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zheka24 [161]
3 years ago
11

¿porque algunos objetos flotan y otros se hunden en el agua​

Mathematics
1 answer:
Darina [25.2K]3 years ago
8 0

Answer:

due to the pull of gravity and depending on particals that the object is made of

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One third of a birds eggs hatched. if 2 hatched, how many eggs did the bird lay
Vsevolod [243]
Answer you were looking for is 6 eggs
5 0
3 years ago
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Find the volume for 2 different spheres by randomly choosing different radii.
grigory [225]

Answer:

The volume of a sphere of radius r is:

S = (4/3)*pi*r^3

The volume of a cylinder of radius r and height h is:

C = pi*r^2*h

For this problem the height of the cylinders will be equal to the diameter of the spheres, which is equal to two times the radius.

First, let's use the radius: r = 2.

The volume of the sphere will be:

S = (4/3)*3.14*(2)^3 = 33.49

The volume of the cylinder, where h = 2*2 = 4, is:

C = 3.14*(2^2)*4 = 50.24

Now, let's choose the radius r = 3.

The volume of the sphere will be:

S = (4/3)*3.14*3^3 = 113.04

The volume of a cylinder with this radius and h = 3*2 = 6, is:

C = 3.14*(3^2)*6 = 169.56

6 0
3 years ago
Juan is rappelling down a 495-foot cliff at a rate of 6 feet per second. Which equation would represent the height Juan is above
ss7ja [257]

Answer:

The equation is H = 495 -6t

Step-by-step explanation:

Here, we want to write an equation that will represent the height Juan is above the ground, after t seconds.

The height we want to calculate is H. The initial height is 495 foot;

At the first second, the decrease in height will be 6 * 1, at the second 6 * 2 and thus at t seconds, the decrease in height will be 6 * t = 6t

Ask the height after t seconds will be;

H = 495 - 6t

Where t represents the time in seconds

8 0
3 years ago
I need help on this problem
Arte-miy333 [17]

Answer: QR=4.04

Step-by-step explanation:

For this exercise you must use the followinG Trigonometric Identity:

tan\alpha=\frac{opposite}{adjacent}

In this case, given the right triangle PQR, you can identify that:

\alpha=60\°\\opposite=PR=7.0\\adjacent=QR

Then, the  next step is to substitute those values into tan\alpha=\frac{opposite}{adjacent}:

tan(60\°)=\frac{7.0}{QR}

And the final step is to solve for "QR" in order to find its value.

So you get that this is:

(QR)(tan(60\°))=7.0\\\\QR=\frac{7.0}{tan(60\°)}\\\\QR=4.04

6 0
3 years ago
What is the value of the following expression? 2w - 6, when w = 6
lara31 [8.8K]

Answer:

The answer is 6.

Step-by-step explanation:

Since w = 6 you would input the 6 where the w value is. Your equation should look like this: 2(6)-6

First you multiple the 2 x 6 which equals 12. After you minus 12-6 which equals 6. Therefore your answer is 6.

3 0
3 years ago
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