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2 years ago

In how many ways can 13 students be seated in a row of 13 chairs if David, insists on sitting in the first chair?

Mathematics

1 answer:

Delvig [45]2 years ago

8 0

They can only sit one way because they are still in a row
Or did you mean like how many different ways can they sit?

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Explain how the common difference in an arithmetic sequence is like the slope of a linear function. read more >>

faust18 [17]

In arithmetic sequence, let the first tern of the arithmetic sequence be, a, and the common difference, d, then the nth term, Tn, of the arithmetic sequence is given by:

$T_n=a+(n-1)d$

For a linear function with y-intercept, c, and slope, m, the linear function is given by:

$y=mx+c$

Comparing the equation of the arithmetic sequence and that of the linear function, we can see that y is compared to Tn, a is compared to c, m is compared to d, and x is compared to n - 1.

Therefore, <span>the common difference in an arithmetic sequence is like the slope of a linear function as both are multiple of a variable.</span>

4 0

3 years ago

Enter two million, eighty-seven thousand, three hundred four.

Ede4ka [16]

Answer:

2,087,304..........

8 0

3 years ago

Anyone can help me with this

Leokris [45]

Given:

The data values are

11, 12, 10, 7, 9, 18

To find:

The median, lowest value, greatest value, lower quartile, upper quartile, interquartile range.

Solution:

We have,

11, 12, 10, 7, 9, 18

Arrange the data values in ascending order.

7, 9, 10, 11, 12, 18

Divide the data in two equal parts.

(7, 9, 10), (11, 12, 18)

Divide each parenthesis in 2 equal parts.

(7), 9, (10), (11), 12, (18)

Now,

Median = $\dfrac{10+11}{2}$

= $\dfrac{21}{2}$

= $10.5$

Lowest value = 7

Greatest value = 18

Lower quartile = 9

Upper quartile = 12

Interquartile range (IQR) = Upper quartile - Lower quartile

= 12 - 9

= 3

Therefore, median is 10.5, lowest value is 7, greatest value is 18, lower quartile 9, upper quartile 12 and interquartile range is 3.

8 0

3 years ago

Find the slope of the line on the graph. Reduce all fractional answers to lowest terms.

miv72 [106K]

The answer is -1/3

The slope m is:
m = (y2 - y1) / (x2 - x1)
(x1, y1) = (-2, 2)
(x2, y2) = (4, 0)

m = (0 - 2) / (4 - (-2)) = -2 / 6 = -1/3

6 0

3 years ago

the cost per month of one cell phone plan is $30 plus and additional nickel for each text. write an equation that defines the to

storchak [24]

Y= 5c + 30 would be it I believe

7 0

3 years ago