3 years ago

Can somebody please help me with this math question

Mathematics

1 answer:

nata0808 [166]3 years ago

8 0

Dc=ac

Step-by-step explanation:

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Identify the type of sequence 1/10, 3/20, 5/30, 7/40...

Dafna11 [192]

Arithmetic sequence: must have a constant common difference.
3/20-1/10=(3-2)/20=1/20
5/30-3/20=(10-9)/60=1/60
Difference is not constant, so no.

Geometric sequence: must have a common ratio
30/20 / (1/10) = 15
5/30 / (3/20) = 100/90 = 10/9
ratio is not constant, so no.

The answer is (c) neither geometric nor arithmetic

4 0

3 years ago

A- 7 = 3(+2) What is a

Marina CMI [18]

Answer:

a = 13

Step-by-step explanation:

Hello!! This is how you do it!!

a - 7 = 3 (2)

a - 7 = 6

+ 7. +7

a = 13