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iVinArrow [24]
3 years ago
6

Calculate the average (arithmetic mean) for the data set (rounded to the nearest tenth

Mathematics
1 answer:
Ugo [173]3 years ago
5 0

The right answer is 19.9

Step-by-step explanation:

Given data set is;

(18, 23, 17, 25, 15, 18, 18, 16, 27, 25, 18, 19)

Sum of terms = 18+23+17+25+15+18+18+16+27+25+18+19 = 239

Number of terms in data set = 12

Average = \frac{Sum\ of\ terms}{Number\ of\ terms}

Average = \frac{239}{12}

Average = 19.91

The average of data set is 19.91

The right answer is 19.9

Keywords: average, addition

Learn more about addition at:

  • brainly.com/question/9729310
  • brainly.com/question/9738996

#LearnwithBrainly

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PLEASE HELP!!!
AfilCa [17]

Answer:

h=\dfrac{10\sqrt{3}}{2}=5\sqrt{3}\ cm.

JP=5\sqrt{3}\ cm

Step-by-step explanation:

Connecting points O and E and points O and J, we get triangle EOJ. This triangle is equilateral triangle, because OJ=OE=JE=r=10 cm.

Since EP⊥IJ, then segment JP is the height of the triangle EOJ.

The height of the equilateral triangle can be found using formula

h=\dfrac{a\sqrt{3}}{2},

where a is the side length.

So,

h=\dfrac{10\sqrt{3}}{2}=5\sqrt{3}\ cm.

Therefore JP is 5√3 cm

3 0
3 years ago
Construct a triangle STU in which<br>LT=60o Lu=70° and TU = 7.5 cm<br>60°​
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3 years ago
Expression 9(2j + 7 + 5j).<br><br> Use the distributive property to create an equivalent expression
tamaranim1 [39]
Step by Step :
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8 0
3 years ago
Read 2 more answers
Evaluate the expression for<br> a = 26, b = 10, c = 9, d = 19:<br> a+b-c-d
Anettt [7]

Answer:

8

Step-by-step explanation:

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lets substitute the values of a, b, c and d in the equation:

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3 0
3 years ago
A sum amount <br>to rupees 34476 in two and a half years at 4% CI. the sum is ​
Kruka [31]

Given:

Amount = Rs. 34476

Rate of compound interest = 4%

Time = 2\dfrac{1}{2}=2.5 years

To find:

The principal value.

Solution:

Formula for amount is

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Where, P is principal value, r is rate of interest and t is time in years.

Putting the given values, we  get

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Now,

P=31256.0090

P\approx 31256

Therefore, the value of sum or principal value is Rs.31256.

6 0
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