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attashe74 [19]
4 years ago
10

Lisa swims laps during swim practice.

Mathematics
1 answer:
vivado [14]4 years ago
5 0
Answer for how many laps she needs to swim around is 40
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A cylinder and a cone have the same volume. The cylinder has radius x and height y. The cone has radius 1/3x. Find the height of
slavikrds [6]

Answer:

The height of the cone h = 27(x^4)y

Step-by-step explanation:

Firstly, we calculate the volume of the cylinder.

Mathematically, the volume of the cylinder is pi * r^2 * h

using the radius x and height y

The volume V of the cylinder is ;

V = pi * x^2 * y

Now we know they have the same volume V, the formula for the volume of a cone is ;

1/3 * pi * r^2 * h

Substituting the values of r to be 1/3x and the height which is not given here left as h, we have the volume of the cone to be;

V = 1/3 * pi * (1/3x)^2 * h = pi * x^2 * y

The pi gives way as it cancels out on both sides and we have the following;

h/27x^2 = x^2y

Mathematically h = x^2 * y * 27x^2

h = 27(x^4)y

p.s: I personally feel the radius of the cone was to be given as x/3 and not 1/3x . It is in that way we can have the height of the cone purely in y terms and no x

8 0
3 years ago
What is 5.5 : 6.5 as a simplified fraction?
Nat2105 [25]

Answer:

5.5 = 5.5 = 55 1/2

6.5 = 6.5 = 66 1/2

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Neil has 3 partially full cans of white paint. they contain 1/3 gallon, 1/5 gallon, and 1/2 gallon of paint. About how much pain
daser333 [38]

Answer: The answer is A

Step-by-step explanation: When you add 1/2+1/5+1/3 it equals 31/30 which when converted is equal to 1.033 which is less than 1 1/2.

6 0
3 years ago
When The Product of 15 and 40 is divided by the sum of 15 and 45 what is the quotient?
BaLLatris [955]

Answer:

10

Step-by-step explanation:

(15 x 40) / (15+40)

solve inside the parenthesis:

600/60

divide:

10

6 0
3 years ago
*MIDDLE SCHOOL*
evablogger [386]
Really fr ikr geez la we zz
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3 years ago
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