Answer:
See below.
Step-by-step explanation:
It's because any number multiplied by 0 equals 0. We could put any 2 numbers other than 2.7 and 2.8 yet still get both sides of the equation = - 5.9 but the 2 sides are obviously not equal.
To do the test correctly he can use any number except 0.
Answer:
The slope of f(x) is -2/2 and the slope of g(x) is 0. When the line it's horizontal and not an increasing or decreasing line, the slope it's always 0. The greatest slope is of the f(x) function because the slope is not equal to 0.
Answer:
Mr.Lin's present age is 30 years now. His son is 8 years old now.
Step-by-step explanation:
Let L = Mr.Lin's present age,
S = his son's present age.
First equation is
L + S = 38. (1)
The second equation is
L + 3 = 3*(S+3) (2) ("In three years' time, Mr.Lin will be three times as old as his son.")
From (1), express S = 38-L and substitute it into (2). You will get
L + 3 = 3*((38-L)+3), or
L + 3 = 114 - 3L + 9,
4L = 114 + 9 - 3,
4L = 120,
L = 30.
Answer:
log(4) +3 log(x) +7 log(y)
Step-by-step explanation:
Hope it helps!