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Vinvika [58]
3 years ago
6

11. What is the Z-score of x = 12, if it is two standard deviations to the right of the mean?

Mathematics
1 answer:
mina [271]3 years ago
6 0

Answer: 567

Step-by-step explanation: Lol just kiddingggghhhh

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A rectangular plot of ground is 30 meters longer than it is wide. its area is 10,000 square meters.
dimulka [17.4K]
A = W· L
10,000 = W ( W +30 ) = W² + 30 W
W² + 30 W - 10,000 = 0
W = \frac{-30+ \sqrt{900+40000} }{2}=  \frac{-30+202.24}{2} = 86.12
L = 86.12 + 30 = 116.12
Width of a plot is 86.12 m and lenght is 116.12 m.
Check : A = 116.12 · 86.12 ≈ 10,000
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3 years ago
18.79+2.11+(-1.92)+17.28
stellarik [79]

Answer:

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Step-by-step explanation:

Hope this helps. Plz give brainliest.

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James gave Robert half a candy bar. Robert gave his sister half of what he had. What fraction of the whole candy bar did Robert
Evgesh-ka [11]

Answer:

1/4

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Step-by-step explanation:

Robert has 1/2 of the candy bar

If he gave his sister half, she has 1/2 x 1/2 = 1/4 of the candy bar

To convert 1/4 to percentage, multiply by 100

1/4 x 100 = 25%

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3 years ago
Help please and ty ! (no its not 388)
jeka94
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