Isolate the variable r.
5r-10+2r=10+7r
7r=20+7r.
There is no solution, because if you subtract 7r from both sides the variable will disappear.
Answer:
12
Step-by-step explanation:
g+I = 72
I * 5 = g
(I*5) + I = 72
6i = 72
I=72/6
I = 12
Answer:65
Step-by-step explanation:
Yes, all triangles have at least two acute angles. If there were two right angles, it would not be a closed figure. If there were two obtuse angles, there would be more than 180 degrees.
Hope this helps =)
