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3 years ago

A sink contains 16 liters of water before the drain is opened. It drains at a rate of 2 liters per minute.

Mathematics

1 answer:

AysviL [449]3 years ago

6 0

Answer:

Step-by-step explanation:

16 liters divided by 2 liters a minute you get 8

also i would do a graph but there is no way of putting it up with my answer i hope this helps a little if it doesnt im sorry

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A line passes through (10,4) and (13,-11). Write the equation of the line in standard form.

AlexFokin [52]

$\bf (\stackrel{x_1}{10}~,~\stackrel{y_1}{4})\qquad (\stackrel{x_2}{13}~,~\stackrel{y_2}{-11}) \\\\\\ slope = m\implies \cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{-11-4}{13-10}\implies \cfrac{-15}{3}\implies -5 \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-4=-5(x-10)$

now

standard form for a linear equation means

• all coefficients must be integers, no fractions

• only the constant on the right-hand-side

• all variables on the left-hand-side, sorted

• "x" must not have a negative coefficient

therefore,

$\bf y-4=-5(x-10)\implies y-4=-5x+50\implies \blacktriangleright 5x+y=54 \blacktriangleleft$

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3 years ago

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Fudgin [204]

C) alcohol because drunk driving

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3 years ago

What is the length of segment BC? (4 points)

valkas [14]

Answer:

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Step-by-step explanation:

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Read 2 more answers

What is the solution of 2x^2+8=x^2-16

AfilCa [17]

Answer:

x = -12

Step-by-step explanation:

2x^2 + 8 = x^2 - 16

2x + 2x + 8 = x + x - 16

4x + 8 = 2x - 16

-2x -2x

2x + 8 = -16

-8 -8

2x = -24

---- ------

2 2

x = -12

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3 years ago

Two step equations <br> 6=a/4+2

anygoal [31]

6=a/4+2
4=a/4
4*4=a
16=a

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