Answer:
geometric
arithmetic
arithmetic
Step-by-step explanation:
1.
4/9,4/3,4,12,36
Multiply each term by 3 to get the next term. There is a common ratio between terms, so it geometric.
2.
0,1,2,3,4,5,6
Add 1 to each term to get the next term. Since there is a common difference between terms, it is an arithmetic sequence.
3.
-10,-6,-2,2,6,10
Add 4 to each term to get the next term. Since there is a common difference between terms, it is an arithmetic sequence.
Answer:
186 books with the 55% increase
Step-by-step explanation:
120 times 55% increase = 66 more in increase
Now take the increase and add it to the original amount of books to get the number of books with the increase
66 + 120 = 186
Your Answer:
<em>B. 1/2n-3</em>
Explanation:
<em>One way to get half a number is to multiply it by 1/2.</em>
<em>The phrase "a number less than an other number" often indicates subtraction.</em>
2 solutions
Step-by-step explanation: Discriminant D = √(-8²-4·1·(-20) =√(144)
Because D> 0, there are 2 roots
Answer:
with what?
Step-by-step explanation: