Answer:
11/15x
Step-by-step explanation:
Combine like terms. Note that the denominators <em>are the same</em>. This means that you can combine the two numerators together.
9/15x + 2/15x = 11/15x
11/15x is your answer
~
Answer:
8
Step-by-step explanation:
Replace the variables with numbers.
1+7=8
Answer:
We use the formula:
S 10 = 8 · [(1/2)^9 - 1] / (1/2 - 1 );
Then, S 10 = 8 · ( 1/512 - 1 ) / ( 1/2 - 1 );
S 10 = 8 · ( - 511 / 512 ) / (-1 / 2 );
S 10 = ( - 511 / 64 ) · ( - 2 );
S 10 = + 511 / 32;
S 10 = 15.96;
Step-by-step explanation:
18.6 seconds ...................
