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2 years ago

Using the data below, determine the angle for the part of the pie chart the represents the people who prefer dogs?

Mathematics

1 answer:

hichkok12 [17]2 years ago

8 0

Step-by-step explanation:

the answer is the last one 48 or you could call it D

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Find the area of the part of the paraboloid z = 9 - x^2 - y^2 that lies above the xy-plane.

svetoff [14.1K]

Parameterize this surface (call it $S$ ) by

$\vec r(u,v)=u\cos v\,\vec\imath+u\sin v\,\vec\jmath+(9-u^2)\,\vec k$

with $0\le u\le3$ and $0\le v\le2\pi$ . Take the normal vector to $S$ to be

$\vec r_u\times\vec r_v=2u^2\cos v\,\vec\imath+2u^2\sin v\,\vec\jmath+u\,\vec k$

Then the area of $S$ is

$\displaystyle\iint_S\mathrm dA=\iint_S\|\vec r_u\times\vec r_v\|\,\mathrm du\,\mathrm dv$

$=\displaystyle\int_0^{2\pi}\int_0^3u\sqrt{1+4u^2}\,\mathrm du\,\mathrm dv$

$=\displaystyle2\pi\int_0^3u\sqrt{1+4u^2}\,\mathrm du=\boxed{\frac{37\sqrt{37}-1}6\pi}$

3 0

3 years ago

What is the inverse of the function f(x) = 2x + 1?

adelina 88 [10]

Answer:

(1/2)x-1/2 hope this is the answer if it's not then srr

4 0

2 years ago

How would you write the absolute value of 5.23

posledela

The absolute value of
5.23 = l5.23l

4 0

3 years ago

Find the gradient of the line Joining the points p(-2,6) and Q(3,-2)

Rudiy27

Answer:

$- \frac{8}{5}$

Step-by-step explanation:

$\boxed{gradient = \frac{y1 - y2}{x1 - x2} }$

(x₁, y₁) is the 1st coordinate while (x₂, y₂) is the 2nd coordinate.

Gradient of the line

$= \frac{6 - ( - 2)}{ - 2 - 3}$

$= \frac{6 + 2}{ - 5}$

$= - \frac{8}{5}$

7 0

3 years ago

At a grocery store, you want to buy 3 3/5 lb of . What decimal should the digital scale show?

nasty-shy [4]

Answer:

3.6 lb

Step-by-step explanation:

to find the decimal of a fraction, you simply divide the numerator by the denominator. 3 divided by 5 equals 0.6, which is added to the end of your whole number.

4 0

3 years ago