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liberstina [14]
2 years ago
6

Un grupo de niños juega en una plaza con una pelota. Uno de ellos lanza la pelota en forma vertical hacia arriba. La pelota desc

ribe en su trayectoria una parábola que responde a una función cuadrática, siendo el tiempo "t" la variable independiente.
1) Dibujen en un sistema de coordenadas cartesianas la posible trayectoria parabólica de la pelota (usen GeoGebra, pueden utilizar una aplicación del celular)

2) Escriban una posible expresión matemática que modelice la situación planteada. ¿Qué significado tienen, en este caso, las coordenadas del vértice? ¿Qué significan las probables intersecciones con el eje "x"? ¿Y con el eje "y"?
Mathematics
1 answer:
goldenfox [79]2 years ago
4 0

Answer:

Step-by-step explanation:

gpih

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Please help me find the total area of the composite figure below (geometry)
Akimi4 [234]

Answer:

lw + \frac{1}{2} × π × (\frac{l}{2} )^{2} ⇒ Answer D is correct

Step-by-step explanation:

First, let us find the area of the semi-circle.

Area = \frac{1}{2} × π × r²

<u>Given that,</u>

diameter of the semi-circle is ⇒ <em>l</em>

∴ radius ⇒ <em>l / 2</em>

<u>Let us find it now.</u>

Area = \frac{1}{2} × π × r²

Area =  \frac{1}{2} × π × (\frac{l}{2} )^{2}

<u>                                                     </u>

Secondly, let us find the area of the rectangle.

Area = length × width

<u>Given that,</u>

length ⇒ <em>l</em>

width ⇒ w

<u>Let us find it now.</u>

Area = length × width

Area = l ×w

Area = lw

<u>                                                      </u>

And now let us <u>find the total area.</u>

Total area =  Area of the rectangle + Area of the semi - circle

Tota area = lw + \frac{1}{2} × π × (\frac{l}{2} )^{2}

8 0
2 years ago
HELP I WILL GIVE BRAINIEST
Zanzabum

Answer:

13.7

Step-by-step explanation:

It forms a triangle.

They are trying to find the height, cause they say the east-bound car went east so that makes the bottom of the triangle, the width. They also give is the distance in between both cars so that's the hypotenuse so let's set up the equation...

15² - 6² = 189

now we square root it

√189 = 13.7

 

5 0
3 years ago
How to solve by completing the square: -X2 +1190X-3200
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Answer:

x2+6512

Step-by-step explanation:

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The bigger number is 42 and the smaller number is 10
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4 years ago
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Find two positive fractions with a quotient of 5/6
hichkok12 [17]
Alright, so if we divide fractions we get
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