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Vesna [10]
3 years ago
10

Simplify the following expression -5[(x^3+1)(x+4)]

Mathematics
1 answer:
katrin [286]3 years ago
4 0

Answer:

B

Step-by-step explanation:

-5[ (x³+1)(x+4) ] = -5[ x³*(x+4) + 1*(x+4) ]

      = -5 [ x³*x + x³*4 + 1*x + 1*4 ]

      = -5 [ x⁴ + 4x³ + x + 4]

      = -5*x⁴ + (-5)*4x³ + (-5)*x + (-5) * 4

      = -5x⁴ - 20x³ - 5x - 20

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vampirchik [111]

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29.There is 1 Pentagon so the probability is 1/6.

30. This is a complement to question 28. A complement is the inverse of the problem. A complement and its original add to 1 so the probability of both getting a triangle is 1/2.

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Mama L [17]

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8 0
2 years ago
If sin square theta = 0.75, then cos =
sergeinik [125]

Answer:

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Step-by-step explanation:

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Using trigonometric relations for sums and differences of squares of the ratios.

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Subtracting both sides by 0.75.

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Taking square root both sides.

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3 years ago
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Alborosie

Answer:

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