2 years ago

Nancy wants to buy some granola, which she eats for breakfast almost every day. Which is likely the most cost-effective option?

Mathematics

1 answer:

denis-greek [22]2 years ago

7 0

C. Buying more at once is likely more cost effective and she will not have to purchase granola as often.

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a school system is reducing the amount of dumpster loads of trash removed each week. in week 5, there were 40 dumpster loads of

murzikaleks [220]

Since it is given that the reduction in the amount of waste each week is linear, it is conclusive that these data are also in arithmetic sequence. First, determine the common difference (d)
d = (a10 - a5) / (10 - 5)
Subsituting the known values,
d = (30 - 40) / 5 = -2
To determine any term (at) of the arithmetic sequence,
at = a1 + (n - 1) x d
Solve for a1 by using either the given a5 or a10,
40 = a1 + (5 -1) x -2 ; a1 = 48
The equation becomes,
at = 48 + -2(n -1)

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den301095 [7]

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Are corresponding sides and angles equal

andrezito [222]

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