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Novay_Z [31]
3 years ago
5

What is the sum of r? - 3x + 7 and 3x2 + 5x - 9?

Mathematics
1 answer:
sergij07 [2.7K]3 years ago
5 0

Answer:

3 x 2 + 2 x − 2

Step-by-step explanation:

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If possible, find AB. & State the dimension of the result.
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Answer:

Step-by-step explanation:

A=\begin{bmatrix}0 &0  &5 \\ 0 &0 &-3 \\ 0 &0  &3 \end{bmatrix}

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A.B = A × B

A.B=\begin{bmatrix}0 &0  &0 \\ 0 &0  &0 \\ 0 &0  &0 \end{bmatrix}

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3 years ago
Can somebody please help me its for a test grade :((
skelet666 [1.2K]

Answer:

B

Step-by-step explanation:

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2 years ago
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A number, y, is five times another number, x. The sum of the two numbers is 42. Write the system of equations.
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Answer:

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Step-by-step explanation:

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2 years ago
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3 0
3 years ago
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