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tatyana61 [14]
2 years ago
8

An equation of a line with a slope of - 2 and a y-intercept of 2.5 is a

Mathematics
1 answer:
Sonbull [250]2 years ago
4 0

Answer:

y= -2x +2.5

Step-by-step explanation:

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The first term of an arithmetic sequence is equal to four and the common difference is three. find the formula for the value of
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The formula for the value of nth term is a_{n} = 3n + 1

Step-by-step explanation:

The formula of the nth term in the arithmetic sequence is

a_{n}=a+(n-1)d , where

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  • d is the common difference between each two consecutive terms

∵ The first term of an arithmetic sequence is equal to four

∴ a = 4

∵ The common difference is equal to three

∴ d = 3

- Substitute these values in the rule of the nth term

∵ a_{n}=a+(n-1)d

∴ a_{n}=4+(n-1)3

- Simplify it

∴ a_{n}=4+3n-3

∴ a_{n}=1+3n

The formula for the value of nth term is a_{n} = 3n + 1

Learn more:

You can learn more about the sequence in brainly.com/question/7221312

#LearnwithBrainly

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A large snowfall of 45 inches fell on Buffalo if one third of the snow melts each day, how much snow will remain
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Answer:

Step-by-step explanation:

45/3=15

15" of snow melts each day, so after day 1 30" of snow will remain, after day 2 15" will remain and after day 3 all snow will be gone.

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-7.07106

Step-by-step explanation:

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