Can you answer this maths question?

Mathematics

1 answer:

Eva8 [605]3 years ago

4 0

In order to do this, you need to take from top and bottom. So, we can take a 12 from top and bottom and get:

3af^8/a^5f^2

Now, take a from top and bottom:

3f^8/a^4f^2

Finally, take f² from both:

3f^6/a^4

Hope this helped!

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The six faces of a cube are painted black. The cube is then cut into <img src="https://tex.z-dn.net/?f=5%5E3%20%3D%20125" id="Te

Rasek [7]

Answer:

The probability that a randomly selected small cube is rolled and the face on the top is black is P=0.2.

Step-by-step explanation:

We have a cube, with the faces painted black, that each side is divided in 5, so we end up with 125 cubes.

We have to calculate the probability that a randomly selected cube is rolled and the face on the top is black.

This probability is equal to the proportion of black area in the total area of the cube.

We can define the side of the original cube as A=5a, being a the side of the small cubes.

The area that is painted black is equal to the sum of 6 squares of side A. In terms of a, that is:

$S_b=6\cdot A^2=6\cdot(5a)^2=6\cdot25a^2=150a^2$

The total area of the 125 small cubes is:

$S=125(6a^2)=750a^2$

Then, the ratio of black surface to the total surface is:

$s_b/s=(150a^2)/(750a^2)=0.2$

Then, we can conclude that the probability that a randomly selected small cube is rolled and the face on the top is black is P=0.2.

7 0

4 years ago

How do you solve it and how do you do it step by step and is it the same or different

kow [346]

On the left side you need to distribute that 2 into (x+3). On the right side distribute 3 into (2x+1). Combine like terms and set the entire equation equal to zero, then methodically find x. leave a comment if you need more help.

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3 years ago

on the carousel there are 24 seats two seats each how many people can go up at the same time the ticket costs € 2 how much will

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48 people, it will cost 96

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3 years ago

Find the value of x<br><br>2x degrees and 3x degrees ..<br>they are supplements angles

oee [108]

Answer:

2x+3x=180°

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