Answer:
n = 3
Step-by-step explanation:
8n - (3n + 4) = 11
8n - 3n - 4 = 11
5n = 11 + 4
5n = 15
n = 3
Answer:
h = -0.3d^2 + 1.2d + 1.5
Step-by-step explanation:
Answer:
150 for 11.99
the pills in this box are the cheapest
2,247
Step-by-step explanation:
take 3000 and minus that by 30 percent, then after that, add 7 percent to get your total.

Above, I changed the fraction form of x and y into exponential form so it is easier to see the differentiation. Now, we can differentiate:

Now that we have dy/dx, we can plug in the x, which is 4, and the y, which is 4/19. We know these values of x and y because your question stated y(4) = 4/19.