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melisa1 [442]
2 years ago
15

Ms. Amos has a rectangular pool table and Ms. Wheeler has a miniature ping pong table in the shape of a rectangle.

Mathematics
1 answer:
ANTONII [103]2 years ago
4 0

Answer:

60

Step-by-step explanation:

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2<br>If A=<br>4 3<br>find A1 using<br>elementary row operations.​
MA_775_DIABLO [31]

Answer:   A^{-1}=\left[\begin{array}{cc}\frac{3}{2}&-\frac{1}{2}\\-2&1\end{array}\right]

<u>Step-by-step explanation:</u>

                  \left[\begin{array}{cc}2&1\\4&3\end{array}\right]=\left[\begin{array}{cc}1&0\\0&1\end{array}\right]

\dfrac{1}{2}Row\ 1\rightarrow\left[\begin{array}{cc}1&\frac{1}{2}\\4&3\end{array}\right]=\left[\begin{array}{cc}\frac{1}{2}&0\\0&1\end{array}\right]

Row\ 2 -4 \ Row\ 1\rightarrow \left[\begin{array}{cc}1&\frac{1}{2}\\0&1\end{array}\right]=\left[\begin{array}{cc}\frac{1}{2}&0\\-2&1\end{array}\right]

Row\ 1-\dfrac{1}{2}\ Row\ 2 \rightarrow \left[\begin{array}{cc}1&0\\0&1\end{array}\right]=\left[\begin{array}{cc}\frac{3}{2}&-\frac{1}{2}\\-2&1\end{array}\right]

5 0
3 years ago
A number cube is rolled 14 times and the results are recorded in the table.
marshall27 [118]

Answer:

D.5/14

Because 4 appeared five times over the total

8 0
2 years ago
Now consider just the second sentence of the multistep word problem. Sentence 2: If four times the brother's age is subtracted f
Natalka [10]

Answer:

4b - 3s = 40

4b = 40 + 3s

b = 40 - 3s/4

4b - 3s = 40

4b - 40 =3s

4b - 40 /3 = s

8 0
3 years ago
F(x)=\sqrt{\frac{20 x}{x^2-49}}
Lyrx [107]

Answer:

Great use of desmos! But since one line doesn't touch the x- axis it would have to be +infinity. the other line does touch at (0,0) so the x would be 0. This is a question that you should ask your teacher about for sure.

Sorry I cant be more help!


8 0
3 years ago
Help me please Asap
Eduardwww [97]

Answer:

it is the last one {-4, -1, 0, 1, 2}

Step-by-step explanation:

6 0
2 years ago
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