Divide 105 by 7 to get 15
Answer 420.
a, is the first term. d is difference.
Since this is an arithmetic progression, I use this formula.
Un = nth term
Sn = sum of terms.
First find the number of terms, which is 20.
Then use the second formula to find the sum.
Answer:
0
Step-by-step explanation:
Substitute x = - 3 into the expression
x² + 4x + 3
= (- 3)² + 4(- 3) + 3
= 9 - 12 + 3
= 0
Least number is 120 and 12 packs of hot dogs and 10 packs of buns
Volume=s to the third power
2 1/2 to the third power is 15.625 inches
The answer is 15.625 inches