3 years ago

Find the volume of each solid figure. (the yellow and blue figures)

Mathematics

1 answer:

gulaghasi [49]3 years ago

7 0

The first is 53 , and second is.... 105 I think

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2+2, 18 points on the line. Most detailed answer wins. <br> **Do not go on the internet**

Andrei [34K]

2+2=4 Umm why are you asking this?

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4 years ago

Rob is two times as old as Jake. Three years ago the sum of their ages was 21 years. Find their present ages?

spin [16.1K]

Rob is 18
Jake is 9

21-15=6
6+3=9
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(No clue how I got 15 )

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4 years ago

Read 2 more answers

Arrange the cones in order from least volume to greatest volume. a cone with a diameter of 20 units and a height of 12 units a c

Gekata [30.6K]

Answer:

Step-by-step explanation:

The volume of a cone can be found with the following equation:

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

where $r$ is the radius of the base and $h$ is the height of the cone.

For the cone with diameter of 20 units and height of 12 units, the volume is the following:

$V = \frac{\pi(10)^{2}(12)}{3}$

$V = \frac{1200\pi}{3}$

$V = 400\pi$

For the cone with diameter of 18 units and height of 10 units, the volume is the following:

$V = \frac{\pi(9)^{2}(10)}{3}$

$V = \frac{810\pi}{3}$

$V = 270\pi$

For the cone with diameter of 20 units and height of 12 units, the volume is the following:

$V = \frac{\pi(10)^{2}(9)}{3}$

$V = \frac{900\pi}{3}$

$V = 300\pi$

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3 years ago

Write the equation for a parabola with a focus at (0,-5) and a directrix at y=-3

Olenka [21]

-4y -16 = x^2
All done

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4 years ago

How do you work out: Ben and Sue shared £60 in the ratio 2:3. work out how much each person gets

Sedbober [7]

(2/3)=0.66667=x/y
x+y=60
x=60-y
(60/y)-1=2/3
60/y=5/3
y=36
x+36=60
x=24

24:36

4 0

3 years ago