Can someone help me with #3? Please and thank you.

Mathematics

2 answers:

irga5000 [103]3 years ago

8 0

The answer is 42 cause you do ( 18*28=12x) wich is 504=12x which equals 42

Dahasolnce [82]3 years ago

7 0

Assuming that this is a proportional question, the answer would be 42.
I hope this helps you.

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What is the x intercept of the equation that passes through (1,-6) and is perpendicular to y=1/3x +1

fomenos

$\bf y=\stackrel{slope}{\cfrac{1}{3}}x+1\impliedby \textit{slope of this line, so a perpendicular will be}
\\\\\\
\textit{perpendicular, negative-reciprocal slope for}\quad \cfrac{1}{3}\\\\
negative\implies -\cfrac{1}{ 3}\qquad reciprocal\implies - \cfrac{ 3}{1}\implies -3\\\\
-------------------------------\\\\
\begin{array}{ccccccccc}
&&x_1&&y_1\\
&&(~1 &,& -6~)
\end{array}$

$\bf slope = m\implies -3
\\\\\\
% point-slope intercept
\stackrel{\textit{point-slope form}}{y- y_1= m(x- x_1)}\implies y-(-6)=-3(x-1)
\\\\\\
y+6=-3x+3\implies 0+6=-3x+3\implies 3=-3x\implies \cfrac{3}{-3}=x
\\\\\\
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3 years ago

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krek1111 [17]

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2 years ago

Write 0.111 in words if you want brainlist

dalvyx [7]

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Step-by-step explanation:

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8 months ago

50 POINTS! + BRAINLIEST! PLEASE HELP

makkiz [27]

slope = rise over run = y/x

A (-1,3) slope = 3/-1 = -3

B (1,2) slope = 2/1 = 2

C (-3,-1) slope = -1/-3 = 1/3

2 lines need to be negative reciprocals in order to be a right triangle

negative reciprocal of -3 is 1/3

so this is a right triangle

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Ksju [112]

Answer:

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Step-by-step explanation:

if you were looking for y's value

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