# All Questions +0163367 Questions

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### Inverses of Matrices!!

Guest Oct 9, 2019
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### math help

Guest Oct 9, 2019
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### why -1 to any degree = -1

Guest Oct 9, 2019
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### Let $\mathbf{v}$ and $\mathbf{w}$ be vectors such that \[\operatorname{proj}_{\bold{w}}( \bold{v} )= \begin{pmatrix} 4 \\ -7 \end{pmatrix}.\

Guest Oct 9, 2019
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### Find the reasonable domain and range for the function

macabresubwoofer  Oct 9, 2019
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### circle application help

Guest Oct 9, 2019
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### Let C be the circle with equation . If (a,b) is the center of C\$ and r is its radius, what is the value of a+b+r?

Guest Oct 9, 2019
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### HELP PLEASE . A parabola with equation y=x^2+bx+c passes through the points (2,3) and (4,3). What is c?

Guest Oct 9, 2019
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### Which graph represents the piecewise-defined function?

Guest Oct 9, 2019
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### HELP ASAP PLS . How many y-intercepts does the graph of the parabola x = y^2 - 4y - 1 have?

Guest Oct 9, 2019