Yes,this is a doozy.
<u>-3 (y - 5) = 15</u>
Eliminate the parentheses on the left side:
-3(y) -3(-5) = 15
-3y + 15 = 15
Subtract 15 from each side:
-3y = 0
Divide each side by -3 :
<em> y = 0</em>
Answer:
112
Step-by-step explanation:
Answer:
17) 750/9 and 18) 364
Step-by-step explanation:
17. Summation of 75*(0.1)^i from i=0 to infinity, that is equal to 75*(Summation of (0.1)^i). Summation of (0.1)^I is a geometric series with a sum of 1/(0.9)=10/9. Hence the series have a sum equal to 75*(10/9)=750/9
18) It's a series with sum=1+3+9+27+81+243=364
