4(3+x)
This is because 4*3=12 and 4*x is 4x so you get 12+4x which is the original equation
Answer:
S
ThenSn=n(a1+an)2Sn=n(a1 + an)2 , where nn is the number of terms, a1a1 is the first term and anan is the last term. The sum of the first nn terms of an arithmetic sequence is called an arithmetic series .
Step-by-step explanation:
Answer:
2x^3/x+5/x-5/ 3x-1
2x^3/ 3x-1
Step-by-step explanation:
we can cut plus and minus sign
1 is in the tens place
we look at 2
2 <5 so we leave it alone
6,310
Choice B
median is the middle of the data , so put the data in order from smallest to largest
15,22,37,49,72
The middle is 37
Median: 37
