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lions [1.4K]
3 years ago
14

Hi can you please solve these problems for me? I'll give you all 5 stars :T

Mathematics
1 answer:
Sunny_sXe [5.5K]3 years ago
3 0

Answer:

number 1. answer 3x+6

number 2. answer 2r-8

number 3. answer 4y+8

number 4. answer 24-6x

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A batch of 20 semiconductor chips is inspected by choosing a sample of 3 chips. Assume 10 of the chips do not conform to custome
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Answer:

A batch of 20 semiconductor chips is inspected by choosing a sample of 3 chips. Assume 10 of the chips do not conform to customer requirements.

a) Number of different samples = 20C3 =  \frac{20!}{3!(17!)} =1140

b) 2 good and one bad chip

Number of samples = 10C2 * 10C1 = 45 * 10 =450

c) 2 good 1 bad + 1 good 2 bad + 3 bad

Number of samples = 10C2 * 10C1 + 10C1 * 10C2 + 10C3

= 450+450+120=1020

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Find the sum of (-4 + 1) and (10 – 5:).
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Answer:

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-4 + i = 10 - 5i

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