$8.40 is the amount to be subtracted from the $42.00. If you multiply 20% (.20) by $42.00 you get $8.40. To get your final price subtract $8.40 from $42.00 to get you final answer. I hope that helps.

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2 years ago

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What is the multiplicative identity matrix? What is it similar to in the set of real numbers? Explain your answer

bagirrra123 [75]

Answer:

An identity matrix, is a matrix that have '1' in the main diagonal. All of the other terms are '0'. When you multiply any matrix by the identity matrix, the result is the same matrix that you multiplied.

Example:

$\left[\begin{array}{ccc}1&0&0\\0&1&0\\0&0&1\end{array}\right]$

In the set of the real number is the same that the application of identity property.

Every number multiplied by 1 es the same number.

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7 0

2 years ago

Mrs. Peele placed 3 tulips and 4 daisies in a vase. If Mrs. Peele randomly selects 2 flowers for an arrangement without replacem

Grace [21]

Answer:

45 %

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8 0

2 years ago

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