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kirill [66]
3 years ago
14

(8b+12)+(3n+6)+(9b-4)

Mathematics
2 answers:
charle [14.2K]3 years ago
7 0

Answer:

Step-by-step explanation:

(8b+12)+(3n+6)+(9b-4)

Remove the parentheses:

8b+12+3n+6+9b-4

Group like terms:

8b+9b+3n+12+6-4

Add the similar element:8b+9b=17b

=17b+3n+12+6-4

add/subtract the numbers:12+6-4=14

=17b+3n+14

Bas_tet [7]3 years ago
5 0

Answer:

17b+3n+14

Step-by-step explanation:

no any step

okk

finished

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Step-by-step explanation:

4 0
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which of the fallowing functions has a slope 3/2 and contains the midpoint segment between (6, 3) and (-2, 11)?
kolbaska11 [484]
Well, we know the slope is 3/2, what's the midpoint of those anyway?

\bf \textit{middle point of 2 points }\\ \quad \\
\begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
%  (a,b)
&({{ 6}}\quad ,&{{ 3}})\quad 
%  (c,d)
&({{ -2}}\quad ,&{{ 11}})
\end{array}\qquad
%   coordinates of midpoint 
\left(\cfrac{{{ x_2}} + {{ x_1}}}{2}\quad ,\quad \cfrac{{{ y_2}} + {{ y_1}}}{2} \right)
\\\\\\
\left( \cfrac{-2+6}{2}~~,~~\cfrac{11+3}{2} \right)\implies (2,7)

so, what's the equation of a line whose slope is 3/2 and runs through 2,7?

\bf \begin{array}{lllll}
&x_1&y_1\\
%   (a,b)
&({{ 2}}\quad ,&{{ 7}})
\end{array}
\\\\\\
% slope  = m
slope = {{ m}}= \cfrac{rise}{run} \implies \cfrac{3}{2}
\\\\\\
% point-slope intercept
\stackrel{\textit{point-slope form}}{y-{{ y_1}}={{ m}}(x-{{ x_1}})}\implies y-7=\cfrac{3}{2}(x-2)
\\\\\\
y-7=\cfrac{3}{2}x-3\implies y=\cfrac{3}{2}x+4
4 0
3 years ago
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aleksley [76]

Answer:

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Step-by-step explanation:

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divide both sides by 2

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divide b by 2, square it -- (b/2)², and add it to both sides

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factor the expression on the left -- this will be [x - (b/2)]²

(x - 1)² = 16

find the square root of both sides

x - 1 = ±4

add 1 to both sides

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8 0
3 years ago
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Step-by-step explanation:

hope this helps

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