Answer:
2
Step-by-step explanation:
Given where , substitute to find the value of the given equation.
Substituting :
Multiply :
Combine like terms:
Therefore, the value of when is .
Answer:
7 hours
Step-by-step explanation:
$247.50 - $45.00 (how much he charges for the first hour) = $202.50
$202.50 ÷ $33.75 (how much he charges for the additional hours) = 6 hours
But he charges 45 dollars for the first hour so he 7 hours in total
Answer:
0, -1
Step-by-step explanation:
5x=0 x+1=0
x=0, x=-1
Answer: The square root of -1 is NaN or i. It doesn't have one
Step-by-step explanation:
√−1
=NaN or i
Answer:
4/7
Step-by-step explanation:
Distance remaining at the end of Saturday's trip = 1 - 2/7
= 7/7 - 2/7 = 5/7
Fraction travelled on Sunday = 5/7 x 4/5 = 4/7