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3 years ago

There are 12 circles and 3 triangles. What is the simplest ratio of triangles to circles

Mathematics

2 answers:

IRINA_888 [86]3 years ago

8 0

Answer:

1/4

Step-by-step explanation:

3/12 = 1/4

Anit [1.1K]3 years ago

5 0

Answer:

4:1

Step-by-step explanation:

Every 4 circles there is 1 triangle.

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What is the volume of a hemisphere with a radius of 2.3m round to the nearest tenth of a cubic meter

kodGreya [7K]

Answer: $25.5 m^{3}$

Step-by-step explanation:

If the volume of a sphere is

$V=\frac{4}{3} \pi r^{3}$

Where $r=2.3 m$ is the radius

The volume of a hemisphere is half the volume of the total sphere:

$V_{hemisphere}=\frac{V}{2}=\frac{\frac{4}{3} \pi r^{3}}{2}$

$V_{hemisphere}=\frac{2}{3} \pi r^{3}$

Solving this equation:

$V_{hemisphere}=\frac{2}{3} \pi (2.3 m)^{3}$

Finally:

$V_{hemisphere}=25.48m^{3} \approx 25.5 m^{3}$

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3 years ago

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Vikki [24]

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3 years ago

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vaieri [72.5K]

Answer:

y = 3/2x + 5/2

Step-by-step explanation:

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3 years ago

you buy two pairs of shoes in a sale. you pay the full price of $48 for the first pair , and you get the second pair for half th

saveliy_v [14]

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3 years ago

Solve for j : j/-2+7=-12 j=?

schepotkina [342]

Answer:

$\huge\boxed{j=38}$

Step-by-step explanation:

$\dfrac{j}{-2}+7=-12\qquad\text{subtract 7 from both sides}\\\\\dfrac{j}{-2}+7-7=-12-7\\\\\dfrac{j}{-2}=-19\qquad\text{multiply both sides by (-2)}\\\\(-2)\!\!\!\!\!\!\!\diagup\cdot\dfrac{j}{-2\!\!\!\!\!\diagup}=(-2)(-19)\\\\j=38$

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3 years ago

Read 2 more answers