Answer:
y³ + x³ = 1
First, differentiate the first time, term by term:

↑ we'll substitute this later (4th step onwards)
Differentiate the second time:


Answer:
The answer to your question is x = 3.356 cm
Step-by-step explanation:
This is a right triangle so we can use the Trigonometric functions to solve this problem.
Data
Ф = 40°
Adjacent side = 4 cm
Opposite side = x
Process
1.- We must know the lenght of the opposite side so we must use the tangent to solve it.
tangent Ф = 
2.- Solve it for Opposite side
Opposite side = tanФ x Adjacent side
Opposite side = tan 40° x 4
Opposite side = 0.839 x 4
Opposite side = 3.356
Opposite side = x = 3.356 cm
The answer I got was a=5. Hope this is correct and hope it helped
1. 7^30 because 5*6 equals 30 and u keep the base
2. 54^3 you multiply the base and keep the exponent
3. Yes because the associative property of multiplication still applies to exponents
Her estimate is More than her actual earnings because since she earns 5.85 on an hourly wage I multiplied that by every hour she worked each day. her estimatewas $120 but her her actual earnings were 109.66.