suspect f(x) is also supposed to have only real coefficients. In that case, we need to pair up any complex root with its conjugate to "complete" f(x). We end up with

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which appears to most closely resemble the third option. Upon expanding, we see f(x) does indeed have real coefficients:

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2 years ago
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mart [117]

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Step-by-step explanation:

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