Answer:
Step-by-step explanation:
Wow! There are 2 things going on here, so let's go step by step.
The first thing to notice is that the numbers are going negative, positive, negative, positive. Odd-numbered terms are negative while even-numbered terms are positive. Since 9 is odd number, we know the answer must be negative.
Secondly, the 1, 4, 9, 16 sequence is called the square numbers. They are 1 x 1, 2 x 2, 3 x 3, 4 x 4, etc. The 9th term will be 9 x 9 ( ignoring the negative).
Adding the first point with the second, we get (-81) { negative eighty-one }
Hope this helps.
the ansewer is the third one
Answer:
93.75 per year
Step-by-step explanation:
hope this helps
0.97 * 3000
= (0.97 * 3)*1000
= 2.91*1000
=2910
Answer:
16
Step-by-step explanation:
Example:
Consider A vertex. A is connected with two other vertices C and B.
Thus 3 line segments are formed. At A, two pair of intersecting lines are formed, AC & AE ; AE and AB
Each vertex form two pair of intersecting line segments. Totally , there are 8 verteces. So, 8*2 = 16 pair of intersecting lines
