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tia_tia [17]
3 years ago
8

Help plz.................

Mathematics
1 answer:
Furkat [3]3 years ago
6 0

Answer:

anawer:D he most popoular

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What perfect square that is between 1 and 100 has 27 as one of its factors?
astra-53 [7]

Answer:

81

Step-by-step explanation:

Its a perfect square and 27*3=81

6 0
3 years ago
29×5/6 how do you solve it
frutty [35]
Is the whole thing divided by 6 or just the 5?
7 0
3 years ago
Read 2 more answers
A simple random sample of 20 third-grade children from a certain school district is selected, and each is given a test to measur
ICE Princess25 [194]

Answer:

Option C) 5.62 points  

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 20

Sample mean score = 64

Sample standard deviation, s = 12

Degree of freedom =

=n-1\\=20-1\\=19

We have to calculate margin of error for a 95% confidence interval.

Formula for margin of error:

t_{critical}\times \displaystyle\frac{s}{\sqrt{n}}  

Putting the values, we get,  

t_{critical}\text{ at degree of freedom 19 and}~\alpha_{0.05} = \pm 2.093  

2.093\times (\displaystyle\frac{12}{\sqrt{20}} )\\\\ =5.6161\approx 5.62  

Thus, the correct answer is

Option C) 5.62 points

4 0
3 years ago
Starting from 300 feet away, a car drives toward you. It then passes by you at a speed of 48 feet per second.The distance d (in
Sergio [31]
About 2 seconds away from you
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3 years ago
Find the distance between the points (-3,2) and (4,-5)
alexandr1967 [171]
You have to use the distance formula. sqrt((x2-x1)^2+(y2-y1)^2) So sqrt((4+3)^2+(-5-2)^2). sqrt(49+49). Sqrt(98). 9.89

6 0
4 years ago
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