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3 years ago

9th out 10 questions

Mathematics

1 answer:

Sloan [31]3 years ago

3 0

The correct answer is 15.

This is because the relationship between x and y is y=3x, as can be verified by the other points in the table.

3 = 3(1), 6 = 3(2), 24 = 3(8).

When we plug in 5 for x into our equation, we get 3(5), which equals 15.

Therefore, your answer is 15.

Hope this helps!

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Find an equation for the nth term of the arithmetic sequence. -15, -6, 3, 12, ...

Mariulka [41]

Answer: $t_{n}=-15+9(n-1)$

Step-by-step explanation:

The formula for finding the nth term of an arithmetic sequence is given as:

$t_{n}=a+(n-1)d$

$a =$ first term = -15

$d =$ common difference = -6 - (-15) = 9

$n =$ number of terms

substituting into the formula , we have :

$t_{n} = -15+(n-1)9$

$t_{n}=-15+9(n-1)$

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