The correct answer is 5
Solve for x by simplifying both sides of the equation, then isolating the variable.
X=5
Answer:
because of vertical angles, 108
Step-by-step explanation:
Answer:
Step-by-step explanation:
we have
Simplify
Multiply the expression by
Apply difference of squares in the denominator
Just search the website located at the bottom of the worksheet, answers all there. Helped me a lot through middle school
Dy/dx = dy/dt * dt/dx
xy = 4
y + x(dy/dx) = 0 by implicit differentiation.
x(dy/dx) = -y
dy/dx = -y/x
<span>dy/dx = dy/dt * dt/dx dy/dt = -2
</span>
<span>-y/x = -2 * dt/dx
</span>
y/(2x) = dt/dx
dt/dx = y/(2x)
dx/dt = 2x/y
When x = -3, xy = 4, y = 4/x = 4/-3 = -4/3
dx/dt = 2*-3/(-4/3) = -6 *-3/4 = 18/4 = 9/2 = 4.5
dx/dt = 4.5