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Zepler [3.9K]
3 years ago
6

Select the correct answer.

Mathematics
1 answer:
alukav5142 [94]3 years ago
8 0

Answer:

Graph W

Step-by-step explanation:

Because in 2016, there are twice the initial number which is 10, there are 20 destinations 1 year after 2015. In 2017, there's twice the amount of destinations in 2016. In 2016, there has been 20 destinations. 20x2 is equal to 40. Therefore, in 2017, there has been 40 destinations.

If this has helped please mark as brainliest

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Which of these equations represents a line
Sedbober [7]
What type of answers are those?
5 0
3 years ago
Find the 8th term of the geometric sequence: 1/3, -1, 3
olga55 [171]

Step-by-step explanation:

a= 1/3

common ratio = -3

the 8th term is given by,

a {r}^{7}  =  \frac{1}{3}  \times  {( - 3)}^{7}

=  - 729

7 0
3 years ago
Help asap plz fast just need awncers
frutty [35]
I only know the answers for 10 and 11
                
10.  903.6 divided by 25.1 = 36 Estimate: 36
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6 0
3 years ago
A manufacturer knows that their items have a normally distributed length, with a mean of 15.4 inches, and standard deviation of
Masteriza [31]

Answer:

0.9452 = 94.52% probability that their mean length is less than 16.8 inches.

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.

Mean of 15.4 inches, and standard deviation of 3.5 inches.

This means that \mu = 15.4, \sigma = 3.5

16 items are chosen at random

This means that n = 16, s = \frac{3.5}{\sqrt{16}} = 0.875

What is the probability that their mean length is less than 16.8 inches?

This is the p-value of Z when X = 16.8. So

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

By the Central Limit Theorem

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

Z = \frac{16.8 - 15.4}{0.875}

Z = 1.6

Z = 1.6 has a p-value of 0.9452.

0.9452 = 94.52% probability that their mean length is less than 16.8 inches.

5 0
3 years ago
which shows the correct substitution of the values a, b, and c from the equation 0 = – 3x2 – 2x 6 into the quadratic formula? qu
zubka84 [21]
-3x^2-2x (+-)6=0 
ax^2+bx+c
a=-3
b=-2
c= either positive or negative 6 (there is no plus or minus in your question.)
What are the answer choices? It might help. 
4 0
3 years ago
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