Answer:
x = -1/3 and x = 1/3
Step-by-step explanation:
9514 1404 393
Answer:
13 nickels
Step-by-step explanation:
Let n represent the number of nickels Bob has. Then 18-n is the number of dimes, and the total value (in cents) is ...
5n +10(18-n) = 115
-5n +180 = 115 . . . simplify
65 = 5n . . . . . add 5n-115
13 = n . . . . . . . divide by 5
Bob has 13 nickels.
Answer:
the average speed is 700 km/hour
Step-by-step explanation:
Answer:

Step-by-step explanation:

Replace the n with n+1 to find the (n+1)st term.

Expand brackets.

Add like terms.
