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SSSSS [86.1K]
3 years ago
8

What is the sum of the first 100 terms of the arithmetic sequence 2, 7, 12, 17?

Mathematics
1 answer:
Naddik [55]3 years ago
8 0

Answer:

25452

Step-by-step explanation:

each term goes up by 5 so the formula is 2+5(n-1) where n is the term number

so the equation is ∑n=1 101 (2+5(n-1))

∑n=1 101 (5n-3) = 25452

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When adding numbers which way do you usually work
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A class rolls a number cube 100 times and records the results. A.Use these to predict how many times the class will roll the num
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2 years ago
Sandra's ice popsicle is 8 1/5 inches long. She eats 6 4/5 inches. How long is
pshichka [43]

Answer:1 2/5

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3 0
3 years ago
Read 2 more answers
Please help ASAP please give both answers :)
atroni [7]

Answer:

Step-by-step explanation:

If we want to share £5 to the ratio of 1/3 we should follow this steps :

  • our ratio is 1/3 so we should add 1 and 3 together to find the total number of parts : 1+3=4
  • divide the total amount by the number of parts : 5/4 = 1.25
  • multiply each number in the ratio by 1.25 : 1.25*1=1.25 and 1.25*3=3.75

the answer is 1.25 and 3.75

It was obvious from the beginning that the answer would be the last one since ut had two numbers

  • following the same steps you get again in the second question :

6 ; 14

7 0
3 years ago
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