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Alexxx [7]
3 years ago
11

Need help! The product of the polynomials (2ab + b) and (a2 – b2) is 2a3b-2ab3+a2b-b3 . If this product is multiplied by (2a + b

), the result is a polynomial with terms.
Mathematics
1 answer:
ella [17]3 years ago
6 0
The result is polynomial:
=4a^{4}b - 4 a^{2} b^{3} + 2 a ^{3} b - 2ab^{3}  + 2 a ^{3}b^{2} - 2 ab^{4} + a ^{2}  b^{2} -b^{4}
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A right triangle has a base that measure 39 inches and a height that measures 80 inches. What is the length of its hypotenuse?
guajiro [1.7K]
The Pythagorean Theorum formula is a(squared) + b(squared)= c(squared). If you plug in the numbers, the equation is 39(squared) + 80(squared)= c(squared). That simplifies to 1521+6400=c(squared). Adding results in 7921=c(squared). Finally, when you take the square root of both sides, you are left with 89=c (aka the hypotenuse)
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3 years ago
Which expression is equivalent to 5.4+3.4w-1.8w +5.8 A) 7(1.6+w) B) 1.6(7+w) C) 1.6(7w) D) 1.6(0.25+w)
Bad White [126]
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3 years ago
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algol13

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Step-by-step explanation:

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2 years ago
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fgiga [73]

9514 1404 393

Answer:

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Step-by-step explanation:

The equation of a circle with center (h, k) and radius r is ...

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You have (h, k) = (2, -4) and r = 4, so your equation is ...

  (x -2)^2 +(y -(-4))^2 = 4^2

  (x -2)^2 +(y +4)^2 = 16

6 0
2 years ago
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