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noname [10]
3 years ago
8

Write the sum of 8n2 – 3n+ 10 and 3n2 – 6n – 7 in standard form.

Mathematics
1 answer:
Zanzabum3 years ago
8 0

Answer:

Are these to seperate questions? I swear I will give you the answers just want to know, so I can give you the right answer :)

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9. Factor 12-15x<br> (show work<br> here)
Ann [662]

Answer:

mean

Step-by-step explanation:

mean ka hai iska i don't know

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3 years ago
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On a particular day, the wind added 5 miles per hour to Jaime's rate when she was rowing with the wind and subtracted 5 miles pe
olga55 [171]

Answer:

45

Step-by-step explanation:

The first part of the question is to throw you off and is of no use

To find the answer you must find the midpoint of 30 and 60

which shall give you 45 and that is the answer to the question

Hope this helped you

3 0
3 years ago
HELP NOW II WILL GIVE YOU 30 POINTS
Alex

Answer:

1; -11+ 26 =15

2: 2- (-3) =5

3: 10+ (-4) = 7

4: 11 + -8 =3

5: -2 + 3 =1

6:  8 - 12 = -4

Step-by-step explanation:

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5 0
3 years ago
n ecology, a measure of diversity of a species in a certain population is called the diversity index. The diversity index D is d
vagabundo [1.1K]

Answer: the value of the diversity index D is Zero (0)

Step-by-step explanation:

Just as the meaning of diversity index is boldly explained in the question, it is the probability that randomly selected organism from a population are from a different species.

Now if the organisms are all from the same species in a population  then it is impossible to select two organisms from different species.

That is, we can never select two organisms that are not from the same species.

Hence, we cant fulfil or meet the definition of diversity index .

Therefore in this situation the value of our diversity index D will be exactly zero, D = 0.

4 0
3 years ago
Robin’s scores: 99, 108, 102, 107, 119 Mean = 107; MAD = 5. 2 Evelyn’s scores: 125, 137, 138, 145, 145 Mean = 138; MAD = 5. 6 Ex
IgorLugansk [536]

The absolute distance of the Evelyn scores from her mean score is greater than the absolute distance of Robin scores from his mean score.

<h3>What is Mean?</h3>

Mean is simply defined as the average of the given set of numbers. The mean is considered as one of the measures of central tendencies in statistics. The mean is said to be an arithmetic mean. It is the ratio of the sum of the observation to the total number of observations.

<h3>What is the mean absolute deviation?</h3>

Mean refers to the average of the observation and deviation means the variation from the present standard.

Given

Robin’s scores: 99, 108, 102, 107, 119

Mean = 107

MAD = 5.2

Evelyn’s scores: 125, 137, 138, 145, 145

Mean = 138

MAD = 5.6

The absolute distance of the Evelyn scores from her mean score is greater than the absolute distance of Robin scores from his mean score.

More about the mean and the mean absolute deviation link is given below.

brainly.com/question/10258446

8 0
3 years ago
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