-3√45 + 3√20 = -3√(9 · 5) + 3√(4 · 5) =
= -3√(3² · 5) + 3√(2² · 5) =
= -3 · 3√5 + 3 · 2√5 =
= -9√5 + 6√5 = -3√5 ← the end
Answer:
567000 dollars
Step-by-step explanation:
Straightforward if 7000 for 3 hours then 3*27=81 and 7000*81=567000
Turn 34 into an improper fraction ( 34/1 ) and multiply it by 3/4. You get 20 1/2
I think it's 138 Long by 109.5 more accurate .
92/73 = 1.26
120/100 = 1.2
138/109.5 =1.26
Hence 138 by 109.5 is more proportionate
