3 years ago

What is the median of this list of numbers? 22, 18, 23, 36, 26, 18, 29. A. 22 B. 18 C. 23 D. 36

Mathematics

1 answer:

7nadin3 [17]3 years ago

5 0

Answer:

C. 23

Step-by-step explanation:

18 18 22 23 26 29 36

23 is in the middle

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After 5 tests Dara's average score was 88 what score must she average on the next two tests to have a seven-test average of 90?

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After 5 tests, her average was 88. To have a seven-test average of 90, the total must be:

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maksim [4K]

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Step-by-step explanation:

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3 years ago

In a geometric sequence, if a3 = ‒5 and a6 = 40, determine a1, r, and an. Then write the first three terms of the sequence.

Tresset [83]

$a_4=ra_3$
$a_5=ra_4=r^2a_3$
$a_6=ra_5=r^3a_3$

$40=-5r^3\implies r^3=-8\implies r=-2$

$a_3=ra_2=r^2a_1$

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You know the first and third terms, $a_1$ and $a_3$ , so you just need to find the second term $a_2$ :

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3 years ago

What is the median of this list of numbers? 22, 18, 23, 36, 26, 18, 29. A. 22 B. 18 C. 23 D. 36​

What is the median of this list of numbers? 22, 18, 23, 36, 26, 18, 29. A. 22 B. 18 C. 23 D. 36