Question

Help!! (You will get 100 points! & Brainliest if you are correct)

7TH GRADE MATH | Mrs. Bront
1.
The first sequence rule is multiply by 4 starting from 7. The second sequence rule is add 5 starting from 8. What is the first number that appears in both sequences?

Answers

  1. 28 is the first number that appears in both sequences.
    multiply by 4 starting from 7
    • First sequence: 7 * 4 = 28 *4 = 112 * 4 = 448
    add 5 starting from 8
    • Second sequence: 8 + 5 = 13 + 5 = 18 + 5 = 23 + 5 = 28

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  2. Answer: The first number that appears in both sequences is 28.
    Step-by-step explanation:
    Let’s write down numbers from each of the sequences
    Sequence 1) We need to start from 7 and multiply 4
    7×4=28, 28×4=112
    The sequence is 7,28,112…
    Sequence 2) We need to start from 8 and add 5
    5+8=13, 13+5=18, 18+5=23, 23+5=28
    The sequence is 8,13,18,23,28…
    They both have 28

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