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Ainat [17]
3 years ago
10

Need help I dont understand hep please

Mathematics
1 answer:
Travka [436]3 years ago
5 0
The formulas
are on the picture

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-2x - 10 =15 help me plzzzz
Dima020 [189]

Answer:

x = -12.5

Step-by-step explanation:

Solve :  -2x - 10 =15

-2x - 10 = 15

-2x = 15 + 10

-2x = 25

x = -25/2

x = -12.5

6 0
3 years ago
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in a sale normal prices are reduced by 15%. the sale price of a CD player is $102. work out the normal price of the CD player.
morpeh [17]
.85x=102
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PLEASE HELP ASAP 25 PTS + BRAINLIEST TO RIGHT/BEST ANSWER
Dahasolnce [82]

Factor by using the rational roots test, and find that -2 is a root.

Replace X with -2 and simplify each term.

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The final answer becomes x = -2 and x = -1/2 +/-√3/2i

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3 years ago
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Kruka [31]

Answer:

mean

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mean .

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