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Tom [10]
3 years ago
6

I need help!!! please help me out as quick as possible

Mathematics
1 answer:
Alenkasestr [34]3 years ago
3 0

Answer:

D) 262,144

Step-by-step explanation:

The given sequence is given explicitly as:

A_n =  {4}^{n - 1}

We want to find the tenth term of this sequence.

We substitute n=10 to get:

A_ {10}=  {4}^{10 - 1}

Simplify the exponent

A_ {10}=  {4}^{9}

Simplify the power

A_ {10}=  262144

Therefore the 10th term is 262,144

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Five students visiting the student health center for a free dental examination during National Dental Hygiene Month were asked h
Andrews [41]

Answer:

[0.9 months, 32.69 months]

Step-by-step explanation:

The mean is

\bf \bar x=\frac{5+17+12+21+29}{5}=16.8

The standard deviation is

\bf s=\sqrt{\frac{(5-16.8)^2+(17-16.8)^2+(12-16.8)^2+(21-16.8)^2+(29-16.8)^2}{5}}=8.1092

Now, we have to find two values a and b such that the area under the Normal curve with mean 16.8 and standard deviation 8.1092 between a and b equals <em>95% = 0.95 </em>

Using a spreadsheet we find these values are

a = 0.906

b = 32.694

<h3>(See picture) </h3>

and our 95% confidence interval for the mean number of months elapsed since the last visit to a dentist for the population of students participating in the program rounded to two decimal places is

[0.9 months, 32.69 months]

4 0
3 years ago
Why are you allowed to move the decimal points before dividing with decimals? Explain your reasoning.
madam [21]

If you move the decimal point the same number of places in the dividend and the divisor, you are multiplying them both by the same power of 10. That does not change the quotient.

7 0
4 years ago
Read 2 more answers
What is the greatest common factor (gcf) for 26 and 78?<br>6<br><br>13<br><br>26 <br><br>3<br><br>2
saul85 [17]

For this case we have that by definition, the GCF of two numbers is the biggest common factor that divides both numbers without leaving residue. We find the factors:

26: 1,2,13,26

78: 1,2,3,6,13,26

Thus, the GCF of both numbers is 26

Answer:

26

Option C

8 0
3 years ago
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cricket20 [7]

Answer:

8 1/6

Step-by-step explanation:

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SVETLANKA909090 [29]

Answer:

2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,83,89,97

Step-by-step explanation:

those are the prime numbers

3 0
3 years ago
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