Jack decided to get a summer job working at the zoo. He has decided to spend 10% of his summer job earnings on new shoes. if he spend $256, how much did he earn this summer?

72 is the answer to this problem

answer: no

step-by-step explanation:

you are only given the cost not the amount of pounds.

10.416 m/s

step-by-step explantion:

distance=100m

time= 9.6s

average speed=100/9.6

=10.416 m/s

, and

for

step-by-step explanation:

we can analyze the pattern at which the terms increase. let us denote , , , so that we can call

note the following:

the pattern: to get the next term value, we just add the next term number (e.g. 1st, 2nd, to the previous term value (term values are the given numbers in the question, 1, 3, 6, 10, 15,

from , to get to , we add

from , to get to , we add

etc.

we need to form a recursive formula, a formula that has the next term as a function of the previous term. so a possible recursive formula can be

, and for