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2 years ago

H(4 1/2, -3 1/4) x (3 3/4, -1 3/4) what the midpoint of hx

Mathematics

1 answer:

shtirl [24]2 years ago

6 0

Answer:

(3 7/8, 2 3/4)

Step-by-step explanation:

To find the midpoint, the formula is (x1-x2)/2 and (y1-y2)/2. So, in this case, our x1 is 4 1/2 and our x2 is -3 1/4. Subtract x2 from x1 and you will get 7 3/4. Then, divide by 2 to get 3 7/8. This is our x-coordinate.

Our y1 is 3 3/4 and our y2 is -1 3/4. Subtract y2 from y1 to get 5 1/2. Then divide by two to get 2 3/4. This is our y-coordinate.

Now we have our x and y coordinates.

(3 7/8, 2 3/4)

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A quality control inspector has drawn a sample of 19 light bulbs from a recent production lot. If the number of defective bulbs

Inessa05 [86]

Answer:

0.0016283

Step-by-step explanation:

Given that:

Proportion of defective bulbs, p = 30% = 0.3

Sample size, n = 19 bulbs

Probability that the lot will pass inspection :

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P(none of the 19 is defective) = (1 - p) ^n = (1 - 0.3)^19 ; 0.7^19

0.7^19 = 0.0011398

P(only one of the 19 is defective) :

P(1 defective) * P(18 not defective )

(0.3) * (1 - 0.3)^18

0.3 * 0.7^18

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Hence,

P(none of the 19 is defective) + P(only one of the 19 is defective)

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3 years ago

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Elena-2011 [213]

Answer:

Step-by-step explanation:

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2 years ago

Help me please, I don't really get this at all.

Varvara68 [4.7K]

Answer:

Step-by-step explanation:

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2/11 = 16/m

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3 years ago

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2 years ago

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Answer:

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