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vredina [299]
3 years ago
5

Evaluate x2 + 3x ; x = -3

Mathematics
1 answer:
stepladder [879]3 years ago
5 0
The answer would be -15
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You can transform 4x + 12=9x - 3 again into a simpler form by subtracting 4X from both sides to get 12=5x - 3. If you substitute
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Answer:

Yes. It is true.

Step-by-step explanation:

12= 5(3) -3

12=15-3

12=12 therefore, it is true

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Emily completely fills a container with 6 cubes. Each cube has an edge length of
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2 years ago
Earth travels about 10^9 kilometers in its year-long orbit around the sun. About how far does it travel in 100 years?
VladimirAG [237]

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4 0
3 years ago
you have 12 cards. one out of every 4 cards is faceup. the rest are facedown. how many cards are faceup
umka2103 [35]
3 cards 

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7 0
3 years ago
A librarian has a set of ten different books, including four different books about Abraham Lincoln. The librarian wants to put t
Darya [45]

Answer:

120960

Step-by-step explanation:

Given that a  librarian has a set of ten different books, including four different books about Abraham Lincoln.

The librarian wants to put the ten books on a shelf with the four Lincoln books next to each other, somewhere on the shelf among the other six different books.

First arrnage the 6 other books in the shelf.  

This can be done in                                        6! ways

Now arrange the 4 books of Lincoln      

This can be done in                                        4! ways

Now we have 7 places to insert Lincoln books including two corners and in between.

Thus this can be done in 7 ways

Total no of ways = 6!(4!)(7) = 120960

3 0
3 years ago
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