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Paraphin [41]
1 year ago
5

the area of a triangle is 49.28 square centimetres. if the base of the triangle is 8.8 centimeters, what is the height

Mathematics
1 answer:
Liono4ka [1.6K]1 year ago
6 0

Answer:

11.2

Step-by-step explanation:

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what are the mean variacne and standard deviatioon of the values? round to the nerates tenth. 11,11,3,1,11
alexdok [17]

Answer:

Mean = 8

Variance = 22

Standard deviation = 4.6904

Step-by-step explanation:

To find out Mean the formula is : total sum of data set / number of values

(11 + 11 + 3 + 1 + 11 + 11) / 6 = 48 / 6 = 8

Mean = 8

Now for variance we will form a table

x                  11     11     3      1      11      11

(x - Mean)    3     3    -5     -7      3      3  

(x - Mean)²   9     9    25    49    9      9

Now we the formula of variance =

Variance = (9+9+25+49+9+9)/(6-1) = 110/5 = 22

Variance = 22

Now we know Standard deviation = √(variance)

Therefore standard deviation = √22 = 4.6904

Hope this helps!<3

4 0
2 years ago
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Jason is drawing the floor plan of his bedroom. He is drawing everything with dimensions that are 1/12 of the actual size. His b
irina [24]

Answer:

New bed dimension of bed 0.5 ft, 0.25 ft

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Step-by-step explanation:

Given data:

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according to the given information , new dimension of the room and bed will be 1/12 times of actual dimension. therefore we have

New bed dimension of bed = \frac{1}{12} \times 6 ft, \frac{1}{12} \times 3 ft

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New bed dimension of room = \frac{1}{12} \times 14 ft, \frac{1}{12} \times 16 ft

                                                 = 1.16 ft, 1.33 ft

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3 years ago
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Answer: the first answer choice is the answer i think it is at least

Step-by-step explanation:

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2 years ago
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