2 years ago

Fwam answered 149 questions correctly on his multiple choice science final that had

1 answer:

6 0

Answer:

he answered 74.5% of questions correctly

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swat32

You equal each to zero, so -6,0,3,7

3 0

2 years ago

solniwko [45]

The entry in row 1, column 1 of $\mathbf{AB}$ is

$\begin{bmatrix}2&4\end{bmatrix}\begin{bmatrix}5\\6\end{bmatrix}=2\cdot5+4\cdot6=34$

(i.e. the dot product of row 1 of $\mathbf A$ and column 1 of $\mathbf B$ )

The entry in row 1, column 2 of $\mathbf{AB}$ is

$\begin{bmatrix}2&4\end{bmatrix}\begin{bmatrix}-9\\-4\end{bmatrix}=2\cdot(-9)+4\cdot(-4)=-34$

The second option is the correct answer.

5 0

2 years ago

andriy [413]

The answer is b because Iy calculations add up

7 0

2 years ago

worty [1.4K]

Where's the equation ?

3 0

2 years ago

weqwewe [10]

Step-by-step explanation:

(xy)(xy)(xy)(xy)(xy)(xy)(xy)

(-ab)(-ab)(-ab)(-ab)(-ab)(-ab)

8 0

1 year ago