2 years ago

One cell phone company offers a plan that costs $29.99 and includes unlimited night and weekend

Mathematics

1 answer:

tamaranim1 [39]2 years ago

8 0

Answer: 49.

It's 49 minutes

Step-by-step explanation:

I don't feel like explaining. It's 49 minutes.

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Fynjy0 [20]

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2 years ago

The matrix C=[1,-2_-3,7] was used to encode a phrase to [7,-28,-25,-35,-2_-21,107,90,123,17]. Find C^-1 and use it to decode the

posledela

$C= \left[\begin{array}{cc}1&-2\\-3&7\end{array}\right] \\ C^{-1}= \left[\begin{array}{cc}7&2\\3&1\end{array}\right] \\ \left[\begin{array}{cc}7&2\\3&1\end{array}\right] \times \left[\begin{array}{ccccc}7&-28&-25&-35&-2\\-21&107&90&123&17\end{array}\right] \\ =\left[\begin{array}{ccccc}49-42&-196+214&-175+180&-245+246&-14+34\\21-21&-84+107&-75+90&-105+123&-6+17\end{array}\right] \\ =\left[\begin{array}{ccccc}7&18&5&1&20\\0&23&15&18&11\end{array}\right]$
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2 years ago

1/2 of 118. #7 please help homework is due tomorrow

Sergio039 [100]

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2 years ago

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Convert y=-(x-3)^2+11 to standard form

Citrus2011 [14]

Y=−x2+6x+2 is the standard form of the equation you provided.

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