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Agata [3.3K]
4 years ago
12

Please hurry helppppp

Mathematics
1 answer:
MariettaO [177]4 years ago
6 0

Answer:

\frac{189}{100}

Step-by-step explanation:

Given the decimal number 1.89, we are required to convert to fraction

Step 1: write the decimal number given divided by 1

\frac{1.89}{1}

Step 2: multiply both the up and down by 10 for every number you have after the decimal point

We have 2 numbers (8 and 9) after the decimal point. This means we would multiply both the up and down by 100.

Thus,

\frac{1.89*100}{1*100}

\frac{189}{100}

Converting 1.89 to fraction would give us:

\frac{189}{100}

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Lesechka [4]

Answer: Mean = 3.5 , median = 2.5, mode = 2, geometric mean = 2.74

Median is the most appropriate measure of central tendency.

The least appropriate = mean

Yes there is an outlier.

Step-by-step explanation:

Given responses : 5, 4, 2, 1, 1, 2, 10, 2, 3, 5.

First arrange them in increasing order, \sqrt[10]{1\times1\times2\times2\times2\times3\times4\times5\times5\times10 }\\\\=\sqrt[10]{24000} \approx2.74

Its sum = 35

Mean of n observations = (Sum of observations) ÷ n

Mean = (35) ÷ 10

=3.5

Here n =10 (even)

Median = average of middle most numbers = \dfrac{2+3}{2}=\dfrac52=2.5

Mode = most repeated number = 2    (thrice)

geometric mean = \sqrt[n]{x_1\times x_2\times.... x_n}

10 is an outlier as it is very large as compare to other numbers.

When outlier is present in data , the median is the most appropriate measure of central tendency.

Mean affected badly by the outlier so it the least appropriate.

4 0
3 years ago
I understand this question is really easy but the answer I found isn't one of the options and I have spent 30 minutes on this as
Virty [35]
Rose 40%
original=100%, now it is 140%

140% of original=now
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divide both sides by 1.4
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answer is C
other way

350/140=x/100
35/14=x/100
times both sides by 1400
3500=14x
divie both sides by 14
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C is answer
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kykrilka [37]

Answer:

x = 1/25 = 0.040

x = 10

x  =  0

b  =  0

Step-by-step explanation:

5 0
3 years ago
What is the value of.....example?
sertanlavr [38]
The answer is 2
-3.8+(-0.6)= -4.4
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4 years ago
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