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2 years ago

I NEED HELP!!! has endpoints X(7, 10) and Y(5, –8). Find the coordinates of the midpoint of .

Mathematics

1 answer:

Firlakuza [10]2 years ago

7 0

The formula of a midpoint between X and Y:

$M_{XY}\left(\dfrac{x_X+x_Y}{2},\ \dfrac{y_X+y_Y}{2}\right)$

We have the points X(7, 10) and Y(5, -8). Substitute:

$\dfrac{7+5}{2}=\dfrac{12}{2}=6\\\\\dfrac{10+(-8)}{2}=\dfrac{2}{2}=1$

<h3>Answer: (6, 1)</h3>

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Find the volume of the figure.

NARA [144]

Answer:

Step-by-step explanation:

Volume of the figure = Volume of cone + Volume of hemisphere

Cone:

height h = 33 m

Diameter = 30m

Radius r = 30/2 = 15 m

Volume of Cone:

$=\frac{1}{3}\pi r^{2}h\\\\=\frac{1}{3}\pi*15*15*33\\\\=\pi*15*15*11\\\\=2475\pi m^{2}$

Hemisphere:

Radius r = 15 m

Volume of Hemisphere =

$=\frac{2}{3}\pi*r^{3}\\\\=\frac{2}{3}\pi*15*15*15\\\\=2*\pi*5*15*15\\\\=2250\pi$

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2 years ago

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VashaNatasha [74]

Answer:

P(-A) = 0.388

Step-by-step explanation:

By the <u> PROBABILITY POSTULATE: </u>

P(A) + P(not A) = 1

Here, P(A) = 0.612

So, P(not A) = P(-A) = 1 - 0.612 = 0.388

⇒P(-A) = 0.388

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3 years ago

the volume of a cube is 64in squared (2). what’s the length of each side of the cube please help asap

blsea [12.9K]

Answer:

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Step-by-step explanation:

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2 years ago

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Papessa [141]

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