5x+6y=28,3x+2y=14----------------------------------------------------------
Answer: The second and the last answer are correct
Step-by-step explanation:
n = # of days
45 = 2.5n + 2n
45 = 4.5n
n = 10
He can paint 45 structures in 10 days
Answer:
what is your questions mate I mm didn't understand ¯\_(ツ)_/¯
Step-by-step explanation:
,When a percent amount is multiplied to another number, the operation produces a value that equals the given percent of the original number. ... Multiplying a number by 100 percent is a just variation of the multiplicative identity and will result in the value being unchanged.
Answer:
-5
Step-by-step explanation:
dₙ = -5 (1/2)n-1
the 3rd term in the sequence means n = 3
d₃ = -5(1/2)(3-1) = -5(1/2)(2) = -5