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3 years ago

3 3ab - 5xy + 4ab+ 2yx

Mathematics

1 answer:

brilliants [131]3 years ago

5 0

Answer:

here is ur answer....

Step-by-step explanation:

3ab + 4ab - 5xy + 2yx

=7ab ‐ 5xy + 2yx

Therefore the answer is 7ab - 5xy + 2yx

Information:

We can't add or subtract the number with different variables.

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4 years ago

Is 3x + 2y = 5 direct variation

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3 years ago

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A triangle with vertices at A(0, 0), B(0, 4), and C(6, 0) is dilated to yield a triangle with vertices at A′(0, 0), B′(0, 10), a

sineoko [7]

ANSWER

The scale factor is
$2.5$

EXPLANATION

The given triangle has vertices,

$A(0,0),B(0,4),\:and\:C(6, 0)$ .

The vertices of the image triangle is,

$A'(0,0),B'(0,10),\:and\:C'(15, 0)$ .

The scale factor is given by

$k = \frac{image \: length}{object \: length}$

So we can use any of the corresponding sides to determine the scale factor,

$k = \frac{|A'B'|}{ |AB|}$

$k = \frac{ |10 - 0| }{ |4 - 0|}$

$k = \frac{ |10| }{ |4 |} = \frac{10}{4} = 2.5$

Or

$k = \frac{|A'C'|}{ |AC|}$

$k = \frac{ |15 - 0| }{ |6 - 0|}$

$k = \frac{ |15| }{ |6|} = \frac{15}{6} = 2.5$

Or

$k=\frac{|B'C'|}{|BC|}$

$k = \frac{\sqrt{(15 - 0)^2+(0-10)^2 }}{\sqrt{(6 - 0)^2+(0-4)^2}}$

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The correct answer is C

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3 years ago

3 3ab - 5xy + 4ab+ 2yx​

3 3ab - 5xy + 4ab+ 2yx