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frozen [14]
3 years ago
13

Can u please help me ? I will mark you brainliest

Mathematics
1 answer:
r-ruslan [8.4K]3 years ago
5 0

Answer:

I believe it's the 4th one the 2nd on the right under that the one i think is selected looks right!

Answer is 4th one.

Step-by-step explanation:

Hope i helped! Your welcome! Have a great week!

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Find the radius of the cylinder when volume is 304 cm^3 and height is 10 cm
aleksandr82 [10.1K]

Answer:

<h2>3.11 cm</h2>

solution,

Volume of cylinder=304 cm^3

height=10 cm

Radius=?

Now,

volume = \pi  {r}^{2} h \\ or \: 304 = 3.14 \times  {r}^{2}  \times 10 \\ or \: 304 = 31.4 \times  {r}^{2}  \\ or \:  {r}^{2}  =  \frac{304}{31.4}  \\ or \:  {r}^{2}  = 9.68 \\ or \: r =   \sqrt{9.68}  \\ or \: r =  \sqrt{ {(3.11)}^{2} }  \\ r = 3.11 \: cm

Hope this helps..

Good luck on your assignment..

7 0
3 years ago
A new building is 25 meters tall. how many decimeters tall is the building?
Akimi4 [234]
25 meters is the same as 250 decimeters tall.. hope this helped

3 0
4 years ago
Read 2 more answers
WILL GIVE BRAINLIEST
NemiM [27]
15, 18, 21

i don't know the other one, sorry
6 0
3 years ago
Read 2 more answers
Solve the following system of equations for all three variables.
GrogVix [38]

Answer:

(x,y,z) -> (2,4,1)

Step-by-step explanation:

-7x + y + z = -9

-7x + 5y - 9z = -3

7x - 6y + 4z = -6

Pick two pairs:

-7x + 5y - 9z = -3

7x - 6y + 4z = -6

and

-7x + y + z = -9

-7x + 5y - 9z = -3

Eliminate the same variable from each system:

-7x + 5y - 9z = -3

7x - 6y + 4z = -6

+ 5y - 9z = -3

- 6y + 4z = -6

<u><em>-1y - 5z = - 9</em></u>

-7x + y + z = -9

-7x + 5y - 9z = -3

-7x + y + z = -9

7x - 5y + 9z = 3

<u><em>-4y - 10z = -6</em></u>

Solve the system of the two new equations:

-1y - 5z = - 9           ->      -4 ( -1y - 5z = - 9)     ->   4y + 20z = 36  

-4y - 10z = -6          ->           -4y - 10z = -6      ->   -4y - 10z = -6

10z = 30

Thus, z = 3

-4y - 10z = -6

-4y - 10(3) = -6

-4y - 30 = -6

-4y = 24

Thus, y = -6

Substitute into one of the original equations:

-7x + y + z = -9

-7x + (-6) + (3) = -9

7x + -3  = -9

7x  = -6

x =

4 0
3 years ago
Write a fraction with a denominator of 9. The fraction should be less than half​
uysha [10]

Answer:

The only fraction i can think of is 2/9

Step-by-step explanation:

6 0
3 years ago
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