Answer and Step-by-step explanation:
<u><em>First equation:</em></u>
y = -4x + 9
This equation has a negative slope (a slope that does downwards) and has a positive y-intercept (at (0, 9)).
<em><u>Second Equation:</u></em>
y = -4x - 4
This equation is parallel to the first line because it has the same slope. It also has a negative y-intercept (at (0, -4)).
<u><em>#teamtrees #PAW (Plant And Water)</em></u>
You answer would be -4,-5 because you got to look where there line cross
Answer:
I'm pretty sure it's 5 hours tutoring and 7 hours landscaping.
Answer:
Step-by-step explanation:
1) For each situation to grow or decay by a constant percent rate, it must be exponential. Therefore, the correct examples are
A. The number of cars sold doubles every year. It is a 200% growth every year.
D. Each time you start a car engine the remaining engine life decreases by 0.0075%. A case of decay
E. The number of people creating cat videos increases by 15% percent every year.
F. Computer technology increases by a factor of 3 every five years.
2) this is a case of exponential decay. The expression for exponential decay is
y = b(1 - r)^t
y = final value
b = initial value
r = decay rate
t = time
Given that
r = 10% = 10/100 = 0.1
b = 50 kilograms
y = W kilograms
The relationship is
W = 50(1 - 0.1)^t
W = 50(0.9)^t