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MAXImum [283]
3 years ago
10

A student measures the wingspans of 40 local dragonfly specimens selected at random. The sample mean is 6.8 centimeters with a m

argin of error of 0.9 centimeters. Based on this information, what are plausible values for the mean wingspans of the population of local dragonflies?
Explain or show your reasoning.
Mathematics
1 answer:
Anna [14]3 years ago
6 0

Answer:

6.8 - 0.9 = 5.9

Step-by-step explanation:

5.9 is the only average that seemed reasonable. Hope I helped.

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1/6 + 3/4 rational numbers
mamaluj [8]

Answer: three rational numbers between 3/4 and 1/6 are

1/4

1/3

1/2

Step-by-step explanation:

equalize the denominators by lcm

therefore you will get 9/12 and 3/12

take any three numbers between them and reduce them to the lowest fraction possible.

   

                                Mr. Uzumaki

3 0
2 years ago
Find the interior angle sum for the following polygon
LUCKY_DIMON [66]
140 is ur answer…
Im not really sure but I think this is it
Really hope this helps
6 0
3 years ago
Which phrases can be used to represent the inequality 6.5x+1.5<21? Select two options.
guapka [62]

Answer:

Phrases 2 and 4.

Step-by-step explanation:

6.5x+1.5<21

The sum of 1.5 and the product of 6.5 and a number is no greater than 21.

The product of 6.5 and a number, when increased by 1.5 is at most 21.

HOPE IT HELPS

(FROM CROSS)

6 0
3 years ago
Can i get some help i suck at this lol
blsea [12.9K]
That would be 8, its in the center so forget 9 or 7.
6 0
3 years ago
Which value is a part of the domain? <br> -2.7<br> -2.2<br> -1.9
ozzi

Answer:

hmm, i think is -2.2 if am correct.

Step-by-step explanation:

7 0
3 years ago
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