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Naya [18.7K]
3 years ago
6

Find the surface area of a cone with a slant height of 13 and a radius of 13. Use 3.14 for pi. Round your answer to the nearest

tenth.
A. 1061.3
B. 1075.4
C. 1062.9
D. 1060
Mathematics
1 answer:
horsena [70]3 years ago
3 0
A 1061.3 I Hope This Helps
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Answer:

d

Step-by-step explanation:

d

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A right circular cylinder has a height of 22 1/4 ft and a diameter 2 2/5 times its height. What is the volume of the cylinder? E
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Answer:

The volume of cylinder is:

49806.06 ft^3

Step-by-step explanation:

We are given a right circular cylinder with:

Height(h)=22\frac{1}{4}ft=\dfrac{89}{4}ft

and a diameter is 2\frac{2}{5} times it's height.

i.e. \dfrac{12}{5} times it height.

i.e. the diameter is given as:

\dfrac{12}{5}\times \dfrac{89}{4}=\dfrac{267}{5}ft.

We know that the radius of cylinder is half the diameter.

Hence, radius(r) of cylinder is:

\dfrac{1}{2}\times \dfrac{267}{5}\\\\=\dfrac{267}{10}

The volume(V) of cylinder is given by:

V=\pi r^2h

V=3.14\times (\dfrac{267}{10})^2\times \dfrac{89}{4}\\\\V=\dfrac{19922423.94}{400}\\\\V=49806.06ft^3

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4 years ago
Classify the following triangle. Check all that apply.
xeze [42]

Answer:

Option A and B

Step-by-step explanation:

sides of the triangle have been given as 15, 15.8, 30 units.

angles of the same triangle has been given as 70°, 80°, [180-(70+80)] or 30°.

Here we see all sides and all the angles of the given triangle have different measures ( all the three sides and angles are different )

By the definition of scalene triangle the given triangle will be scalene.

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Explanation:
To find the x intercept, put 0 instead of y,
hence,
0=-0.25x+0.55
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To find y intercept put 0 instead of x,
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y=-0.25*0+0.55
y=0+0.55
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3 years ago
When calculating simple probability,
algol13

Answer:

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