2 years ago

Anybody Know This. ?

Mathematics

2 answers:

ira [324]2 years ago

7 0

Answer:

Step-by-step explanation:

scoundrel [369]2 years ago

4 0

It would be answer choice C.

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Thats the horizontal distance between (-7,-4) (12,-4)

Svetradugi [14.3K]

The answer is 20.6 hope this helps

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2 years ago

Does anyone know the answer to this!?

PolarNik [594]

Answer:

$|A_y|=\left|\begin{array}{cc}12&7\\ \\17&-51\end{array}\right|$

Step-by-step explanation:

You can use these Cramer's formulas to solve for x and y:

$x=\dfrac{|A_x|}{|A|},\\ \\y=\dfrac{|A_y|}{|A|},$

where

$|A|=\left|\begin{array}{cc}12&-13\\ \\17&-22\end{array}\right|\\ \\ \\|A_x|=\left|\begin{array}{cc}7&-13\\ \\-51&-22\end{array}\right|\\ \\ \\|A_y|=\left|\begin{array}{cc}12&7\\ \\17&-51\end{array}\right|$

So,

$|A_y|=\left|\begin{array}{cc}12&7\\ \\17&-51\end{array}\right|$

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2 years ago

Let f (x ) = 3x² - 4 and let g (x) = 2x + 1. <br> Find the value of f[g(2)].

stepan [7]

Answer:

The value of f[g(2)] is 71.

Step-by-step explanation:

We need to find f[g(2)].

The first step is finding f[g(x)]

We have that:

$f(x) = 3x^{2} - 4$

$g(x) = 2x + 1$

To find f[g(x)], the first step is replacing each x is f by g(x). So

$f(g(x)) = 3(2x+1)^{2} - 4$

Now we replace x by 2

$f(g(2)) = 3(2*2+1)^{2} - 4 = 75 - 4 = 71$

The value of f[g(2)] is 71.

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2 years ago

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EleoNora [17]

Answer:

− 2 < x < 1

Step-by-step explanation:

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