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MatroZZZ [7]
3 years ago
14

Which expression is equivalent to 1/3(12x+6x-21)

Mathematics
1 answer:
marin [14]3 years ago
4 0

Answer:

6x-7

Step-by-step explanation:

\frac{1}{3} (12x + 6x -21)

break it into pieces

\frac{1}{3}*12x = 4x

\frac{1}{3}*6x=2x

\frac{1}{3} *-21=-7

put it all together

*since there's no negative in front  of the other numbers except 7 they're positive so you add them*

4x + 2x - 7

simplify

6x - 7

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3 years ago
34. Which is the rule for the linear<br> function graphed below?
Ivahew [28]

Answer:

We can note that this part of the graph is a linear function. This means that is has a general form: y = mx + c where m is the slop and c is the y-intercept (value of y at x=0). For the slope, we will use the points (0,2) and (3,5) to calculate it as follows: m = (y2-y1)/(x2-x1) = (5-2)/(3-0) = 1 For the y-intercept, we can note that at x=0, the value of y is 2. This means that the equation of the first part of the graph is: y = x + 2

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finlep [7]

Answer:

=x^2 +4x+11

Step-by-step explanation:

f(x) = x^2 + 7,

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     FOIL

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Combine like terms

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5 0
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Answer:

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Step-by-step explanation:

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7 0
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