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Klio2033 [76]
2 years ago
14

Help meeeeeeeeeeeeeeee 1/2=2m m=

Mathematics
1 answer:
musickatia [10]2 years ago
5 0

Answer:

.25

Step-by-step explanation:

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3 years ago
The lifetimes of 10,000 watch batteries are normally distributed the mean lifetime is 500 days the standard deviation is 60 days
Lelu [443]
Given:
μ = 500 days, the population mean
σ = 60 days, the population standard deviation

Therefore
μ + σ = 560
μ - σ = 440
μ + 2σ = 620
μ - 2σ = 380
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The figure shown below illustrates the normal distribution
About 68% of the total area lies in x = (μ-σ, μ+σ)
About 95% of the total area lies in x = (μ-2σ, μ+2σ)
About 99.7% of the total area lies in x = (μ-3σ, μ+3σ).

7 0
3 years ago
Simplify a polynomial: (3x–4y)²–(3x–4y)(3x+4y)
Vika [28.1K]

Step-by-step explanation:

(3x-4y)×(3x-4y-(3x+4y))

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8 0
3 years ago
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True or false square root 54 is close to 7?
antoniya [11.8K]
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Answer:

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Step-by-step explanation:

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