5. A random sample of 20 students from both the Science and Math Club were surveyed about what supplies they would like to purchase for various projects. If there are 240 students in the Math Club, how many students can you expect to choose calculators? * Based on the sample, if there are 150 Science Club members, what percent of the total members would choose poster board or clay? *

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step-by-step explanation:

arithmetic sequence

step-by-step explanation:

given that a sequence has terms as

19, 15, 11,

this is represented on a graph

the pattern indicates that the sequence is an arithmetic sequence with i term

a=19 and common difference d =-4

any general term

thus the sequence is reduced by 4 for each successive term starting from 1 and nth term is

24-5n.

first negative term would start after 5th term

5th term =24-25< 0

from 5th term onwards the sequence would be negative.