Step-by-step explanation:
we have
Group terms that contain the same variable
Combine like terms
0.85 or 85%
step-by-step explanation:
1) divide 23 by 27
2) round the decimal to the nearest 10
3) so your answer would be 0.85 or 85%
according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.