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jesuslovesusall3
30.12.2020 •
Mathematics
Which of the following is an arithmetic sequence?
O A. 2, 4, 16, 32,
O B. 5,-5, 5, -5,..
OC. 2,3, 7, 1, ..
OD. 3, 0, -3, -6
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Ответ:
D
Step-by-step explanation:
because it has a varying and uniform difference of -3
Ответ:
ten sevenths
Step-by-step explanation:
Given: Time taken by Jennifer to clean her room![t_1= 2 \text[ hours}](/tpl/images/0215/7476/ac05e.png)
Time taken by John to clean same room![t_2= 5\text[ hours}](/tpl/images/0215/7476/3a1e5.png)
If they work together to clean the room , then the total time taken by them is given by :-