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hjlf
3 years ago
7

Find BC. Round to the nearest tenth. А 84° 16 B 51°

Mathematics
1 answer:
DENIUS [597]3 years ago
4 0
If you want to round to the nearest tenth the answer would be 80• and 51•
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Solve for y.
Inessa05 [86]

Answer:

The answer is the 2nd bullet point (B)

6 0
2 years ago
Can anyone help me with these
kotykmax [81]
B i think on #2
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7 0
3 years ago
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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 ;

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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's 9+7 <br> Please help
DerKrebs [107]

Answer:

9 + 7 = 16

9 - 7 = 2

9/7 = 1.28571429

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Step-by-step explanation:

have a good day

4 0
3 years ago
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Which of the following lines has a negative slope?
Ann [662]

Answer: 3rd graph

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Notice that the 3rd graph is the only graph with a downward

or negative slope which means that this is our answer.

3 0
3 years ago
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