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galina1969 [7]
3 years ago
12

Choose all the fractions that are equivalent to 1/7

Mathematics
2 answers:
valentinak56 [21]3 years ago
5 0

2/14, 4/28, 5 /35,  you must divide 2÷2/14/2 = 1/7

and of this form you must divide all the other fractions  

Snezhnost [94]3 years ago
4 0

Answer:

4/28

2/14

5/35

Step-by-step explanation:

HOPE THIS HELPS.

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The product of 4 and a number f decreased by 2 is 15
Debora [2.8K]

Answer:  The number is:  "2 " .

__________________________________________

Step-by-step explanation:

__________________________________________

Write the expression; which is an equation, as follows:

__________________________________________

    " 4x − 12 = 2(-x) " ;  in which "x" represents "the number for which we shall                                       solve" .

___________________________________________

Note:  

If the "number" = "x" ;  the "opposite of the number"  =  " -x " ;

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Rewrite as:  " 4x − 12 = -2x " ;

_____________________________________________

    →  Add "12" ; & add "2x" ; to EACH SIDE of the equation:

                     4x − 12 + 12 + 2x = -2x + 12 + 2x ;

          to get:    6x  = 12  ;

____________________________________________________

Now, divide each side of the equation by "6" ;

    to isolate "x" on one side of the equation; & to solve for "x" ;

____________________________________________________

                        6x / 6  =  12 / 6 ;

                   to get:    x = 2 .

____________________________________________________

Answer:  The number is:  "2 " .

____________________________________________________

Let us check our answer, by plugging in "2" for "x" in our original equation:

_____________________________________________________

       →   " 4x − 12 = 2(-x) " ;

 Let us plug in "2" for "x" ; to see if the equation holds true; that is; if both side of the equation are equal; when "x = 2" ;

       →   " 4(2) − 12 = ?  2(-2) ??

       →    8 − 12 = ?  -4 ? ;

       →    -4 = ? -4 ??  Yes!

__________________________________________________    

7 0
2 years ago
Read 2 more answers
Sara is 9 years younger than her brother, Michael. The sum of their ages is 47 years. How old is Sara and how old is her brother
kotykmax [81]

Answer:

Michael is 38 and Sara is 29

Step-by-step explanation:

Because it says the sum of their age is 47 you do 47-9=38 so that would be Michael's age and than because Sara is 9 years younger than him and then you would do 38-9=29

7 0
2 years ago
Question 1 of 10
sp2606 [1]

20 raise the power 7

Step-by-step explanation:

Which clearly means 20 × itself 7 times

3 0
2 years ago
Please help I'm in need.
Snezhnost [94]
The last one is correct!
8 0
2 years ago
Read 2 more answers
Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar.
Mariulka [41]

Answer:

The answer is 55 6/9, but when simplified, it is 55 1/3

4 0
2 years ago
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