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sammy [17]
3 years ago
6

Two cylinders, A and B, are created.

Mathematics
1 answer:
aivan3 [116]3 years ago
3 0
Hello! My work for this problem is attached below. The answer is Vb = 4Va

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John has a circular pool that has a radius of 7 feet. What is the area of his pool? Please use the formula sheet to assist you w
andrew-mc [135]

Answer:

153.86 square feet

Step-by-step explanation:

The formula for the area of a circle is A=πr2

area = pi x radius squared

the radius is 7 feet, square that to get 49

multiply 49 by pi to get the area: 153.86 square feet

5 0
3 years ago
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Determine the median of 4 6 8 10 15 20 21
lilavasa [31]

Answer:

i think its 10

Step-by-step explanation:

4 6 8 10 15 20 21

6 0
3 years ago
George is trying to make some decisions about his business and has come up with P = (x - 100)(x + 20), where P represents his pr
elixir [45]
In this case if x<100 George will be losing money.  So he will only earn a profit when he sells more than 100 DVDs.  Essentially (x-100) represents his break-even point.
5 0
3 years ago
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2 1/2 +2/3 <br> Thank you!
MArishka [77]

Answer:

3 1/6

Step-by-step explanation:

2 1/2 + 2/3 = 2 3/6 + 4/6. add 3 and 4, you get 2 7/6. simplify by taking 6 from 7 and add 1 to 2. that leaves you with the answer

6 0
3 years ago
Consider equation of circle x2-2x+y2-4y-4=0,if line 2x-y+a=0 is its diameter then find value of a
g100num [7]

Answer:

Step-by-step explanation:

x² - 2x + y² - 4y - 4 = 0

x² - 2x + y² - 4y = 4

complete the squares

(x² - 2x + x₀) + (y² - 4y + y₀) = 4

the unknown number will be the square of half of the x¹ coefficient

(x² - 2x + 1) + (y² - 4y + 4) = 4 + 1 + 4

(x - 1)² + (y - 2)² = 9

This tells us that the circle is centered on (1, 2)

Which is also a point on the diameter

2x - y + a = 0

a = y - 2x

a = 2 - 2(1)

a = 0

4 0
3 years ago
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