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Naily [24]
4 years ago
7

A sphere has a volume of V=3600 in cubed in 3. Find its surface area.

Mathematics
1 answer:
Juliette [100K]4 years ago
8 0
The answer is <span>v/pi = 36000</span>
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PLS HELPP PLSS this homework is so hard
Illusion [34]
So you should label the x axis and y axis like I did then you use the formula!

6 0
2 years ago
Read 2 more answers
A person is on the outer edge of a carousel with a radius of 20 feet that is rotating counterclockwise around a point that is ce
lubasha [3.4K]
<h2>Answer:</h2>

\boxed{(5(-\sqrt{2}+\sqrt{6}),5(\sqrt{2}+\sqrt{6}))}

<h2>Step-by-step explanation:</h2>

The origin of the coordinate system is the center of the circle. So we have an angle that measures 5\pi/12=75^{\circ}. so the x-coordinate and y-coordinate can be found, by using trigonometry as follows:

x=20cos(5\pi/12)=5\sqrt{6}-5\sqrt{2} \\ \\ Arranging:\\ \\x=5(-\sqrt{2}+\sqrt{6}) \\ \\y=20sin(5\pi/12)=5\sqrt(6)+5\sqrt{2} \\ \\ Arranging:\\ \\y=5(\sqrt{2}+\sqrt{6})

Finally, the exact value of the position of the rider after the carousel rotates 5\pi/12 radians is:

\boxed{(5(-\sqrt{2}+\sqrt{6}),5(\sqrt{2}+\sqrt{6}))}

3 0
3 years ago
(i)Find the area of the parallelogram with base 14 cm and height 15 cm.
gulaghasi [49]

Answer:

The area should be "210 cm to the second power"

7 0
4 years ago
Read 2 more answers
Solve the simultaneous equations by substitution<br> x-3y=-7<br> x=5-y
WINSTONCH [101]

Answer:

x = 2, y = 3

Step-by-step explanation:

x - 3y = - 7 → (1)

x = 5 - y → (2)

Substitute x = 5 - y into (1)

5 - y - 3y = - 7

5 - 4y = - 7 ( subtract 5 from both sides )

- 4y = - 12 ( divide both sides by - 4 )

y = 3

Substitute y = 3 into (2)

x = 5 - 3 = 2

solution is (2, 3 )

5 0
2 years ago
calculate the distance between the points E=(-1,-5) and F=(-8,1) in the coordinate plane. Give an exact answer (not a decimal ap
Elena L [17]

Answer:

The answer is

<h2>\sqrt{85}  \:  \:  \:  \: units</h2>

Step-by-step explanation:

The distance between two points can be found by using the formula

d =  \sqrt{ ({x_1 - x_2})^{2} +  ({y_1 - y_2})^{2}  } \\

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

E(-1,-5) and F(-8,1)

The distance between them is

|EF|  =  \sqrt{ ({ - 1 + 8})^{2}  +  ({ - 5 - 1})^{2} }  \\  =  \sqrt{ {7}^{2}  +  ({ - 6})^{2} }  \\  =  \sqrt{49 + 36}  \:  \:  \:  \:  \:  \:  \:  \\  =  \sqrt{85}  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:

We have the final answer as

\sqrt{85}  \:  \:  \:  \: units

Hope this helps you

7 0
4 years ago
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