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zloy xaker [14]

3 years ago

8

=2x^2 − 8 + 6 what is the vertex

1 answer:

Marta_Voda [28]3 years ago

6 0

Answer:

(0,-2)

Step-by-step explanation:

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Ln a+3 + ln a-3 = ln 16

Lilit [14]

$\bf log_{{ a}}(xy)\implies log_{{ a}}(x)+log_{{ a}}(y)\\\\
and\qquad \textit{difference of squares}
\\ \quad \\
(a-b)(a+b) = a^2-b^2\qquad \qquad 
a^2-b^2 = (a-b)(a+b)\\\\
-----------------------------\\\\
ln(a+3)+ln(a-3)=ln(16)\implies ln[(a+3)(a-3)]=ln(16)
\\\\\\
ln[a^2-3^2]=ln(16)\impliedby \textit{removing ln() from both sides}
\\\\\\
a^2-9=16\implies a^2=16+9\implies a^2=25
\\\\\\
a=\pm\sqrt{25}\implies a=\pm 5$

7 0

3 years ago

what would be the answer. katlyn made 4 dresses with 7 yards of fabric. how many yards did she use on 1 dress

Kay [80]

1.75 yards .its simple you just have to see how much youll have to multiply by 4 to get 7

7 0

3 years ago

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What is meter to millimeters equal

oksano4ka [1.4K]

1 meter = 1000 millimeters

5 0

3 years ago

Vivi is 40 floors from the top of her building. If she starts at the bottom and runs up 5 floors every 20 seconds, how far is sh

Murrr4er [49]

Answer:

17 floors

Step-by-step explanation:

1 floor every 4 seconds.

90/4 = 22.5

40 - 22.5 = 17.5

17.5 is 17ish floors, and is the only answer that is close to 17 floors.

8 0

3 years ago

PLEASE HELP THIS IS FOR MY DANCE CLASS

Cerrena [4.2K]

Answer:

The pythogarean theorem,

Step-by-step explanation:

I dunno jumping jacks lol

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3 years ago

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