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3 years ago

Simplify the following expression using the distributive property: 2x(y+ 3xy + 4x + 3)

Mathematics

1 answer:

Sidana [21]3 years ago

8 0

6 x 3 y − 9 x 3 y 2 + 12 x 4 y 3

Step-by-step explanation:

I've had this before

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Determine the horizontal change of a line with an x-intercept at (-5, 0) and a y-intercept at (0, 4). Type a numerical answer in

klasskru [66]

Answer:

Step-by-step explanation:

The difference of x-values is the horizontal change:

0 -(-5) = 5

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4 years ago

Find BC AC = 7 BD = 7.5 DE = 1.5 AE = 11

tatuchka [14]

CE=AE-AC=4

CD=CE-DE=4-1.5=2.5

BC=BD-CD=7.5-2.5=5

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4 years ago

In what ways do advertisers in magazines use sexual imagery to appeal to youth? One study classified each of 1500 full-page or l

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3 years ago

) Find the coordinates of the point A' which is the symmetric point

soldier1979 [14.2K]

Let, coordinate of point A' is (x,y).

Since, A' is the symmetric point A(3, 2) with respect to the line 2x + y - 12 = 0.

So, slope of line containing A and A' will be perpendicular to the line 2x + y - 12 = 0 and also their center lies in the line too.

Now, their center is given by :

$C( \dfrac{x+3}{2}, \dfrac{y+2}{2})$

Also, product of slope will be -1 .( Since, they are parallel )

$\dfrac{y-2}{x-3} \times -2 = -1\\\\2y - 4 = x - 3\\\\2y - x = 1$

x = 2y - 1

So, $C( \dfrac{2y -1 +3}{2}, \dfrac{y+2}{2})\\\\C( \dfrac{2y + 2}{2}, \dfrac{y+2}{2})$

Also, C satisfy given line :

$2\times ( \dfrac{2y + 2}{2}) + \dfrac{y+2}{2} = 12\\\\4y + 4 + y + 2 = 24\\\\5y = 18\\\\y = \dfrac{18}{5}$

Also,

$x = 2\times \dfrac{18}{5 } - 1\\\\x = \dfrac{31}{5}$

Therefore, the symmetric points is $A'(\dfrac{31}{5}, \dfrac{18}{5})$ .

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3 years ago

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UNO [17]

Answer:

Step-by-step explanation:

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3 years ago