2 years ago

When you roll a standard number cube once, what is the probability of rolling a number divisible by 3?

Mathematics

1 answer:

sashaice [31]2 years ago

3 0

Answer:

$\frac{1}{3}$

Step-by-step explanation:

On a standard cube there are the numbers 1, 2, 3, 4, 5, 6

Only 2 are divisible by 3, that is 3 and 6, hence

P(divisible by 3 ) = $\frac{2}{6}$ = $\frac{1}{3}$

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Step-by-step explanation:

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3 years ago

A walkway is being constructed using square cement tiles that each have an area of 19.0 ft2. 6 tiles will be lined up end to end

allochka39001 [22]

Answer:

26.3 feet

Step-by-step explanation:

We have to first find the length of the side of each tile.

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The area of a square is:

A = $L^2$

where L = length of side

Therefore:

$19.2 = L^2\\\\L = \sqrt{19.2} = 4.38 feet$

6 tiles will be lined end to end to construct the walkway, hence, the length of the walkway is:

6 * 4.38 ≅ 26.3 feet

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3 years ago