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2 years ago

10

Vicky and sarah have a total of 53 magnets on the inside of their lockers. Vicky has 4 fewer than twice as many as sarah. How ma

ny magnets does vicky have on her locker?

1 answer:

Alexeev081 [22]2 years ago

8 0

Answer: 102

Step-by-step explanation: 53x2=106 and 106-4 is 102

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You are given the parametric equations x=2cos(θ),y=sin(2θ). (a) List all of the points (x,y) where the tangent line is horizonta

vladimir1956 [14]

Answer:

The solutions listed from the smallest to the greatest are:

x: $-\sqrt{2}$ $-\sqrt{2}$ $\sqrt{2}$ $\sqrt{2}$

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Step-by-step explanation:

The slope of the tangent line at a point of the curve is:

$m = \frac{\frac{dy}{dt} }{\frac{dx}{dt} }$

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$\theta = \frac{1}{2}\cdot \left(\frac{\pi}{2}+i\cdot \pi \right)$ , for all $i \in \mathbb{N}_{O}$

$\theta = \frac{\pi}{4} + i\cdot \frac{\pi}{2}$ , for all $i \in \mathbb{N}_{O}$

The first four solutions are:

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y: 1 -1 1 -1

The solutions listed from the smallest to the greatest are:

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y: -1 1 -1 1

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