3 years ago

3m² – 6m² - 7m +14

Mathematics

1 answer:

Reptile [31]3 years ago

7 0

-3m^2 - 7m + 14. Hope it helps!

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Only the first choice is correct.
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3 years ago

Angles of a polygon <br><br>thanks

tino4ka555 [31]

Answer:

900 degrees

Step-by-step explanation:

Use the formula for interior angles

Sum = (n - 2) x 180

Sum = (7 - 2) x 180

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Step-by-step explanation:

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Lee is thinking of two Numbers,the product is 18. the quotient is 2

defon

X, y - the numbers

The product is 18.
$xy=18$

The quotient is 2.
$\frac{x}{y}=2 \ \ \ |\times y \\
x=2y$

Substitute 2y for x in the 1st equation:
$2y \times y=18 \\
2y^2=18 \ \ \ |\div 2 \\
y^2=9 \\
y=\pm \sqrt{9} \\
y=3 \ \lor \ y=-3 \\ \\
x=2y \\
x=2 \times 3 \ \lor \ x=2 \times (-3) \\
x=6 \ \lor \ x=-6 \\ \\
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The numbers are 6 and 3 or -6 and -3.

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</span>

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3m² – 6m² - 7m +14​

3m² – 6m² - 7m +14