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SVEN [57.7K]
3 years ago
13

Volume of right cylinder r 30mm height 30mm

Mathematics
1 answer:
VMariaS [17]3 years ago
5 0
The Volume is V= 84823. say thanks haha
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From the sum of 4x² - 2x +6 and 2x² + 4x-1, subtract 5x2 + 2x -4.
ikadub [295]

Answer:

  • x² + 9

Step-by-step explanation:

<u>Add:</u>

  • 4x² - 2x + 6 + 2x² + 4x - 1 = 6x² + 2x + 5

<u>Subtract:</u>

  • 6x² + 2x + 5 - 5x² - 2x + 4 = x² + 9
3 0
3 years ago
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A recipe says to use 4 cups of flour to make 60 cookies. What is the constant of proportionality that relates the number of cook
Sveta_85 [38]

Answer: divide the 60 and the 4 and that's your answer

Step-by-step explanation:

5 0
3 years ago
Need help ASAP !!!!!
Flura [38]

Answer:

10

Step-by-step explanation:

12x + 20+40 = 180

12x = 120

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6 0
3 years ago
A, B, and C are collinear, and B is between A and C. The ratio of AB to AC is 1:2 If A is at (6,3) and B is at (-1,2), what are
Maksim231197 [3]

Answer:

The coordinates of C is (-8,1)

Step-by-step explanation:

Looking at the attached image, you'd see that, AB is 1 and BC is 1, that's because we are told that ratio of AB to AC is 1:2 meaning, AC is 2 and AB is 1. Therefore for that ratio to be satisfied BC has to be 1 so that AC would be 2.

Now let's assume the coordinates of C is (x,y).

To get it's coordinates, we use the section formula:

(x,y)= (\frac{mx + nx_{1}}{m + n} , \frac{my + ny_{1}}{m + n})

Where (m,n) is the (AB, BC)

Therefore we have

(-1,2) = (\frac{1\times x + 1\times6}{1 + 1} , \frac{1\times y + 1\times3}{1 + 1})

This gives:

(-1,2) = (\frac{x + 6}{2} , \frac{y + 3}{2})

-1 =( \frac{x + 6}{2} and 2 = \frac{y + 3}{2})

From there x = -8 and y = 1

Therefore the coordinates of C is (-8, 1).

7 0
3 years ago
What is the soulution of -(-5-6x) = 4(5x+3)?
Fynjy0 [20]
You have to distribute the parentheses first. Since there is a negative sign in front of the parentheses, it counts as a negative 1. After you distribute you should get: -5+6x=20x+12, but that is not your final answer. After you add like terms: 17x=-17. Divide 17 on both sides: x=-1. X=-1 is your final answer.
4 0
3 years ago
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