6 - 2x = 18
2x = - 12
x = - 6
Add and subtract as normal however just make sure you are always moving the decimal point in the right place.
DIVIDE THE 920 BY 7.50 AND YOU SHOULD GET YOUR ANSWER
Answer:
smallest integer=9,
total number of integers are in the sequence = 19.
Step-by-step explanation:
- let a be the first term and the number of terms be n. as they are consecutive,the common difference will be 1. these will form Arithmetic Progression series.
- the sum of n terms in AP series is :
[ where, l: last term]
- or, sum of n terms in AP series is :
[where, d: common difference]
using the first formula,
342 =
342=
342=2an .......equation 1.
using the second formula,
342=
684=n[2a+n-1]
684=2an+n^2-n
from equation 1,
342=n^2-n .......equation 1
-n-342=0
after solving, the solution to the above equation is 19.
substituting this in equation 2,
171=a[19]
a=9
so, smallest integer= a = 9,
total number of integers are in the sequence = n = 19.
Answer:
#1=8
#2=3
Step-by-step explanation: