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elena-14-01-66 [18.8K]
3 years ago
8

What is the circmference and ared of a circiewith a radius of 4 meters? round you answer to the nearest tenth

Mathematics
1 answer:
Rudik [331]3 years ago
7 0
Area: 50.3

Circumference: 25.1
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Simplify the expression 4u/ 25u
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A set of wrist watch prices are normally distributed with a mean of 767676 dollars and a standard deviation of 101010 dollars. W
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Answer:

0.8224

Step-by-step explanation:

Data

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  • standard deviation, sd: $10
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  • second value of interest, x2: $90

z-score for x1:

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z-score for x2:

z2 = (x2 - mean)/sd = (90 - 76)/10 =  1.4

The  proportion of wrist watch prices are between $63 and $90 is:

P(z1 < z < z2) = P(z < 1.4) - P(z < -1.3)

P(z < 1.4) = 0.9192 (see first picture attached)

P(z < -1.3) = 0.0968 (see second picture attached)

P(z1 < z < z2) = 0.9192 - 0.0968 = 0.8224

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What is the base 2 representation of 129?
Diano4ka-milaya [45]

Answer:

either 81 or 81.8

Step-by-step explanation:

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