3 years ago

Simplify the expression: -4x + 3y - 2x - 3y

Mathematics

1 answer:

oksian1 [2.3K]3 years ago

8 0

Answer:

-6y

Step-by-step explanation:

3y-3y=0

-4x-2x=-6x

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4 years ago

Read 2 more answers

Find the coordinates of P ' if D o, 2.4 (x,y) is applied to the triangle below

guajiro [1.7K]

Answer:

The coordinates of P' are (4.8,-4.8).

Step-by-step explanation:

The rule of dilation $D_{o,2.4}(x,y)$ represent the dilation with scale factor 2.4 and center at origin.

If the scale factor of the dilation is k and the center is (0,0), then

$(x,y)\rightarrow (kx,ky)$

Since the scale factor is 2.4, therefore

$(x,y)\rightarrow (2.4x,2.4y)$

From the given figure it is noticed that the coordinates of P are (2,-2). The coordinates of P' are

$P(2,-2)\rightarrow P'(2.4(2),2.4(-2))$

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Therefore the coordinates of P' are (4.8,-4.8).

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4 years ago