2 years ago

How many terms are in the expression 5a+1? 1 4 3 2

Mathematics

1 answer:

Studentka2010 [4]2 years ago

7 0

Answer:

I think the answer is 2

Step-by-step explanation:

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A rectangular block of material is on your dad’s desk that acts as a paperweight. The measurements are 3 cm times 4 cm times 6 c

Vika [28.1K]

Answer: Marble

Step-by-step explanation:

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6 0

3 years ago

30 Points!!

neonofarm [45]

Answer:

multiply the left side of the constant vector by the inverse matrix

Step-by-step explanation:

The matrix equation ...

AX = B

is solved by left-multiplying by the inverse of A:

A⁻¹AX = A⁻¹B

IX = A⁻¹B . . . . . the result of multiplying A⁻¹A is the identity matrix

X = A⁻¹B . . . . . B needs to be multiplied by the inverse matrix

$\left[\begin{array}{c}x&y\end{array}\right] = \left[\begin{array}{cc}-4&1\\3&2\end{array}\right]^{-1}\left[\begin{array}{c}9&7\end{array}\right]=\dfrac{1}{11}\left[\begin{array}{cc}-2&1\\3&4\end{array}\right]\left[\begin{array}{c}9&7\end{array}\right]=\left[\begin{array}{c}-1&5\end{array}\right]$