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Tju [1.3M]
3 years ago
7

Which number line shows the solution to N is less than -3

Mathematics
2 answers:
My name is Ann [436]3 years ago
6 0

Answer:

n < -3

Step-by-step explanation:

Circle on -3 pointing to the left

Mkey [24]3 years ago
5 0

Answer:

n < -3

Open Circle on -3 pointing to the left.

Step-by-step explanation:

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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 " ;

___________________________________________

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
3 years ago
Read 2 more answers
What is the solution to the system of equations?<br> 7x + 3y = -11<br> 2x + 5y=1
marta [7]

Answer:

x = -2 and y = 1

Step-by-step explanation:

for details see image

7 0
3 years ago
IM CONFUSED AGAIN- i hate math
allochka39001 [22]

Answer: 1:50

The scale factor is 5/250 = 1/50

3 0
3 years ago
Read 2 more answers
4x + 5y = 3<br>kx + 15y = 9 find k<br>​
9966 [12]

Answer:

12

Step-by-step explanation:

4x + 5y = 3 ................ (i)

kx + 15y = 9................(ii)

Dividing eqn (ii) by 3, we get,

k/3 x + 5y = 3.............(iii)

Subtracting eqn (iii) by eqn (i), we get,

-4x - k/3 x = 0

or, -(4 - k/3 )x = 0

or, 4 - k/3 = 0/x

or, 4 - k/3 = 0

or, 4 = k/3

or, k = 4*3

:. k = 12 (Ans)

6 0
3 years ago
What are the angles?
mezya [45]

Answer:

a = c

b = d

c = a

d = b

hope it helps

8 0
2 years ago
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