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Ann [662]
2 years ago
6

PLEASE HELP!!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
Mnenie [13.5K]2 years ago
7 0
A: 9
B: 5
C: 7


Codification biggest ig fh fh u I ygrrhji so so do to to do fh
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Ernesto solves the equation below by first squaring both sides of the equation. \sqrt{\dfrac{1}{2}w+8}=-2 2 1 ​ w+8 ​ =−2square
algol [13]

Answer:

<h2>w = -8</h2>

Step-by-step explanation:

Given the equation solved by Ernesto expressed as \sqrt{\dfrac{1}{2}w+8}=-2, the extraneous solution obtained by Ernesto is shown below;

\sqrt{\dfrac{1}{2}w+8}=-2\\\\square\ both \ sides \ of \ the \ equation\\(\sqrt{\dfrac{1}{2}w+8})^2=(-2)^2\\\\\dfrac{1}{2}w+8 = 4\\\\Subtract \ 8 \ from \ both \ sides\\\\\dfrac{1}{2}w+8 - 8= 4- 8\\\\\dfrac{1}{2}w= -4\\\\multiply \ both \ sides \ by \ 2\\\\\dfrac{1}{2}w*2= -4*2\\\\w = -8

Hence, the extraneous solution that Ernesto obtained is w = -8

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3 years ago
PLEASE HELP ME I HATE MATH.
dsp73

Answer:

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Step-by-step explanation:

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B&gt;13/9 interval notation
BartSMP [9]
Interval Notation of b > 13/9 is [13/9, infinity)
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A 5-pack of baseball caps costs $5.18. What is the unit price?
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