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2 years ago

10

ernesto tiene 18 metros de malla el desea cerca solo tres lados de un terreno rectangular , ya que una pared sirve de limite del

cuarto lado

2 answers:

Flura [38]2 years ago

6 0

Answer:

Estoy prediendo espanol, as translate.

Step-by-step explanation:

mote1985 [20]2 years ago

6 0

please write the question properly

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

y: -1 1 -1 1

Step-by-step explanation:

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

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

$m = -\frac{\cos 2\theta}{\sin \theta}$

The tangent line is horizontal when $m = 0$ . Then:

$\cos 2\theta = 0$

$2\theta = \cos^{-1}0$

$\theta = \frac{1}{2}\cdot \cos^{-1} 0$

$\theta = \frac{1}{2}\cdot \left(\frac{\pi}{2}+i\cdot \pi \right)$ , 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:

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

y: 1 -1 1 -1

The solutions listed from the smallest to the greatest are:

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

y: -1 1 -1 1

6 0

2 years ago

An astronaut was exploring the moon of a distant planet, and found some glowing goo at the bottom of a very deep crater. She bro

Soloha48 [4]

Answer:

after 1 hr = 20 after 2 hrs =<em> </em> 40 after 3 hrs = 80 160 n 3 hrs

8 0

3 years ago

If a bait traveled 27 miles in 2 hours. At this rate, how many miles will the boat travel in 1/2 hour

QveST [7]

Answer:6.75

Step-by-step explanation:

27 divided by 4

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2 years ago

What is the area of the figure

Musya8 [376]

Answer:

Divide it into two sqaures. The are btw is 108

Step-by-step explanation:

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3 years ago

How many liters of pure water should be mixed with 18 liters of a12% saline solution to make a saline solution that is 3% salt?

Volgvan

Answer: .42857 liters of pure water

Step-by-step explanation:2.4 = .7w + 2.1

2.4 - 2.1 = .7w

.3 = .7w

w = .3%2F.7

3 0

2 years ago