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mariarad [96]
4 years ago
12

-6(-7+2x)-3x can you tell me

Mathematics
1 answer:
vovangra [49]4 years ago
7 0
-6(-7)-6(+2x)-3x

42-12x-3x

42-15x  ..............................................
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Solve the following system of equations by graphing. Then determine whether the system is consistent or inconsistent and whether
Olenka [21]

Recall that the slope-intercept form of the equations of a line is:

y=mx+b\text{.}

Taking both equations to their slope-intercept form we get:

\begin{gathered} 6x+6y-6x=-30-6x, \\ 6y=-30-6x, \\ \frac{6y}{6}=-\frac{30}{6}-\frac{6}{6}x, \\ y=-x-5\text{.} \end{gathered}\begin{gathered} 3x+3y-3x=-15-3x, \\ 3y=-15-3x, \\ \frac{3y}{3}=-\frac{15}{3}-\frac{3}{3}x, \\ y=-x-5. \end{gathered}

Notice that both equations are the same, therefore the system has infinitely many solutions, therefore it is consistent and dependent.

Answer:

Equations:

\begin{gathered} y=(-1)x+(-5), \\ y=(-1)x+(-5)\text{.} \end{gathered}

The system is consistent and dependent.

A solution to the system is (0,-5).

7 0
1 year ago
What are the terms in the expression 2x−4y+8 ?
rodikova [14]

Answer:

<u>The correct answer is D. 2x, -4y, and 8.</u>

Step-by-step explanation:

The concept of the terms of an equation is used for the monomials of each member participating in the equation. In Mathematics we distinguish between two types of terms:  

1. The terms in x: when the terms are accompanied by a literal.

2. The independent terms: when the terms are constituted by numerical elements.

4 0
4 years ago
)Marcus painted one-third of his bedroom in fourth-fifths of an hour. At this rate, how long would it take him the paint the ent
antoniya [11.8K]
1/3  =  4/5
2/3 =   4/5
3/3 =   4/5
-----------------
          12/5 = 2 and 2/5 of an hour 

2 hours and 24 mins
(i hope so, check my work)
4 0
4 years ago
What is 10+5x60 .<br><br> A) 10<br> B)130<br> C)6767<br> D)4545454545
Lynna [10]

Answer:

310

but it doesnt show as a possible answer from your list

Step-by-step explanation:

5x60 is 300

then add 10 to 300

you get 310

7 0
3 years ago
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The numerator of a fraction is 18 and the denominator is 8. All of the following numbers are equivalent except: a.9/4 b.2 1/4 c.
saveliy_v [14]
All of the following numbers are equivalent except: b. 2 1/4
4 0
3 years ago
Read 2 more answers
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