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frutty [35]
3 years ago
6

"Twenty-eight is more than four times another number" can be shown by the inequality 28 > 4n. Select the values of n which co

uld possibly make this a true statement.
choose all answers that are correct.....

A. n>7
B.4
C.8 1/3
D7
Mathematics
1 answer:
Virty [35]3 years ago
6 0
The only accurate answer would be B. 7×4 is 28 so 28 isn't greater. So it can't be any number higher than 6 and the only one lower than 6 is 4
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if the product of 4 and a number is decreased by 12, the result is twice the opposite of the number. Find the number. EXPLAIN PL
ELEN [110]
Answer:  The number is:  "2 " .
__________________________________________
Explanation:
__________________________________________
Write the expression; which is an equation, as follows:
__________________________________________
     " 4x <span>− 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 " ;
</span>___________________________________________
Rewrite as:  " 4x <span>− 12 = -2x " ;
</span>_____________________________________________
     →  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!
 __________________________________________________    
6 0
3 years ago
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PtichkaEL [24]

Answer:

=36-m^4

Step-by-step explanation:

8 0
2 years ago
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Fudgin [204]

Answer:

The domain is the number of gallons and the range is the distance traveled.

Since the car can travel 30 miles one gallon of gas, we multiply by 12 to get the distance the car can travel in 12 gallons of gas.


5 0
3 years ago
-2 (x - 3) + 6 = - (x + 5) <br> Solve for x and SHOW WORK please :)
Alex17521 [72]

Answer:

x=17

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Plz help me!!!!!i need to get this correct plz help!!!
____ [38]

Answer:

Yes

Step-by-step explanation:

Yes they are because if you divide 18 by 3 you get six and if you divide 15 by 3 you get 5, so it simplifies to 6:3 which is the same as the ratio for rings

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