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vladimir2022 [97]
2 years ago
5

Can someone help please?

Mathematics
2 answers:
tangare [24]2 years ago
7 0

Answer:

s=26

Step-by-step explanation:

anzhelika [568]2 years ago
7 0

Answer:

26

Step-by-step explanation:

hope it helps

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On a 1616 scale drawing of a bike, one part is 3 inches long. How long will the actual bike part be?
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3 years ago
The pregnancy length in days for a population of new mothers can be approximated by a normal distribution with a mean of 269 day
fenix001 [56]

Answer:

a) 279 b)254

Step-by-step explanation:

Mean = 269 days

standard deviation = 8 days

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using normal distribution formula

z = (n – mean)/ standard deviation

n = z * standard deviation + mean

Now, z values for the top 12% has to be found using a z table.

The top 12% means 88% of area under the curve. In this case z = 1,176

n = 1,176 * 8 + 269

n = 278.4 = 279

The bottom 3% means 97% of area under the curve. In this case z = -1,882

n = -1,882 * 8 + 269

n = 253.94 = 254

6 0
3 years ago
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sveticcg [70]
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3 years ago
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What is the standard form of this equation of a circle?
Olenka [21]
<span>x² + y² + 14x − 4y − 28 = 0

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</span>(x+7)² + (y-2)²=28+49+4

(x+7)² + (y-2)² =81 is the answer.
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2 years ago
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