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Arada [10]
3 years ago
14

The first term of an arithmetic sequence is -3 and the fifteenth term is 53. What is the common difference of the sequence? A. 1

4/13 B.25/7 C. 4

Mathematics
1 answer:
nasty-shy [4]3 years ago
3 0
There you go hope i helped

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At least 14 economy and at least 5 deluxe...total of 45 seats. He makes a bigger profit from selling economy seats....so we need the most economy seats we can get.

45 seats - 5 deluxe = 40 economy

so the most profit would be 40 economy and 5 deluxe
40 economy = (40 x 30) = 1200 profit
5 deluxe = (5 x 25) = 125 profit
for a maximum profit of : $ 1325
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16% of what cookies is 44 cookies
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275??
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16×/16=4400/16
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A psychologist treats 16 patients and records the number of sessions required to complete a behavioral therapy treatment for eac
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Hence, the standard deviation for these data is 7.1 sessions

In statistics, the standard deviation is a measure of the volatility or variance of a set of values. [1] A low standard deviation indicates that the values ​​tend to be close to the mean of the set (also known as the mean), and a high standard deviation indicates that the values ​​are more widely distributed. indicate.

Standard deviation can be abbreviated as SD, and in mathematical texts and equations, it is most commonly represented by the Greek lower σ (sigma) for population standard deviation or the Latin letter s for sample standard deviation. It is a target.

The standard deviation of a random variable, sample, population, dataset, or probability distribution is the square root of its variance. It's algebraically simple, but it's actually less robust than mean absolute deviation. A useful property of standard deviation is that, unlike variance, it is expressed in the same units as the data.

Expression

\ sigma = {\ sqrt {\ frac {\ sum (x_ {i}-{\ mu}) ^ {2}} {N}}}

\ sigma = Population standard deviation

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Learn more about standard deviation   here: brainly.com/question/475676

#SPJ4

4 0
2 years ago
(Ignore the C that was answered I don’t think it’s correct)
oksian1 [2.3K]

Answer:

c is actually correct lol

Step-by-step explanation:

g(x) = (x-4)(x+2)

set both (x-4) and (x+2) equal to zero

x-4=0

x=4

& bx+2=0

x=-2

c has 4 and -2 as x values

7 0
3 years ago
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