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What's More A. Write the corresponding arithmetic series described in each of the following and find its sum. 1. sum of the first 10 positive even integers 2. sum of all two-digit multiples of 11 3. sum of the first 30 positive integers which are multiples of 8 4. sum of all the numbers between 8 and 45 that are divisible by 6 5. sum of the first 8 terms of the arithmetic sequence 8, 15, 22, 29, ...​

Sagot :

Answer:

✏️ABSOLUTE VALUE

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The equation \sf | x | = 10 ∣x∣=10 has two solution such as = 10 or = -10. Write two possible values of the letters.

9. \sf |a| = 15 ∣a∣=15

\tt \large \red{a = 15} a=15

\tt \large \red{a = \text-15} a=-15

10. \sf |x| = 60 ∣x∣=60

\tt \large \red{x = 60} x=60

\tt \large \red{x = \text-60} x=-60

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