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kicyunya [14]
3 years ago
11

Three less than twice the sum of a number,x, and seven is four

Mathematics
2 answers:
Lina20 [59]3 years ago
4 0

Answer:

The answer is 3

Hope this helps

Step-by-step explanation:

Salsk061 [2.6K]3 years ago
3 0

Answer:

The second one

Step-by-step explanation:

3 less than means we subtract 3 from the number.

Twice the sum of x and 7 is 2(x + 7)

Put them together and get 2(x + 7) - 3 = 4

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A pharmaceutical company receives large shipments of aspirin tablets. The acceptance sampling plan is to randomly select and tes
Anvisha [2.4K]

Answer:

Probability will be 0.5779

Step-by-step explanation:

Number of tablets n = 19

Probability of defect rems that is p = 0.03

Here number of trials is fixed and probability of success = 0.03

Here p = 0.03

So q = 1 - p = 1 -0.03 = 0.97

By using binomial distribution

Probability is given by ^nC_rp^rq^{n-r}

So P(0 or 1) = ^{19}C_0{0.03}^0{0.97}^{19-0}+^{19}C_1{0.03}^1{0.97}^{19-1}=0.5606+0.0173=0.5779

4 0
3 years ago
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mart [117]
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(25)2×100÷23+[24÷(13−5)]
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Answer:

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Step-by-step explanation:

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