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attashe74 [19]
3 years ago
13

After twenty movies, the value of her card is now 100 how much money did she start with

Mathematics
1 answer:
ch4aika [34]3 years ago
6 0

Answer:

2000

Step-by-step explanation:

20*100=2000

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Karolina [17]
C=3.14 x 26
C=81.64

C=2(3.14 x 13)
C=81.64
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3 years ago
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)

Recordando que

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

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
Divide a 5 inch line into two parts with one part 2 1/4 inches shorter than the other
RUDIKE [14]

And then what? The other side is 2 3/4 long

5 0
3 years ago
Question 2 of 15. Step 1 of 1
azamat

9514 1404 393

Answer:

  A = -68.75p +2906.25

Step-by-step explanation:

We can solve for m and b using the given values of A and p.

  1600 = m·19 +b

  2150 = m·11 +b

Subtracting the second equation from the first, we have ...

  -550 = 8m

  m = -550/8 = -68.75

Substituting this into the first equation gives ...

  1600 = 19·(-68.75) +b

  b = 1600 +1306.25 = 2906.25

The desired linear equation is ...

  A = -68.75p +2906.25

__

<em>Additional comment</em>

Revenue will be maximized at the price that cuts attendance to half the value when the price is 0, about $21.14.

3 0
3 years ago
Pls help its due today will give brainliest
pentagon [3]
Answer:
A: 70 ft
B: 785 ft
C: 125 ft
D: 87.2 ft/min

Explanation:
Have done this before +
5 0
2 years ago
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