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ZanzabumX [31]
3 years ago
15

HELP I NEED HELP ASAP

Mathematics
1 answer:
Leviafan [203]3 years ago
7 0

Answer:

A

Step-by-step explanation:

Photomath, lol

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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

4 0
4 years ago
Harry and Lisa Perry have agreed to pay for their granddaughter’s college education and need to know how much to set aside so an
Jobisdone [24]

Answer:

  $117,836.49

Step-by-step explanation:

We can't make heads or tails of your table, so we have used a financial calculator to determine the multiplier is about 4.713. The calculator maintains more significant digits than that, so gives the value to the penny as ...

  $117.836.49

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This value is about 4.71345951 × $25,000.

7 0
4 years ago
Can you please help me with this question
andrew-mc [135]
I hope I read it right, it's a bit blurry. The answer is C. 6/11. Hope it helps!
7 0
3 years ago
Read 2 more answers
At the movie theatre, child admission is $5.40 and adult admission is $9.20 . on thursday, twice as many adult tickets as child
Scorpion4ik [409]
33 child tickets were sold that day.

adult tickets = a
child tickets = c

9.2a + 5.4c = 785.4
a = 2c

Substitute a into the first equation
9.2(2c) + 5.4c = 785.4
Simplify
18.4c + 5.4c = 785.4
Combine like terms by adding
23.8c = 785.4
Divide both sides by 23.8 to isolate the variable c
c = 33
8 0
3 years ago
If the equation y = 1 3 x + 2 is changed to y = 3x + 2, what will be true about the graph of the equation? A) The graph will shi
MrRa [10]

Answer:

D.

Step-by-step explanation:

The number which multiplies x  is the slope of the graph so 13x becoming  3x means the slope of the graph will change.

4 0
4 years ago
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