Answer:
about 154.3
Step-by-step explanation:
Answer:3,-3
Step-by-step explanation:
difference of 2 squares
(x+3)(x-3)
x+3=0
x-3=0
x=3,-3
Answer:
2 1/3!
Step-by-step explanation:
If you are subtracting fractions that both have a common denominator, think of it like this. so, if you are confused with whole numbers, why not make it improper? multiply the bottom number by the big number next to it, and add the top 2, which should give you 8/3. then subtract 1/3, which is 7/3, and if you simplify it, it should give you 1 1/3! :D
Answer:
Question relates to a Arithmetic Sequence {30,32,34...} where d = 2
and the terms are the enumber of seats in each row.
S%5Bn%5D=%28n%2F2%29%282%2Aa%5B1%5D%2B+%28n-1%29d%29 |Sum of the seats in the 26 rows.
S%5B26%5D=%2826%2F2%29%282%2A30%2B+%2825%292%29 = 1430 seats in the ALL 26 rows
Step-by-step explanation: