3 because add the 72 and 62 and there you go
9x-84=4x-18
5x=66
x=13.2
your number is 13.2
Let the number be x
<span>Then According to the equation : </span>
<span>2(X-4)=3(x+5) </span>
<span>2X-8=3X+15 </span>
<span>-23=3X-2X </span>
<span>X=-23</span>
The triangle will be rotated with the rule of (x,y) → (-y,x). The image will be congruent to the pre-image, the side lengths will be the same and the angles too.
Answer:
-5x²+26x-24
Step-by-step explanation:
(5x-6)(-x+4)
=5x(-x+4)-6(-x+4)
=-5x²+20x+6x-24
=-5x²+26x-24