Answer:
6
Step-by-step explanation:
Answer:
147
Step-by-step explanation:
The ∑ symbol means sum the term inside 4n + 1 from n = 2 to n = 8
Substitute n = 2, 3, 4, 5, 6, 7, 8 into the expression and sum the results , that is
4(2) + 1 + 4(3) + 1 + 4(4) + 1 + 4(5) + 1 + 4(6) + 1 + 4(7) + 1 + 4(8) + 1
= 9 + 13 + 17 + 21 + 25 + 29 + 33
= 147
Answer:
k = 15
Step-by-step explanation:
k² = 225
k = √225
k = 15
Thus, K = 15
<u>-TheUnknown</u><u>S</u><u>cientist</u>
Answer:
No
Step-by-step explanation:
Answer:
$451.50
Step-by-step explanation:
FIRST FIND OUT THE TOTAL SQUARE YARDS. THERE ARE 3 FEET IN ONE YARD, SO 15/3=5. THE ROOM IN 4.3X5 YARDS 0R 21.5 SQUARE YARDS. THEN MULTIPLY THE SQUARE YARDS BY PRICE PER YARD: 21.5 X 21 = 451.5
