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Mila [183]
3 years ago
14

How do you solve x-8= -(12/x)

Mathematics
1 answer:
blagie [28]3 years ago
3 0
x\not=0\\
x-8= -\frac{12}{x}|\cdot x\\
x^2-8x=-12\\
x^2-8x+12=0\\
x^2-6x-2x+12=0\\
x(x-6)-2(x-6)=0\\
(x-2)(x-6)=0\\
x=2 \vee x=6

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An investor has an account with stock from two different companies. Last year, her stock in Company A was worth $6750 and her st
pantera1 [17]

Answer:

3.5%

Step-by-step explanation:

1. calculate starting total

6750 + 4210=10960

starting amount = $10,960

2. calculate stock    A2's value

  • decreased by 18%

to make the percentage usable in this equation we need to divide it by 100 to get it in decimal form. ⇒ \frac{18}{100} = 0.18

  • multiply stock A1 by perctage decimal to get the amount decreased

6750(0.18)=1215 ($1,215)

  • subtract stock A1 by decreased amount to get stock A2's value

6750-1215=5535

A2 = $5,535

3. calculate stock    B2's value

  • increased by 20%

to make the percentage usable in this equation we need to divide it by 100 to get it in decimal form. ⇒ \frac{20}{100} = 0.20

  • multiply stock B1 by perctage decimal to get the amount increased

4210(0.20)=842 ($842)

  • add stock B1 with increased amount to get stock B2's value

4210+842=5052

B2 = $5,052

4. get new amount of account

5052+5535=10587

new amount = $10,587

5. find percentage decrease of starting amount to new amount

  • divide starting amount by the new amount

\frac{10960}{10587} = 1.03523188816

  • then subtract by 1

1.03523188816-1 =0.03523188816

  • multiply by 100 to convert to percentage form

0.03523188816(100) =3.523188816

  • and round to <u>nearest tenth</u>

answer is ≈ 3.5%

::: (\_(\ Hope

*: (=' :') this

•.. (,('')('') helped :)

4 0
2 years ago
What is 3/4 divided 5/16 in its simplest form?
muminat

Step-by-step explanation:

3/4÷5/16

3/4×16/5

=12/5(2 2/5)

3 0
3 years ago
What is 39.5% written as a fraction in simplest forma?
ivann1987 [24]
First covert 39.5% to a decimal to get 0.395.
0.395 written as a fraction is \frac{395}{1000}
Simplify \frac{395}{1000} to get \frac{79}{200}
6 0
4 years ago
A running track is1/3 of a kilometre. What is the total distance a runner travels if he goes four times around track
Zarrin [17]
Since the track is 1/3 kilometre all you have to do is multiply 1/3 x 4!

When you do that you get that the runner would travel 4/3 kilometre or 1 & 1/3 kilometre of the track.
3 0
3 years ago
What is the value of x?<br> 16<br> 34
lord [1]

Answer:30

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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