annie901
23.12.2020 •
Mathematics
What is 9/4-2(4x+4/3)+5/2x?
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Ответ:
9514 1404 393
-11/2x -5/12
Step-by-step explanation:
Eliminate parentheses and collect terms.
9/4 -2(4x +4/3) +5/2x . . . . given
= 9/4 -8x -8/3 +5/2x
= (-16/2 +5/2)x +27/12 -32/12 . . . . use common denominators
= -11/2x -5/12
Ответ:
The slope is -1
Step-by-step explanation:
Given ABC is an isosceles right triangle in which has a slope of -1 and mABC = 90°. Now, ABC is dilated by a scale factor of 1.8 with the origin as the center of dilation, resulting in the image A'B'C'.
As we know that the slope is equal to
And also in dilation only the the length of sides increases or decreases by same factor which results in same angle i.e tan
remains same.
Hence, slope never changes in dilation.
Therefore, slope is -1