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2 years ago

In 2011, the population of deer in a forest was 650.

Mathematics

1 answer:

Jet001 [13]2 years ago

8 0

1::650(1.15)

2: 650(1.15)2

3: 650(1.15) t

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Determine the sum of the arithmetic series: 5+18 +31 +44 + ... 161.

Finger [1]

Answer:

1079

Step-by-step explanation:

Hello,

18-5 = 13

31-18=13

44-31=13

161=5+13*12

So we need to compute

$\displaystyle \sum_{k=0}^{k=12} \ {(5+13k)}\\\\=\sum_{k=0}^{k=12} \ {(5)} + 13\sum_{k=1}^{k=12} \ {(k)}\\\\=13*5+13*\dfrac{12*13}{2}\\\\=65+13*13*6\\\\=65+1014\\\\=1079$

Thanks

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3 years ago

Find the unit price of a 3-pack of bottled juice for$6.75. how much does 1 bottle cost.

Olin [163]

Answer:

the answer is 2.25

Step-by-step explanation:

you divide 6.75÷ 3

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2 years ago

Read 2 more answers

Harman [31]

Answer: an improper fraction

Step-by-step explanation: An improper fraction is a fraction that is larger than 1 7/3 is larger than one because 7, the numerator is larger than the denominator so 7/3 is an improper fraction

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1 year ago

What point on the unit circle corresponds to an angle of 173º

Wewaii [24]

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2 years ago

A set of quiz scores is shown in the histogram below. The mean of the data set is 20.2, and the (population) standard deviation

Neko [114]

Answer:

$13$

Step-by-step explanation:

As the mean is 20.2 and the standard deviation is 2.4

The range within the first standard deviation is

(17.8,22.6)

This means that we can safely use the range of (18,22) as we cannot confirm whether the other values fall within the range.

Within this range there are

$2+3+4+3+1=13$

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2 years ago