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svp [43]
3 years ago
12

The distance between -4,1 and -2,2

Mathematics
1 answer:
Vlad1618 [11]3 years ago
8 0

Answer:

✓32

or

4✓2

or

5.66

Step-by-step explanation:

That's the answer. Hope it helps

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If f(x) = x/2 - 3 an g(x) = 3x^2 + x-6, find (f+g)(x)
PilotLPTM [1.2K]

Answer:

(f + g)(x) = 3x^2 + 3x/2 - 9

Step-by-step explanation:

In order to find a composite function through addition, you simply add the two equations together.

f(x) + g(x)

x/2 - 3 + 3x^2 + x - 6

3x^2 + 3x/2 - 9

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Ariana builds wooden furniture in her wood shop. Her most popular product is an oak glider. There is a proportional relationship
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10 days - 5 days = 5 days.

6 gliders - 3 gliders = 3 gliders.

They make 3 gliders in 5 days: 3/5 = 0.6 gliders per day.

y = 0.6x


The answer is A.

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If a square with perimeter of 32 cm is dilated by a factor of 2, what is the side length of the dilated square
goldenfox [79]
The side length of the dilated square is 32
6 0
2 years ago
Read 2 more answers
Simplify, following the order of operations: 5 102 – 3 × (12 – 8)
JulijaS [17]

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A local agricultural cooperative claims that 55% of about 60,000 adults in a country believe that gardening should be part of th
insens350 [35]

Using the <u>normal distribution and the central limit theorem</u>, it is found that there is a 0.0409 = 4.09% probability that, from a simple random sample of 300 adults in the county, less than 50% would say they believe that gardening should be part of the school curriculum.

In a normal distribution with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

  • It measures how many standard deviations the measure is from the mean.  
  • After finding the z-score, we look at the z-score table and find the p-value associated with this z-score, which is the percentile of X.
  • By the Central Limit Theorem, the sampling distribution of sample proportions for a proportion p in a sample of size n has \mu = p, s = \sqrt{\frac{p(1 - p)}{n}}

In this problem:

  • The proportion is of 55%, hence p = 0.55
  • The sample has 300 adults, hence n = 300

Then, the <u>mean and the standard error</u> are given by:

\mu = p = 0.55

s = \sqrt{\frac{p(1 - p)}{n}} = \sqrt{\frac{0.55(0.45)}{300}} = 0.0287

The probability is the <u>p-value of Z when X = 0.5,</u> hence:

Z = \frac{X - \mu}{\sigma}

By the Central Limit Theorem

Z = \frac{X - \mu}{s}

Z = \frac{0.5 - 0.55}{0.0287}

Z = -1.74

Z = -1.74 has a p-value of 0.0409.

0.0409 = 4.09% probability that, from a simple random sample of 300 adults in the county, less than 50% would say they believe that gardening should be part of the school curriculum.

A similar problem is given at brainly.com/question/25800303

8 0
2 years ago
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