2 years ago

Please help I'll mark brainliest

Mathematics

2 answers:

posledela2 years ago

8 0

Answer:

The final answer is 16.

Gd luck with your work! :)

Fed [463]2 years ago

8 0

Answer:

Step-by-step explanation:

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Cone A has a radius of 2 inches and a height of 3 inches. In cone B, the height is the same, but the radius is doubled. Calculat

wlad13 [49]

Answer: Option C.

Step-by-step explanation:

Use the formula for calculate the volume of a cone:

$V=\frac{1}{3}\pi r^2h$

Where r is the radius and h is the height.

Volume of the cone A:

$V_A=\frac{1}{3}\pi (2in)^2(3in)=12.56in^3$

Volume of the cone B:

If the height of the cone B and the height of the cone A are the same , but the radius of the cone B is doubled, then its radius is:

$r_B=2r_A\\r_B=2*2in\\r_B=4in$

Then:

$V_B=\frac{1}{3}\pi (4in)^2(3in)=50.26in^3$

Divide $V_B$ by $V_A$ :

$\frac{V_B}{V_A}=\frac{50.26in^3}{12.56in^3}=4$

Therefore: When the radius is doubled, the resulting volume is 4 times that of the original cone.

5 0

3 years ago

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Find the radius of a circle that has a circumference of 1671.

son4ous [18]

Answer:

r=8

Step-by-step explanation:

Given formula:

r = C / 2π

It is given that C = 16π

hence

r = 16π / 2π = 8

8 0

3 years ago

To make the perfect orange color hector mixes 2/3 quarts of red paint with 1 4th Court of yellow paint. How much red paint is us

jonny [76]

6/12 or the same thing but reduced 1/2

WELCOME!

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3 years ago

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Simplify 3a^2b^3c^5 __________________ 8x^4y^3z

Jobisdone [24]

We have to rewrite the expression so that it has no denominator.
For example:
1 / x = x^(-1)
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3 years ago

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What is the answer to 18.7 and 18.6 rounding to the nearest tenth

aivan3 [116]

187=190 186=190 because 18.7 and 18.6 are 187 and 186 so 8 is the tenth place. So they both equal 190

8 0

3 years ago

Please help I'll mark brainliest ​

Please help I'll mark brainliest