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swat32
2 years ago
8

What is the mean absolute deviation of the data set?

Mathematics
1 answer:
soldi70 [24.7K]2 years ago
6 0
42 and 17 millionsth.....
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Given: D is the midpoint of AB; E is the midpoint of AC.
Thepotemich [5.8K]

Answer:

The lines DE and BC have the same slope, therefore the two lines, DE and BC, are parallel

Step-by-step explanation:

To prove that DE is parallel to BC, we have;

The slope, m of the lines DE and BC are found from the following equation;

Slope, \, m =\dfrac{y_{2}-y_{1}}{x_{2}-x_{1}}

Where;

(x₁, y₁) and (x₂, y₂) = (b, c) and (a + b + c) for DE, we have;

Slope, \, m =\dfrac{c - c}{a + b-b} = 0

Where we have (x₁, y₁) and (x₂, y₂) = (0, 0) and (2a, 0) for BC, we have;

Slope, \, m =\dfrac{0 - 0}{2a-0} = 0

Therefore, because the lines DE and BC have the same slope, the two lines DE and BC are parallel.

5 0
3 years ago
Read 2 more answers
Find the initial point of the vector that is equivalent to vector u = (1,2) and whose terminal point is A(2,0)
ahrayia [7]
Subtracting the functions  

2,0-1,-2-----(1,-2)
7 0
3 years ago
What descibes the cross section of a cube that passes through a b c and d
Ulleksa [173]

Answer:A rectangle that is not a square

Step-by-step explanation:

8 0
3 years ago
10. An arithmetic sequence has this recursive formula. What is the explicit formula?​
Mrrafil [7]

Answer:

a_{n}=45-3n

Step-by-step explanation:

Method 1:

Arithmetic sequence is in the form

a_{n} =a_{1} +(n-1)d\\

d is the common difference, can be found by:

d=a_{n}-a_{n-1}=-3

Subtituting the a_{1} and d

You get:

a_{n}=42+(-3)(n-1)=45-3n

Method 2 (Mathematical induction):

Assume it is in form a_{n}=45-3n

Base step: a_{1} =45-3(1)=42

Inducive hypophesis: a_{n}=45-3n

GIven: a_{n+1} =a_{n}-3

a_{n+1}=45-3n-3=45-3(n+1)

Proved by mathematical induction

a_{n}=45-3n

5 0
3 years ago
A bread recipe calls for a flour to water ratio of 10 to 7. If 600 grams of flour is used in this recipe, how many grams of wate
polet [3.4K]
Grams of water
= (600/10) x 7
= 420
7 0
2 years ago
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