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Dmitriy789 [7]
4 years ago
5

What is the ratio 9 1/2 to 12 2/3

Mathematics
1 answer:
vivado [14]4 years ago
3 0
_ 9.5:12.6 That is the answer, btw the 6 is repeating
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(x÷(y÷z))÷((x÷y)÷z)<br>also the variables are not specified.
Bumek [7]
The answer is:  z² .
__________________________
Given: <span>(x÷(y÷z))÷((x÷y)÷z) ;  without any specified values for the variables; 
_______________________
we shall simplify.
___________________
We have: 
__________
</span>(x÷(y÷z))  /  ((x÷y)÷z) .
_____________________________________
Start with the first term; or,  "numerator":  (x÷(y÷z)) ;
_____________________________________
x  ÷ (y / z) = (x / 1) * (z / y) = (x * z) / (1 *y) =  [(xz) / y ] 
_____________________________________
Then, take the second term; or "denominator":
_____________________________________
((x ÷ y) ÷z ) = (x / y) / z =  (x / y) * (1 / z) = (x *1) / (y *z) = [x / (zy)]
_________________________________________
So (x÷(y÷z))  /  ((x÷y)÷z)  = (x÷(y÷z)) ÷  ((x÷y)÷z) =

 [(xz) / y ] ÷ [x / (zy)]  = [(xz) / y ] /  [x / (zy)] =
                                                                    [(xz) / y ] * [(zy) / x] ;
_______________________________________
                               The 2 (two) z's "cancel out" to "1" ; and
                                  The 2 (two) y's = "cancel out" to "1" ; 
______________________________________________
And we are left with: z * z = z² .  The answer is:  z² .
______________________________________________


4 0
4 years ago
A patient is given a 100-milligram dosage of a drug that decays exponentially at a rate of 11% per hour. Which equation could be
kakasveta [241]
Exponential functions can be expressed as:

f=ir^t, f=final value, i=initial value, r=rate or common ratio, t=term number or "time" when it is fractional...In this case we have:

f=100((100-11)/100)^x

f=100(0.89)^x and we want to solve for when f=15 so

15=100(0.89)^x
6 0
4 years ago
Someone please help I don’t get this at all
GrogVix [38]
I don’t know sorry but have a good day
5 0
3 years ago
Yes or no<br> Just pick one
Otrada [13]
I would like to pic yes :)
8 0
3 years ago
Read 2 more answers
Are all of these answers correct? The table is needed to complete the questions. Thanks!
jolli1 [7]
I think that is all good double check in case though 
7 0
4 years ago
Read 2 more answers
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