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steposvetlana [31]

4 years ago

5

Ms. Craven has a collection of Disney characters. She noticed that 3 out of every 10 characters is Mickey. What percent of her c

ollection is Mickey?

1 answer:

goldenfox [79]4 years ago

6 0

Answer:

30%

Step-by-step explanation:

Convert Fractions to Percents: Divide the top of the fraction by the bottom, multiply by 100 and add a "%" sign.

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2 years ago

What is the OUTPUT if the input to the equation y=2x - 7 is x =4?

mariarad [96]

Answer:

the output is y=1

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3 years ago

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Explain why the initial value of any function of the form<br> f(x) = a(br) is equal to a.

Natasha_Volkova [10]

Answer:When you substitute 0 for the exponent x, the expression simplifies to a times 1, which is just a. This is because any number to the 0 power equals 1. Since the initial value is the value of the function for an input of 0, the initial value for any function of this form will always be the value of a

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7 0

3 years ago

PLS HELP ITS MATH PLS

erastovalidia [21]

$\: \: \: \: \: \: \: y = \frac{ - 7x}{8} + 4 \\ \: \: \: \: \: \: multiply \: all \: by \: 8 \\ \: \: \: \: \: \: \: \: 8y = - 7x + 32 \\ \: \: \: \: \: \: \: \: \: 7x + 8y = 32$

<h2> ( 7 , 8 , 32 )</h2>

6 0

2 years ago

Evaluate integral_S integral (x - 2y + z) dS. S: z = 16, x^2 + y^2 le 1

vovikov84 [41]

$S$ is the disk of radius 1 parallel to the $x,y$ -plane and lying in the plane $z=16$ . Parameterize this surface by

$\vec r(u,v)=u\cos v\,\vec\imath+u\sin v\,\vec\jmath+16\,\vec k$

with $0\le u\le1$ and $0\le v\le2\pi$ . Take the normal vector to $S$ to be

$\vec r_u\times\vec r_v=u\,\vec k$

(the orientation doesn't matter because this is a scalar surface integral)

Then

$\displaystyle\iint_S(x-2y+z)\,\mathrm dS=\iint_S(u\cos v-2u\sin v+16)\|u\,\vec k\|\,\mathrm du\,\mathrm dv$

$=\displaystyle\int_0^{2\pi}\int_0^1(u^2(\cos v-2\sin v)+16u)\,\mathrm du\,\mathrm dv=\boxed{16\pi}$

5 0

3 years ago