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Slav-nsk [51]
3 years ago
7

Which polynomial, when added to the polynomial 5x^2-3x-9 is equivalent to: 18

Mathematics
1 answer:
Citrus2011 [14]3 years ago
4 0

Answer:

- 5x² + 3x + 27

Step-by-step explanation:

To find the polynomial subtract 5x² - 3x - 9 from 18, that is

18 - (5x² - 3x - 9) ← distribute parenthesis by - 1

= 18 - 5x² + 3x + 9

= - 5x² + 3x + 27 ← required polynomial

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3 years ago
What is equation of a line that is parallel to y = -6x – 1 and passes through the point (1,4)
Akimi4 [234]

Answer:

y = -6x + 10

Step-by-step explanation:

Parallel lines share the same slope.  Given y = -6x – 1, we know that the equation of this new line has the form y = -6x – C.  The coordinates of the point (1, 4) determine the value of C:

(4) = -6(1) – C, or:

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Then C = -10, and the desired equation is

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5 0
2 years ago
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frosja888 [35]

Answer:

I am deeply sorry for the late answer

but the answer is The answer is

r ≈ 6

Step-by-step explanation:

The answer is r ≈ 6


A ≈ 113.04 cubic in.  

this means that  

d ≈ 12

and

C ≈ 37.69

Therefore

r ≈ 6

Hope this helped.

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3 years ago
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