4 years ago

Graph the system equation 2x - y = 4 x - y= -2

1 answer:

8 0

Hello there!

You need to look for a calculator on the internet that can do that.

I used demos, it is not bad!

As always, it is my pleasure to help people like you!

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Simplify ( 5^2x7^4 ) 10

ch4aika [34]

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Step-by-step explanation:

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3 years ago

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A parabolic listening device is shaped such that the depth of the bowl depends on its radius and can be represented by the curve

faltersainse [42]

Answer:

$\large \boxed{\text{7.428 in}}$

Step-by-step explanation:

$\begin{array}{rcl}D & = & 0.145 r^{2}\\8 & = & 0.145 r^{2}\\55.17 & = & r^{2}\\r & = & \sqrt{55.17}\\& = & \textbf{7.428 in}\\\end{array}\\\text{The radius is $\large \boxed{\textbf{7.428 in}}$ when the depth is 8 in.}$