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slega [8]
3 years ago
12

/10

Mathematics
1 answer:
Dmitry [639]3 years ago
3 0

Answer:

The average rate will be -11000 dollars per year.

Step-by-step explanation:

The price of a house in 2005 = $250,000

The  price of a house in 2010 = $195,000

at x₁ = 2005, f(x₁) = 250,000

at x₂ = 2010,  f(x₂) = 195,000

Using the formula to determine the average rate of change for the

house each year.

Average rate = [f(x₂) - f(x₁)] / [ x₂ - x₁]

                      = [195,000 - 250,000 ] / [2010-2005]

                      = -55000 / 5

                      = -11000

Therefore, the average rate will be -11000 dollars per year.

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Which of the following gives a valid reason for using the given solution method to solve the system of equations shown?
VikaD [51]

Answer:

C

Step-by-step explanation:

8 0
3 years ago
Evaluate 6g +1 for g =7
nikitadnepr [17]

Answer:

43

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3 0
3 years ago
Read 2 more answers
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hichkok12 [17]

Answer:

The coordinates of C(22/3, 7)

Step-by-step explanation:

Partitioning between two points A and B in the ratio a:b.

The x-coordinate of the point of partition C is found at

XC = XA*(b/(a+b)+XB(a/(a+b) ..............(1)

Similarly, the x-coordinate of the point of partition is found at

YC = YA*(b/(a+b)+YB(a/(a+b)...............(2)

Given A(8,8), B(4,2), partition ratio of A:B = 1:5,

substitute in (1)

XC = 8*5/6+4*1/6 = 44/6 = 22/3

YC = 8*5/6 + 2*1/6 = 42/6 = 7

The coordinates of C(22/3, 7)

7 0
3 years ago
An identification code is to consist of 3 letters followed by 2 digits. Determine the following
kirill [66]
Well let's see:

The first letter can be any one of 26 .
       For each one . . .
The second letter can be any one of the remaining 25.
       For each one . . .
The third letter can be any one of the remaining 24.
       For each one . . .
The two digits can be any number from 01 to 98 ...
       except 11, 22, 33, 44, 55, 66, 77, or 88.  (No repetition.)
      There are 90 of them.

So the total number of possibilities is    (26 · 25 · 24 · 90) .

When I multiply that out, I get   1,404,000 .

I don't know how you got your number, so I can't comment on your
method, but I did find something interesting about your number:

If I assume that you did the three letters the same way I did, then
if I divide your number by  (26·25·24), the quotient will show me
how you handled the two digits.

                         1,263,600 / (26·25·24)  =  81 .

That's very intriguing, because it's so close to the 90 sets of digits
that I used.  But I don't know what it means, or if it means anything
at all.
7 0
3 years ago
Read 2 more answers
What is the median of the lengths of Kate's workout
Alik [6]
Arranging them in ascending order :
21 , 21 , 30 , 44,  49,  52


Median = (30 + 44) ÷ 2
Median = 37 mins

------------------------------------------------------------------
Answer: Median = 37 mins (Answer D)
------------------------------------------------------------------

4 0
3 years ago
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