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Ronch [10]
2 years ago
12

Find the measures of the numbered angles in rhombus QRST.

Mathematics
1 answer:
weeeeeb [17]2 years ago
8 0
1)90, 2)47, 3)43, 4)47
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Find the solutions to the equation below.
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F x=1/2

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Fred bought nine new collectable cards to add to his collection. The next day his dog ate half of his collection.
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A certain article reported the following observations, listed in increasing order, on drill lifetime (number of holes that a dri
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Answer:

Sample mean =119.42

Median = 92

25% trimmed mean = 102.42

10% trimmed mean = 95.69

Step-by-step explanation:

Data in increasing order :

12 13 20 23 31 35 40 43 48 49 58 62 66 67 69 71 73 77 78 79 82 85 86 89 91 93 97 99 101 105 106 106 112 117 124 135 139 141 147 159 161 168 183 207 249 262 289 323 388 513

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= \frac{5971}{50} = 119.42

Median: Since we have even number of observation

Median = \frac{1}{2}({25\text{th term} + 26\text{th term}) = \frac{91+93}{2} = 92

10% Trimmed Mean: We remove 5 values from each side

Trimmed set = 35 40 43 48 49 58 62 66 67 69 71 73 77 78 79 82 85 86 89 91 93 97 99 101 105 106 106 112 117 124 135 139 141 147 159 161 168 183 207 249

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25% Trimmed Mean: We remove 12 values from each side.

Trimmed set =  66 67 69 71 73 77 78 79 82 85 86 89 91 93 97 99 101 105 106 106 112 117 124 135 139 141

Trimmed mean =  \frac{\text{Sum of Trimmed Set}}{\text{Total number of observations}} = \frac{2488}{26} = 95.69

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3 years ago
Becky’s square living room needs new carpet. She needs about 200 square feet of carpet to cover the floor. What are the approxim
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Area is length * width
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3 years ago
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