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ycow [4]
3 years ago
8

5(3+7)-5, describe the relationship between the digits 5 and the parentheses, then solve it.

Mathematics
1 answer:
Inga [223]3 years ago
5 0
I don't know how to answer the first part but i'll solve it.
5(3+7)-5
5(10)-5
5x10-5
50-5
45
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What is the inverse of f(x)=(x-5)^2 for x greater or equal to 5 where function g is the inverse of function f
koban [17]

Answer:


y=\sqrt{x}+5

Step-by-step explanation:


The inverse of a function, is the function or rule formed by reflecting the line over y=x. This means essentially that all (x,y) values from the original function switch to (y,x).


(x,y)--->(y,x) in the new function.


If the function has points (-3,4) and (5,-2) then the inverse has points (4,-3) and (-2, 5).


We can find the equation of the inverse by switching x and y in the equation and solving for y.

This means that y=(x-5)^2 becomes x=(y-5)^2. We now solve for y through inverse operations.

x=(y-5)^2

x=(y-5)^2\\\sqrt{x} =\sqrt{(y-5)^2} \\\sqrt{x} =y-5\\\sqrt{x} +5=y

6 0
3 years ago
29.
Elis [28]

Answer:

Sum of their present ages  = 20 years

Step-by-step explanation:

Present age :

   Neha's age = x years

Reemas' age = x - 4

After 5 years:

       Neha's age = (x +5) years

       Reemas' age = (x - 4 + 5 ) = x + 1

Sum of the ages of Reema and Neha will be 30

Therefore,    

x + 5  + x + 1 = 30

x + x + 5 + 1 = 30

   2x +  6    = 30

            2x = 30 - 6

           2x = 24

             x = 24/2

            x = 12

Neha's age = 12 years

Reema's age = 12 - 4 = 8 years

Sum of their present ages = 12 + 8 = 20 years

4 0
3 years ago
All people share the same top priorities.<br> O<br> A. True<br> O<br> B. False
wariber [46]

Answer:

I think the answer is false but im not sure

Step-by-step explanation:

i hope this helps

6 0
4 years ago
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Which structure is found in some but not all plant cells?
solniwko [45]
Iysosome. I mean that was easy
4 0
3 years ago
How much money is 6 2/3% of $24.00?
marta [7]
Percent means per one-hundred.  change the mixed number to an improper fraction.  rule:

a b/c=(ac+b)/c

20/3  and as a percent p/100 this is:

20/300 so

24(20/300)

480/300

$1.60
8 0
3 years ago
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