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ch4aika [34]
2 years ago
5

Simplify the expresion -2(-6x-9)-4(x+9)

Mathematics
2 answers:
Nezavi [6.7K]2 years ago
3 0

Step-by-step explanation:

=  - 2( - 6x - 9) - 4(x  + 9)

= 12 x+ 18 - 4x - 36

= 12x - 4x + 18 - 36

= 8x - 18...

jeyben [28]2 years ago
3 0

Answer: 8x - 18

Step-by-step explanation:

-2(-6x - 9) = 12x + 18

-4(x + 9) = -4x - 36

(12x - 4x) + (18 - 36)

8x - 18

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In one day, the stock price for Zell Computers rose from $50 to $57 per share. By what percent did this stock price rise?
netineya [11]

The stock price rose by 14%

Percentage is the fraction of a sum expressed as a number out of hundred.

Percentage price increase = (change in price / initial price) x 100

In order to determine the answer, the following information is needed :

  • Change in stock price:

New price - Initial price

$57 - $50 = $7

  • Initial price = $50

Percentage increase in stock price : ($7 / $50) x 100 = 14%

In order to determine the percentage increase in the stock price, express the increase in price as a fraction of the initial price and multiply by 100

To learn more about percentages, please check: brainly.com/question/92258?referrer=searchResults

4 0
3 years ago
List the first 5 multiples.<br><br> 4:<br> 7:<br> 9:<br> 12:
velikii [3]
4: 4, 8, 12, 16, 20
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9: 9, 18, 27, 36, 45
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4 0
3 years ago
If 5x+15y=45 then 6x-18y=?
vovangra [49]
So we have 5x+15y=45
simplify and undistribute 5 from both sides
5(x+3y)=5(9)
divide both sides by 5
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multiply both sides by 6
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if it was 6x+18y then the answer is 54
if it was 6x-18y, then I don't know the answer
4 0
3 years ago
Carmen paid $10.50 for a T-shirt at the mall. It was on sale for 30% off. What was the original price before the discount? *
GREYUIT [131]

Answer:

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Step-by-step explanation:

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100%-> 15

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3 years ago
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adelina 88 [10]
The answer is y=-2x+11

5 0
4 years ago
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