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Margaret [11]
3 years ago
9

What is the length of the hypotenuse?

Mathematics
1 answer:
ch4aika [34]3 years ago
7 0

Answer:

Step-by-step explanation:

pythagoras theorem

a^2+b^2=c^2

9^2+12^2=c^2

81+144=c^2

\sqrt{225=c

15=c

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Which expression is equivalent to this polynomial expression?<br> (2x^5 + 3y^4)(-4x^2 + 9y^4)
SOVA2 [1]

Answer:

A. -8x⁷ + 18x⁵y⁵ - 12x²y⁴ + 27y⁸

Step-by-step explanation:

Given:

(2x⁵ + 3y⁴)(-4x² + 9y⁴)

Required:

Find an equivalent polynomial

Solution:

(2x⁵ + 3y⁴)(-4x² + 9y⁴)

Using distributive property of multiplication

2x⁵(-4x² + 9y⁴) + 3y⁴(-4x² + 9y⁴)

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There are no like terms to add or combine, therefore:

(2x⁵ + 3y⁴)(-4x² + 9y⁴) = -8x⁷ + 18x⁵y⁵ - 12x²y⁴ + 27y⁸

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<h3>What is Interstate commerce?</h3>

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