PLEASE HELP IT'S URGENT THE ASSIGNMENT IS DUE TODAY Rewrite without absolute value for the given conditions:

Mathematics

1 answer:

Papessa [141]3 years ago

8 0

Answer:1. y=|x−3|+|x+2|−|x−5|, if -2<x< 3 = x

2. y=|x−5|+|x+5|, if x>5 = 2x

Step-by-step explanation:

i did that before

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Setler [38]

Answer:

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Step-by-step explanation:

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Read 2 more answers

Scores on a certain intelligence test for children between ages 13 and 15 years are approximately normally distributed with μ=10

Tju [1.3M]

Answer: 0.8238

Step-by-step explanation:

Given : Scores on a certain intelligence test for children between ages 13 and 15 years are approximately normally distributed with $\mu=106$ and $\sigma=15$ .

Let x denotes the scores on a certain intelligence test for children between ages 13 and 15 years.

Then, the proportion of children aged 13 to 15 years old have scores on this test above 92 will be :-

$P(x>92)=1-P(x\leq92)\\\\=1-P(\dfrac{x-\mu}{\sigma}\leq\dfrac{92-106}{15})\\\\=1-P(z\leq })\\\\=1-P(z\leq-0.93)=1-(1-P(z\leq0.93))\ \ [\because\ P(Z\leq -z)=1-P(Z\leq z)]\\\\=P(z\leq0.93)=0.8238\ \ [\text{By using z-value table.}]$