Look at the answers and be logical, try rounding up so instead of 45% try 50% now 22.5 would be half the number, have a look at the answers and see what is closest to double 22.5. C looks reasonable. Hope I helped, have a nice day :)
Answer:
A system has infinitely many solutions when it is consistent and the number of variables is more than the number of nonzero rows in the rref of the matrix. For example if the rref is ��has solution set (4-3z, 5+2z, z) where z can be any real number.
Answer:
the angle <ABC is equal to 65°
A quotient of a number 21 is 3 and 63
Hope this helps!
Answer:
-2w - 4.2 - 3.4
Step-by-step explanation:
I use the calculator
