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3 years ago

what is the probability of rolling a 3 on two consecutive roll of a fair dice round your answer to the nearest hundred

Mathematics

1 answer:

Wittaler [7]3 years ago

5 0

Answer:

do you want probability in fraction, percent, or decimal form?

Step-by-step explanation:

their is one 3 on a regular dice which has 6 numbers

this gives you the fraction 1/6

but since you are rolling the dice twice you would have 1/6 × 1/6 giving you 1/36

if in percent form this would be 2.77777778% or rounded to 3%

and decimal form as 0.0277777778 or rounded to 0.03%

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Paul can install a 300 hundred square foot hardwood floor in 18 hours. Matt can install the same floor in 22 hours. How long wou

Vadim26 [7]

ANSWER

Paul and Matt will take
$9.9 \: \: hours$
to install the floor working together.

EXPLANATION

First, calculate Paul's rate, which is

$= \frac{1}{18}$

Next, calculate Matt's rate, which is,
$= \frac{1}{22}$

Let us assume that, Paul and Matt took
$x \: hours$
to do the work together.

Then, the rate of working together is,

$= \frac{1}{x}$

Now, add the individual rates and equate to the rate of working together to form an equation that will help us solve for x.

$\frac{1}{18} + \frac{1}{22} = \frac{1}{x}$

Simplify the left hand side

$\frac{11 + 9}{198} = \frac{1}{x}$

$\frac{20}{198} = \frac{1}{x}$

We reciprocate both sides to get (You could have also done cross multiplication).

$\frac{198}{20} = \frac{x}{1}$

$x = 9.9 \: hours$

7 0

3 years ago

What is the value of (f -9)(5)?

Darina [25.2K]

Answer:

5f - 45

Step-by-step explanation:

(f-9)(5)

5f-9*5

5f-45

8 0

4 years ago

Read 2 more answers

Select all that apply.

Anarel [89]

So the answer your looking for is X=2

5 0

3 years ago

The sum of the measures of two adjacent angles is 72 degrees. The ratio of the smaller angle to the

Goryan [66]

Answer:

The larger angle is 54°

Step-by-step explanation:

Given

Let the angles be: θ and α where

θ > α

Sum = 72

α : θ = 1 : 3

Required

Determine the larger angle

First, we get the proportion of the larger angle (from the ratio)

The sum of the ratio is 1 + 3 = 4

So, the proportion of the larger angle is ¾.

Its value is then calculated as:.

θ = Proportion * Sum

θ = ¾ * 72°

θ = 3 * 18°

θ = 54°

4 0

3 years ago

PLEASE HELP! I'M STRUGGLING! WILL GIVE BRAINLIEST

lianna [129]

Answer:

1/6

Step-by-step explanation:

Since there is only 1 letter R in 6 options it is 1/6 (im not entirely sure)

7 0

3 years ago

Read 2 more answers

what is the probability of rolling a 3 on two consecutive roll of a fair dice round your answer to the nearest hundred​

what is the probability of rolling a 3 on two consecutive roll of a fair dice round your answer to the nearest hundred