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:
<u>1.13 kg</u>
Step-by-step explanation:
We know that :
<u>Multiply both sides by 1.13</u>
- 1000 x 1.13 = 1 x 1.13
- 1130 grams = <u>1.13 kilograms</u>
Answer:
8
Step-by-step explanation:
plug in the number 4, it would be 5•4-12
Do 5•4=20
20-12=8
The answer is yes, every 5 dollars there is an extra 0.35$ tax so it’s a straight line which means that it is proportional
