<h2><u>Question</u>:-</h2>
The measurement of the three interior angles of a quadrilaterals are: 85 °, 54 ° and 96 °, what is the measurement of the fourth angle?
<h2><u>Answer</u>:-</h2>
<h3>Given:-</h3>
The measurement of the three interior angles of a quadrilaterals are: 85 °, 54 ° and 96 °
<h3>To Find:-</h3>
The measurement of the fourth angle.
<h2>Solution:-</h2>
By angle sum property of a quadrilateral,
Sum of all the interior angles = 360 °
So, let the fourth angle be x
85 ° + 54 ° + 96 ° + x = 360 °
235 ° + x = 360 °
x = 360 ° - 235 ° = 125 °
<h3>The measurement of the fourth angle is <u>1</u><u>2</u><u>5</u><u> </u><u>°</u>. [Answer]</h3>
4.15, 6.3, 8.45, 10.6, 12.75
The rule is to add 2.15 to each number in the sequence
I think the digit 2 would repeat indefinitely 2, 4, 8, 16, yada yada. Hope it helped
Answer:
The mean of the data set is 22.1 , and the sample proportion of numbers less than the mean is 0.53
Explanation:
.
1) Mean
Formula: mean = sum of values / number of data
sum of values = 25.5 + 26 + 18.2 + 15.3 + 28.5 + 27 + 20.7 + 20.2 + 26.1 + 18.2 + 21.4 + 17.9 + 24.3 + 22.6 + 19.6 = 331.5
number of data = 15
mean = 331.5 / 15 = 22.10
2) proportion of numbers less than the mean
This is easier if you order the data. These are the data in growing order:
15.3
17.9
18.2
18.2
19.6
20.2
20.7
21.4
---------
22.6
24.3
25.5
26
26.1
27
28.5
The discontinues line shows the split of the data that are less than the mean.
Those are 8 numbers less than 22.1 and the proportion is:
8 / 15 = 0.53
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