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2 years ago

Explain your reasoning for your answer above. I’ll give brainliest !!

Mathematics

1 answer:

Juliette [100K]2 years ago

5 0

Answer:

Step-by-step explanation:

The triangles are the same. Congruent is when all three sides are equal to each other on both triangles

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3 years ago

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3 years ago

The average time an individual reads online national news reports is 49 minutes. Assume the standard deviation is 16 minutes and

Olin [163]

Answer:

0.118 is the probability someone will spend no more than 30 minutes reading online national news reports.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 49 minutes

Standard Deviation, σ = 16 minutes

We are given that the distribution of time an individual reads is a bell shaped distribution that is a normal distribution.

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

P(no more than 30 minutes)

$P( x \leq 610) = P( z \leq \displaystyle\frac{30 - 49}{16}) = P(z \leq -1.1875)$

Calculation the value from standard normal z table, we have,

$P(x \leq 30) = 0.118 = 11.8\%$

0.118 is the probability someone will spend no more than 30 minutes reading online national news reports.

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3 years ago

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Anuta_ua [19.1K]

Answer:

x=17

Step-by-step explanation:

53+(2x+3)=90

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