3 years ago

Each time you click the "FLIP" button, the

Mathematics

2 answers:

Sidana [21]3 years ago

6 0

Answer:

Step-by-step explanation:

Just did intro

igomit [66]3 years ago

6 0

Answer:

Step-by-step explanation:

just did it on edg

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s344n2d4d5 [400]

If $A$ is the matrix product

$A=\underbrace{\begin{pmatrix}1&2\\4&3\end{pmatrix}}_{M_1}\underbrace{\begin{pmatrix}6&1&5\\7&3&4\end{pmatrix}}_{M_2}$

and $a_{2,3}$ is the entry of $A$ in the second row and third column, then

$a_{2,3}=\begin{pmatrix}4&3\end{pmatrix}\begin{pmatrix}5\\4\end{pmatrix}=4\times5+3\times4=\boxed{32}$

That is, the 2nd row, 3rd column entry of $A$ is the product of the 2nd row of $M_1$ and the 3rd column of $M_2$ .

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3 years ago

Find all possible values of k so that x^2 + kx - 32 can be factored.

daser333 [38]

Answer:

Step-by-step explanation:

The posssible factors are

x^2 + 4x - 32

(x+8)(x-4)

x^2+ 14x - 32

(x+16)(x-2)

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4 years ago

8х + 9y = 20<br> х= -3y<br><br> HELP ASAP

Digiron [165]

Answer:

x=4, y=-4/3. (4, -4/3).

Step-by-step explanation:

8x+9y=20

x=-3y

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8(-3y)+9y=20

-24y+9y=20

-15y=20

y=20/-15

simplify

y=-4/3

x=-3(-4/3)=12/3=4

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3 years ago

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Step-by-step explanation:

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Musya8 [376]

Answer:

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3 years ago