Ask a New Question

What is the sequence of 3 21 39 57 need help is so hard it says to think smat

2 answers

21 - 3 = 18
39 - 21 = _____
57 - 39 = ______

They all equal 18 therefore the sequence of 3, 21, 39, 57 is 18.

Ask a New Question or answer this question.

Similar Questions

Hard to say, since you don't say which sequence you tested.Which of the following statements is true for the sequence with
1. 1 answer
Classify the following list of numbers as an arithmetic sequence, a geometric sequence, some other sequence, or not a sequence.9
1. 1 answer
Classify the following list of numbers as an arithmetic sequence, a geometric sequence, some other sequence, or not a sequence.9
1. 1 answer
QuestionClassify the following list of numbers as an arithmetic sequence, a geometric sequence, some other sequence, or not a
1. 1 answer

more similar questions