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OverLord2011 [107]
3 years ago
12

What percent of 78 is 16?

Mathematics
1 answer:
Phantasy [73]3 years ago
7 0

Answer:

78/16=

39/8=

19.5/4= 4.80805

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Jack drew 17hearts and 14 circles.what is the ratio of hearts to circles?<br>​
morpeh [17]

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17:14

Step-by-step explanation:

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Haya la integral de xarcsenx/((1-x^2)^1/2). Utiliza la sustitución de t= arcsenx
ikadub [295]

Answer:

<em>Explicación más abajo</em>

Step-by-step explanation:

Integración Indefinida

La integral

I=\int \dfrac{x .arcsen\left(x\right)}{\sqrt{1-x^2}}

Se resuelve con el cambio de variables:

t=arcsen(x)

Una vez hechos los cambios, la integral se resuelve en función de t:

I=sen(t)-t.cos(t)+C

Hay que devolver los cambios para mostrarla en función de x.

El cambio de variables también se puede escribir:

x=sen(t)

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Entonces:

cos(t)=\sqrt{1-x^2}

Devolviendo los cambios:

I=sen(t)-t.cos(t)+C=x-arcsen(x)\sqrt{1-x^2}+C

Es la respuesta correcta

7 0
3 years ago
Help
marissa [1.9K]
The answer is 188 altogether 
5 0
3 years ago
Read 2 more answers
A car travels 43 km in 56 minutes.
patriot [66]

Answer:

\displaystyle v=46.07\ Km/h

Step-by-step explanation:

<u>Speed</u>

The speed is the ratio between the distance x traveled by an object and the time t taken.

\displaystyle v=\frac{x}{t}

The car travels x=43 Km in t=56 minutes. We are required to express the speed in Km/h. The time needs to be expressed in hours:

t = 56 / 60 = 0.933\ h

Now apply the formula:

\boxed{\displaystyle v=\frac{43}{0.933}=46.07\ Km/h}

6 0
3 years ago
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