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3 years ago

Will mark brainliest if correct! :)

Mathematics

1 answer:

fgiga [73]3 years ago

7 0

Answer:

The volume of cone = 1/3 vol of cylinder = 1/3 406.8 = 406.8/3 = 195.6

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a solid sphere is cut into 3 equal wedges. the volume of each wedge is V=4/9π^3. solve the formula for r

algol13

$\\ \qquad\quad\sf{:}\dashrightarrow V=\dfrac{4}{9}πr^3$

It is one third of the solid. sphere

$\\ \qquad\quad\sf{:}\dashrightarrow V_{(Sphere)}$

$\\ \qquad\quad\sf{:}\dashrightarrow 3\left(\dfrac{4}{9}πr^3\right)$

$\\ \qquad\quad\sf{:}\dashrightarrow \dfrac{4}{3}\pi r^3$

Now

$\\ \qquad\quad\sf{:}\dashrightarrow \pi r^3=\dfrac{3V}{4}$

$\\ \qquad\quad\sf{:}\dashrightarrow r^3=\dfrac{3V}{4\pi}$

$\\ \qquad\quad\sf{:}\dashrightarrow r=\sqrt[3]{\dfrac{3V}{4\pi}}$

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3 years ago

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Calculate the slope for coordinates (3,2) (4,6)

mr Goodwill [35]

Answer:The slope is 4.

Step-by-step explanation:

3 is x 1, 2 is y 2, 4 is also x 1, and 6 is y 2.

6-2/4-1

4/1

3 0

3 years ago

21. Water that is sprayed upward from a

sleet_krkn [62]

Answer:

2 seconds to maximum height
20 meters maximum height
4 seconds to reach the ground

Step-by-step explanation:

The function can be graphed using a graphing calculator, geometry app, or spreadsheet. One such graph is attached. Often, these tools are capable of identifying extrema and intercepts.

<h3>extreme</h3>

The vertex of the graph is reported as (x, y) = (2, 20). This means the maximum height is reached after 2 seconds. That maximum height is 20 meters.

<h3>intercept</h3>

The drop is launched from ground level at x = 0 seconds. It returns to ground level at x = 4 seconds.

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2 years ago

PLEASE ANSWER THIS!!!!!!!!

sergiy2304 [10]

9514 1404 393

Answer:

(a) x - y + 1 = 0

Step-by-step explanation:

One way to address multiple-choice questions is to try the answers to see what works.

For the lower left point (1, 2), the answer choices shown give ...

x -y +1 = 1 -2 +1 = 0 . . . . . equation works

-x -y +1 = -1 -2 +1 = -2 . . . doesn't work

y -x +1 = 2 -1 +1 = 2 . . . . . doesn't work

The appropriate choice is ...

x - y + 1 = 0

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3 years ago

Can someone please help me find the area of this?

klio [65]

The area is to this figure is 141

5 0

3 years ago

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