2 years ago

Write a recursive formula for the sequence 2,-4,8,- 16, PLEASE HELP ASAP!!!!!!!!

Mathematics

1 answer:

Yanka [14]2 years ago

3 0

Answer:

$2 \times { (- 2)}^{n - 1}$

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Help me pls this is urgent ;>

postnew [5]

Answer:

$\frac{ |a + x| }{2} - \frac{ |a - x| }{2} \\ \\ = \frac{ | - 2 - 6| }{2} - \frac{ | - 2 + 6| }{2} \\ \\ = \frac{ | - 8| }{2} - \frac{ |4| }{2} \\ \\ = \frac{8}{2} - \frac{4}{2} \\ \\ = 4 - 2 = 2$

5 0

2 years ago

Solve for x <br>x/3 = 5/8

dlinn [17]

Answer:

x = 15/8

Step-by-step explanation:

x/3 = 5/8

Using cross products

8x = 3*5

8x = 15

Divide each side by 8

8x/8 = 15/8

x = 15/8

3 0

3 years ago

Read 2 more answers

Which list shows all the factor pairs of 42? A. 1 and 42, 2 and 24, 3 and 18, 4 and 13, 6 and 8 B. 1 and 42, 2 and 21, 3 and 14,

kondor19780726 [428]

Answer:

List B

Step-by-step explanation:

3 0

3 years ago

the two shorter sides of a triangle are the same length. the length of the longer side is 5 m longer than each of the shorter si

Sonja [21]

Yea it is the correct answer

4 0

3 years ago

I'm confused on this please help

Bumek [7]

7.8=rational because rational numbers are numbers that can be in a fraction decimal whole etc.

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3 years ago