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e-lub [12.9K]
2 years ago
7

a sphere and a cone have the same volume. each figure has a radius of 3 inches. what is the height of cone

Mathematics
1 answer:
jok3333 [9.3K]2 years ago
8 0
(4/3) Pi r^3 = (1/3) Pi r^2 h
Solving for h = 4r
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For the equation, determine whether the equation is true for all, some, or no values of x.
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Answer:

nothing can be further done with this topic. please check the expression entered or submit a picture for futher understanding

Step-by-step explanation:

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A scale model of a ramp is a right triangular prism as given in this figure. in the actual ramp, the triangular base has a heigh
kakasveta [241]

The surface area of the actual ramp including the underside is 16.8 ft²

The height of the actual ramp = 1.2 feet  

The height of the model = 6 cm

<h3>What is the surface area of a right triangular prism?</h3>

A right triangular prism is a 3-dimensional triangle with two congruent triangular faces and 3 rectangular faces that connect the triangular.

The surface area of a right triangular prism

= (Perimeter of the base × Length of the prism) + (2 × Base Area)

Scale factor = 1.2 feet / 6 cm = 0.2 ft/cm

Actual base = 16 cm × 0.2 ft/cm = 3.2 ft

convert the units

9 cm = 9 cm × 0.2 ft/cm = 1.8 ft

10 cm = 10 cm × 0.2 ft/cm = 2 ft

The surface area of a right triangular prism

= (Perimeter of the base × Length of the prism) + (2 × Base Area)

Surface area of actual ramp = 2(0.5 × 3.2 ft × 1.2 ft) + 2(2 ft × 1.8 ft) + (1.8 ft × 3.2 ft)

= 16.8 ft²

Hence, the surface area of the actual ramp including the underside is 16.8 ft²

Learn more about the area here:

brainly.com/question/25292087

3 0
2 years ago
Write the fraction as a percent. Round to the nearest tenth of a percent of necessary. 1/7
balu736 [363]

It's 14.285714%

So, simplified it would be 14.3% because you round the 2 up since theres an 8 behind it.

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3 years ago
How do you solve the equation 2/7m-1/7=3/14
photoshop1234 [79]
Add 1/7 to both sides to get 2/7m=3/14+1/7 find common denominater (14) so multipy 1/7 by 2 to get 2/14 than add that to 3/14 to get 5/14 than take 2/7 and 5/14 turn into a decimals than divide the 2/7 on both sides to get m=?
8 0
3 years ago
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