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Zielflug [23.3K]
3 years ago
10

What is c in the equation 2x2-3x-4=5

Mathematics
1 answer:
djverab [1.8K]3 years ago
3 0

Answer:

um well if C would be the X then

Step-by-step explanation: 2 times 2 is four now you have to figure out which number minus 4 is 5 which would be nine then you go back to the 3x part and the only way to get nine from a 4-3 is it would have to be a negetive so then you see that 2 plus seven is 9 or 2- (-7) is 9 so you find three times -7 =-2.33333333

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Approximately 68% of films are rated R. If 720 films were recently rated, how many were rated R?
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Answer:

Approximately 490 films were rated R.

Step-by-step explanation:

Total films recently rated is 720. About 68% of the films were rated R. Thus, 68% of 720 is calculated below.

68\% \: of \: 720 \: films

=  \frac{68}{100}  \times 720

= 0.68 \times 720

= 489.6

= 490 \: films \: (approximated)

Therefore, if 720 films were recently rated, 68% of films rated R is about 490 films.

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denpristay [2]

Answer:

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