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crimeas [40]
3 years ago
6

AYÚDENME!!!! T.T PORFA

Mathematics
1 answer:
Vitek1552 [10]3 years ago
7 0

Answer:

Por el teorema de 30 grados en un triangulo rectangulo la linea roja es \sqrt{3} veces la longitud del cateto opuesto al angulo de de 30. Por tanto la linea roja será:

l=\sqrt{3}\times3\sqrt{3}=9

Luego

x=9-3=6

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Allen's miniature train travels at a rate of 20 meters in 2 minutes. At this rate, how far will the train travel in 10 minutes?
Sav [38]

Answer:

100 meters  20/5=100

Not sure about the second one

hope this helps

Step-by-step explanation:

8 0
3 years ago
Enter the ordered pair that is the solution to the system of equations graphed below.
dalvyx [7]

Answer:

x = 5/2

y = -1/2

Step-by-step explanation:

if both equations start with 'y=' then set the expressions equal to each other

3/5x - 1 = x - 3

add 1 to each side to get:

3/5x = x - 1

subtract 5/5x from each side:

3/5x - 5/5x = -1

-2/5x = -1

multiply each side by -5/2:

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6 0
3 years ago
Find dy/dx any one <br>x=acost , y=asint​
dangina [55]

Answer:

x=a \cos t \implies \dfrac{dx}{dt}=-a \sin t

y= a \sin t \implies \dfrac{dy}{dt}=a \cos t

Using the chain rule:

\begin{aligned}\implies \dfrac{dy}{dx} & =\dfrac{dy}{dt} \times \dfrac{dt}{dx}\\\\& = a \cos t \times \dfrac{1}{-a \sin t}\\\\& = \dfrac{a \cos t}{-a \sin t}\\\\& = - \dfrac{\cos t}{\sin t}\\\\& = - \cot t\end{aligned}

8 0
2 years ago
A boat traveled at a constant speed for 22 hours, covering a total distance of 618.7 kilometers. To the nearest tenth of a kilom
Pavlova-9 [17]

Answer:

28.1 kilometers/hour

Step-by-step explanation:

618.7 kilometers / 22 hours = 28.1 kilometers/hour

4 0
3 years ago
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Mars2501 [29]

Answer:

-2 is the only correct answer

4 0
3 years ago
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