She could write 18 is a multiple of 9 but im nt sure if that answer is correct
The answer is 90 which is none of these
Base on your question where you have to find the dimension of the rectangle of a maximum area that can performed from a 330-in piece of wire is first you must get the value of the area or use the formula in getting the area of the rectangle so the answer is 165 by 165 and the area is 82.5 inches
Answer:
Number of term n = 12
Step-by-step explanation:
Given:
a1 = -2
a2 = 3
Sum = 306
Find:
Number of term n
Computation:
d = a2 - a1
d = 3 - (-2)
d = 5
Sn = n/2[2a + (n-1)d]
306 = n/2[2(-2) + (n-1)5]
612 = n[-4 + 5n -5]
5n² - 9n - 612 = 0
Number of term n = 12
