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valkas [14]
2 years ago
11

WILL GIVE BRAINLIEST

Mathematics
2 answers:
-BARSIC- [3]2 years ago
8 0

Answer:

1

Step-by-step explanation:

i think

ivolga24 [154]2 years ago
4 0

Answer:

y-intercept=1

Step-by-step explanation:

the y-intercept of a graph is the point where the graph crosses the y-axis.

now that we know what y-intercept is, we also know how to find it- and in your case, the y-intercept is 1 because that is where the line hits a 'perfect point' on the y-axis

good luck :)

i hope this helps

have a nice day !!

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the position of a deep sea probe is -2 3/4 fathoms relative to the sea level. after finishing taking data, it moves to -2 5/8 fa
alisha [4.7K]

Answer:

  • The first mission

Step-by-step explanation:

<u>The depth readings are</u>

  • The first mission:  - 2 3/4 fathoms
  • The second mission: - 2 5/8 fathoms

<u>Comparing the readings</u>

  • - 2 3/4 = - 2 6/8  and  - 2 5/8

<u>Absolute values compared</u>

  • 2 6/8 > 2 5/8

Indicating the greater value on the first mission

As per above, the first mission was deeper

8 0
3 years ago
How do i completely factor 9c^4-36c^2?
VLD [36.1K]
You take out the biggest factor of 9 and 36 which is 9c^2. The factors both have the c variable in common so you take the least exponent and put it with the gcf.

9c^2(c^2+4)
8 0
3 years ago
Read 2 more answers
What are Rational numbers
BlackZzzverrR [31]

Answer:

Rational Number. Any number that can be written as one integer over another. Includes positive numbers, negative numbers, zero, whole numbers, integers, fractions, terminating decimals, and repeating decimals. Ex: 1/4, 5, -9, 1.8, 1.33333.

Step-by-step explanation:

4 0
3 years ago
Write the phrase "Five subtracted from three times any number" as an algebraic expression
Dahasolnce [82]

Answer: 3x-5

Step-by-step explanation:

Five subtracted from three times any number can be represented as 3x-5.

4 0
3 years ago
According to a report from a business intelligence company, smartphone owners are using an average of 22 apps per month. Assume
Ira Lisetskai [31]

Answer:

0.4332 = 43.32% probability that the sample mean is between 21 and 22.

Step-by-step explanation:

To solve this question, we need to understand the normal probability distribution and the central limit theorem.

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

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

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

The Z-score 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. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

Central Limit Theorem

The Central Limit Theorem establishes 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.

According to a report from a business intelligence company, smartphone owners are using an average of 22 apps per month.

This means that \mu = 22

Standard deviation is 4:

This means that \sigma = 4

Sample of 36:

This means that n = 36, s = \frac{4}{sqrt{36}}

What is the probability that the sample mean is between 21 and 22?

This is the p-value of Z when X = 22 subtracted by the p-value of Z when X = 21.

X = 22

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

By the Central Limit Theorem

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

Z = \frac{22 - 22}{\frac{4}{sqrt{36}}}

Z = 0

Z = 0 has a p-value of 0.5.

X = 21

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

Z = \frac{21 - 22}{\frac{4}{sqrt{36}}}

Z = -1.5

Z = -1.5 has a p-value of 0.0668.

0.5 - 0.0668 = 0.4332

0.4332 = 43.32% probability that the sample mean is between 21 and 22.

4 0
2 years ago
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