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victus00 [196]
3 years ago
14

I need to get rid of the parenthesis and match like terms of -5(2x-3y)+2(x+2y)

Mathematics
2 answers:
irga5000 [103]3 years ago
5 0

Answer:

-8x + 19y

Step-by-step explanation:

distribute the -5

-10x + 15y + 2(x + 2y)

distribute the 2

-10x +15y + 2x + 4y

arange  the terms

-10x + 2x + 15y + 4y

combine

-8x + 19y

kakasveta [241]3 years ago
4 0

Answer:

-8x+19y

Step-by-step explanation:

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A survey reported that 5% of Americans are afraid of being alone in a house at night. If a random sample of 20 Americans is sele
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5.96% probability that exactly 3 people in the sample are afraid of being alone at night.

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Binomial probability distribution

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P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

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And p is the probability of X happening.

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