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Olin [163]
3 years ago
11

Alex earned scores of 60, 74,82,87,87,and 94 on his first six algebra tests. What is the relationship between the measures of ce

ntral tendency of these scores?
Mathematics
1 answer:
DiKsa [7]3 years ago
6 0

Answer:

mean <median <mode

Step-by-step explanation:

We must calculate the measures of central tendency, which are the mode, the mean and the median.

fashion, value that is most repeated, in this case 87

median, the mean value, how is an even number, the mean is the average of these central numbers, in this case it is 82 and 87

(82 + 87) / 2 = 84.5

average, is the average of all the data, we calculate it like this:

(60 + 74 +82 +87 +87+ 94) / 6 = 80.66

Therefore, the relationship would be like this:

mean <median <mode

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What is the area, in square inches, of the figure shown here?
andreev551 [17]
The area of the central rectangle = 5 * 3 = 15 ins^2

area of each triangle = 1/2*3*3 = 4.6 ins^2

Total area = 2*4.5 + 15  = 24 ins^2 (answer)
3 0
3 years ago
Read 2 more answers
A farmer from Whidbey Island: A man claims his whalebone can detect water. You design an experiment using a set of 4 cans, 3 emp
tatyana61 [14]

Answer:

The value is E(x) =  1.25

Step-by-step explanation:

From the question we are told that

The number of cans is n = 4

The number of can that are empty is N = 3

The number of can filled with water is k = 1

The number number of sets of cans is w = 5

Generally probability of detecting the correct can is mathematically represented as

p  =  \frac{k}{n}

=> p  =  \frac{1}{4}

=> p  = 0.25

Generally probability of not detecting the correct can is mathematically represented as

q =  1- p

q =  1- 0.25

q = 0.75

Generally the number of cans expected of the farmer to correctly identify by chance is mathematically represented as

E(x) =  w  *  p

=> E(x) =  5  * 0.75

=> E(x) =  1.25

5 0
2 years ago
Please help this is kind of confusing
nikdorinn [45]

Answer:

x=45

Step-by-step explanation:

Because angles that are vertical to each other are congruent that means 2x+6=96

    -6  -6  

2x=90

2(45)=90

8 0
2 years ago
-2 (m+1)=10 what is m
Keith_Richards [23]
-2m-2=10
-2m=12
m=-6,
or 
m+1=-5
m=-6
4 0
3 years ago
In rectangle abcd measure of angle d =(3x+15) measure b =(6x-42) find measure of angle a
slava [35]
5) So for parallelogram ABCD, ∠B ≅ ∠D, and ∠A ≅ ∠C. Further, ∠B and ∠A are supplementary (i.e., their sum is 180°), and ∠D and ∠C are also supplementary.
So, we have that m∠B = m∠D. Therefore, 
6x-42=3x+15\\3x=57\\x=19

Now, let's substitute for x back into the expression for either ∠B or ∠D to find it's angle measure.
m∠B = 6(19)-42=72
Now, remember that ∠B or ∠D are supplements of ∠A. 
So, m∠B + m∠A = 180°.
That means m∠A = 180° – 72° = 108°.
That seems reasonable, because A appears to be an obtuse angle.
6 0
3 years ago
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