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2 years ago

9 + 5m = 5m - 1 Please help! Thanks :))

Mathematics

2 answers:

bulgar [2K]2 years ago

5 0

answer: 1 0 + 9

Step-by-step explanation:

combine like terms

9 + 5m + 5m

9 + 10m

NOW rearrange terms

9 + 10m

10m + 9

vfiekz [6]2 years ago

3 0

Answer:

No solution

Step-by-step explanation:

In pic

(Credits: Symbolab)

(Hope this helps can I pls have brainlist (crown)☺️)

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2. Alicia is writing the program for a video game. For one part of the game she uses the rule (x,y) ->(x-3,y+4) to move point

Taya2010 [7]

Given rule (x,y) ->(x-3,y+4) to move points on the screen.

a) We are given first input (-6,0).

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So, first output is (-9,4).

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Plugging values of x and y in given rule (x,y) ->(x-3,y+4), we get

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2 years ago

An electronic device factory is studying the length of life of the electronic components they produced. The manager selects two

Temka [501]

Answer:

The confidence interval will be given by:

$200000 \pm 44.72z$ , in which z is related to the confidence level.

For a confidence level of x%, z is the value in the z-table that has a pvalue of $1 - \frac{1 - z}{2}$

Step-by-step explanation:

Central Limit Theorem

The Central Limit Theorem estabilishes that, for a normally distributed random variable X, with mean $\mu$ and standard deviation $\sigma$ , the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean $\mu$ and standard deviation $s = \frac{\sigma}{\sqrt{n}}$ .

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

In the context of this problems:

It means that the sampling distributions of the sample mean of 500 components will be approximated normal, with mean 200,000 and standard deviation $s = \frac{1000}{\sqrt{500}} = 44.72$