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barxatty [35]
2 years ago
12

These cones are similar. Find the volume of the smaller cone. Round to the nearest tenth. 2 cm 5 cm Volume=[?]cm^ 3 Volume me =

131 cm ^ 3

Mathematics
1 answer:
Neko [114]2 years ago
6 0

Answer:

8.4 cm^3 to the nearest tenth.

Step-by-step explanation:

The ratio of the volumes of the 2 cones is the ratio of the cubes of their radii.

So:

5^3 / 2^3 = 131 / v

v = 2^3 * 131 / 5^3

= 8 * 131 / 125

= 8.384.

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maw [93]
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8 0
3 years ago
Solve the equation for 0° ≤ x ≤ 90°. Round to the nearest degree. tan^2 B = 4
Anettt [7]

<u>ANSWER</u>

B=63\degree


<u>EXPLANATION</u>

We want to solve the trigonometric equation;


tan^2(B)=4, where 0\degree \le B \le 90\degree.


Taking square root of both sides gives,


tan(B)=\pm \sqrt{4}


tan(B)=\pm 2


Since B is in the first quadrant, we proceed with;


tan(B)=2, because the tangent ratio is positive in the first quadrant.


\Rightarrow B =arctan(2)


\Rightarrow B =63.43\degree.


Correct to the nearest degree,


B =63\degree




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3 years ago
11/20 as a simplified fraction
strojnjashka [21]
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3 years ago
Simplify 4(5x - 6) - 4(2x + 1)<br><br> 12x - 5<br> 12x - 20<br> 12x - 28
Harman [31]
First use distributive property:
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7 0
2 years ago
Read 2 more answers
Which triangles are similar to the change in ABC? C. Both D. Neither​
vivado [14]

Answer:

My answer would be B.

Step-by-step explanation:

Triangle angles have to add up to a total of 180 degrees. B. has a very close measures in angles. I am sorry if this is not the answer. But let me know.

6 0
2 years ago
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