Answer:
C.right circular cylinder
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Answer:
Books:Dollars = For each book it is $13. (1:13)
Minutes:Beats = For each minute there are 63 beats (1:63)
Step-by-step explanation:
Books and Dollars
- 2:26 can be reduced by 2
- 1:13
Minutes and Beats
- 3:195 can be reduced by 3
- 1:63
Answer:
x = -5; y = 4, z = 1
Step-by-step explanation:
Given the row echelon form as:
![\left[\begin{array}{cccc}1&0&\ \ 4|&-1\\0&1&-1|&3\\0&0&\ \ 1|&1\end{array}\right]](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bcccc%7D1%260%26%5C%20%5C%204%7C%26-1%5C%5C0%261%26-1%7C%263%5C%5C0%260%26%5C%20%5C%201%7C%261%5Cend%7Barray%7D%5Cright%5D)
This matrix can be represented as:
![\left[\begin{array}{ccc}1&0&4\\0&1&-1\\0&0&1\end{array}\right]\left[\begin{array}{c}x\\y\\z\end{array}\right] =\left[\begin{array}{c}-1\\3\\1\end{array}\right] \\\\Performing\ matrix\ multiplication\ gives:\\\\\left[\begin{array}{c}x+4z\\y-z\\z\end{array}\right] =\left[\begin{array}{c}-1\\3\\1\end{array}\right]](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D1%260%264%5C%5C0%261%26-1%5C%5C0%260%261%5Cend%7Barray%7D%5Cright%5D%5Cleft%5B%5Cbegin%7Barray%7D%7Bc%7Dx%5C%5Cy%5C%5Cz%5Cend%7Barray%7D%5Cright%5D%20%3D%5Cleft%5B%5Cbegin%7Barray%7D%7Bc%7D-1%5C%5C3%5C%5C1%5Cend%7Barray%7D%5Cright%5D%20%5C%5C%5C%5CPerforming%5C%20matrix%5C%20multiplication%5C%20gives%3A%5C%5C%5C%5C%5Cleft%5B%5Cbegin%7Barray%7D%7Bc%7Dx%2B4z%5C%5Cy-z%5C%5Cz%5Cend%7Barray%7D%5Cright%5D%20%3D%5Cleft%5B%5Cbegin%7Barray%7D%7Bc%7D-1%5C%5C3%5C%5C1%5Cend%7Barray%7D%5Cright%5D)
Therefore:
z = 1
y - z = 3;
y = 3 + z = 3 + 1 = 4.
Hence, y = 4
x + 4z = - 1;
x = -1 - 4z = -1 - 4(1) = -5
x = -5
$10740
This is because that amount multiplied times .06 is equal to the answer. <span />
Add the two together and divide the answer by 137.16 add it together
