4 years ago

Y-7=3(x+4) how is this graphed

Mathematics

1 answer:

never [62]4 years ago

6 0

There you gooooooooo. Hope this helps

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The sum of two numbers is 126 and their difference is 42. what are two numbers

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Step-by-step explanation:

$x,\ y-numbers\\\\\text{The system of equations:}\\\\\underline{+\left\{\begin{array}{ccc}x+y=126\\x-y=42\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad2x=168\qquad\text{divide both sides by 2}\\.\qquad x=84\\\\\\\text{Put the value of}\ x\ \text{to the first equation:}\\\\84+y=126\qquad\text{subtract 84 from both sides}\\y=42$

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What is the solution of the following trig equation: tan(theta)(csc(theta)+2)=0

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$D:\theta\neq\frac{k\pi}{2};\ k\in\mathbb{Z}\\\\tan\theta(csc\theta+2)=0\iff tan\theta=0\ \vee\ csc\theta+2=0\\\\\\tan\theta=0\iff\theta=k\pi\notin D\\\\csc\theta+2=0\\\\csc\theta=-2\\\\\frac{1}{sin\theta}=-2\\\\-2sin\theta=1\ /:(-2)\\\\sin\theta=-\frac{1}{2}$

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A recipe calls for 1 /3 cup of sugar 2 cups of flour. How many cups of flour do you need to add 3 cups of sugar?

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