Answer:
40 terms
Step-by-step explanation:
the sum to n terms of an arithmetic sequence is
= 
(a₁ + 
)
then
(- 4 - 82) = - 1720 ( multiply both sides by 2 to clear the fraction )
- 86n = - 3440 ( divide both sides by - 86 )
n = 40
the series has 40 terms
The total length (or perimeter) 56 feet. The equation is 12 + 12 + 16 + 16 = 56.
Answer:
125
Step-by-step explanation:
First, solve the exponent:
5^2 = 5x5 = 25
Then solve the rest:
5x25-125
Yes he will have enough 1.35+0.12 is 1.47 he will have .03 left after that
Answer:
exact form: x=71/12
decimal form: x= 5.92
mixed number: x= 5 and 11/12
Step-by-step explanation:
5 and 1/6+3/4
add the fractions
4/24+18/24= 22/24
22/24+5= 5 and 11/12
