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Veronika [31]
2 years ago
9

11. The ages (in years) of 11 children and the number of words in their vocabulary. Find the correlation coefficient r.

Mathematics
1 answer:
ludmilkaskok [199]2 years ago
8 0
Start from the bottom now u there 110 languages and 3
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When the inputs are 1 and 0, the output is zero.

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Math question down below
Kipish [7]
Answer: 6928

----------------------------------------------------------

Explanation: 

We have two areas we need to find: The area of the trapezoid and the area of the rectangle. Let's call these areas A1 and A2.

Area of Trapezoid = (height)*(base1+base2)/2
A1 = h*(b1+b2)/2
A1 = 80*(150+100)/2
A1 = 80*250/2
A1 = 20000
A1 = 10000

Area of Rectangle = (length)*(width)
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D = A1 - A2
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This difference D is exactly equal to the shaded area. 


3 0
3 years ago
Customers of a phone company can choose between two service plans for long distance calls. The first plan has no monthly fee but
hram777 [196]

Answer:

\\x= P/(c -d)[/tex],

Assume that the price of each minute in the first plan is $c and that the second plan charges a flat rate of $P and a charge  of additional $d for every minute.

Step-by-step explanation

Assume that the price of each minute in the first plan is $c and that the second plan charges a flat rate of $P and a charge  of additional $d for every minute.

Thus, the monthly cost of a customer who consumes x minutes in each plan is:

For the first plan: cx

and for the second plan: P + dx

Considering that the monthly costs must be the same in each plan, you have to:

cx = P + dx\\ transposing terms\\cx - dx = P\\   applying common factor\\(c -d)x = P\\ dividing by [tex]c - d

\\x= P/(c -d)[/tex].

For example if c = $2; d = $1 y P = $10, Then the number of minutes would be, x=10  and the total cost for each plan would be $20

5 0
3 years ago
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