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jok3333 [9.3K]
3 years ago
11

21x - 17x +19 = y Solve for x

Mathematics
1 answer:
Serggg [28]3 years ago
7 0
X= y/21 -2/21
Hope it helps :)
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Find the sum of 12a + 7b, −6a − 9, and 14a − 12b.
Ivan
The answer is:  [A]:  " 20a − 5b − 9 " .
______________________________________
Explanation:
_______________________________________________
  (12a <span>+ 7b) + (−6a − 9) + (14a − 12b) =
 
   12a </span><span>+ 7b  +  1(−6a − 9) + 1(14a − 12b) =
</span>    
   12a + 7b + (1*-6a) + (1*-9) + (1*14a) + (1* -12b) =
      
    12a + 7b − 6a − 9 + 14a − 12b =  ?

Combine the "like terms:

12a − 6a  + 14a = 20a ; 

7b − 12b =  - 5b ;

and then we have "-9" ;
_____________________________________________________
So, write as:   " 20a − 5b − 9 " ;  which is:  Answer choice:  [A].
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8 0
3 years ago
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Which of these two people are more attractive?
muminat

Answer: In my honest opinion, I think they’re both beautiful. Everybody has at least one unique thing that the other person doesn’t.

6 0
3 years ago
Is 2.11 a repeating decimal
Sergeu [11.5K]

Answer:

No, 2.11 is not a repeating decimal. A repeating decimal is one which goes on forever, but you can easily see that 2.11 ends.

Hope this helps :)

4 0
4 years ago
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The function f(x)= 3(1.4)' gives the length (in inches) of an image after being enlarged by 10% x times.
kondaur [170]

Answer:

3.99 inches

Step-by-step explanation:

<u><em>The correct question is</em></u>

The function f(x) = 3(1.1)^x gives the length (in inches) of an image after being enlarged by 10% x times.

What is the length of the image after it has been enlarged 3 times? Round your answer to the nearest  hundredth

we have

f(x)=3(1.1)^x

This is a exponential growth function

where

f(x) represent the length (in inches) of an image

x is the number of times the image is enlarged

so

For x=3

substitute in the exponential equation

f(x)=3(1.1)^3=3.99\ in

4 0
3 years ago
Helpppppp meeeeeeeee
user100 [1]

Answer:

34 1/3

Step-by-step explanation:

5 0
3 years ago
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