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bixtya [17]
3 years ago
8

The mean for the scores 17,19,19,23,26

Mathematics
2 answers:
Vadim26 [7]3 years ago
6 0

Answer:

the mean is 20.8.

Step-by-step explanation:

Add all the numbers to get 104. Then, divide it by how many score there were, 5. 104/4= 20.8

Dmitrij [34]3 years ago
4 0
<h2><em>Answer:</em></h2><h2><em>2</em><em>0</em><em>.</em><em>8</em></h2>

<em>Solution</em><em>,</em>

<em>Given </em><em>data:</em><em> </em><em>1</em><em>7</em><em>,</em><em>1</em><em>9</em><em>,</em><em>1</em><em>9</em><em>,</em><em>2</em><em>3</em><em>,</em><em>2</em><em>6</em>

<em>summationfX=</em><em>1</em><em>0</em><em>4</em>

<em>N(</em><em>total </em><em>no.</em><em>o</em><em>f</em><em> </em><em>items)</em><em>=</em><em>5</em>

<em>Now,</em>

<em>Mean</em><em>=</em><em>summation</em><em> </em><em>FX/</em><em>N</em>

<em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em>=</em><em>1</em><em>0</em><em>4</em><em>/</em><em>5</em>

<em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em>=</em><em>2</em><em>0</em><em>.</em><em>8</em>

<em>hope </em><em>it</em><em> helps</em>

<em>Good </em><em>luck</em><em> on</em><em> your</em><em> assignment</em><em> </em>

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kipiarov [429]

Answer:

a = 30

b = 40

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Step-by-step explanation:

This requires that you use a proportion.

a / (a + 15) = 40 / 60

The small triangle's sides are in proportion to the large triangles sides.

Reduce the right. Divide top and bottom by 20

a/(a + 15) = 40/20 // 60/20

a/(a + 15) = 2/3                    

Cross multiply

3a = 2(a + 15)            Remove the brackets on the right.

3a = 2a + 30

Subtract 2a from both sides

3a-2a = 30

a = 30

Find B

b is done exactly the same way.

b/(b+20) = 2/3

3b = 2b + 40

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3 0
3 years ago
A pair of $195 boots are discounted 40% If the boots are reduced in price by an additional 66 2/3% what will the discount price
UNO [17]
First, find the 40% discount.
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4 0
3 years ago
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damaskus [11]

the correct answer is 3/5

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