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Elden [556K]
3 years ago
15

Subtract -5x^2+7x+1 from 8x^2+x-10I will give brainleist

Mathematics
1 answer:
marta [7]3 years ago
8 0

Answer:

3x² + 8x - 9

Step-by-step explanation:

8x² - 5x² +x+7x-10+1

=3x² + 8x - 9

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a major arranges his soliders in rows to form a perfect square 40 soliders are left out if the total no. of soliders are 6281, f
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Answer:

79 soldiers

Step-by-step explanation:

Since 40 soldiers were not included in the square, the square consists of 6241 soldiers.  6241 represents the area of the square, and the rows (r) represents a side of the square.   Since the area of a square = the length of the side squared, then 6241 = r^{2}.  

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3 years ago
List the first three terms of this sequence: an = 3 • 5n – 1
Nataly [62]

Answer:

1st term = 14

2nd term = 29

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Step-by-step explanation:

1st term = 3 x (5 x 1) - 1

             = 3 x 5 - 1

             = 15 - 1 =  14

2nd term = 3 x (5 x 2) - 1

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5 0
3 years ago
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