John wanted to solve this problem the number of visitors to a website in the first week is 40 the number of visitors each week was double the number of visitors the previous week what is the total number of visitors of the website in the first 10 weeks what did he do wrong​

b

step-by-step explanation:

the word superfluous means unnecessary

12cm

the answer is d

, 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

1. supplementary angles

2. acd and bcd

step-by-step explanation: