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Montano1993 [528]
3 years ago
12

Factor the polynomial below. x2 + 6x + 9

Mathematics
2 answers:
Citrus2011 [14]3 years ago
8 0

Answer:

(x-3) is the factor of polynomial x2 + 6x + 9

and it's zero is -3

Step-by-step explanation:

by solving it we get ;

=

x {}^{2}  + 6x + 9

=

x {}^{2}  + 3x + 3x + 9

=

x(x + 3) + 3(x + 3)

=

(x + 3) {}^{2}

now, equating it with 0, we get

=

(x + 3) {}^{2}  = 0

=

x + 3 = 0

=

x =  - 3

so, the factor is ( x + 3 )

AnnZ [28]3 years ago
3 0

Answer:

Step-by-step explanation:

x²+6x+9=(x+3)²

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professor190 [17]

Answer:

(A) 120 mph

(B) -120 mph

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Step-by-step explanation:

Given that,

New York and California are 2900 miles apart,

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Assuming that the path between the starting point in New York and the ending point in California is straight, so the given distance of 2900 miles is actually the shortest distance which is the displacement between the source and destination.

So, the given speed on the straight path is actually the velocity.

Assuming that the velocity is positive in the direction from New York towards California.

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(B) The velocity of train B (towards New York) = -120 mph.

(C) Bothy are moving towards each other, so the relative velocity between them is 120+120=240 mph, and the initial distance between them is 2900 miles.

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7 0
3 years ago
There are 1,000 grams in 1 kilogram. Nate is mailing a package that has a mass of 8,000 grams.
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