Answer:
4.50
Step-by-step explanation:
First add 50 and 40 to get 90. Then multiply that by 0.05 to get 4.5.
If y = √(2x + 1), then differentiating both sides implicitly with respect to t gives
dy/dt = 1/2 • 1/√(2x + 1) • 2 • dx/dt = 1/√(2x + 1) • dx/dt
(a) If dx/dt = 9 and x = 4, then
dy/dt = 1/√(2•4 + 1) • 9
dy/dt = 1/√(8 + 1) • 9
dy/dt = 1/√9 • 9
dy/dt = 9/3
dy/dt = 3
(b) If dy/dt = 3 and x = 40, then
3 = 1/√(2•40 + 1) • dx/dt
3 = 1/√(80 + 1) • dx/dt
3 = 1/√81 • dx/dt
3 = 1/9 • dx/dt
dx/dt = 27
Y = -4x +5 should be right!
Answer: His net worth is $375
Step-by-step explanation:
Since, Net worth = Total assets - total liabilities
And, here the total assets of Molly = the money she has in her saving account
= $500
Also, according to the question,
She owes her parents $100 and her brother $25.
Therefore, total liability of her = 100 + 25 = $125
Thus, Her net worth= 500 - 125 = $375
